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Cheap flights from San Francisco to Cancún from $291

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Cancún departing on 14/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

United Airlines Logo
00:43 - 12:33SFO-CUN
9h 50m1 stop
United Airlines Logo
13:35 - 16:38CUN-SFO
6h 03mdirect
$654United Airlines
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Tue, 14 Oct - Wed, 5 Nov
Alaska Airlines Logo
18:59 - 18:45SFO-CUN
20h 46m2 stops
Alaska Airlines Logo
18:15 - 18:53CUN-SFO
27h 38m1 stop
$657Alaska Airlines
Find Deal
Thu, 4 Dec - Wed, 10 Dec
United Airlines Logo
00:43 - 11:25SFO-CUN
7h 42m1 stop
United Airlines Logo
17:55 - 23:59CUN-SFO
9h 04m1 stop
$659United Airlines
Find Deal
Fri, 9 Jan - Sat, 31 Jan
United Airlines Logo
00:43 - 13:34SFO-CUN
9h 51m1 stop
United Airlines Logo
17:50 - 20:53CUN-SFO
6h 03mdirect
$660United Airlines
Find Deal
Wed, 25 Feb - Tue, 3 Mar
Alaska Airlines Logo
08:20 - 16:49SFO-CUN
5h 29mdirect
Alaska Airlines Logo
17:10 - 10:15CUN-SFO
20h 05m1 stop
$662Alaska Airlines
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Fri, 2 Jan - Thu, 8 Jan
Alaska Airlines Logo
18:23 - 18:45SFO-CUN
22h 22m2 stops
Alaska Airlines Logo
19:55 - 08:34CUN-SFO
14h 39m1 stop
$663Alaska Airlines
Find Deal
Wed, 29 Oct - Sat, 1 Nov
JetBlue Logo
22:40 - 17:18SFO-CUN
15h 38m1 stop
JetBlue Logo
14:10 - 23:33CUN-SFO
12h 23m1 stop
$665JetBlue
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Tue, 13 Jan - Sat, 24 Jan
Southwest Logo
05:15 - 17:55SFO-CUN
9h 40m2 stops
Southwest Logo
16:05 - 23:55CUN-SFO
10h 50m1 stop
$674Southwest
Find Deal
Sun, 14 Dec - Sat, 20 Dec
Southwest Logo
20:10 - 17:00SFO-CUN
17h 50m2 stops
Southwest Logo
14:05 - 21:50CUN-SFO
10h 45m2 stops
$696Southwest
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Fri, 28 Nov - Thu, 4 Dec
JetBlue Logo
21:00 - 11:58SFO-CUN
11h 58m1 stop
JetBlue Logo
14:40 - 23:33CUN-SFO
11h 53m1 stop
$698JetBlue
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Fri, 5 Dec - Tue, 16 Dec

United Airlines flights from San Francisco to Cancún

Our best United Airlines deals on San Francisco to Cancún flight tickets
United Airlines
14 Oct
SFO00:43San Francisco
9h 50m
1 stop
CUN12:33Cancun
5 Nov
CUN13:35Cancun
6h 03m
SFO16:38San Francisco
$654
Find similar
United Airlines
9 Jan
SFO00:43San Francisco
7h 42m
1 stop
CUN11:25Cancun
31 Jan
CUN17:55Cancun
9h 04m
1 stop
SFO23:59San Francisco
$659
Find similar
United Airlines
25 Feb
SFO00:43San Francisco
9h 51m
1 stop
CUN13:34Cancun
3 Mar
CUN17:50Cancun
6h 03m
SFO20:53San Francisco
$660
Find similar

