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Cheap flights from Boston to San Francisco from $149

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — SFO
23 Jul — 30 Jul1
1 adult
Tue 23/7
Tue 30/7

Cheap flight deals from Boston to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 July 2024.

Round-trip from

$309

One-way from

$149

Popular in

June

Cheapest in

February
Delta
  • Delta
  • 28/8-11/9
  • Nonstop
  • 12h 26m total
  • Boston to San Francisco
Delta
  • Delta
  • 28/8
  • Nonstop
  • 6h 42m total
  • Boston to San Francisco
High demand for flights, 18% potential price rise
Best time to find cheap flights, 16% potential price drop

Cheap Delta flights from Boston to San Francisco

Explore cheap flight options specifically provided by Delta for the route between Boston and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
Take a look at some of the lowest-priced Delta flights heading from Boston to San Francisco. It's recommended that users confirm their flight details before booking.
Wed 28/807:55BOS - SFO
Nonstop6h 42mDelta
Wed 11/907:15SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$309
Wed 4/907:55BOS - SFO
Nonstop6h 42mDelta
Wed 18/907:15SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$323
Sat 24/807:55BOS - SFO
Nonstop6h 42mDelta
Sat 7/907:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$324
Sat 24/807:55BOS - SFO
Nonstop6h 42mDelta
Fri 6/919:59SFO - BOS
1 stop16h 17mDelta
Deal found 18/7$354
Fri 1/1107:05BOS - SFO
Nonstop6h 58mDelta
Mon 11/1122:20SFO - BOS
Nonstop5h 41mDelta
Deal found 17/7$367
Fri 23/807:55BOS - SFO
Nonstop6h 42mDelta
Fri 6/919:59SFO - BOS
1 stop16h 17mDelta
Deal found 18/7$382
Thu 26/920:20BOS - SFO
Nonstop6h 37mDelta
Mon 30/921:53SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$389
Fri 27/920:20BOS - SFO
Nonstop6h 37mDelta
Tue 1/1012:35SFO - BOS
1 stop14h 20mDelta
Deal found 18/7$416
Mon 26/806:35BOS - SFO
1 stop17h 43mDelta
Wed 4/907:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$421

Cheap United Airlines flights from Boston to San Francisco

Explore cheap flight options specifically provided by United Airlines for the route between Boston and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
Have a look at some of the cheapest available United Airlines flights departing from Boston and landing in San Francisco. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 29/807:30BOS - SFO
1 stop8h 34mUnited Airlines
Tue 3/900:35SFO - BOS
1 stop8h 58mUnited Airlines
Deal found 18/7$529
Tue 20/806:00BOS - SFO
Nonstop6h 32mUnited Airlines
Sun 25/822:40SFO - BOS
1 stop7h 46mUnited Airlines
Deal found 18/7$562
Thu 25/706:00BOS - SFO
Nonstop6h 27mUnited Airlines
Tue 30/700:45SFO - BOS
1 stop8h 53mUnited Airlines
Deal found 18/7$754
Fri 26/708:00BOS - SFO
2 stops32h 25mUnited Airlines
Sun 4/805:15SFO - BOS
1 stop8h 20mUnited Airlines
Deal found 18/7$757
Thu 25/706:30BOS - SFO
1 stop9h 22mUnited Airlines
Tue 30/713:15SFO - BOS
2 stops13h 45mUnited Airlines
Deal found 18/7$774
Sun 28/706:00BOS - SFO
Nonstop6h 27mUnited Airlines
Fri 2/800:45SFO - BOS
1 stop10h 40mUnited Airlines
Deal found 18/7$779
Fri 26/719:05BOS - SFO
1 stop8h 46mUnited Airlines
Thu 1/800:45SFO - BOS
1 stop10h 40mUnited Airlines
Deal found 18/7$807

