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$260+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Cancun to San Francisco are usually found in November or February, booked 52 days in advance, depart on a Friday or Saturday and return on a Tuesday

Cheap 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 junio 12, 2025.

Round-trip from

$342
(JetBlue)

One-way from

$260
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$585

Good round-trip deal

$535 or less

Good one-way deal

$302 or less
From Cancun to San Francisco
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One-way flight from Cancun to San Francisco
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Cancun to San Francisco.
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Price to beat on a one-way flight from Cancun to San Francisco.
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Find 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 junio 12, 2025.

This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/139:45 amCUN - SFO
1 stop11h 35mJetBlue
sáb. 9/2010:15 pmSFO - CUN
1 stop11h 35mJetBlue
Deal found 6/10$342
This Priceline deal was found by Cheapflights users on 6/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/103:25 pmCUN - SFO
1 stop10h 54mFrontier
lun. 7/216:37 amSFO - CUN
1 stop7h 43mFrontier
Deal found 6/11$363
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/254:10 pmCUN - SFO
2 stops33h 19mAlaska Airlines
lun. 9/296:00 amSFO - CUN
1 stop7h 00mAlaska Airlines
Deal found 6/12$409
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/510:41 amCUN - SFO
2 stops25h 29mMultiple Airlines
lun. 8/116:00 amSFO - CUN
1 stop7h 15mMultiple Airlines
Deal found 6/10$417
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 9/251:04 pmCUN - SFO
Nonstop5h 47mUnited Airlines
lun. 9/298:48 amSFO - CUN
Nonstop5h 24mUnited Airlines
Deal found 6/11$452
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 6/2411:34 amCUN - SFO
1 stop11h 24mDelta
lun. 6/306:50 pmSFO - CUN
2 stops12h 05mDelta
Deal found 6/11$498
This Aeromexico deal was found by Cheapflights users on 6/10. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/246:03 amCUN - SFO
2 stops13h 42mAeromexico
lun. 6/3012:01 pmSFO - CUN
2 stops11h 23mAeromexico
Deal found 6/10$507
This Avianca deal was found by Cheapflights users on 6/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/32:10 pmCUN - SFO
2 stops10h 35mAvianca
sáb. 10/1112:05 amSFO - CUN
2 stops11h 05mAvianca
Deal found 6/11$524
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/106:05 pmCUN - SFO
2 stops16h 31mAmerican Airlines
mar. 6/175:42 amSFO - CUN
1 stop9h 23mAmerican Airlines
Deal found 6/10$560
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/18:30 amCUN - SFO
2 stops12h 35mSouthwest
vie. 7/118:25 amSFO - CUN
2 stops10h 35mSouthwest
Deal found 6/10$597
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/116:15 pmCUN - SFO
1 stop8h 43mHawaiian Airlines
lun. 11/176:00 amSFO - CUN
1 stop9h 45mHawaiian Airlines
Deal found 6/11$647

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 junio 12, 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

sáb. 9/13

9:45 am-7:20 pm

1 stop11h 35m

San Francisco

sáb. 9/20

10:15 pm-11:50 am

1 stop11h 35m

$342

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

jue. 7/10

3:25 pm-12:19 am

1 stop10h 54m

San Francisco

lun. 7/21

6:37 am-4:20 pm

1 stop7h 43m

$363

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

jue. 9/25

4:10 pm-11:29 pm

2 stops33h 19m

San Francisco

lun. 9/29

6:00 am-3:00 pm

1 stop7h 00m

$409

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

mar. 8/5

10:41 am-10:10 am

2 stops25h 29m

San Francisco

lun. 8/11

6:00 am-3:15 pm

1 stop7h 15m

$417

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

jue. 9/25

1:04 pm-4:51 pm

Nonstop5h 47m

San Francisco

lun. 9/29

8:48 am-4:12 pm

Nonstop5h 24m

$452

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

mar. 6/24

11:34 am-8:58 pm

1 stop11h 24m

San Francisco

lun. 6/30

6:50 pm-8:55 am

2 stops12h 05m

$498

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

mar. 6/24

6:03 am-5:45 pm

2 stops13h 42m

San Francisco

lun. 6/30

12:01 pm-1:24 am

2 stops11h 23m

$507

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

vie. 10/3

2:10 pm-10:45 pm

2 stops10h 35m

San Francisco

sáb. 10/11

12:05 am-1:10 pm

2 stops11h 05m

$524

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

mar. 7/1

8:30 am-7:05 pm

2 stops12h 35m

San Francisco

vie. 7/11

8:25 am-9:00 pm

2 stops10h 35m

$597

CancúnSan Francisco

CUN - SFO

CUNSFO

Cancun

mar. 11/11

6:15 pm-11:58 pm

1 stop8h 43m

San Francisco

lun. 11/17

6:00 am-6:45 pm

1 stop9h 45m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 23 results
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The best insider tips for Cancún to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about CUNby Ramsey Qubein
SFO

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

Read more about SFOby Harriet Baskas
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

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 June 9, 2025.

Booking 52 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, January is the cheapest month in which you can book a flight from Cancún to San Francisco (average of $276). Flying from Cancún to San Francisco in June is currently the most expensive (average of $364). 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 junio 12, 2025.

It’s optimal to fly from Cancún to San Francisco in the morning. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight at noon.

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 at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Cancún to San Francisco

Explore weekly flight availability from Cancún to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from CUN to SFO are scheduled on a Monday (3 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 junio 12, 2025.
To help decide which airline to fly from Cancún to San Francisco, see what other customers have to say about Delta, Alaska Airlines and Southwest. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Southwest
8.0
Very good
4,287 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Hawaiian Airlines
7.9
Good
2,494 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,706 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 4 different airlines. 5h 45m 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?

    Flights from Cancun to San Francisco have been viewed 5 times in the past calendar month.

  • What are the cheapest airlines flying from Cancún to San Francisco round-trip?

    Flying on JetBlue is currently your cheapest option to San Francisco, with prices starting at $342. Additional round-trip tickets that might be worth considering are offered by Frontier and Alaska Airlines, with the lowest prices starting at $363 and $409, respectively. You may be able to fly from Cancún to San Francisco for 30% less than the average price by searching for these airlines.

  • 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 Frontier ($260), United Airlines ($261), and Alaska Airlines ($267).

  • 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 Hawaiian Airlines (91%), American Airlines (85%) and Alaska Airlines (85%).

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

    On average you can expect to pay $506 for a flight from Cancún to San Francisco. The cheapest flight overall is $173 while the most popular route, (Cancun - San Francisco) is currently priced at $342.

  • 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, January is the cheapest month in which you can book a flight from Cancún to San Francisco (average of $276). Flying from Cancún to San Francisco in June is currently the most expensive (average of $364). 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 Cancún?

Book flights to Cancún if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

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Top 4 airlines flying from Cancún to San Francisco

Discover the top 4 airlines 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
VivaCheapest$184Average$226FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$288Average$409FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$315Average$562FlexibilityNo cancel feeOn-time69%
DeltaCheapest$380Average$402FlexibilityNo cancel feeOn-timeN/A

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