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Cheap flights from San Francisco to Cancún from $160

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 1/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from San Francisco to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:18 am - 5:50 pm
SFO
-
CUN
7h 32m1 stop
United Airlines Logo
5:55 pm - 11:59 pm
CUN
-
SFO
9h 04m1 stop
$367United Airlines
Thu, Jan 8 - Tue, Jan 13
Delta Logo
9:00 pm - 4:35 pm
SFO
-
CUN
16h 35m2 stops
Delta Logo
8:00 am - 10:45 am
CUN
-
SFO
29h 45m2 stops
$368Delta
Sat, Jan 10 - Fri, Jan 16
Alaska Airlines Logo
7:30 am - 2:50 pm
SFO
-
CUN
28h 20m1 stop
Alaska Airlines Logo
5:55 pm - 9:05 pm
CUN
-
SFO
6h 10mnonstop
$369Alaska Airlines
Mon, Jan 19 - Sat, Jan 24
Avianca Logo
2:20 pm - 11:45 am
SFO
-
CUN
19h 25m2 stops
Avianca Logo
2:15 pm - 11:55 pm
CUN
-
SFO
11h 40m1 stop
$370Avianca
Thu, May 7 - Tue, May 12
Delta Logo
6:30 am - 9:10 pm
SFO
-
CUN
11h 40m1 stop
Delta Logo
8:00 am - 5:43 pm
CUN
-
SFO
12h 43m1 stop
$371Delta
Thu, Jan 8 - Tue, Jan 13
Aeromexico Logo
9:30 pm - 11:05 am
SFO
-
CUN
10h 35m1 stop
Aeromexico Logo
7:42 pm - 9:55 am
CUN
-
SFO
17h 13m2 stops
$372Aeromexico
Mon, Jan 5 - Thu, Jan 15
Aeromexico Logo
1:36 pm - 1:28 am
SFO
-
CUN
8h 52m1 stop
Aeromexico Logo
12:37 pm - 7:59 pm
CUN
-
SFO
10h 22m1 stop
$373Aeromexico
Fri, Feb 20 - Sat, Feb 28
American Airlines Logo
7:00 am - 5:59 pm
SFO
-
CUN
7h 59m1 stop
American Airlines Logo
4:26 pm - 11:12 pm
CUN
-
SFO
9h 46m1 stop
$374American Airlines
Thu, Jan 1 - Fri, Jan 16
Delta Logo
6:30 am - 9:10 pm
SFO
-
CUN
11h 40m1 stop
Delta Logo
12:24 pm - 11:25 pm
CUN
-
SFO
14h 01m2 stops
$375Delta
Thu, Jan 8 - Tue, Jan 13
Delta Logo
12:10 am - 3:20 pm
SFO
-
CUN
12h 10m1 stop
Delta Logo
5:15 pm - 9:35 am
CUN
-
SFO
19h 20m1 stop
$376Delta
Tue, Dec 30 - Fri, Jan 9

United Airlines flights from San Francisco to Cancún

Our best United Airlines deals on San Francisco to Cancún flight tickets
United Airlines
Jan 8
SFO7:18 amSan Francisco
7h 32m
1 stop
CUN5:50 pmCancun
Jan 13
CUN5:55 pmCancun
9h 04m
1 stop
SFO11:59 pmSan Francisco
$367
Find similar
United Airlines
Feb 1
SFO8:59 amSan Francisco
5h 21m
CUN5:20 pmCancun
Feb 9
CUN5:50 pmCancun
6h 03m
SFO8:53 pmSan Francisco
$379
Find similar
United Airlines
Feb 6
SFO8:59 amSan Francisco
5h 21m
CUN5:20 pmCancun
Feb 13
CUN5:50 pmCancun
6h 03m
SFO8:53 pmSan Francisco
$412
Find similar

Alaska Airlines flights from San Francisco to Cancún

Our best Alaska Airlines deals on San Francisco to Cancún flight tickets
Alaska Airlines
Jan 19
SFO7:30 amSan Francisco
28h 20m
1 stop
CUN2:50 pmCancun
Jan 24
CUN5:55 pmCancun
6h 10m
SFO9:05 pmSan Francisco
$369
Find similar
Alaska Airlines
Jan 23
SFO9:54 pmSan Francisco
13h 56m
1 stop
CUN2:50 pmCancun
Jan 24
CUN5:55 pmCancun
6h 10m
SFO9:05 pmSan Francisco
$377
Find similar
Alaska Airlines
Jan 11
SFO6:00 amSan Francisco
32h 05m
1 stop
CUN5:05 pmCancun
Jan 17
CUN5:55 pmCancun
6h 10m
SFO9:05 pmSan Francisco
$386
Find similar

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 December 18, 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

Thu 1/8

7:18 am-5:50 pm

1 stop7h 32m

Cancun

Tue 1/13

5:55 pm-11:59 pm

1 stop9h 04m

$367

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 1/10

9:00 pm-4:35 pm

2 stops16h 35m

Cancun

Fri 1/16

8:00 am-10:45 am

2 stops29h 45m

$368

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 1/19

7:30 am-2:50 pm

1 stop28h 20m

Cancun

Sat 1/24

5:55 pm-9:05 pm

Nonstop6h 10m

$369

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 5/7

2:20 pm-11:45 am

2 stops19h 25m

Cancun

Tue 5/12

2:15 pm-11:55 pm

1 stop11h 40m

$370

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 1/8

6:30 am-9:10 pm

1 stop11h 40m

Cancun

Tue 1/13

8:00 am-5:43 pm

1 stop12h 43m

$371

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 1/5

9:30 pm-11:05 am

1 stop10h 35m

Cancun

Thu 1/15

7:42 pm-9:55 am

2 stops17h 13m

$372

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 2/20

1:36 pm-1:28 am

1 stop8h 52m

Cancun

Sat 2/28

12:37 pm-7:59 pm

1 stop10h 22m

$373

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 1/1

7:00 am-5:59 pm

1 stop7h 59m

Cancun

Fri 1/16

4:26 pm-11:12 pm

1 stop9h 46m

$374

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 1/8

6:30 am-9:10 pm

1 stop11h 40m

Cancun

Tue 1/13

12:24 pm-11:25 pm

2 stops14h 01m

$375

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 12/30

12:10 am-3:20 pm

1 stop12h 10m

Cancun

Fri 1/9

5:15 pm-9:35 am

1 stop19h 20m

$376

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 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 $578.

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 $634. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $695. 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 $661. 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 $631 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 $578 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 December 2025, prices for San Francisco to Cancún flights are approximately 21% 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

$205

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 $205. The best round-trip flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $507.
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 in Cancún. From San Francisco there are direct flights to 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 $201Free CancellationRating
5.8
3,081 reviews
Search Frontier flights
VivaPriceFrom $225Free CancellationRating
7.0
797 reviews
Search Viva flights
DeltaPriceFrom $253Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $269Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
VolarisPriceFrom $289Free CancellationRating
6.6
1,156 reviews
Search Volaris flights
AeromexicoPriceFrom $315Free CancellationRating
7.4
1,629 reviews
Search Aeromexico flights
Alaska AirlinesPriceFrom $349Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $381Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
JetBluePriceFrom $385Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
American AirlinesPriceFrom $395Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

  • United Airlines Flights From San Francisco to Cancún

    Across 14 United Airlines flights from San Francisco to Cancún this week, the average price was $659, with the best United Airlines deals starting from $381 round-trip. 9,093 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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