San Francisco

$195+ Cheap flights from Cancún (CUN) to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
Jan 17 — Jan 241
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Find cheap flights from Cancún to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Cancun to San Francisco are usually found in February or January, booked 63 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Cancún to San Francisco

Cheapest flights from Cancún to San Francisco
Explore the most affordable flight options available from Cancún to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:00 pmCUN - SFO
Nonstop6h 03mUnited Airlines
Mon 1/511:05 pmSFO - CUN
1 stop10h 25mUnited Airlines
Deal found 12/14$316
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:50 pmCUN - SFO
Nonstop6h 03mUnited Airlines
Sat 1/38:59 amSFO - CUN
Nonstop5h 21mUnited Airlines
Deal found 12/14$344
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:41 amCUN - SFO
1 stop19h 45mUnited Airlines
Sun 1/1111:59 pmSFO - CUN
1 stop10h 35mUnited Airlines
Deal found 12/17$352
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:58 pmCUN - SFO
1 stop10h 26mFrontier
Sun 1/115:44 pmSFO - CUN
2 stops20h 13mFrontier
Deal found 12/17$374
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:30 pmCUN - SFO
1 stop13h 15mDelta
Mon 1/512:40 amSFO - CUN
1 stop11h 35mDelta
Deal found 12/15$400
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:58 pmCUN - SFO
1 stop10h 26mFrontier
Sun 12/2811:20 pmSFO - CUN
1 stop11h 20mFrontier
Deal found 12/15$430
This Frontier deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:24 pmCUN - SFO
1 stop10h 07mFrontier
Sun 12/2811:20 pmSFO - CUN
1 stop11h 20mFrontier
Deal found 12/17$431

Find flight deals from Cancún to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$259
(Aeromexico)

One-way from

$195
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$482

Good round-trip deal

$203 or less

Good one-way deal

$281 or less
Provider with most accurate pricing for Cancun-San Francisco flight deals.
Provider most trusted by Cheapflights users for Cancun-San Francisco flights.
From Cancun to San Francisco
One-way flight from Cancun to San Francisco
Highest demand for flights based on searches. 13% potential increase in price ($75 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Cancun to San Francisco.
Price to beat on a one-way flight from Cancun to San Francisco.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Cancún to San Francisco that are best for you.

Fly from

Cancún

Fly to

San Francisco

Route

Depart

Return

Price

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/15

11:05 am-5:43 pm

1 stop9h 38m

San Francisco

Sun 1/18

6:00 am-9:11 pm

1 stop12h 11m

$264

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/15

3:13 pm-11:25 pm

1 stop11h 12m

San Francisco

Mon 1/19

10:54 pm-2:00 pm

1 stop12h 06m

$285

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/22

5:50 pm-8:53 pm

Nonstop6h 03m

San Francisco

Mon 1/26

11:59 pm-11:25 am

1 stop8h 26m

$287

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Fri 1/30

1:35 pm-4:38 pm

Nonstop6h 03m

San Francisco

Mon 2/2

11:01 pm-7:13 am

Nonstop5h 12m

$287

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/8

1:35 pm-4:38 pm

Nonstop6h 03m

San Francisco

Mon 1/12

5:00 am-3:59 pm

1 stop7h 59m

$287

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/8

1:35 pm-4:38 pm

Nonstop6h 03m

San Francisco

Tue 1/13

6:00 am-4:46 pm

1 stop7h 46m

$287

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/15

1:35 pm-4:38 pm

Nonstop6h 03m

San Francisco

Mon 1/19

7:10 pm-11:25 am

1 stop13h 15m

$288

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Thu 1/15

1:35 pm-4:38 pm

Nonstop6h 03m

San Francisco

Sat 1/17

12:43 am-3:59 pm

1 stop12h 16m

$288

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Sat 2/7

5:50 pm-8:53 pm

Nonstop6h 03m

$198

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

Sat 2/14

5:55 pm-9:12 pm

Nonstop6h 17m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 17 results
1
2

Compare providers for flights from Cancún to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cancún to San Francisco in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cancún-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cancún-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Cancún-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Cancún-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cancún to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Cancún with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cancún to San Francisco

How far ahead should I book a flight from Cancún to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Cancún to San Francisco. Price data was last updated on December 12, 2025.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Cancún to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Cancún to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Cancún to San Francisco (average of $280). Flying from Cancún to San Francisco in June is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CUN to SFO?

Find hourly flight availability from Cancún to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Cancún to San Francisco in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Cancún to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Cancún to San Francisco. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Cancún to San Francisco flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Cancún to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Cancún to San Francisco trip
Airports
CUN

CUN's terminals are crowded, so arrive early to navigate security and find seating. Consider pre-booking airport transfers to avoid taxi scams.

SFO

For a budget-friendly trip from SFO to downtown, use BART. It takes about 40 minutes and is the least expensive option.

Our travel experts
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on CUN

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown United Airlines from Cancún to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Cancún to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Cancún to San Francisco?

    San Francisco is the airport most travelers will use when flying to San Francisco from Cancun. Booking flights from Cancun (CUN) to San Francisco (SFO) should be relatively easy as there are 2 daily flights to San Francisco from 1 airline. 5h 47m is how long a flight from Cancún to San Francisco will take if you book a nonstop flight.

  • How popular is this Cancún to San Francisco flight route?

  • How long is the flight from Cancún to San Francisco?

    There are many flights that can get you from Cancún to San Francisco in 6h 03m. Fly via Aeromexico, Delta, or United Airlines to get the fastest option. There are 2404 mi between Cancún and San Francisco. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Cancún to San Francisco round-trip?

    Flying on United Airlines is currently your cheapest option to San Francisco, with prices starting at $280. You may be able to fly from Cancún to San Francisco for 41% less than the average price by searching for this airline.

  • What are the cheapest airlines to fly from Cancún to San Francisco one-way?

    The cheapest airlines for a one-way flight from Cancún to San Francisco are Viva ($142), Frontier ($177), and Aeromexico ($181).

  • What are the most reliable airlines from Cancún to San Francisco?

    The top 3 most reliable airlines when flying from Cancún to San Francisco are United Airlines (86%), American Airlines (75%) and Alaska Airlines (75%).

  • What are the cheapest flights from Cancún to San Francisco?

    On average you can expect to pay $416 for a flight from Cancún to San Francisco. The cheapest flight overall is $178 while the most popular route, (Cancun - San Francisco) is currently priced at $288.

  • Can I find deals for flights from Cancún to San Francisco that include hotel bookings?

    Yes. In addition to deals on Cancún to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cancún to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to San Francisco.

  • Can I find deals for business class flights from Cancún to San Francisco?

    Yes. Cheapflights offers flight deals from Cancún to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cancún to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Cancún to San Francisco (average of $280). Flying from Cancún to San Francisco in June is currently the most expensive (average of $516). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Top airline flying from Cancún to San Francisco

Discover the top airline that operate flights from Cancún to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$280Average$511FlexibilityNo cancel feeOn-time69%

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