Flights from San Francisco to Cancun
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From $381 · Prices update daily
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The quick answer
Flights from San Francisco to Cancun start around $381 round-trip. Airlines on this route include: Southwest Airlines, Frontier Airlines, Aeromexico. Cheapest month: October; peak: September (about +24%). Visa-free for US passport holders (Mexico).
Price calendar — next 60 days
★ Cheapest: $381 on Wed, Jul 22 · F9
Lowest return fares · Prices update daily · Final price confirmed at booking
Price calendar — San Francisco to Cancun
Month-by-month lowest fares. Green = cheapest dates.
Flying to Cancun? Compare from other US cities
Sometimes a nearby airport is cheaper. See Cancun fares from other departure cities.
Mexico essentials
🟢 Visa-free for US passport holders · up to 180 days
Visa-free; an FMM tourist permit is issued on arrival.
Full Cancun visa guide →🆘 Emergency
911
💱 Currency
Mexican Peso (MX$)
🕐 Time zone
UTC−6 to −8
🗣️ Language
Spanish
🔌 Plugs
Type A/B · 127V
🚗 Driving
Right side
💡 Tipping
Expected — 10–15%
📞 Dial code
+52
🏛️ US Embassy
Mexico City · +52 55-5080-2000
Entry rules can change — always confirm with official sources before booking.
Stay connected in Cancun
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your San Francisco to Cancun trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Cancun
Pre-book your ride into Cancun. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your San Francisco to Cancun flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
San Francisco to Cancun — frequently asked
How much is a flight from San Francisco to Cancun?+
Fares start around $381 round-trip, ranging up to about $522 in peak periods. Prices update daily across 800+ airlines.
What is the cheapest month to fly San Francisco to Cancun?+
October typically has the lowest fares, while September is the most expensive (around +24%).
Are there direct flights from San Francisco to Cancun?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Which airlines fly from San Francisco to Cancun?+
Carriers on this route include Southwest Airlines, Frontier Airlines, Aeromexico. Compare them side by side in the search above.
Do US citizens need a visa for Mexico?+
Visa-free for US passport holders for stays up to 180 days. Visa-free; an FMM tourist permit is issued on arrival.
What currency is used in Mexico?+
The Mexican Peso (MXN, MX$). The emergency number is 911.
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