£181 Cheap Flights from San Francisco (SFO) to Cancun (CUN)

View £181 flight on Mon, 25 May 2026Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Cancun Intl. Airport (CUN)

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Cheap Flights from San Francisco (SFO) to Cancun (CUN)

Prices were available within the past 7 days and start at £181 for one-way flights and £217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Tue, 8 Sept - Wed, 16 Sept
SFO
San Francisco
CUN
Cancun
£217 Return, found 3 days ago
£217
Return
found 3 days ago
Select Aeromexico flight, departing Tue, 8 Sept from San Francisco to Cancun, returning Wed, 16 Sept, priced at £217 found 3 days ago
Aeromexico
Tue, 8 Sept - Wed, 16 Sept
SFO
San Francisco
CUN
Cancun
£221 Return, found 3 days ago
£221
Return
found 3 days ago
Select Aeromexico flight, departing Tue, 8 Sept from San Francisco to Cancun, returning Wed, 16 Sept, priced at £221 found 3 days ago
Aeromexico
Tue, 8 Sept - Wed, 16 Sept
SFO
San Francisco
CUN
Cancun
£225 Return, found 3 days ago
£225
Return
found 3 days ago
Select Aeromexico flight, departing Tue, 8 Sept from San Francisco to Cancun, returning Wed, 16 Sept, priced at £225 found 3 days ago
Aeromexico
Wed, 1 Jul - Thu, 9 Jul
SFO
San Francisco
CUN
Cancun
£225 Return, found 1 day ago
£225
Return
found 1 day ago
Select Aeromexico flight, departing Wed, 1 Jul from San Francisco to Cancun, returning Thu, 9 Jul, priced at £225 found 1 day ago
Aeromexico
Tue, 8 Sept - Wed, 16 Sept
SFO
San Francisco
CUN
Cancun
£229 Return, found 3 days ago
£229
Return
found 3 days ago
Select Aeromexico flight, departing Tue, 8 Sept from San Francisco to Cancun, returning Wed, 16 Sept, priced at £229 found 3 days ago
Aeromexico
Wed, 1 Jul - Wed, 8 Jul
SFO
San Francisco
CUN
Cancun
£229 Return, found 5 days ago
£229
Return
found 5 days ago
Select Aeromexico flight, departing Wed, 1 Jul from San Francisco to Cancun, returning Wed, 8 Jul, priced at £229 found 5 days ago
Delta
Thu, 27 Aug - Mon, 31 Aug
SFO
San Francisco
CUN
Cancun
£239 Return, found 2 days ago
£239
Return
found 2 days ago
Select Delta flight, departing Thu, 27 Aug from San Francisco to Cancun, returning Mon, 31 Aug, priced at £239 found 2 days ago
Alaska Airlines
Sat, 2 May - Tue, 5 May
SFO
San Francisco
CUN
Cancun
£362 Return, found 4 days ago
£362
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat, 2 May from San Francisco to Cancun, returning Tue, 5 May, priced at £362 found 4 days ago
American Airlines
Sun, 3 May - Wed, 6 May
SFO
San Francisco
CUN
Cancun
£402 Return, found 4 days ago
£402
Return
found 4 days ago
Select American Airlines flight, departing Sun, 3 May from San Francisco to Cancun, returning Wed, 6 May, priced at £402 found 4 days ago
United
Fri, 24 Jul - Sun, 26 Jul
SFO
San Francisco
CUN
Cancun
£406 Return, found 4 days ago
£406
Return
found 4 days ago
Select United flight, departing Fri, 24 Jul from San Francisco to Cancun, returning Sun, 26 Jul, priced at £406 found 4 days ago

Find the cheapest month to fly from San Francisco (SFO) to Cancun (CUN)

May is typically the cheapest month to fly

From £198 - £303 per traveller.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) cost?
One-way flights typically cost between £289 and £1,066 and return flights often range between £950 and £3,772. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Enter SFO to CUN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. DL offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
When flying from San Francisco International (SFO) to Cancun International (CUN), you'll find approximately 2 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 152 connecting flights daily. Some common connection points include Los Angeles Intl. (LAX), Dallas-Fort Worth Intl. (DFW), and Mexico City Intl. (MEX).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The earliest flight from San Francisco Intl. (SFO) to Cancun Intl. (CUN) typically departs at approximately 12:05 AM local time, operated by AV. This is a seasonal service active in March, April, May, June, July, August, September, and October. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
You'll find the most flights from San Francisco International Airport (SFO) to Cancun International Airport (CUN) on a Friday, with around 80 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and Delta Air Lines. Friday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
The most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) are in the early morning, from 6am to 9am. About 34% of passengers prefer this time. Many major carriers, including United Airlines, American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Cancun with plenty of time to settle in and begin your holiday.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
A nonstop flight from SFO to CUN typically takes around 5 hours 20 minutes, covering approximately 2,406 miles. Connecting flights on this route usually add 7 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
Select the "Business class" and "First class" filters when looking for SFO to CUN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
A direct, return business class ticket from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) typically costs between £1,940 - £2,554. A non-stop, one-way business class flight is usually around £820 - £839. You may also be able to find a cheaper business class journey between San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cancun from San Francisco Intl. (SFO)?
From San Francisco Intl. (SFO), you can fly directly into Cancun Intl. (CUN) to reach Cancun. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA) before reaching Cancun. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Cancun, Quintana Roo (CUN-Cancun Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, Air Canada, American Airlines, JetBlue Airways, United
Return price
£216
Distance
3849 km
Average flight time
7 hours 23 mins

Book with confidence

Compare flights from San Francisco to Cancun easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Cancun. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cancun Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Cancun Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Cancun Intl. (CUN)

The easiest way to view the best deals on flights from San Francisco to Cancun today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Cancun Intl. start at just £217 and range up to £406.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Cancun
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Cancun flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Cancun Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Francisco to Cancun easily and book with confidence

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*Available to Expedia members.