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Cheap flights from San Francisco to Cancún from $195

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 11/12. 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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Find the cheapest flights from San Francisco to Cancún

Cheap round-trip flights

Air Canada Logo
12:43 am - 12:02 pmSFO-CUN
9h 19m1 stop
Air Canada Logo
2:24 pm - 9:47 pmCUN-SFO
9h 23m1 stop
$440Air Canada
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Sun, Oct 5 - Wed, Oct 15
United Airlines Logo
11:01 pm - 7:13 amSFO-CUN
5h 12mnonstop
United Airlines Logo
6:30 am - 12:10 pmCUN-SFO
8h 40m1 stop
$441United Airlines
Find Deal
Mon, Nov 3 - Wed, Nov 12
Alaska Airlines Logo
6:23 pm - 6:45 pmSFO-CUN
22h 22m2 stops
Alaska Airlines Logo
7:55 pm - 8:34 amCUN-SFO
14h 39m1 stop
$442Alaska Airlines
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Wed, Oct 29 - Sat, Nov 1
Alaska Airlines Logo
6:23 pm - 6:45 pmSFO-CUN
46h 22m2 stops
Alaska Airlines Logo
6:15 pm - 11:58 pmCUN-SFO
8h 43m1 stop
$443Alaska Airlines
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Tue, Oct 28 - Mon, Nov 3
Logo
11:00 pm - 12:40 pmSFO-CUN
11h 40m1 stop
Logo
8:00 am - 6:07 pmCUN-SFO
12h 07m2 stops
$444
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Sat, Sep 20 - Thu, Oct 2
JetBlue Logo
11:20 pm - 11:58 amSFO-CUN
10h 38m1 stop
JetBlue Logo
9:45 am - 11:16 pmCUN-SFO
15h 31m1 stop
$454JetBlue
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Sat, Oct 11 - Sat, Oct 18
American Airlines Logo
5:00 pm - 1:06 pmSFO-CUN
18h 06m1 stop
American Airlines Logo
12:20 pm - 9:52 pmCUN-SFO
11h 32m1 stop
$458American Airlines
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Fri, Sep 26 - Wed, Oct 1
Frontier Logo
10:23 pm - 1:20 pmSFO-CUN
11h 57m1 stop
Frontier Logo
2:30 pm - 12:14 amCUN-SFO
12h 44m2 stops
$461Frontier
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Thu, Nov 6 - Thu, Nov 13
JetBlue Logo
9:00 pm - 10:00 amSFO-CUN
11h 00m1 stop
JetBlue Logo
1:00 pm - 11:10 pmCUN-SFO
12h 10m1 stop
$469JetBlue
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Tue, Sep 23 - Tue, Sep 30
Frontier Logo
7:53 pm - 3:58 pmSFO-CUN
17h 05m2 stops
Frontier Logo
11:38 am - 12:25 amCUN-SFO
15h 47m2 stops
$484Frontier
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Thu, Dec 4 - Mon, Dec 8

United Airlines flights from San Francisco to Cancún

Our best United Airlines deals on San Francisco to Cancún flight tickets
United Airlines
Nov 3
SFO11:01 pmSan Francisco
5h 12m
CUN7:13 amCancun
Nov 12
CUN6:30 amCancun
8h 40m
1 stop
SFO12:10 pmSan Francisco
$441
Find similar
United Airlines
Sep 27
SFO7:32 amSan Francisco
5h 18m
CUN2:50 pmCancun
Oct 1
CUN1:04 pmCancun
5h 47m
SFO4:51 pmSan Francisco
$445
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United Airlines
Nov 4
SFO7:16 amSan Francisco
7h 34m
1 stop
CUN5:50 pmCancun
Nov 7
CUN4:51 pmCancun
9h 08m
1 stop
SFO10:59 pmSan Francisco
$446
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Alaska Airlines flights from San Francisco to Cancún

Our best Alaska Airlines deals on San Francisco to Cancún flight tickets
Alaska Airlines
Oct 29
SFO6:23 pmSan Francisco
22h 22m
2 stops
CUN6:45 pmCancun
Nov 1
CUN7:55 pmCancun
14h 39m
1 stop
SFO8:34 amSan Francisco
$442
Find similar
Alaska Airlines
Oct 28
SFO6:23 pmSan Francisco
46h 22m
2 stops
CUN6:45 pmCancun
Nov 3
CUN6:15 pmCancun
8h 43m
1 stop
SFO11:58 pmSan Francisco
$443
Find similar
Alaska Airlines
Oct 11
SFO7:54 pmSan Francisco
41h 06m
2 stops
CUN3:00 pmCancun
Oct 16
CUN5:30 pmCancun
8h 28m
1 stop
SFO11:58 pmSan Francisco
$447
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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 September 11, 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

Sun 10/5

12:43 am-12:02 pm

1 stop9h 19m

Cancun

Wed 10/15

2:24 pm-9:47 pm

1 stop9h 23m

$440

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 11/3

11:01 pm-7:13 am

Nonstop5h 12m

Cancun

Wed 11/12

6:30 am-12:10 pm

1 stop8h 40m

$441

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 10/29

6:23 pm-6:45 pm

2 stops22h 22m

Cancun

Sat 11/1

7:55 pm-8:34 am

1 stop14h 39m

$442

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 10/28

6:23 pm-6:45 pm

2 stops46h 22m

Cancun

Mon 11/3

6:15 pm-11:58 pm

1 stop8h 43m

$443

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 9/20

11:00 pm-12:40 pm

1 stop11h 40m

Cancun

Thu 10/2

8:00 am-6:07 pm

2 stops12h 07m

$444

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 10/11

11:20 pm-11:58 am

1 stop10h 38m

Cancun

Sat 10/18

9:45 am-11:16 pm

1 stop15h 31m

$454

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 9/26

5:00 pm-1:06 pm

1 stop18h 06m

Cancun

Wed 10/1

12:20 pm-9:52 pm

1 stop11h 32m

$458

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 11/6

10:23 pm-1:20 pm

1 stop11h 57m

Cancun

Thu 11/13

2:30 pm-12:14 am

2 stops12h 44m

$461

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 9/23

9:00 pm-10:00 am

1 stop11h 00m

Cancun

Tue 9/30

1:00 pm-11:10 pm

1 stop12h 10m

$469

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 12/4

7:53 pm-3:58 pm

2 stops17h 05m

Cancun

Mon 12/8

11:38 am-12:25 am

2 stops15h 47m

$484

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 $579.

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 $651. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $712. 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 $673. 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 $640 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 $586 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.

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

As of September 2025, prices for San Francisco to Cancún flights are approximately 42% 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

$273

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 $273. The best round-trip flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $582.
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 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 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
3,177 reviews
Search Frontier flights
VivaPriceFrom $230Free CancellationRating
7.0
788 reviews
Search Viva flights
DeltaPriceFrom $267Free CancellationRating
7.9
7,960 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $269Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
JetBluePriceFrom $282Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
VolarisPriceFrom $329Free CancellationRating
6.6
1,155 reviews
Search Volaris flights
AeromexicoPriceFrom $330Free CancellationRating
7.4
1,701 reviews
Search Aeromexico flights
Alaska AirlinesPriceFrom $342Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $404Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $423Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

  • United Airlines Flights From San Francisco to Cancún

    Across 7 United Airlines flights from San Francisco to Cancún this week, the average price was $668, with the best United Airlines deals starting from $423 round-trip. 8,937 users have rated United Airlines on momondo, with an average score of 7.4/10.

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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