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Cheap flights from San Francisco to Cancún from $351

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 21/4. 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 return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from San Francisco to Cancún.
14:18 - 00:35SFO-CUN
32h 17m2 stops
15:56 - 00:09CUN-SFO
10h 13m1 stop
Fri, 2 May - Thu, 8 May
00:09 - 13:08SFO-CUN
10h 59m1 stop
14:03 - 20:27CUN-SFO
32h 24m2 stops
Mon, 12 May - Tue, 20 May
23:35 - 12:55SFO-CUN
11h 20m1 stop
13:00 - 00:08CUN-SFO
13h 08m1 stop
$634JetBlue
Find Deal
Sat, 26 Apr - Sat, 3 May
00:11 - 09:58SFO-CUN
7h 47m1 stop
15:56 - 00:09CUN-SFO
10h 13m1 stop
$647Frontier
Find Deal
Thu, 1 May - Thu, 8 May
23:35 - 12:55SFO-CUN
11h 20m1 stop
13:00 - 00:08CUN-SFO
13h 08m1 stop
$677JetBlue
Find Deal
Mon, 28 Apr - Sat, 3 May
00:11 - 09:58SFO-CUN
7h 47m1 stop
10:37 - 07:44CUN-SFO
23h 07m2 stops
$693Frontier
Find Deal
Thu, 1 May - Thu, 8 May
08:00 - 15:15SFO-CUN
29h 15m2 stops
16:25 - 19:48CUN-SFO
29h 23m2 stops
$787Alaska Airlines
Find Deal
Fri, 8 Aug - Tue, 12 Aug
19:05 - 15:15SFO-CUN
18h 10m2 stops
16:25 - 19:49CUN-SFO
29h 24m2 stops
$801Alaska Airlines
Find Deal
Mon, 18 Aug - Wed, 27 Aug
23:19 - 13:20SFO-CUN
12h 01m1 stop
07:52 - 14:21CUN-SFO
8h 29m1 stop
$897Delta
Find Deal
Thu, 21 Aug - Thu, 28 Aug
00:47 - 15:11SFO-CUN
12h 24m2 stops
06:08 - 12:54CUN-SFO
8h 46m1 stop
$911Delta
Find Deal
Fri, 25 Apr - Tue, 29 Apr

JetBlue flights from San Francisco to Cancún

Our best JetBlue deals on San Francisco to Cancún flight tickets
JetBlue
26 Apr
SFO23:35San Francisco
11h 20m
1 stop
CUN12:55Cancun
3 May
CUN13:00Cancun
13h 08m
1 stop
SFO00:08San Francisco
JetBlue
28 Apr
SFO23:35San Francisco
11h 20m
1 stop
CUN12:55Cancun
3 May
CUN13:00Cancun
13h 08m
1 stop
SFO00:08San Francisco
JetBlue
27 Apr
SFO20:10San Francisco
10h 55m
1 stop
CUN09:05Cancun
30 Apr
CUN13:00Cancun
13h 08m
1 stop
SFO00:08San Francisco

Frontier flights from San Francisco to Cancún

Our best Frontier deals on San Francisco to Cancún flight tickets
Frontier
1 May
SFO00:11San Francisco
7h 47m
1 stop
CUN09:58Cancun
8 May
CUN15:56Cancun
10h 13m
1 stop
SFO00:09San Francisco
Frontier
1 May
SFO00:11San Francisco
7h 47m
1 stop
CUN09:58Cancun
8 May
CUN10:37Cancun
23h 07m
2 stops
SFO07:44San Francisco
Frontier
2 May
SFO21:50San Francisco
36h 26m
2 stops
CUN12:16Cancun
8 May
CUN14:43Cancun
32h 57m
2 stops
SFO21:40San Francisco

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?

In general, January is the cheapest month to fly from San Francisco to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $895. If you are unable to visit Cancún during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $935.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart on your flight to Cancún is on a Monday when prices can be found for as low as $0. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $596.

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 1 weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $1,038 when searching 1 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 $999 on momondo.

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

There are 1 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 March 2025, prices for San Francisco to Cancún flights are approximately 12% 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 return 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

$351

Fastest flight time

5h 20m

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 $351. The best return flight deal from San Francisco to Cancún found on momondo in the last 72 hours is $569.
The fastest flight from San Francisco to Cancún takes 5h 20m
Direct flights go from San Francisco to Cancún every day.
There is 1 airport near Cancún: Cancun (CUN)

  • How far is San Francisco to Cancun by plane?

    There are 3873.8 km between San Francisco and Cancun. Flights usually cover this in 5h 20m, 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 were last updated today.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. 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 licence, 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?


Travelling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Morelos
Playa del Carmen
Akumal
Isla Mujeres
Puerto Aventuras
Holbox

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Cancún for you.

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

Yes. All flights to Cancún from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Cancún.

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

If you are simply researching potential flights to Cancún, momondo offers a useful price alert feature which will track prices for flights to Cancún from San Francisco and alert you when they change.


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