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Cheap flights from Cancún to San Francisco from $189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to San Francisco departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Cancún to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:27 pm - 12:28 am
CUN
-
SFO
13h 01m
1 stop
Frontier Logo
9:04 pm - 11:16 am
SFO
-
CUN
12h 12m
1 stop
$244Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
2:27 pm - 12:28 am
CUN
-
SFO
13h 01m
1 stop
Frontier Logo
9:24 pm - 11:16 am
SFO
-
CUN
11h 52m
2 stops
$257Frontier
Wed, Mar 4 - Mon, Mar 9
Frontier Logo
12:24 pm - 12:28 am
CUN
-
SFO
15h 04m
1 stop
Frontier Logo
9:04 pm - 11:16 am
SFO
-
CUN
12h 12m
1 stop
$262Frontier
Thu, Mar 5 - Sun, Mar 8
Frontier Logo
3:54 pm - 12:22 am
CUN
-
SFO
10h 28m
1 stop
Frontier Logo
6:00 am - 2:39 pm
SFO
-
CUN
30h 39m
1 stop
$284Frontier
Thu, May 7 - Tue, May 12
Frontier Logo
12:24 pm - 12:28 am
CUN
-
SFO
15h 04m
1 stop
Frontier Logo
10:35 pm - 11:16 am
SFO
-
CUN
34h 41m
2 stops
$285Frontier
Thu, Mar 5 - Sun, Mar 8
Frontier Logo
10:01 am - 9:39 pm
CUN
-
SFO
14h 38m
1 stop
Frontier Logo
8:18 pm - 6:09 pm
SFO
-
CUN
18h 51m
2 stops
$287Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
10:01 am - 9:39 pm
CUN
-
SFO
14h 38m
1 stop
Frontier Logo
8:18 pm - 6:09 pm
SFO
-
CUN
18h 51m
2 stops
$290Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
10:01 am - 9:39 pm
CUN
-
SFO
14h 38m
1 stop
Frontier Logo
6:15 am - 5:17 pm
SFO
-
CUN
8h 02m
1 stop
$299Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
10:01 am - 9:39 pm
CUN
-
SFO
14h 38m
1 stop
Frontier Logo
6:15 am - 5:17 pm
SFO
-
CUN
8h 02m
1 stop
$301Frontier
Thu, Feb 26 - Mon, Mar 2
Frontier Logo
9:53 am - 8:09 pm
CUN
-
SFO
12h 16m
1 stop
Frontier Logo
10:03 pm - 2:56 pm
SFO
-
CUN
14h 53m
1 stop
$308Frontier
Tue, Mar 10 - Tue, Apr 7

Frontier flights from Cancún to San Francisco

Our best Frontier deals on Cancún to San Francisco flight tickets
Frontier
Mar 4
CUN2:27 pmCancun
13h 01m
1 stop
SFO12:28 amSan Francisco
Mar 9
SFO9:04 pmSan Francisco
12h 12m
1 stop
CUN11:16 amCancun
$244
Frontier
Mar 4
CUN2:27 pmCancun
13h 01m
1 stop
SFO12:28 amSan Francisco
Mar 9
SFO9:24 pmSan Francisco
11h 52m
2 stops
CUN11:16 amCancun
$257
Frontier
Mar 5
CUN12:24 pmCancun
15h 04m
1 stop
SFO12:28 amSan Francisco
Mar 8
SFO9:04 pmSan Francisco
12h 12m
1 stop
CUN11:16 amCancun
$262

Aeromexico flights from Cancún to San Francisco

Our best Aeromexico deals on Cancún to San Francisco flight tickets
Aeromexico
Mar 18
CUN12:35 pmCancun
10h 25m
1 stop
SFO9:00 pmSan Francisco
Mar 25
SFO12:27 pmSan Francisco
11h 01m
2 stops
CUN1:28 amCancun
$322
Aeromexico
Mar 18
CUN6:42 pmCancun
18h 15m
2 stops
SFO10:57 amSan Francisco
Mar 25
SFO12:27 pmSan Francisco
11h 01m
2 stops
CUN1:28 amCancun
$379
Aeromexico
Apr 7
CUN5:35 pmCancun
18h 40m
2 stops
SFO10:15 amSan Francisco
Apr 9
SFO11:45 amSan Francisco
11h 40m
2 stops
CUN1:25 amCancun
$382

momondo Fare Finder

 
Customize your flight search to find flights from Cancún to San Francisco 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 2, 2026.
Use the filters below to find and compare flights from Cancún to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Wed 3/4

