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Cheap flights from San Francisco to Cancún from $305

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
18 Jun — 25 Jun1
1 adult

Cheap flight deals from San Francisco to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Cancún (CUN). 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 13 June 2025.

Round-trip from

$677

One-way from

$305

Popular in

December

Cheapest in

January

Average price

$1,018
Alaska Airlines
  • Alaska Airlines
  • 23/8-28/8
  • 3 total stops
  • 43h 30m total
  • San Francisco to Cancún
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JetBlue
  • JetBlue
  • 17/11
  • 1 total stop
  • 9h 29m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
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Find flight deals from San Francisco to Cancún

Cheapest flights from San Francisco to Cancún
Explore the most affordable flight options available from San Francisco to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sat 23/811:12SFO - CUN
1 stop25h 48mAlaska Airlines
Thu 28/816:10CUN - SFO
2 stops17h 42mAlaska Airlines
Deal found 12/6$677
Sat 27/922:15SFO - CUN
1 stop8h 10mJetBlue
Mon 29/909:45CUN - SFO
1 stop11h 35mJetBlue
Deal found 11/6$686
Thu 11/918:53SFO - CUN
1 stop18h 07mHawaiian Airlines
Thu 18/916:10CUN - SFO
1 stop9h 49mHawaiian Airlines
Deal found 11/6$702
Tue 18/1100:40SFO - CUN
1 stop11h 30mDelta
Thu 27/1111:14CUN - SFO
1 stop12h 16mDelta
Deal found 12/6$748
Fri 26/908:48SFO - CUN
Nonstop5h 24mUnited Airlines
Tue 30/913:43CUN - SFO
1 stop8h 30mUnited Airlines
Deal found 11/6$826
Wed 20/815:25SFO - CUN
2 stops18h 25mSouthwest
Sun 24/813:15CUN - SFO
2 stops11h 05mSouthwest
Deal found 11/6$835
Sun 27/723:30SFO - CUN
1 stop8h 16mMultiple Airlines
Sun 3/813:49CUN - SFO
2 stops19h 39mMultiple Airlines
Deal found 12/6$841
Sat 26/702:30SFO - CUN
2 stops31h 15mAvianca
Sun 3/812:45CUN - SFO
3 stops25h 50mAvianca
Deal found 12/6$921

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco to Cancún 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 13 June 2025.
Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.

Fly from

San Francisco

Fly to

Cancún

Route

Depart

Return

Price

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 23/8

11:12-15:00

1 stop25h 48m

Cancun

Thu 28/8

16:10-07:52

2 stops17h 42m

$677

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 27/9

22:15-08:25

1 stop8h 10m

Cancun

Mon 29/9

09:45-19:20

1 stop11h 35m

$686

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 11/9

18:53-15:00

1 stop18h 07m

Cancun

Thu 18/9

16:10-23:59

1 stop9h 49m

$702

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 18/11

00:40-15:10

1 stop11h 30m

Cancun

Thu 27/11

11:14-20:30

1 stop12h 16m

$748

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 26/9

08:48-16:12

Nonstop5h 24m

Cancun

Tue 30/9

13:43-20:13

1 stop8h 30m

$826

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 20/8

19:20-11:50

2 stops14h 30m

Cancun

Mon 25/8

14:30-23:10

2 stops10h 40m

$835

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 27/7

23:30-09:46

1 stop8h 16m

Cancun

Sun 3/8

13:49-07:28

2 stops19h 39m

$841

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 26/7

02:30-11:45

2 stops31h 15m

Cancun

Sun 3/8

12:45-12:35

3 stops25h 50m

$921

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 17/11

23:59-12:28

1 stop9h 29m

$305

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 14/9

19:07-15:00

2 stops17h 53m

$307

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 17 results
1
2

Best time to book a flight from San Francisco to Cancún

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

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Cancún. Price data was last updated on 9 June 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Find hourly flight availability from San Francisco to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

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

Weekly flight availability from San Francisco to Cancún

Explore weekly flight availability from San Francisco to Cancún. 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 13 June 2025.

The most flights from SFO to CUN are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Cancún by month

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

In terms of precipitation, rainfall in Cancún ranges from 29.0 - 282.0 inches per month. October is typically the wettest month, when rainfall can reach 282.0 mm. April is typically the driest time to visit Cancún when rainfall is around 29.0 mm.

Temperature in Cancún by month

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

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 30.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.0 C).

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated 13 June 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Francisco to Cancún. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very Good
10,000 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very Good
4,286 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very Good
7,946 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,496 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very Good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Cancún. 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 San Francisco to Cancún flight route?

    This flight path from San Francisco to Cancun was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Alaska Airlines ($677), JetBlue ($686), and Hawaiian Airlines ($702) offers the cheapest pricing from San Francisco to Cancún. Users have found that Alaska Airlines is 31% cheaper than the other options available to this destination.

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

    $305 is the cheapest one-way deal found within the past few days, from JetBlue. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $307 and $335, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Cancún on time: United Airlines (93%), American Airlines (75%), Alaska Airlines (75%).

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

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

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

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

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

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

See more FAQs

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Alternative routes for San Francisco to Cancún

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Cancún flights

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Cheapflights makes it easy to find San Francisco to Cancún flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Cancún.

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

Yes, we can. To see specific flights from San Francisco to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cancún from San Francisco today and book when prices fit your budget.

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