299 € Cheap Flights from San Francisco International to Cancun

Compare San Francisco International to Cancun flight deals

Find the cheapest month or even day of the year to fly to Cancun

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Flight deals from San Francisco International to Cancun

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Cancun Airport? If you want to travel next month, return fares start from 336 €. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from San Francisco International to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Cancun flights are currently cheapest in October.

Direct flights from San Francisco International to Cancun

San Francisco International to Cancun: Alternative routes

Compare routes from San Francisco International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

San Francisco to Cancun: Flight information

The things to know before you go.
Cheapest flight found299 €
Cheapest month to flyOctober
Average flight time5 hrs, 20 mins
Most popular airlineUnited
Average flights per week17

Finding cheap flights from San Francisco International to Cancun: Frequently asked questions

The best price we found for a return flight from San Francisco International to Cancun is 299 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
5 hours and 20 minutes is the average flight time from San Francisco International to Cancun.
United, Alaska Airlines and American Airlines fly direct from San Francisco International to Cancun.
As of July 2026, there are 17 flights per week flying from San Francisco International to Cancun.
The cheapest month to fly from San Francisco International to Cancun is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Cancun Airport on Monday, 5 October 2026.
Yes – the average flight time is 5 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and United offer the cheapest flight tickets to Cancun.

Travelling from San Francisco International Airport (SFO) to Cancun Airport (CUN): what you need to know

  • The average length of a direct flight from San Francisco International Airport to Cancun Airport is 5 hours 25 minutes.

  • Cancun's timezone is UTC-5, which makes Cancun three hours ahead of San Francisco.

  • Flights from SFO to CUN start from 07:00 — the first with United Airlines. The latest departure is at 23:55 with United Airlines. In total, you can take your pick of 14 weekly San Francisco International Airport to Cancun Airport flights.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your SFO to CUN flight.

  • During popular months like July, it's a good idea to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during a high season in general.

  • United offers direct flights from San Francisco International Airport to Cancun Airport. Book with this popular airline, then get ready to discover the sights in Cancun — and maybe even more of Mexico if time allows.

  • United is the top choice for travellers on this route.

  • United stands out as the most punctual carrier for SFO to CUN flights, with 84.78% of services landing on schedule.

  • Consider adding a stopover when booking your ticket from San Francisco International Airport to Cancun Airport. Just deselect 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here are some options between SFO and CUN:

    • Dallas Fort Worth International Airport

    • Denver International Airport

    • Los Angeles International Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Cancun Airport (CUN)

  • 112 € is the best price for a one-way San Francisco International Airport to Cancun Airport flight. Return flights start from 299 €. These fares may change based on availability.

  • To score cheap tickets from SFO to CUN, book as early as you can. Airlines typically offer lower fares when flights are first released.

  • May is the cheapest month for flights from San Francisco International Airport to Cancun Airport. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • You won't have to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as there's a change in price on cheap flights from SFO to CUN.

  • Discover the perfect flight for you by using the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from San Francisco International Airport to Cancun Airport, use the 'Sort by' function. You can also filter results by airline, departure and arrival times, and number of stops.

Handy information about San Francisco International Airport (SFO)

  • When it comes to the on-time performance of San Francisco International Airport, data shows 78% of flights arrive within the expected timeframe.

  • Central San Francisco to San Francisco International Airport is around 21 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • Taking public transport? Expect a journey time of around 35 minutes.

  • Catching an early flight from San Francisco International Airport to Cancun Airport? Avoid the hassle of rushing to the airport (and sneak in some extra precious sleep) by picking one of these stays close to SFO:

Arriving at Cancun Airport (CUN)

  • Consider booking a hotel near CUN if you're taking a late San Francisco International Airport to Cancun Airport flight. Settle into one of these accommodation options and make your arrival easier:

  • Grab a Cancun Airport rental car and explore Cancun and beyond with your own wheels. MEX, America and Europcar are well-known companies you can book with here.

  • To get the lowest price, book your ride from Cancun Airport about three weeks before travelling.

Getting from Cancun Airport (CUN) to central Cancun

  • From Cancun Airport, Cancun is approximately 16 kilometres away. It takes around 25 minutes to drive to the centre.

  • Getting there by public transport will take you around 35 minutes.

When to fly to Cancun Airport (CUN)

  • It's time to plan your dates for your flight from San Francisco International Airport to Cancun Airport. April is the busiest month to head to Cancun. If you want a quieter vibe, go in March.

  • Book your flight from San Francisco International Airport to Cancun Airport for August if you'd like to go to Cancun during its warmest month. Expect temperatures of between 26ºC (79ºF) and 32ºC (90ºF).

  • If you'd rather travel in cooler conditions, look for a cheap ticket from SFO to CUN in January. Temperatures average between 20ºC (68ºF) and 27ºC (81ºF) then.

Explore more of Mexico

  • Merida is just one of the many places in Mexico waiting to be discovered after you've experienced Cancun. Around 290 kilometres away to the west, top sights here include Chichen Itza, cenotes y pueblos magicos, Chichen-itza Park and Nva. Chichen Itza Park.

  • Around 418 kilometres west of Cancun, Campeche is another favourite stop in Mexico. Experience major highlights starting with Zona Arquelogica Edzna, Old City Wall and Plaza de la Independencia.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.