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Cheap flights from San Francisco to Cancún from $161

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 2/28. 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.
Multiple Airlines Logo
1:45 pm - 10:03 am
SFO
-
CUN
18h 18m
2 stops
Multiple Airlines Logo
3:54 pm - 12:22 am
CUN
-
SFO
10h 28m
1 stop
$341Multiple Airlines
Wed, Apr 22 - Fri, May 1
Aeromexico Logo
11:35 pm - 8:02 pm
SFO
-
CUN
18h 27m
1 stop
Aeromexico Logo
3:25 pm - 10:25 pm
CUN
-
SFO
9h 00m
1 stop
$343Aeromexico
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
11:16 pm - 1:37 pm
SFO
-
CUN
11h 21m
1 stop
Multiple Airlines Logo
5:55 pm - 9:12 pm
CUN
-
SFO
6h 17mnonstop
$344Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Frontier Logo
8:25 am - 6:09 pm
SFO
-
CUN
30h 44m
1 stop
Frontier Logo
10:08 am - 8:09 pm
CUN
-
SFO
12h 01m
1 stop
$345Frontier
Tue, Mar 3 - Mon, Mar 9
Frontier Logo
9:00 pm - 11:24 am
SFO
-
CUN
12h 24m
1 stop
Frontier Logo
3:54 pm - 12:22 am
CUN
-
SFO
10h 28m
1 stop
$346Frontier
Sun, Apr 12 - Thu, Apr 16
Frontier Logo
7:15 pm - 1:49 pm
SFO
-
CUN
15h 34m
2 stops
Frontier Logo
9:53 am - 8:09 pm
CUN
-
SFO
12h 16m
1 stop
$347Frontier
Wed, Mar 4 - Wed, Mar 11
Frontier Logo
8:25 am - 6:09 pm
SFO
-
CUN
30h 44m
1 stop
Frontier Logo
9:53 am - 8:09 pm
CUN
-
SFO
12h 16m
1 stop
$348Frontier
Tue, Mar 3 - Wed, Mar 11
Frontier Logo
6:15 am - 5:17 pm
SFO
-
CUN
8h 02m
1 stop
Frontier Logo
2:27 pm - 8:03 am
CUN
-
SFO
20h 36m
1 stop
$349Frontier
Thu, Feb 26 - Wed, Mar 4
Frontier Logo
10:58 pm - 1:49 pm
SFO
-
CUN
11h 51m
1 stop
Frontier Logo
9:01 am - 7:14 pm
CUN
-
SFO
12h 13m
1 stop
$350Frontier
Wed, Mar 4 - Thu, Mar 19
Frontier Logo
6:15 am - 5:17 pm
SFO
-
CUN
8h 02m
1 stop
Frontier Logo
2:24 pm - 7:48 am
CUN
-
SFO
20h 24m
2 stops
$351Frontier
Mon, Feb 23 - Wed, Feb 25

Frontier flights from San Francisco to Cancún

Our best Frontier deals on San Francisco to Cancún flight tickets
Frontier
Mar 3
SFO8:25 amSan Francisco
30h 44m
1 stop
CUN6:09 pmCancun
Mar 9
CUN10:08 amCancun
12h 01m
1 stop
SFO8:09 pmSan Francisco
$345
Frontier
Apr 12
SFO9:00 pmSan Francisco
12h 24m
1 stop
CUN11:24 amCancun
Apr 16
CUN3:54 pmCancun
10h 28m
1 stop
SFO12:22 amSan Francisco
$346
Frontier
Mar 4
SFO7:15 pmSan Francisco
15h 34m
2 stops
CUN1:49 pmCancun
Mar 11
CUN9:53 amCancun
12h 16m
1 stop
SFO8:09 pmSan Francisco
$347

Aeromexico flights from San Francisco to Cancún

Our best Aeromexico deals on San Francisco to Cancún flight tickets
Aeromexico
Mar 19
SFO11:35 pmSan Francisco
18h 27m
1 stop
CUN8:02 pmCancun
Mar 26
CUN3:25 pmCancun
9h 00m
1 stop
SFO10:25 pmSan Francisco
$343
Aeromexico
May 3
SFO6:00 amSan Francisco
8h 51m
1 stop
CUN4:51 pmCancun
May 9
CUN6:00 amCancun
9h 00m
1 stop
SFO1:00 pmSan Francisco
$357
Aeromexico
Mar 24
SFO11:35 pmSan Francisco
13h 05m
1 stop
CUN2:40 pmCancun
Mar 31
CUN3:15 pmCancun
9h 10m
1 stop
SFO10:25 pmSan Francisco
$359

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 February 8, 2026.
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

Wed 4/22

1:45 pm-10:03 am

2 stops18h 18m

Cancun

Fri 5/1

3:54 pm-12:22 am

1 stop10h 28m

$341

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 3/19

11:35 pm-8:02 pm

1 stop18h 27m

Cancun

Thu 3/26

3:25 pm-10:25 pm

1 stop9h 00m

$343

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sat 2/28

11:16 pm-1:37 pm

1 stop11h 21m

Cancun

Sat 3/7

5:55 pm-9:12 pm

Nonstop6h 17m

$344

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 3/3

8:25 am-6:09 pm

1 stop30h 44m

Cancun

Mon 3/9

10:08 am-8:09 pm

1 stop12h 01m

$345

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Sun 4/12

9:00 pm-11:24 am

1 stop12h 24m

Cancun

Thu 4/16

3:54 pm-12:22 am

1 stop10h 28m

$346

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 3/4

7:15 pm-1:49 pm

2 stops15h 34m

Cancun

Wed 3/11

9:53 am-8:09 pm

1 stop12h 16m

$347

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Tue 3/3

8:25 am-6:09 pm

1 stop30h 44m

Cancun

Wed 3/11

9:53 am-8:09 pm

1 stop12h 16m

$348

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Thu 2/26

6:15 am-5:17 pm

1 stop8h 02m

Cancun

Wed 3/4

2:27 pm-8:03 am

1 stop20h 36m

$349

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Wed 3/4

10:58 pm-1:49 pm

1 stop11h 51m

Cancun

Thu 3/19

9:01 am-7:14 pm

1 stop12h 13m

$350

San FranciscoCancún

SFO - CUN

SFOCUN

San Francisco

Mon 2/23

6:15 am-5:17 pm

1 stop8h 02m

Cancun

Wed 2/25

2:24 pm-7:48 am

2 stops20h 24m

$351

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 $571.

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 Monday when prices can be found for as low as $636. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $683. 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 evening. Flights from San Francisco to Cancún during this time can be as low as $655. Flights to Cancún are more costly in the morning, with an average ticket price of $659. 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 $630 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 $566 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 February 2026, prices for San Francisco to Cancún flights are approximately 20% 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

$215

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 $215. The best round-trip flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $501.
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 $189Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $205Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
VivaPriceFrom $218Free CancellationRating
7.0
813 reviews
Search Viva flights
DeltaPriceFrom $251Free CancellationRating
7.9
8,173 reviews
Search Delta flights
VolarisPriceFrom $258Free CancellationRating
6.6
1,176 reviews
Search Volaris flights
AeromexicoPriceFrom $269Free CancellationRating
7.4
1,577 reviews
Search Aeromexico flights
United AirlinesPriceFrom $364Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
JetBluePriceFrom $367Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $367Free CancellationRating
8.0
11,857 reviews
Search Alaska Airlines flights
AviancaPriceFrom $369Free CancellationRating
6.5
2,496 reviews
Search Avianca 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 $655, with the best United Airlines deals starting from $364 round-trip. 9,257 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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