Cheap Boston to San Francisco flights in July & August 2024

Find cheap flight options from Boston to San Francisco specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 625,810 searches. Prices were last updated on 18 July 2024.
Listed are some of the best fares we've found on flights departing from Boston to San Francisco in 2024. Check back soon for alternative fares.
Wed 28/818:30BOS - SFO
Nonstop6h 35mAlaska Airlines
Tue 10/907:40SFO - BOS
Nonstop5h 46mAlaska Airlines
Deal found 18/7$309
Thu 29/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 11/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$315
Mon 26/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$317
Sat 24/807:55BOS - SFO
Nonstop6h 42mDelta
Wed 4/907:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$324
Thu 22/806:20BOS - SFO
1 stop9h 40mJetBlue
Wed 4/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$329
Sat 31/818:40BOS - SFO
Nonstop6h 42mJetBlue
Thu 12/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$330
Mon 26/821:25BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/913:10SFO - BOS
Nonstop5h 44mJetBlue
Deal found 18/7$337
Mon 26/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$339
Mon 26/805:14BOS - SFO
1 stop8h 30mJetBlue
Sun 8/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$343

Boston to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Boston and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
Listed are some of the best fares we've found on flights departing from Boston to San Francisco in 2024. Check back soon for alternative fares.
Wed 28/807:55BOS - SFO
Nonstop6h 42mDelta
Wed 11/907:15SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$309
Wed 6/1108:10BOS - SFO
Nonstop6h 53mJetBlue
Wed 6/1114:40SFO - BOS
Nonstop5h 26mJetBlue
Deal found 17/7$314
Thu 29/806:10BOS - SFO
Nonstop6h 30mJetBlue
Tue 10/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$315
Mon 26/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$317
Wed 4/907:55BOS - SFO
Nonstop6h 42mDelta
Tue 17/907:15SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$323
Sat 24/807:55BOS - SFO
Nonstop6h 42mDelta
Sat 7/907:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$324
Sun 1/905:14BOS - SFO
1 stop8h 30mJetBlue
Wed 11/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$329
Sun 1/907:00BOS - SFO
Nonstop6h 34mJetBlue
Sat 14/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$330
Wed 4/916:36BOS - SFO
1 stop8h 57mAlaska Airlines
Tue 10/907:40SFO - BOS
Nonstop5h 46mAlaska Airlines
Deal found 18/7$336

Direct flights to San Francisco from Boston

Discover direct flight options from Boston to San Francisco. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
To help reduce your travel time, choose from one of these non-stop flights from Boston to San Francisco. Users seeking other options on flights from Boston to San Francisco should update the search form at the top of the page.
Wed 28/807:55BOS - SFO
Nonstop6h 42mDelta
Wed 11/907:15SFO - BOS
Nonstop5h 44mDelta
Deal found 18/7$309
Wed 6/1108:10BOS - SFO
Nonstop6h 53mJetBlue
Wed 6/1114:40SFO - BOS
Nonstop5h 26mJetBlue
Deal found 17/7$314
Thu 29/806:10BOS - SFO
Nonstop6h 30mJetBlue
Tue 10/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$315
Mon 26/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$317
Wed 4/921:15BOS - SFO
Nonstop6h 39mJetBlue
Wed 18/915:26SFO - BOS
Nonstop5h 33mJetBlue
Deal found 18/7$323
Sat 24/807:55BOS - SFO
Nonstop6h 42mDelta
Sat 7/907:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$324
Sun 1/907:00BOS - SFO
Nonstop6h 34mJetBlue
Sun 15/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$330
Wed 25/920:10BOS - SFO
Nonstop6h 37mJetBlue
Sun 29/906:00SFO - BOS
Nonstop5h 37mJetBlue
Deal found 18/7$337
Mon 26/806:10BOS - SFO
Nonstop6h 30mJetBlue
Wed 4/921:25SFO - BOS
Nonstop5h 36mJetBlue
Deal found 18/7$339

