Flights from San Francisco to Cancun

Our cheapest offers for flights from San Francisco to Cancun

Here you can compare cheap flights from San Francisco (SFO) to Cancun (CUN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Cancun. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
San Francisco
Cancun
Outbound
10/18/25
1 Stopover (ATL)
F91448, F90153
11h 57min
Return
11/17/25
1 Stopover (BOS)
B60172, B60733
14h 34min
Frontier Airlines ?
$401
San Francisco
Cancun
Outbound
10/18/25
1 Stopover (SEA)
AS1327, AS1400
18h 37min
Return
11/17/25
1 Stopover (LAX)
AS1339, AS3462
18h 32min
Alaska Airlines ?
$492
San Francisco
Cancun
Outbound
10/18/25
1 Stopover (SEA)
AS0922, AS1400
16h 40min
Return
11/17/25
1 Stopover (LAX)
AS1339, AS0527
17h 05min
Alaska Airlines ?
$522
San Francisco
Cancun
Outbound
10/18/25
1 Stopover (LAX)
AS3290, AS1366
26h 00min
Return
11/17/25
1 Stopover (LAX)
HA4811, HA6290
17h 05min
Alaska Airlines ?
$666
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Francisco to Cancun

Favorite airline: Delta
The majority of passengers on the route San Francisco – Cancun prefer to fly with Delta.
Delta
23 %
Aeroméxico
15 %
JetBlue Airways
15 %
Favourite connection: via San Salvador and Guatemala
67 % of booked tickets on this route are for flights with a transfer in San Salvador and Guatemala.
Route
bookings
2 stopovers San Salvador Guatemala City
21h 00min, from $ 366
67 %
2 stopovers Seattle-Tacoma International Airport, WA Mexico City-Juarez International
14h 58min, from $ 466
33 %

Important flight information

Flight information: San Francisco - Cancun

Roundtrip from $ 400,07
Flight duration min. 05:16 / max. 05:20
Return flight duration min. 06:04/ max. 06:20
Distance 3876 km
Flights per week 12
Departure airport Airport San Francisco International Airport, CA (SFO)
Arrival airport Airport Cancun (CUN)
Destination country Flights to Mexico
Alternative routes to Mexico
Alternative flights to Cancun
Flight destinations with a similar price
Flight destinations with a similar price