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San Francisco to Cancun flights

Round trip · Economy · Prices per person in USD

Prices updated

Cheapest found $503 Nov 2 – 4 · 2 stops Book this fare
Usual price $512 The cheapest we found is 2% less
Cheapest month March From $495

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
Cheapest month Below usual Usual price $512
Cheapest round trip from San Francisco to Cancun by departure month
MonthCheapest round trip
September 2026No fares found yet
October 2026No fares found yet
November 2026$503
December 2026$512
January 2027No fares found yet
February 2027$515
March 2027$495 (cheapest month)
April 2027No fares found yet
May 2027No fares found yet
June 2027No 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
    Frontier Airlines 2 stops · 7h 40m
    Book
  • Dec 1 – 4 3 nights · leave Tue
    $512
    Southwest Airlines 2 stops · 8h 50m
    Book
  • Nov 22 – 28 6 nights · leave Sun
    $664 +30% vs usual
    Frontier Airlines 2 stops · 7h 39m
    Book
  • Dec 24 – Jan 3, 2027 10 nights · leave Thu
    $785 +53% vs usual
    Southwest Airlines 1 stop · 5h 55m
    Book

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 Klook
See things to do in Cancun Attractions, tours and airport transfers on Klook

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Airport transfer to Cancun

Fixed prices from CUN on Kiwitaxi

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Plan the rest of your trip

Cancun · Nov 2 – 4

Travel insurance · EKTA Airport transfer · Kiwitaxi

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Good to know

Most expensive month July Cheapest round trip that month is $955, vs $495 in the cheapest month.

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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.

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