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Cheap flights from San Francisco to Cancún from $159

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 1/14. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
10:15 am - 8:30 amSFO-CUN
19h 15m1 stop
Multiple Airlines Logo
10:47 am - 11:41 pmCUN-SFO
15h 54m2 stops
$364Multiple Airlines
Find Deal
Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
7:20 am - 5:50 pmSFO-CUN
7h 30m1 stop
United Airlines Logo
5:50 pm - 8:53 pmCUN-SFO
6h 03mnonstop
$365United Airlines
Find Deal
Mon, Dec 15 - Thu, Dec 18
Multiple Airlines Logo
9:24 pm - 2:50 pmSFO-CUN
14h 26m1 stop
Multiple Airlines Logo
4:58 pm - 7:53 amCUN-SFO
17h 55m1 stop
$366Multiple Airlines
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Tue, Feb 17 - Sat, Feb 21
Delta Logo
10:36 pm - 12:34 pmSFO-CUN
10h 58m1 stop
Delta Logo
6:01 am - 11:56 amCUN-SFO
8h 55m1 stop
$367Delta
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Mon, Feb 16 - Fri, Feb 20
Frontier Logo
7:00 am - 5:36 pmSFO-CUN
7h 36m1 stop
Frontier Logo
4:58 pm - 8:03 amCUN-SFO
18h 05m1 stop
$368Frontier
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Wed, Jan 7 - Sun, Jan 11
Frontier Logo
7:00 am - 5:36 pmSFO-CUN
7h 36m1 stop
Frontier Logo
4:58 pm - 8:03 amCUN-SFO
18h 05m1 stop
$369Frontier
Find Deal
Tue, Jan 6 - Sun, Jan 11
Multiple Airlines Logo
8:20 am - 4:49 pmSFO-CUN
5h 29mnonstop
Multiple Airlines Logo
3:24 pm - 1:24 pmCUN-SFO
25h 00m1 stop
$370Multiple Airlines
Find Deal
Mon, Jan 5 - Mon, Jan 12
United Airlines Logo
12:43 am - 1:34 pmSFO-CUN
9h 51m1 stop
United Airlines Logo
5:50 pm - 8:53 pmCUN-SFO
6h 03mnonstop
$371United Airlines
Find Deal
Sat, Feb 7 - Thu, Feb 12
American Airlines Logo
3:54 pm - 2:27 pmSFO-CUN
19h 33m1 stop
American Airlines Logo
1:14 pm - 9:39 pmCUN-SFO
11h 25m1 stop
$372American Airlines
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Mon, Dec 15 - Thu, Dec 18
Frontier Logo
4:51 pm - 1:47 pmSFO-CUN
17h 56m2 stops
Frontier Logo
2:57 pm - 12:28 amCUN-SFO
12h 31m2 stops
$373Frontier
Find Deal
Thu, Feb 5 - Mon, Feb 9

United Airlines flights from San Francisco to Cancún

Our best United Airlines deals on San Francisco to Cancún flight tickets
United Airlines
Dec 15
SFO7:20 amSan Francisco
7h 30m
1 stop
CUN5:50 pmCancun
Dec 18
CUN5:50 pmCancun
6h 03m
SFO8:53 pmSan Francisco
$365
Find similar
United Airlines
Feb 7
SFO12:43 amSan Francisco
9h 51m
1 stop
CUN1:34 pmCancun
Feb 12
CUN5:50 pmCancun
6h 03m
SFO8:53 pmSan Francisco
$371
Find similar
United Airlines
Jan 8
SFO11:59 pmSan Francisco
10h 35m
1 stop
CUN1:34 pmCancun
Jan 13
CUN5:50 pmCancun
6h 03m
SFO8:53 pmSan Francisco
$401
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American Airlines flights from San Francisco to Cancún

Our best American Airlines deals on San Francisco to Cancún flight tickets
American Airlines
Dec 15
SFO3:54 pmSan Francisco
19h 33m
1 stop
CUN2:27 pmCancun
Dec 18
CUN1:14 pmCancun
11h 25m
1 stop
SFO9:39 pmSan Francisco
$372
Find similar
American Airlines
Mar 2
SFO12:50 amSan Francisco
11h 34m
1 stop
CUN3:24 pmCancun
Mar 8
CUN5:59 pmCancun
8h 49m
1 stop
SFO12:48 amSan Francisco
$406
Find similar
American Airlines
Dec 1
SFO6:55 pmSan Francisco
8h 17m
1 stop
CUN6:12 amCancun
Dec 6
CUN3:22 pmCancun
11h 03m
1 stop
SFO11:25 pmSan Francisco
$480
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momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated November 26, 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