Alaska Airlines flights from San Francisco to Cancún

Our best Alaska Airlines deals on San Francisco to Cancún flight tickets
Alaska Airlines
4 Dec
SFO18:59San Francisco
20h 46m
2 stops
CUN18:45Cancun
10 Dec
CUN18:15Cancun
27h 38m
1 stop
SFO18:53San Francisco
$657
Find similar
Alaska Airlines
2 Jan
SFO08:20San Francisco
5h 29m
CUN16:49Cancun
8 Jan
CUN17:10Cancun
20h 05m
1 stop
SFO10:15San Francisco
$662
Find similar
Alaska Airlines
29 Oct
SFO18:23San Francisco
22h 22m
2 stops
CUN18:45Cancun
1 Nov
CUN19:55Cancun
14h 39m
1 stop
SFO08:34San Francisco
$663
Find similar

momondo 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, momondo users made 78,305 searches. Data last updated 16 September 2025.
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

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 14/10

00:43-12:33

1 stop9h 50m

Cancun

Wed 5/11

13:35-16:38

Nonstop6h 03m

$654

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 4/12

18:59-18:45

2 stops20h 46m

Cancun

Wed 10/12

18:15-18:53

1 stop27h 38m

$657

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 9/1

00:43-11:25

1 stop7h 42m

Cancun

Sat 31/1

17:55-23:59

1 stop9h 04m

$659

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 25/2

00:43-13:34

1 stop9h 51m

Cancun

Tue 3/3

17:50-20:53

Nonstop6h 03m

$660

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 2/1

08:20-16:49

Nonstop5h 29m

Cancun

Thu 8/1

17:10-10:15

1 stop20h 05m

$662

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 29/10

18:23-18:45

2 stops22h 22m

Cancun

Sat 1/11

19:55-08:34

1 stop14h 39m

$663

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 13/1

22:40-17:18

1 stop15h 38m

Cancun

Sat 24/1

14:10-23:33

1 stop12h 23m

$665

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 14/12

05:15-17:55

2 stops9h 40m

Cancun

Sat 20/12

16:05-23:55

1 stop10h 50m

$674

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 28/11

20:10-17:00

2 stops17h 50m

Cancun

Thu 4/12

14:05-21:50

2 stops10h 45m

$696

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 5/12

21:00-11:58

1 stop11h 58m

Cancun

Tue 16/12

14:40-23:33

1 stop11h 53m

$698

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from San Francisco to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cancún?

In general, January is the cheapest month to fly from San Francisco to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $846. If you are unable to visit Cancún during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $860.

What is the cheapest San Francisco to Cancun flight route?

Fly from San Francisco to Cancun for the best San Francisco - Cancun flight prices

How far in advance should I book a flight to Cancún?

You are more likely to see cheaper flights to Cancún from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $960 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from San Francisco for as low as $882 on momondo.

What cabin class options are available on San Francisco to Cancun flights?

There is only 1 cabin class available to choose from on San Francisco to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Cancún flights?

You could potentially save up to 12% on your flight if you consider stops on a San Francisco to Cancún flight.

How have San Francisco to Cancún flight prices changed over time?

As of September 2025, prices for San Francisco to Cancún flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to Cancún (SFO to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Cancún

Fastest flight time

5h 12m

Direct flights

Every day

Airports in Cancún

1 airport
The fastest flight from San Francisco to Cancún takes 5h 12m
Direct flights go from San Francisco to Cancún every day.
There is 1 airport near Cancún: Cancun (CUN)
Search flight deals

  • How far is San Francisco to Cancun by plane?

    There are 3873.8 km between San Francisco and Cancun. Flights usually cover this in 5h 12m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to Cancun Airport?

    Prices for flights from San Francisco Airport to Cancun Airport were last updated today.

  • How old do you have to be to fly from San Francisco Airport to Cancun Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The travel and health documents required for your trip to Cancun Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Cancun Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Cancún?

Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Puerto Morelos
Akumal
Isla Mujeres
Holbox

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Cancún?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Cancún for you.

Can I find flights from San Francisco to Cancún with flexible booking policies on momondo?

Yes. All flights to Cancún from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Francisco to Cancún?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Cancún.

I’m not ready to book a flight from San Francisco to Cancún right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Cancún, momondo offers a useful price alert feature which will track prices for flights to Cancún from San Francisco and alert you when they change.

An easier way to manage your Cancún trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
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Qantas Airways
Singapore Airlines
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