San Francisco to Cancun flights
Round trip · Economy · Prices per person in USD
Prices updated
Prices are typical right now
$503 is close to the usual $512 for San Francisco → Cancun.
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when San Francisco → Cancun drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | No fares found yet |
| November 2026 | $503 |
| December 2026 | $512 |
| January 2027 | No fares found yet |
| February 2027 | $515 |
| March 2027 | $495 (cheapest month) |
| April 2027 | No fares found yet |
| May 2027 | No fares found yet |
| June 2027 | No fares found yet |
| July 2027 | $955 |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 2 – 4 2 nights · leave Mon$503$503 Book
Frontier Airlines 2 stops · 7h 40m -
Dec 1 – 4 3 nights · leave Tue$512$512 Book
Southwest Airlines 2 stops · 8h 50m -
Nov 22 – 28 6 nights · leave Sun$664 +30% vs usual$664 +30% vs usual Book
Frontier Airlines 2 stops · 7h 39m
-
Dec 24 – Jan 3, 2027 10 nights · leave Thu$785 +53% vs usual$785 +53% vs usual Book
Southwest Airlines 1 stop · 5h 55m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Things to do in Cancun
Tickets and tours on KlookTo see tours and tickets here, turn on partner content in .
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Airport transfer to Cancun
Fixed prices from CUN on KiwitaxiTo see transfer prices here, turn on partner content in .
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Plan the rest of your trip
Cancun · Nov 2 – 4- Car rental in Mexico Economybookings · compare rental companies (opens Economybookings in a new tab)
Travel insurance · EKTA Airport transfer · Kiwitaxi
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Good to know
More from San Francisco
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- Ontario $53 −57%
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Flights to Cancun from other cities
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San Francisco to Cancun: questions
How much is a flight from San Francisco to Cancun?
The cheapest round trip we have found right now is $503, leaving November 2 and returning November 4. The usual price on this route is about $512, so this fare is 2% less. Prices are per person, economy, in USD.
What is the cheapest month to fly from San Francisco to Cancun?
March 2027, with round trips from $495. The most expensive month in our data is July (from $955). Based on the 5 months ahead we have prices for.
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 $503, departing November 2 and returning November 4, about 2% below the usual $512. The cheapest month to fly in our data is March, from $495. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.