$224+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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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”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Monday
Cheap flight deals from Cancún to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Cancún to San FranciscoExplore 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 May 6, 2026.
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 May 6, 2026.
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/13:35 pm
CUN
- SFO
1 stop10h 52m
Frontier
Wed 7/812:33 pm
SFO
- CUN
1 stop22h 16m
Frontier
Deal found 5/6![Frontier logo]()
$338
This Frontier deal was found by Cheapflights users on 5/5. 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.
Sat 6/63:39 pm
CUN
- SFO
1 stop10h 44m
Frontier
Sat 6/139:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/5![Frontier logo]()
$346
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:39 pm
CUN
- SFO
1 stop18h 22m
Frontier
Thu 6/46:00 am
SFO
- CUN
1 stop28h 04m
Frontier
Deal found 5/3![Frontier logo]()
$350
This Frontier deal was found by Cheapflights users on 5/4. 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.
Fri 9/43:35 pm
CUN
- SFO
1 stop10h 47m
Frontier
Sun 9/69:35 pm
SFO
- CUN
1 stop12h 33m
Frontier
Deal found 5/4![Frontier logo]()
$352
This Frontier deal was found by Cheapflights users on 5/2. 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 5/243:39 pm
CUN
- SFO
1 stop10h 44m
Frontier
Fri 5/2910:15 pm
SFO
- CUN
1 stop13h 52m
Frontier
Deal found 5/2![Frontier logo]()
$358
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:35 pm
CUN
- SFO
1 stop10h 52m
Frontier
Thu 6/259:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/3![Frontier logo]()
$360
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:35 pm
CUN
- SFO
1 stop31h 23m
Frontier
Wed 6/2412:38 pm
SFO
- CUN
1 stop22h 10m
Frontier
Deal found 5/5![Frontier logo]()
$365
This Frontier deal was found by Cheapflights users on 5/3. 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 7/223:35 pm
CUN
- SFO
1 stop10h 43m
Frontier
Wed 8/510:10 pm
SFO
- CUN
1 stop13h 34m
Frontier
Deal found 5/3![Frontier logo]()
$373
This Frontier deal was found by Cheapflights users on 5/4. 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 7/223:35 pm
CUN
- SFO
1 stop10h 43m
Frontier
Tue 7/2810:10 pm
SFO
- CUN
1 stop13h 34m
Frontier
Deal found 5/4![Frontier logo]()
$374
Best flights from Cancún to San FranciscoDiscover carefully curated flight deals from Cancún to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
Discover carefully curated flight deals from Cancún to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. 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 7/2212:57 pm
CUN
- SFO
Nonstop5h 50m
United Airlines
Wed 8/58:46 am
SFO
- CUN
Nonstop5h 26m
United Airlines
Deal found 5/4![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 5/4. 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.
Wed 7/2212:35 pm
CUN
- SFO
1 stop11h 49m
Delta
Wed 8/56:50 am
SFO
- CUN
2 stops10h 37m
Delta
Deal found 5/4![Delta logo]()
$466
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sat 5/307:58 am
CUN
- SFO
1 stop11h 44m
United Airlines
Fri 6/57:56 pm
SFO
- CUN
1 stop16h 44m
United Airlines
Deal found 5/2![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/157:58 am
CUN
- SFO
1 stop12h 40m
United Airlines
Mon 6/229:00 pm
SFO
- CUN
1 stop13h 58m
United Airlines
Deal found 5/6![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/236:07 am
CUN
- SFO
2 stops11h 46m
Delta
Sat 6/2711:53 pm
SFO
- CUN
1 stop11h 42m
Delta
Deal found 5/4![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/236:07 am
CUN
- SFO
2 stops11h 46m
Delta
Tue 6/307:03 am
SFO
- CUN
1 stop10h 28m
Delta
Deal found 5/4![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 9/412:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Sun 9/68:51 am
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/1![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 5/3. 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 5/247:58 am
CUN
- SFO
1 stop14h 12m
United Airlines
Fri 5/298:46 am
SFO
- CUN
Nonstop5h 26m
United Airlines
Deal found 5/3![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 8/812:55 pm
CUN
- SFO
1 stop13h 37m
United Airlines
Wed 8/128:51 am
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/6![United Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 6/2312:57 pm
CUN
- SFO
Nonstop5h 50m
United Airlines
Tue 6/307:05 am
SFO
- CUN
1 stop10h 14m
United Airlines
Deal found 5/5![United Airlines logo]()
$529
Last-minute flights from Cancún to San FranciscoDiscover last-minute flight deals from Cancún to San Francisco. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Francisco. Data last updated May 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 5/2. 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 5/243:39 pm
CUN
- SFO
1 stop10h 44m
Frontier
Fri 5/2910:15 pm
SFO
- CUN
1 stop13h 52m
Frontier
Deal found 5/2![Frontier logo]()
$358
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/283:39 pm
CUN
- SFO
1 stop18h 22m
Frontier
Thu 6/46:00 am
SFO
- CUN
1 stop28h 04m
Frontier
Deal found 5/3![Frontier logo]()
$350
This Expedia deal was found by Cheapflights users on 5/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/53:39 pm
CUN
- SFO
1 stop10h 44m
Frontier
Thu 6/119:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/6![Frontier logo]()
$381
This Frontier deal was found by Cheapflights users on 5/5. 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.
