San Francisco to Cancun flights
The cheapest round trip we found from San Francisco to Cancun is $292 (Dec 11 – 19, 1 stop), 29% below the usual $410.
SFO to CUN · Round trip · Economy · Prices per person in USD · Price found (2 days ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | No fares found yet |
| December 2026 | $292 (cheapest month) |
| January 2027 | $408 |
Cheapest dates in the next 4 months
Round trip, per person-
Dec 11 – 19 8 nights · leave Fri$292 −29% vs usual$292 −29% vs usual Book
United Airlines 1 stop · 6h 37m -
Jan 28 – 31, 2027 3 nights · leave Thu$408$408 Book
Volaris 1 stop · 6h 20m -
Jan 12 – 15, 2027 3 nights · leave Tue$411$411 Book
American Airlines 1 stop · 6h 24m -
Jan 6 – 13, 2027 7 nights · leave Wed$416$416 Book
American Airlines 1 stop · 6h 18m
-
Dec 11 – 18 7 nights · leave Fri$441 +8% vs usual$441 +8% vs usual Book
United Airlines 1 stop · 6h 10m
-
Dec 19 – 26 7 nights · leave Sat$601 +47% vs usual$601 +47% vs usual Book
Frontier Airlines 3 stops · 9h 17m -
Dec 19 – Jan 2, 2027 14 nights · leave Sat$796 +94% vs usual$796 +94% vs usual Book
Frontier Airlines 3 stops · 9h 25m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Cancun
One Go City pass for Chichen Itza day trip, Xcaret Park, Interactive Aquarium Cancun and more
- All-Inclusive Pass Unlimited Visit as many attractions as you like for 2–5 days from $189 See pass
- All-Inclusive Pass Plus All-Inclusive plus 1 extra attractions from $274 See pass
- Essentials Pass A few top attractions, chosen as you go from $159 See pass
Go City prices checked Oct 23, 2026; the final price is on Go City. Partner links: we may earn a commission if you book, at no extra cost to you.
Plan the rest of your trip
Cancun · Dec 11 – 19- eSIM for Mexico Yesim · prepaid mobile data (opens Yesim in a new tab)
- Car rental in Mexico Economybookings · compare rental companies (opens Economybookings in a new tab)
Partner links: we may earn a commission if you book, at no extra cost to you.
Good to know
More from San Francisco
-
-
- Ontario $68 −53%
-
-
-
-
-
Flights to Cancun from other cities
-
- Tijuana $183 −7%
-
-
-
-
San Francisco to Cancun: questions
How much does a flight from San Francisco to Cancun cost?
The cheapest round trip we have found right now is $292, leaving December 11 and returning December 19. The usual price on this route is about $410, so this fare is 29% less. Prices are per person, economy, in USD.
Which airports do San Francisco to Cancun flights use?
San Francisco airports include San Francisco International (SFO). Cancun airports include Cancun International (CUN). The prices on this page cover every airport in both cities (SFO and CUN are the city codes).
About this route
We track round-trip economy fares from San Francisco (United States) to Cancun (Mexico) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $292, departing December 11 and returning December 19, about 29% below the usual $410. Right now we're following 7 upcoming date combinations on this route. The cheapest month to fly in our data is December, from $292. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.