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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 2/21. 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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Find the cheapest flights from San Francisco to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:00 pm - 2:50 pm
SFO
-
CUN
16h 50m1 stop
Alaska Airlines Logo
6:15 pm - 7:38 am
CUN
-
SFO
16h 23m1 stop
$367Alaska Airlines
Mon, Jan 12 - Sat, Jan 24
Delta Logo
6:55 pm - 11:50 am
SFO
-
CUN
13h 55m2 stops
Delta Logo
1:43 pm - 11:56 pm
CUN
-
SFO
13h 13m2 stops
$368Delta
Sun, Jan 18 - Wed, Feb 11
Frontier Logo
7:00 am - 5:36 pm
SFO
-
CUN
7h 36m1 stop
Frontier Logo
2:57 pm - 12:28 am
CUN
-
SFO
12h 31m2 stops
$369Frontier
Sat, Jan 10 - Mon, Feb 9
Delta Logo
9:30 pm - 1:00 pm
SFO
-
CUN
12h 30m2 stops
Delta Logo
11:15 am - 7:59 pm
CUN
-
SFO
11h 44m1 stop
$370Delta
Fri, Jan 23 - Thu, Jan 29
Delta Logo
10:35 pm - 8:00 pm
SFO
-
CUN
18h 25m1 stop
Delta Logo
6:01 am - 3:08 pm
CUN
-
SFO
12h 07m2 stops
$371Delta
Sun, Jan 11 - Sat, Jan 31
Aeromexico Logo
5:45 am - 4:05 pm
SFO
-
CUN
7h 20m1 stop
Aeromexico Logo
6:42 pm - 9:55 am
CUN
-
SFO
18h 13m2 stops
$372Aeromexico
Mon, Jan 5 - Wed, Jan 14
Delta Logo
10:36 pm - 1:47 pm
SFO
-
CUN
12h 11m1 stop
Delta Logo
6:01 am - 11:56 am
CUN
-
SFO
8h 55m1 stop
$373Delta
Sat, Feb 14 - Sat, Feb 21
American Airlines Logo
8:00 am - 8:45 pm
SFO
-
CUN
9h 45m1 stop
American Airlines Logo
1:06 pm - 9:37 pm
CUN
-
SFO
11h 31m1 stop
$374American Airlines
Thu, Jan 1 - Tue, Jan 13
Delta Logo
6:00 am - 9:11 pm
SFO
-
CUN
12h 11m1 stop
Delta Logo
6:01 am - 3:08 pm
CUN
-
SFO
12h 07m2 stops
$375Delta
Tue, Jan 13 - Sat, Jan 31
Aeromexico Logo
11:25 am - 1:28 am
SFO
-
CUN
11h 03m2 stops
Aeromexico Logo
6:01 am - 7:59 pm
CUN
-
SFO
16h 58m1 stop
$376Aeromexico
Fri, Jan 30 - Sat, Feb 7

Alaska Airlines flights from San Francisco to Cancún

Our best Alaska Airlines deals on San Francisco to Cancún flight tickets
Alaska Airlines
Jan 12
SFO7:00 pmSan Francisco
16h 50m
1 stop
CUN2:50 pmCancun
Jan 24
CUN6:15 pmCancun
16h 23m
1 stop
SFO7:38 amSan Francisco
$367
Find similar
Alaska Airlines
Jan 23
SFO9:54 pmSan Francisco
13h 56m
1 stop
CUN2:50 pmCancun
Feb 14
CUN5:55 pmCancun
6h 17m
SFO9:12 pmSan Francisco
$377
Find similar
Alaska Airlines
Mar 16
SFO10:26 pmSan Francisco
14h 24m
1 stop
CUN2:50 pmCancun
Mar 25
CUN5:15 pmCancun
19h 02m
1 stop
SFO10:17 amSan Francisco
$386
Find similar

United Airlines flights from San Francisco to Cancún

Our best United Airlines deals on San Francisco to Cancún flight tickets
United Airlines
Jan 5
SFO12:43 amSan Francisco
7h 42m
1 stop
CUN11:25 amCancun
Jan 13
CUN5:55 pmCancun
9h 04m
1 stop
SFO11:59 pmSan Francisco
$374
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 2
SFO11:01 pmSan Francisco
5h 12m
CUN7:13 amCancun
Feb 8
CUN3:07 pmCancun
11h 05m
1 stop
SFO11:12 pmSan Francisco
$390
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 23, 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

Mon 1/12

7:00 pm-2:50 pm

1 stop16h 50m

Cancun

Sat 1/24

6:15 pm-7:38 am

1 stop16h 23m

$367

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 1/18

6:55 pm-11:50 am

2 stops13h 55m

Cancun

Wed 2/11

1:43 pm-11:56 pm

2 stops13h 13m

$368

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 1/10

7:00 am-5:36 pm

1 stop7h 36m

Cancun

Mon 2/9

2:57 pm-12:28 am

2 stops12h 31m

$369

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 1/23

9:30 pm-1:00 pm

2 stops12h 30m

Cancun

Thu 1/29

11:15 am-7:59 pm

1 stop11h 44m

$370

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 1/11

10:35 pm-8:00 pm

1 stop18h 25m

Cancun

Sat 1/31

6:01 am-3:08 pm

2 stops12h 07m

$371

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 1/5

5:45 am-4:05 pm

1 stop7h 20m

Cancun

Wed 1/14

6:42 pm-9:55 am

2 stops18h 13m

$372

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 2/14

10:36 pm-1:47 pm

1 stop12h 11m

Cancun

Sat 2/21

6:01 am-11:56 am

1 stop8h 55m

$373

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 1/1

8:00 am-8:45 pm

1 stop9h 45m

Cancun

Tue 1/13

1:06 pm-9:37 pm

1 stop11h 31m

$374

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 1/13

6:00 am-9:11 pm

1 stop12h 11m

Cancun

Sat 1/31

6:01 am-3:08 pm

2 stops12h 07m

$375

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Fri 1/30

11:25 am-1:28 am

2 stops11h 03m

Cancun

Sat 2/7

6:01 am-7:59 pm

1 stop16h 58m

$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 $576.

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 $638. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $690. 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 $662. 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 $632 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

$232

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 $232. The best round-trip flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $506.
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 $203Free CancellationRating
5.8
3,075 reviews
Search Frontier flights
VivaPriceFrom $225Free CancellationRating
7.0
799 reviews
Search Viva flights
DeltaPriceFrom $264Free CancellationRating
7.9
8,014 reviews
Search Delta flights
VolarisPriceFrom $266Free CancellationRating
6.6
1,163 reviews
Search Volaris flights
Hawaiian AirlinesPriceFrom $269Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
AeromexicoPriceFrom $313Free CancellationRating
7.4
1,626 reviews
Search Aeromexico flights
Alaska AirlinesPriceFrom $347Free CancellationRating
8.0
11,512 reviews
Search Alaska Airlines flights
JetBluePriceFrom $356Free CancellationRating
7.2
2,897 reviews
Search JetBlue flights
United AirlinesPriceFrom $381Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
American AirlinesPriceFrom $397Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

  • Alaska Airlines Flights From San Francisco to Cancún

    Across 2 Alaska Airlines flights from San Francisco to Cancún this week, the average price was $596, with the best Alaska Airlines deals starting from $347 round-trip. 11,510 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 2,820 reviews) operates around 3 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.

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