Sat 1/31

10:15 am-8:30 am

1 stop19h 15m

Cancun

Tue 2/3

10:47 am-11:41 pm

2 stops15h 54m

$364

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 12/15

7:20 am-5:50 pm

1 stop7h 30m

Cancun

Thu 12/18

5:50 pm-8:53 pm

Nonstop6h 03m

$365

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 2/17

9:24 pm-2:50 pm

1 stop14h 26m

Cancun

Sat 2/21

4:58 pm-7:53 am

1 stop17h 55m

$366

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 2/16

10:36 pm-12:34 pm

1 stop10h 58m

Cancun

Fri 2/20

6:01 am-11:56 am

1 stop8h 55m

$367

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 1/7

7:00 am-5:36 pm

1 stop7h 36m

Cancun

Sun 1/11

4:58 pm-8:03 am

1 stop18h 05m

$368

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 1/6

7:00 am-5:36 pm

1 stop7h 36m

Cancun

Sun 1/11

4:58 pm-8:03 am

1 stop18h 05m

$369

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 1/5

8:20 am-4:49 pm

Nonstop5h 29m

Cancun

Mon 1/12

3:24 pm-1:24 pm

1 stop25h 00m

$370

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 2/7

12:43 am-1:34 pm

1 stop9h 51m

Cancun

Thu 2/12

5:50 pm-8:53 pm

Nonstop6h 03m

$371

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 12/15

3:54 pm-2:27 pm

1 stop19h 33m

Cancun

Thu 12/18

1:14 pm-9:39 pm

1 stop11h 25m

$372

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 2/5

4:51 pm-1:47 pm

2 stops17h 56m

Cancun

Mon 2/9

2:57 pm-12:28 am

2 stops12h 31m

$373

Flights are sorted by cheapest round-trip 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 typical price of a round-trip flight between San Francisco and Cancún?

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in January, then you should wait until February to fly from San Francisco, when ticket prices are also cheap, with an average price of $573.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from San Francisco to Cancún is on a Tuesday when prices can be found for as low as $631. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $710. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our most recent data shows that the best time of day to fly to Cancún is in the afternoon. Flights from San Francisco to Cancún during this time can be as low as $408. Flights to Cancún are more costly in the morning, with an average ticket price of $665. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $634 when searching weeks out. 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 $589 on momondo.

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

There are 4 cabin classes 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?

No. A direct flight is the cheapest option for a flight between San Francisco to Cancún.

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

As of November 2025, prices for San Francisco to Cancún flights are approximately 13% 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 round-trip 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

Best Price Found

$164

Fastest flight time

5h 12m

Direct flights

Every day

Airports in Cancún

1 airport
The best one-way flight to Cancún from San Francisco in the past 72 hours is $164. The best round-trip flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $463.
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?

    The straight-line distance from San Francisco to Cancun is 2407.1 mi. Flights usually cover this in 5h 29m, 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 are updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Cancun Airport?

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. 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 license, 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?

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

Best airlines flying from San Francisco to Cancún

Compare and see reviews for airlines that fly from San Francisco to Cancún with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $203Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
VivaPriceFrom $225Free CancellationRating
7.0
788 reviews
Search Viva flights
DeltaPriceFrom $261Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $269Free CancellationRating
7.8
2,814 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $282Free CancellationRating
7.2
2,905 reviews
Search JetBlue flights
VolarisPriceFrom $289Free CancellationRating
6.7
1,153 reviews
Search Volaris flights
AeromexicoPriceFrom $307Free CancellationRating
7.4
1,658 reviews
Search Aeromexico flights
Alaska AirlinesPriceFrom $342Free CancellationRating
8.0
11,354 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $390Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights
American AirlinesPriceFrom $399Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Francisco to Cancún

    Across 6 Alaska Airlines flights from San Francisco to Cancún this week, the average price was $625, with the best Alaska Airlines deals starting from $342 round-trip. 11,354 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.

  • Hawaiian Airlines Flights From San Francisco to Cancún

    Hawaiian Airlines (7.8/10 from 2,814 reviews) operates around 6 flights from San Francisco to Cancún in any given week. The average Hawaiian Airlines airfare for this route is around $586, with deals from around $269 rare but found on momondo. Referenced prices are for round-trip San Francisco to Cancún flight searches in the last 72 hours.

Traveling to a place near Cancún?

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

Why use momondo?

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

It is quick and easy to find San Francisco to Cancún flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cancún that suits you.

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

Yes. momondo allows you to filter the results for San Francisco to Cancún flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Cancún from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Cancún from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Cancún trip

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