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Cheap flights from Seattle to San Francisco from $112

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to San Francisco are usually found in January or February, booked 78 days in advance, depart on a Saturday or Tuesday and return on a Thursday

Cheap flight deals from Seattle to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) 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 7 November 2025.

Round-trip from

$182

One-way from

$112

Popular in

December

Cheapest in

January

Average price

$380

Good round-trip deal

$2,092 or less

Good one-way deal

$889 or less
Delta
  • Delta
  • 4/12-7/12
  • Nonstop
  • 4h 37m total
  • Seattle to San Francisco
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United Airlines
  • United Airlines
  • 2/12
  • Nonstop
  • 2h 16m total
  • Seattle to San Francisco
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Highest demand for flights based on searches. 1% potential increase in price ($10 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to San Francisco.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to San Francisco.
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Find flight deals from Seattle to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to San Francisco
Explore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2025.

Thu 4/1216:40SEA - SFO
Nonstop2h 16mDelta
Sun 7/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 6/11$182
Wed 3/1210:25SEA - SFO
1 stop7h 15mDelta
Fri 5/1219:08SFO - SEA
1 stop5h 13mDelta
Deal found 5/11$211
Thu 18/1216:00SEA - SFO
1 stop5h 36mAlaska Airlines
Mon 5/114:50SFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 5/11$226
Sun 14/1205:35SEA - SFO
1 stop8h 30mSouthwest
Tue 16/1205:20SFO - SEA
1 stop6h 35mSouthwest
Deal found 5/11$232
Wed 3/1208:10SEA - SFO
2 stops6h 15mSouthwest
Fri 5/1205:00SFO - SEA
1 stop7h 05mSouthwest
Deal found 5/11$240
Wed 31/1215:30SEA - SFO
Nonstop2h 12mDelta
Thu 1/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 5/11$242
Wed 3/1208:10SEA - SFO
2 stops6h 15mSouthwest
Wed 10/1215:15SFO - SEA
2 stops7h 40mSouthwest
Deal found 5/11$248
Thu 4/1213:10SEA - SFO
1 stop8h 40mSouthwest
Sun 7/1209:25SFO - SEA
2 stops12h 05mSouthwest
Deal found 5/11$249
Tue 2/1217:50SEA - SFO
1 stop3h 27mAlaska Airlines
Thu 4/1207:00SFO - SEA
1 stop5h 52mAlaska Airlines
Deal found 6/11$255
Fri 28/1120:24SEA - SFO
Nonstop2h 17mAlaska Airlines
Tue 2/1210:06SFO - SEA
1 stop5h 17mAlaska Airlines
Deal found 5/11$257

Cheapflights Fare Finder

 
Customise your flight search to find flights from Seattle 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 647,157 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from Seattle to San Francisco that are best for you.

Fly from

Seattle

Fly to

San Francisco

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 3/12

10:40-12:59

Nonstop2h 19m

San Francisco

Wed 10/12

15:35-22:23

1 stop6h 48m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 8/12

12:45-17:40

1 stop4h 55m

San Francisco

Thu 11/12

13:58-16:21

Nonstop2h 23m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 22/2

07:10-09:30

Nonstop2h 20m

San Francisco

Mon 2/3

17:05-00:09

1 stop7h 04m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 27/2

11:31-13:44

Nonstop2h 13m

San Francisco

Wed 4/3

06:00-12:59

1 stop6h 59m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 13/1

11:25-13:38

Nonstop2h 13m

San Francisco

Sat 24/1

06:00-12:33

1 stop6h 33m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 3/12

07:10-09:33

Nonstop2h 23m

San Francisco

Mon 8/12

15:35-20:50

1 stop5h 15m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 16/1

20:41-22:54

Nonstop2h 13m

San Francisco

Sat 24/1

06:00-12:58

1 stop6h 58m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 17/1

07:15-09:35

Nonstop2h 20m

San Francisco

Wed 21/1

06:00-12:58

1 stop6h 58m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 23/2

20:41-22:54

Nonstop2h 13m

San Francisco

Mon 2/3

13:08-18:43

1 stop5h 35m

$195

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 9/12

07:10-14:36

1 stop7h 26m

San Francisco

Thu 11/12

10:30-12:52

Nonstop2h 22m

$195

Flights are sorted by cheapest return flights first.

Deals found on 7/11

Showing 1-10 of 23 results
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Best time to book a flight from Seattle to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to San Francisco

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

Use this chart to determine the optimal time to book a return flight from Seattle to San Francisco. Price data was last updated on 31 October 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of $134). Flying from Seattle to San Francisco in May is currently the most expensive (average of $211). 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 SEA to SFO?

Find hourly flight availability from Seattle 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 7 November 2025.

One of the essential ways to save on airfare from Seattle to San Francisco is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 86% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Seattle to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 49 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as $195, Delta can have you in San Francisco from Seattle in 6h 19m. Airlines will cover a distance of 1093 km.

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

    The top 3 most reliable airlines when flying from Seattle to San Francisco are Emirates (100%), Horizon Air (100%) and Aeromexico (90%).

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

    Looking for the cheapest flight from Seattle to San Francisco? While on average our users pay $1,518, our data indicates the cheapest price to be $889. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $329.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of $134). Flying from Seattle to San Francisco in May is currently the most expensive (average of $211). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Sausalito
Santa Cruz
Los Gatos
Mountain View
Davis
Milpitas

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Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to San Francisco?

When you search for this flight from Seattle to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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