SFO offers a secret gate area in Terminal 1 with reclining loungers and workspaces, perfect for relaxing before your flight.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $355 (Alaska Airlines) |
One-way from | $159 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $671 |
Good round-trip deal | $439 or less |
Good one-way deal | $204 or less |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Sat 12/6
12:43 am-12:54 pm
1 stop9h 11m
Cancun
Sat 12/13
5:50 pm-8:53 pm
Nonstop6h 03m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Sat 2/28
8:00 am-4:21 pm
Nonstop5h 21m
Cancun
Wed 3/4
4:00 pm-9:11 am
1 stop20h 11m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Tue 1/27
6:00 am-8:00 pm
2 stops11h 00m
Cancun
Mon 2/2
6:55 pm-7:30 am
1 stop15h 35m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Sat 12/13
5:55 am-6:00 pm
1 stop9h 05m
Cancun
Wed 12/17
3:15 pm-12:20 am
1 stop12h 05m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Wed 2/4
11:17 am-2:50 pm
1 stop24h 33m
Cancun
Sun 2/8
9:30 am-7:43 pm
1 stop13h 13m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Sat 12/13
5:00 am-3:45 pm
1 stop7h 45m
Cancun
Mon 12/22
1:35 pm-4:38 pm
Nonstop6h 03m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Fri 2/20
6:00 am-6:08 pm
1 stop9h 08m
Cancun
Sat 2/28
8:38 am-7:59 pm
1 stop14h 21m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Fri 1/9
6:30 am-6:52 pm
1 stop9h 22m
Cancun
Sun 1/18
1:43 pm-11:27 pm
1 stop12h 44m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Thu 1/1
8:20 am-4:49 pm
Nonstop5h 29m
Cancun
Tue 1/13
6:15 pm-11:13 am
1 stop19h 58m
San FranciscoCancún
SFO - CUN
SFOCUN
San Francisco
Wed 2/4
7:18 am-5:50 pm
1 stop7h 32m
Cancun
Sun 2/8
5:55 pm-11:59 pm
1 stop9h 04m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 28 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Cancún. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, May is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $162). Flying from San Francisco to Cancún in December is currently the most expensive (average of $331). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Cancún in the afternoon. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their San Francisco to Cancún flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
About 14% of weekly flights between San Francisco and Cancún have experienced delays in the past year, with the average delay time being 149 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Los Angeles (LAX) – chosen by Cheapflights users on 56% of 1-stop itineraries from San Francisco to Cancún on Cheapflights.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 7h 42m.
Flights via Los Angeles (LAX) have the shortest average one-way travel time for 1-stop routes: 7h 42m.
Flights via Mexico City (MEX) offer the fastest connection on this route, with an average layover time of 2h 00m.
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
Crew
Boarding
Entertainment
Overall
Food
Comfort
Reviews
Hannah,Aug 2025
SFO - SAN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$204 | Average$425 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$230 | Average$321 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$267 | Average$561 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$269 | Average$586 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$282 | Average$452 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$289 | Average$412 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$318 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$342 | Average$630 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$399 | Average$661 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$402 | Average$661 | FlexibilityNo cancel fee | On-time71% |