2:27 pm-12:28 am

1 stop13h 01m

San Francisco

Mon 3/9

9:04 pm-11:16 am

1 stop12h 12m

$244

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Wed 3/4

2:27 pm-12:28 am

1 stop13h 01m

San Francisco

Mon 3/9

9:24 pm-11:16 am

2 stops11h 52m

$257

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 3/5

12:24 pm-12:28 am

1 stop15h 04m

San Francisco

Sun 3/8

9:04 pm-11:16 am

1 stop12h 12m

$262

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 5/7

3:54 pm-12:22 am

1 stop10h 28m

San Francisco

Tue 5/12

6:00 am-2:39 pm

1 stop30h 39m

$284

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 3/5

12:24 pm-12:28 am

1 stop15h 04m

San Francisco

Sun 3/8

10:35 pm-11:16 am

2 stops34h 41m

$285

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 2/26

10:01 am-9:39 pm

1 stop14h 38m

San Francisco

Mon 3/2

8:18 pm-6:09 pm

2 stops18h 51m

$287

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 2/26

10:01 am-9:39 pm

1 stop14h 38m

San Francisco

Mon 3/2

8:18 pm-6:09 pm

2 stops18h 51m

$290

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 2/26

10:01 am-9:39 pm

1 stop14h 38m

San Francisco

Mon 3/2

6:15 am-5:17 pm

1 stop8h 02m

$299

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 2/26

10:01 am-9:39 pm

1 stop14h 38m

San Francisco

Mon 3/2

6:15 am-5:17 pm

1 stop8h 02m

$301

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Tue 3/10

9:53 am-8:09 pm

1 stop12h 16m

San Francisco

Tue 4/7

10:03 pm-2:56 pm

1 stop14h 53m

$308

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 San Francisco from

How to get the cheapest flight ticket from Cancún to San Francisco

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 Cancún and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $369.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Cancún to San Francisco is on a Wednesday when prices can be found for as low as $326. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $645.

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

Our data shows that the cheapest Cancún to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $306. Flights in the afternoon are often more expensive with an average ticket price of $469.

What is the cheapest Cancun to San Francisco flight route?

Fly from Cancun to San Francisco for the best Cancun - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Cancún when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $468 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Cancún for as low as $353 on momondo.

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

There are 4 cabin classes available to choose from on Cancun to San Francisco 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 Cancún to San Francisco flights?

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

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

As of February 2026, prices for Cancún to San Francisco flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Cancún to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cancún to San Francisco (CUN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cancún to San Francisco

Best Price Found

$297

Fastest flight time

5h 50m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Cancún in the past 72 hours is $297. The best round-trip flight deal from Cancún to San Francisco found on momondo in the last 72 hours is $318.
The fastest flight from Cancún to San Francisco takes 5h 50m
Direct flights go from Cancún to San Francisco every day.
There is 1 airport in San Francisco. From Cancún there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Cancun to San Francisco by plane?

    The straight-line distance from Cancun to San Francisco is 2407.1 mi. Typically, this will take 5h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Cancun Airport to San Francisco Airport?

    Prices for flights from Cancun Airport to San Francisco Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cancun Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Best airlines flying from Cancún to San Francisco

Compare and see reviews for airlines that fly from Cancún to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $280Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights

  • United Airlines Flights From Cancún to San Francisco

    United Airlines is one of the most popular airlines flying from Cancún to San Francisco, operating 13 flights/week on average for this route. A good United Airlines flight deal for Cancún to San Francisco starts from $280 round-trip, up to an average price of $488. Our users have rated United Airlines at 7.4/10.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Santa Clara
Walnut Creek
Berkeley
Big Sur
Fremont
Half Moon Bay
Daly City
Salinas
Vallejo
Sunnyvale
Livermore
Turlock

Why use momondo?

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

Finding the right flight to San Francisco from Cancún is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

Flights from Cancún to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Cancún to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to San Francisco from Cancún are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San Francisco 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.
Start using Trips
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