Boston to San Francisco flights leaving soon

Find last-minute flight options from Boston to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
Check out these flights departing soon from Boston to San Francisco. Tip: verify your flight details before completing your reservation.
Thu 25/718:30BOS - SFO
Nonstop6h 47mAlaska Airlines
Wed 31/710:12SFO - BOS
Nonstop5h 47mAlaska Airlines
Deal found 18/7$479
Sat 27/707:55BOS - SFO
Nonstop6h 42mDelta
Sat 3/812:50SFO - BOS
Nonstop5h 55mDelta
Deal found 18/7$516
Sat 27/708:40BOS - SFO
Nonstop6h 30mAlaska Airlines
Mon 5/820:59SFO - BOS
Nonstop5h 36mAlaska Airlines
Deal found 18/7$531
Fri 26/707:55BOS - SFO
Nonstop6h 42mDelta
Thu 8/821:49SFO - BOS
Nonstop5h 46mDelta
Deal found 18/7$541
Thu 25/715:50BOS - SFO
1 stop10h 47mJetBlue
Thu 1/813:25SFO - BOS
Nonstop5h 42mJetBlue
Deal found 18/7$543
Sat 27/708:40BOS - SFO
Nonstop6h 30mAlaska Airlines
Wed 7/815:40SFO - BOS
1 stop11h 00mAlaska Airlines
Deal found 18/7$544
Sat 27/707:55BOS - SFO
Nonstop6h 42mDelta
Wed 7/807:15SFO - BOS
Nonstop6h 00mDelta
Deal found 18/7$546
Fri 26/716:03BOS - SFO
1 stop9h 34mAlaska Airlines
Mon 12/820:59SFO - BOS
Nonstop5h 36mAlaska Airlines
Deal found 18/7$554
Fri 26/716:03BOS - SFO
1 stop9h 34mAlaska Airlines
Wed 7/817:55SFO - BOS
1 stop8h 45mAlaska Airlines
Deal found 18/7$569

One-way flights to San Francisco from Boston

Search for one-way flight options from Boston to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.
Users travelling one-way from Boston to San Francisco can select one of these great deals. For those needing a return trip from Boston, there is a search form available above.
Wed 28/807:55BOS - SFO
Nonstop6h 42mDelta
Deal found 18/7$149
Thu 22/818:30BOS - SFO
Nonstop6h 35mAlaska Airlines
Deal found 18/7$155
Tue 20/821:25BOS - SFO
Nonstop6h 30mJetBlue
Deal found 18/7$156
Wed 16/1020:10BOS - SFO
Nonstop6h 37mJetBlue
Deal found 18/7$162
Tue 20/805:14BOS - SFO
1 stop8h 30mJetBlue
Deal found 18/7$168
Tue 17/916:36BOS - SFO
1 stop8h 57mAlaska Airlines
Deal found 18/7$175
Sat 7/918:30BOS - SFO
Nonstop6h 35mAlaska Airlines
Deal found 18/7$177
Tue 3/918:30BOS - SFO
Nonstop6h 35mAlaska Airlines
Deal found 18/7$184
Fri 30/811:30BOS - SFO
1 stop10h 55mJetBlue
Deal found 18/7$190

Find flights from Boston to San Francisco within your budget

Customise your flight search to find flights from Boston to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 625,810 searches. Data last updated 18 July 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$309 - $529

Route

Depart

Return

Price

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 28/8

Nonstop6h 42m

San Francisco

Wed 11/9

Nonstop5h 44m

$309

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 6/11

Nonstop6h 53m

San Francisco

Wed 6/11

Nonstop5h 26m

$314

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 29/8

Nonstop6h 30m

San Francisco

Tue 10/9

Nonstop5h 33m

$315

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 26/8

Nonstop6h 30m

San Francisco

Wed 4/9

Nonstop5h 36m

$317

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 4/9

Nonstop6h 42m

San Francisco

Wed 18/9

Nonstop5h 44m

$323

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Wed 4/9

1 stop8h 57m

San Francisco

Tue 10/9

Nonstop5h 46m

$336

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Tue 3/9

Nonstop6h 35m

San Francisco

Wed 11/9

Nonstop5h 46m

$345

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Mon 7/10

2 stops11h 25m

San Francisco

Wed 9/10

1 stop8h 55m

$373

Boston Logan IntlSan Francisco

BOS - SFO

BOSSFO

Boston Logan Intl

Thu 29/8

1 stop8h 34m

San Francisco

Tue 3/9

1 stop8h 58m

$529

Flights are sorted by cheapest first

Deals found on 18/7

Best time to book a flight from Boston to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Boston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Boston to San Francisco

Get recent, data-driven insights about flights from Boston to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Boston to San Francisco?