Sat 6/63:39 pm
CUN
- SFO
1 stop10h 44m
Frontier
Sat 6/139:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/5![Frontier logo]()
$346
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 6/133:43 pm
CUN
- SFO
1 stop17h 15m
United Airlines
Sun 6/219:00 pm
SFO
- CUN
1 stop13h 58m
United Airlines
Deal found 5/4![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/153:43 pm
CUN
- SFO
1 stop17h 55m
United Airlines
Mon 6/2211:27 pm
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/6![United Airlines logo]()
$384
This Expedia deal was found by Cheapflights users on 5/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/173:35 pm
CUN
- SFO
1 stop31h 23m
Frontier
Wed 6/2412:38 pm
SFO
- CUN
1 stop22h 10m
Frontier
Deal found 5/5![Frontier logo]()
$365
This Expedia deal was found by Cheapflights users on 5/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/183:35 pm
CUN
- SFO
1 stop10h 52m
Frontier
Thu 6/259:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/3![Frontier logo]()
$360
This Frontier deal was found by Cheapflights users on 5/6. 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 6/233:35 pm
CUN
- SFO
1 stop10h 52m
Frontier
Sat 6/279:43 pm
SFO
- CUN
1 stop13h 05m
Frontier
Deal found 5/6![Frontier logo]()
$374
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 6/297:58 am
CUN
- SFO
1 stop15h 00m
Delta
Mon 7/612:35 am
SFO
- CUN
1 stop10h 25m
Delta
Deal found 5/6![Delta logo]()
$378
One-way flights from Cancún to San FranciscoSearch for one-way flight options from Cancún to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
Search for one-way flight options from Cancún to San Francisco. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 8/2912:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Deal found 5/6![United Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Mon 6/14:32 pm
CUN
- SFO
2 stops29h 04m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$227
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/167:58 am
CUN
- SFO
1 stop12h 58m
United Airlines
Deal found 5/1![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 5/6. 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 6/17:58 am
CUN
- SFO
1 stop12h 40m
United Airlines
Deal found 5/6![United Airlines logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/13:01 pm
CUN
- SFO
1 stop30h 12m
Frontier
Deal found 5/2![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Tue 6/163:20 pm
CUN
- SFO
2 stops30h 15m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Tue 6/99:50 pm
CUN
- SFO
2 stops23h 45m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Wed 6/1011:16 am
CUN
- SFO
2 stops34h 19m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Sun 6/149:50 pm
CUN
- SFO
2 stops23h 45m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Wed 6/103:35 pm
CUN
- SFO
2 stops28h 47m
Frontier
Deal found 5/3![Frontier logo]()
$244
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $338 (Expedia) |
One-way from | $224 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $495 |
Good round-trip deal | $430 or less |
Good one-way deal | $325 or less |
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 May 6, 2026.
Use the filters below to find and compare flights from Cancún to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Wed 7/22
12:57 pm-4:47 pm
Nonstop5h 50m
San Francisco
Wed 8/5
8:46 am-4:12 pm
Nonstop5h 26m
$377
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Sat 5/30
7:58 am-5:42 pm
1 stop11h 44m
San Francisco
Fri 6/5
7:56 pm-2:40 pm
1 stop16h 44m
$384
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Mon 6/15
7:58 am-6:38 pm
1 stop12h 40m
San Francisco
Mon 6/22
9:00 pm-12:58 pm
1 stop13h 58m
$384
Quickest round-trip
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Fri 9/4
12:57 pm-4:40 pm
Nonstop5h 43m
San Francisco
Sun 9/6
8:51 am-4:12 pm
Nonstop5h 21m
$461
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Wed 7/22
12:35 pm-10:24 pm
1 stop11h 49m
San Francisco
Wed 8/5
6:50 am-7:27 pm
2 stops10h 37m
$466
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Tue 6/23
6:07 am-3:53 pm
2 stops11h 46m
San Francisco
Sat 6/27
11:53 pm-1:35 pm
1 stop11h 42m
$467
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Tue 6/23
6:07 am-3:53 pm
2 stops11h 46m
San Francisco
Tue 6/30
7:03 am-7:31 pm
1 stop10h 28m
$467
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Sun 5/24
7:58 am-8:10 pm
1 stop14h 12m
San Francisco
Fri 5/29
8:46 am-4:12 pm
Nonstop5h 26m
$479
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Sat 8/8
12:55 pm-12:32 am
1 stop13h 37m
San Francisco
Wed 8/12
8:51 am-4:12 pm
Nonstop5h 21m
$480
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Tue 6/23
12:57 pm-4:47 pm
Nonstop5h 50m
San Francisco
Tue 6/30
7:05 am-7:19 pm
1 stop10h 14m
$529
Showing 1-10 of 19 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Cancún-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
CUN-SFO
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
Prices
Airlines
Delays
How far ahead should I book a flight from Cancún to San Francisco?
Booking 62 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 $326). Flying from Cancún to San Francisco in June is currently the most expensive (average of $541). 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 May 6, 2026.
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.
How often are flights from Cancún to San Francisco delayed?
About 17% of weekly flights between Cancún and San Francisco have experienced delays in the past year, with the average delay time being 173 minutes.
What is the most punctual flight time for Cancún to San Francisco flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Cancún to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
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
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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 May 6, 2026.
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.
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Comfort
7.3
Overall
7.4
Entertainment
7.1
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove
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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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$434 | FlexibilityNo cancel fee | On-time69% |