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Cheap flights from San Francisco to Cancún from $276

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from San Francisco to Cancún

Enter your travel dates to find the best prices.

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 17 October 2025.

Wed 19/1107:16SFO - CUN
1 stop7h 34mUnited Airlines
Tue 25/1106:30CUN - SFO
1 stop8h 40mUnited Airlines
Deal found 16/10$587
Sat 8/1105:15SFO - CUN
1 stop9h 35mUnited Airlines
Sat 15/1117:50CUN - SFO
Nonstop6h 03mUnited Airlines
Deal found 17/10$591
Wed 10/1207:20SFO - CUN
1 stop7h 30mUnited Airlines
Sun 14/1206:30CUN - SFO
1 stop8h 39mUnited Airlines
Deal found 17/10$594
Sun 30/1108:27SFO - CUN
Nonstop5h 13mAlaska Airlines
Sun 14/1219:55CUN - SFO
2 stops19h 34mAlaska Airlines
Deal found 15/10$596
Mon 15/1206:00SFO - CUN
1 stop7h 46mUnited Airlines
Tue 20/117:55CUN - SFO
1 stop9h 04mUnited Airlines
Deal found 15/10$597
Thu 6/1106:00SFO - CUN
1 stop9h 45mHawaiian Airlines
Thu 13/1118:15CUN - SFO
1 stop8h 43mHawaiian Airlines
Deal found 15/10$599
Sun 30/1108:27SFO - CUN
Nonstop5h 13mAlaska Airlines
Sun 7/1218:15CUN - SFO
1 stop16h 14mAlaska Airlines
Deal found 16/10$600
Mon 1/1208:27SFO - CUN
Nonstop5h 13mAlaska Airlines
Wed 10/1218:15CUN - SFO
2 stops22h 21mAlaska Airlines
Deal found 15/10$604
Tue 11/1100:43SFO - CUN
1 stop9h 51mUnited Airlines
Sun 23/1113:35CUN - SFO
Nonstop6h 03mUnited Airlines
Deal found 16/10$605
Fri 5/1222:24SFO - CUN
1 stop13h 26mAlaska Airlines
Wed 24/1209:30CUN - SFO
1 stop13h 19mAlaska Airlines
Deal found 15/10$607
Sun 9/1121:24SFO - CUN
1 stop7h 05mUnited Airlines
Sat 15/1106:30CUN - SFO
1 stop8h 40mUnited Airlines
Deal found 15/10$608
Sun 7/1200:43SFO - CUN
1 stop7h 42mUnited Airlines
Mon 15/1206:30CUN - SFO
1 stop8h 39mUnited Airlines
Deal found 14/10$610

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 17 October 2025.

Round-trip from

$587

One-way from

$276

Popular in

December

Cheapest in

January

Average price

$961
United Airlines
  • United Airlines
  • 19/11-25/11
  • 2 total stops
  • 16h 14m total
  • San Francisco to Cancún
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 29/11
  • Nonstop
  • 5h 13m total
  • San Francisco to Cancún
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($93 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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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 17 October 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

Tue 9/12

08:59-17:20

Nonstop5h 21m

Cancun

Tue 16/12

17:50-20:53

Nonstop6h 03m

$613

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 9/1

17:00-11:05

2 stops15h 05m

Cancun

Sun 18/1

12:15-22:12

2 stops12h 57m

$614

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 5/2

17:00-11:05

2 stops15h 05m

Cancun

Mon 9/2

19:18-07:58

1 stop15h 40m

$614

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 10/12

18:39-18:45

1 stop21h 06m

Cancun

Thu 25/12

09:00-22:07

1 stop16h 07m

$671

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 4/12

06:00-16:46

1 stop7h 46m

Cancun

Mon 8/12

06:30-12:09

1 stop8h 39m

$684

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 4/11

07:16-17:50

1 stop7h 34m

Cancun

Tue 11/11

17:55-00:12

1 stop9h 17m

$696

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 30/11

06:00-18:00

1 stop9h 00m

Cancun

Sun 7/12

19:00-07:30

1 stop15h 30m

$714

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 18/11

21:30-12:37

2 stops12h 07m

Cancun

Tue 25/11

06:00-11:55

1 stop8h 55m

$716

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 8/11

23:01-07:13

Nonstop5h 12m

Cancun

Thu 13/11

13:35-16:38

Nonstop6h 03m

$716

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 2/3

00:43-11:25

1 stop7h 42m

Cancun

Wed 11/3

17:30-00:14

1 stop8h 44m

$722

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 21 results
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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 10 October 2025.

Booking 28 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 month to book a flight from San Francisco to Cancún?

Currently, May is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $249). Flying from San Francisco to Cancún in December is currently the most expensive (average of $510). 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 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 17 October 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.

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 4 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 San Francisco to Cancún?

    For as low as $610, Alaska Airlines can have you in Cancún from San Francisco in 7h 42m. The distance from San Francisco to Cancún is about 3869 km. Both multi-stop and direct flights can be found to your destination and back.

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

    $276 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $276 and $282, respectively.

  • 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.

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

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $249). Flying from San Francisco to Cancún in December is currently the most expensive (average of $510). 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 San Francisco to Cancún

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

Fly with Cheapflights

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

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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