Cheap flights from San Francisco to Cancún from $332

SFO — CUN
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Cancún

Sun 6/1223:00 -
Nonstop5h 13m
Thu 10/1218:05 -
Nonstop6h 03m
Deal found 4/11$626
Sun 13/1221:00 -
1 stop14h 00m
Sun 20/1213:45 -
1 stop11h 42m
Deal found 1/11$640
Mon 30/1100:15 -
1 stop9h 39m
Mon 7/1213:45 -
Nonstop6h 07m
Deal found 3/11$644
Thu 3/1208:01 -
1 stop10h 07m
Sat 5/1206:09 -
1 stop16h 56m
Deal found 1/11$646
Wed 2/1220:59 -
1 stop16h 21m
Wed 9/1213:32 -
1 stop9h 33m
Deal found 3/11$650
Mon 30/1123:00 -
Nonstop5h 13m
Mon 7/1212:28 -
1 stop10h 42m
Deal found 1/11$653
Sat 28/1105:50 -
1 stop7h 15m
Wed 2/1206:49 -
1 stop16h 16m
Deal found 31/10$657
Mon 14/1221:00 -
1 stop12h 05m
Sun 20/1213:45 -
1 stop11h 42m
Deal found 1/11$659
Tue 15/1205:00 -
1 stop7h 37m
Mon 21/1213:45 -
Nonstop6h 07m
Deal found 2/11$662
Wed 30/1221:20 -
2 stops15h 10m
Wed 6/116:30 -
2 stops23h 15m
Deal found 3/11$672

Find flight deals from San Francisco to Cancún

Round-trip from

$626

One-way from

$332

Popular in

December

Cheapest in

January

Average price

$940
United Airlines
  • United Airlines
  • 6/12-10/12
  • Nonstop
  • 11h 16m total
  • San Francisco to Cancún
Delta
  • Delta
  • 8/12-31/12
  • 1 total stop
  • 12h 08m total
  • San Francisco to Cancún
Highest demand for flights based on searches. 2% potential increase in price ($34 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sun 3/1

08:45-17:08

Nonstop5h 23m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$346

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Wed 25/11

21:24-14:03

1 stop13h 39m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$359

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Tue 29/12

08:45-17:08

Nonstop5h 23m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$360

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Mon 22/3

06:00-18:47

2 stops10h 47m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$362
Fastest return journey

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Mon 15/2

23:00-07:13

Nonstop5h 13m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$402

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sun 29/11

22:50-16:00

2 stops14h 10m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$427

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Tue 10/11

08:45-17:08

Nonstop5h 23m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$430

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Sat 14/11

23:25-11:54

1 stop9h 29m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$437

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Fri 8/1

06:05-19:45

2 stops10h 40m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$452

San FranciscoCancún

SFO San Francisco - CUN Cancun

SFOCUN

San Francisco

Wed 20/1

08:45-17:08

Nonstop5h 23m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

$504

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

Booking 50 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, January is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $782). Flying from San Francisco to Cancún in December is currently the most expensive (average of $1,115). 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?

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.

How much does it cost for a return flight from San Francisco to Cancún?

Airfare is below average for this route at the moment.

San Francisco to Cancún flights typically cost between $764 and $1,229 in December.
The cheapest return price found within the last 5 days was $626 on United Airlines (6 Dec–10 Dec).

Related info for your journey

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

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

    For as low as $747, Delta can have you in Cancún from San Francisco in 7h 30m. 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.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $782). Flying from San Francisco to Cancún in December is currently the most expensive (average of $1,115). 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

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Alternative routes for San Francisco to Cancún

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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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