Use this chart to determine the optimal time to book a return flight from Boston to San Francisco. Price data was last updated on 12 July 2024.

The price you pay for your flight from Boston to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Boston to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of $109). Flying from Boston to San Francisco in June is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to SFO?

Find hourly flight availability from Boston to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Boston to San Francisco as you normally would.

Weekly flight availability from Boston to San Francisco

Explore weekly flight availability from Boston to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 July 2024.

The most flights from BOS to SFO are scheduled on a Monday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 18 July 2024.
To help decide which airline to fly from Boston to San Francisco, see what other customers have to say about Delta, United Airlines and JetBlue. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very Good
5,669 reviews
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.1
Very Good
9,383 reviews
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

8.0
Very Good
9,735 reviews
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.6
Good
4,045 reviews
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

7.4
Good
10,000 reviews
Southwest
8.2
Very Good
5,669 reviews

Entertainment

7.8

Boarding

8.3

Crew

8.7

Comfort

8.1

Food

7.3

Overall

8.2

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Boston to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Boston to San Francisco for under $400 on Cheapflights?

    Yes, there are multiple flights from Boston to San Francisco for under $400. The cheapest flight booked recently is on Delta for just $309, but on average you can expect to pay $336.

  • Are there direct flights from Boston to San Francisco for under $400 on Cheapflights?

    Cheapflights has 20 direct flights from Boston to San Francisco under $400. A good price for a direct flight from Boston to San Francisco is less than $345.

  • Are there last-minute flights available from Boston to San Francisco for under $500?

    There are currently 20+ open flights from Boston to San Francisco within the next 7 days for less than $500.

  • What days are direct flights available from Boston to San Francisco?

    Days when direct flights are available for this flight are: Sunday, Monday, Thursday, Friday, Saturday.

  • How popular is this Boston to San Francisco flight route?

  • How many flights depart from Boston to San Francisco on average per day?

    Travellers can expect 16 flights from Boston to San Francisco on average per day.
    Morning (6am - Noon) - 75% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Boston to San Francisco?

    Departing from Boston to San Francisco will take you 6h 42m. The distance between Boston and San Francisco is about 4365 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Boston to San Francisco round-trip?

    Cheapflights users have booked flights from Boston to San Francisco round-trip from $309. Other airlines that can offer you cheap pricing are JetBlue, from $314, and Alaska Airlines, from $336. These flights start at 43% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Boston to San Francisco one-way?

    $149 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and JetBlue, with prices starting from $155 and $156, respectively.

  • What are the most reliable airlines from Boston to San Francisco?

    The top 3 most reliable airlines when flying from Boston to San Francisco are Air China (90%), ANA (87%) and WestJet (83%).

  • What are the cheapest flights from Boston to San Francisco?

    While on average a flight from Boston to San Francisco is generally $237, our data shows the cheapest flight currently is $123. When looking at the most popular route, (Boston Logan Intl - San Francisco), you can expect to pay $444 for that flight.

  • What does BOS to SFO mean?

    This is defined as Boston Logan Intl Airport (BOS) and San Francisco Airport (SFO). Codes like San Francisco Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Boston to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Boston to San Francisco that include hotel bookings?

    Yes. In addition to deals on Boston to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to San Francisco.

  • Can I find deals for business class flights from Boston to San Francisco?

    Yes. Cheapflights offers flight deals from Boston to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Boston to San Francisco that allow pets onboard?

    Many airlines flying from Boston to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to San Francisco?

    Yes, you can often find last-minute deals on Boston to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to San Francisco flight deals updated?

    The Boston to San Francisco flight deals you see on this page were last updated on 18/7.

  • What is the cheapest month to book a flight from Boston to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Boston to San Francisco (average of $109). Flying from Boston to San Francisco in June is currently the most expensive (average of $247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.