$302 Cheap United flights Cancun (CUN) to San Francisco (SFO)

You’ll discover cheap round-trip United Airlines flights from $580 from CUN to SFO by filtering your results from “Price (lowest to highest)” on Expedia. Or look for deals from $302 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

United Airlines flights to San Francisco are usually more affordable in the quieter months of February and April. Whether you need a round-trip or one-way ticket, you could land a better deal then.

Start your search for United Airlines flights from CUN to SFO about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class and itinerary, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Depart on one of United Airlines’s 14 direct weekly flights from Cancun Intl. Airport (CUN) to San Francisco Intl. Airport (SFO). To see your options, enter your origin, dates and destination and hit search. Next, apply the “Nonstop” and “Airline” filters.

It takes approximately 6h 3m to travel nonstop from Cancun Intl. Airport (CUN) to San Francisco Intl. Airport (SFO) with United Airlines.

Thursday has the most United Airlines flights from Cancun Intl. Airport (CUN) to San Francisco Intl. Airport (SFO). With 2 daily departures, this is a great day to book something that will fit your plans.

The earliest United Airlines flight from CUN to SFO departs at 1:10PM UTC-5, landing at 4:13PM UTC-8. If you prefer to jet off later in the day, the last United Airlines flight leaves CUN at 5:50PM UTC-5 and touches down at SFO at 8:53PM UTC-8. Flying before midday is generally a good option as morning and mid-morning flights are 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Hop on a United Airlines flight from Cancun Intl. Airport (CUN) to San Francisco, and you’ll likely come in to San Francisco Intl. Airport (SFO). This is the airline’s primary hub here.

A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to leave from CUN to SFO with United Airlines. Plus, when you join our One Key™ program, you can earn OneKeyCash™* alongside United Airlines’s loyalty program earnings. It’s yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Jet off on a United Airlines flight from Cancun Intl. Airport (CUN) to San Francisco Intl. Airport (SFO), and you’ll likely be flying on a Boeing 737 MAX 9. Keep in mind though, that the aircraft type can vary due to operational needs.

Typically, you can modify or cancel your flight, although additional fees may apply if you booked over 24 hours ago. Need flexible options? Use our “No cancel fee” or “Changes included” filter to find flights that won’t penalize you if you have to adjust your plans. To modify your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for further information.