Cheap Flights from San Francisco International to Cancun

Travellers and cabin class

Compare San Francisco International to Cancun flight deals

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

Book the best Cancun fare with no extra fees

Flight deals from San Francisco International to Cancun

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Cancun? 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 April.

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 foundRs42,785
Cheapest month to flyApril
Average flight time5 hrs, 20 mins
Most popular airlineUnited
Average flights per week37

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 Rs94,029. 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, Hawaiian Airlines and Alaska Airlines fly direct from San Francisco International to Cancun.
As of March 2025, there are 37 flights per week flying from San Francisco International to Cancun.
The cheapest month to fly from San Francisco International to Cancun is usually March 2025.
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 Wednesday, 7 May 2025.
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.

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

  • 5 hours 18 minutes is the average duration of a direct flight from San Francisco International Airport to Cancun International Airport. Cancun is 2 hours ahead of San Francisco and operates on the UTC-5 timezone.

  • Take your pick of 22 weekly flights from San Francisco International Airport to Cancun International Airport. The 07:00 departure with United Airlines is the earliest you can take from SFO to CUN. United Airlines operates the latest service of the day at 23:31 if early starts aren't your thing.

  • Travelling over a peak time like August? School holidays and other high seasons can result in longer queues and delays at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Visiting Cancun (and exploring more of Mexico!) is simple with United Airlines. This popular carrier offers direct flights from San Francisco International Airport to Cancun International Airport.

  • If you prefer a stopover for your flight from San Francisco International Airport to Cancun International Airport, just deselect 'Direct flights only' and look at all your options. These are the most popular stopovers between SFO and CUN:

    • Denver International Airport

    • Los Angeles International Airport

    • Phoenix Sky Harbour International Airport

  • Remember, you may need a visa to enter Mexico. Visa requirements vary and travel documentation requirements frequently change. Before booking your cheap ticket from SFO to CUN, check with your airline and your destination country's local consulate or embassy for the most up-to-date information.

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

  • The lowest price we've seen for a one-way ticket from San Francisco International Airport to Cancun International Airport is Rs42,340. For a return flight on this route, the best price is Rs94,029. Depending on the availability when you book, these fares can change.

  • Book 9 months before you want to travel. After crunching the numbers on our calendar, this is how far you'll want to book ahead to find cheap flights from SFO to CUN.

  • The cheapest month for tickets from San Francisco International Airport to Cancun International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have a flexible travel schedule.

  • Log into your online account or use the app to set up a Price Alert. We'll get in touch straight away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of looking for cheap flights from SFO to CUN every day.

  • Use filters to tailor your flights from San Francisco International Airport to Cancun International Airport. Select your ideal departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Handy information about San Francisco International Airport (SFO)

  • The journey from central San Francisco to San Francisco International Airport takes approximately 47 minutes by public transport. If you drive, ride-share or get a cab, you'll cover the 21 kilometres in 20 minutes or so, depending on traffic conditions.

  • After a convenient hotel near SFO? If you've booked an early flight from San Francisco International Airport to Cancun International Airport, these accommodation options will have you sleeping moments from your departure gate:

Arriving at Cancun International Airport (CUN)

Getting from Cancun International Airport (CUN) to central Cancun

  • Cancun International Airport to central Cancun takes around 26 minutes by car. It's approximately 19 kilometres away. Discover what options are available, such as car rentals, cabs or ride-sharing.

When to fly to Cancun International Airport (CUN)

  • July is the busiest month for flights from San Francisco International Airport to Cancun International Airport. To escape the crowds, visit Cancun in May.

  • The warmest month in Cancun is August, with temperatures ranging between 26ºC and 32ºC. Book your flights from San Francisco International Airport to Cancun International Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between 20ºC and 27ºC. Look for cheap flights from SFO to CUN sometime around then if you want to travel in cooler conditions.

More about Cancun

  • If you're looking for somewhere to rest your head, you'll find the most popular stays in Cancun right here. Explore these options once you've locked in your flight from SFO to CUN:

  • All great adventures should include some sightseeing. Playa Delfines, El Rey Ruins and Dubai Palace Casino are among the things you can't miss in Cancun.

Complete your Cancun trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've booked your cheap ticket to Cancun International Airport, browse our car rental deals that'll give you the freedom and flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Cancun stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.