San Francisco to Cancun flights (SFO → CUN)
Looking for San Francisco to Cancun flights? Cheapest round-trip I’ve found: US$476 on Frontier, 1 stop(s), departing 2026-10-16. That’s US$30 below the typical price for this route. Cheap flights from San Francisco to Cancun change daily — I re-check this route three times a day.
Deal score: Good price — cheaper than 52% of prices I’ve seen on this route.
Best months to fly San Francisco to Cancun
| Month | Cheapest seen |
|---|---|
| December | US$382 |
| September | US$436 |
| November | US$438 |
| October | US$445 |
| February | US$451 |
| August | US$458 |
How to book this fare
I don’t sell tickets — I track prices and point you to where to look. To book San Francisco to Cancun flights:
- Search San Francisco to Cancun on Google Flights for the dates shown above (Oct 2026) — the fare I found is usually still available there.
- Compare the same dates on metasearch sites like Skyscanner or KAYAK to confirm you’re seeing the lowest price.
- Book directly with the airline when you can — it’s often the same price and makes changes or cancellations much easier.
Fares change constantly. If the price has moved, check back — I re-check this route daily.
Other San Francisco to … flights
- San Francisco to Perth flights — US$1,211
- San Francisco to Lisbon flights — US$690
- San Francisco to Rio de Janeiro flights — US$901
- San Francisco to Bali flights — US$839
- San Francisco to Bucharest flights — US$683
- San Francisco to Warsaw flights — US$714
- San Francisco to Phuket flights — US$812
- San Francisco to Dublin flights — US$696
All flights to Cancun · All flights from San Francisco
Prices last checked: 2026-09-25, 6:12:40 a.m.. Prices are indicative and change quickly — confirm on the airline site before booking. See how I find these deals.