$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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
Jun 11 — Jun 181
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 12, 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 12, 2026.
This Delta deal was found by Cheapflights users on 5/8. 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
1 stop8h 18m
Delta
Tue 6/307:03 am
SFO
- CUN
1 stop11h 23m
Delta
Deal found 5/8![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 5/7. 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.
Fri 9/256:03 am
CUN
- SFO
1 stop8h 39m
Delta
Sat 10/311:45 pm
SFO
- CUN
1 stop18h 30m
Delta
Deal found 5/7![Delta logo]()
$294
This Delta deal was found by Cheapflights users on 5/7. 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 7/222:10 pm
CUN
- SFO
2 stops11h 42m
Delta
Wed 8/57:03 am
SFO
- CUN
1 stop10h 24m
Delta
Deal found 5/7![Delta logo]()
$300
This Delta deal was found by Cheapflights users on 5/8. 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
1 stop8h 18m
Delta
Sat 6/2711:53 pm
SFO
- CUN
1 stop11h 42m
Delta
Deal found 5/8![Delta logo]()
$317
This Delta deal was found by Cheapflights users on 5/7. 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 9/266:03 am
CUN
- SFO
1 stop8h 39m
Delta
Sat 10/311:45 pm
SFO
- CUN
1 stop18h 30m
Delta
Deal found 5/7![Delta logo]()
$318
This Delta deal was found by Cheapflights users on 5/7. 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 9/288:00 am
CUN
- SFO
1 stop16h 39m
Delta
Wed 9/306:00 am
SFO
- CUN
1 stop12h 15m
Delta
Deal found 5/7![Delta logo]()
$324
This Frontier deal was found by Cheapflights users on 5/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:35 pm
CUN
- SFO
1 stop10h 47m
Frontier
Sat 8/299:35 pm
SFO
- CUN
1 stop12h 33m
Frontier
Deal found 5/11![Frontier logo]()
$326
This Orbitz deal was found by Cheapflights users on 5/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:02 am
CUN
- SFO
1 stop13h 55m
Frontier
Tue 9/110:15 pm
SFO
- CUN
1 stop13h 58m
Frontier
Deal found 5/10![Frontier logo]()
$333
This Expedia deal was found by Cheapflights users on 5/9. 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.
Sun 8/303:35 pm
CUN
- SFO
1 stop10h 47m
Frontier
Tue 9/110:15 pm
SFO
- CUN
1 stop13h 58m
Frontier
Deal found 5/9![Frontier logo]()
$339
This Aeromexico deal was found by Cheapflights users on 5/7. 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.
Fri 9/116:03 am
CUN
- SFO
2 stops13h 23m
Aeromexico
Fri 9/182:31 pm
SFO
- CUN
1 stop8h 58m
Aeromexico
Deal found 5/7![Aeromexico logo]()
$341
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 12, 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 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Wed 7/2212:57 pm
CUN
- SFO
Nonstop5h 50m
United Airlines
Tue 8/412:45 am
SFO
- CUN
1 stop11h 52m
United Airlines
Deal found 5/11![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 5/11. 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.
Wed 7/222:10 pm
CUN
- SFO
2 stops11h 42m
Delta
Wed 8/57:53 am
SFO
- CUN
1 stop10h 22m
Delta
Deal found 5/11![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 5/8. 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 6/2412:57 pm
CUN
- SFO
Nonstop5h 50m
United Airlines
Mon 6/2912:45 am
SFO
- CUN
1 stop11h 33m
United Airlines
Deal found 5/8![United Airlines logo]()
$378
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 8/2512:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Sat 8/298:51 am
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/11![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:03 am
CUN
- SFO
2 stops13h 03m
Delta
Tue 9/16:50 pm
SFO
- CUN
2 stops14h 45m
Delta
Deal found 5/10![Delta logo]()
$427
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 7/212:57 pm
CUN
- SFO
Nonstop5h 50m
United Airlines
Mon 7/611:27 pm
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/7![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 5/7. 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 stop15h 52m
United Airlines
Fri 5/2911:27 pm
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/7![United Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 5/9. 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 8/2812:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Thu 9/38:51 am
SFO
- CUN
Nonstop5h 21m
United Airlines
Deal found 5/9![United Airlines logo]()
$403
Last-minute flights from Cancún to San FranciscoDiscover last-minute flight deals from Cancún to San Francisco. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Francisco. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/8. 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 5/237:05 am
CUN
- SFO
1 stop17h 05m
Delta
Mon 6/111:51 pm
SFO
- CUN
1 stop17h 54m
Delta
Deal found 5/8![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 5/7. 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 5/274:15 pm
CUN
- SFO
1 stop10h 12m
Delta
Sat 5/307:15 am
SFO
- CUN
2 stops10h 28m
Delta
Deal found 5/7![Delta logo]()
$348
This Aeromexico deal was found by Cheapflights users on 5/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:08 am
CUN
- SFO
1 stop16h 02m
Aeromexico
Thu 6/42:50 pm
SFO
- CUN
1 stop8h 26m
Aeromexico
Deal found 5/11![Aeromexico logo]()
$362
This Aeromexico deal was found by Cheapflights users on 5/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/27:03 am
CUN
- SFO
1 stop17h 03m
Aeromexico
Tue 6/92:50 pm
SFO
- CUN
1 stop8h 26m
Aeromexico
Deal found 5/11![Aeromexico logo]()
$344
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/227:56 pm
SFO
- CUN
1 stop15h 02m
United Airlines
Deal found 5/9![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 5/8. 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
1 stop8h 18m
Delta
Tue 6/307:03 am
SFO
- CUN
1 stop11h 23m
Delta
Deal found 5/8![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 5/8. 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
1 stop8h 18m
Delta
Sat 6/2711:53 pm
SFO
- CUN
1 stop11h 42m
Delta
Deal found 5/8![Delta logo]()
$317
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 12, 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 12, 2026.
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Sat 8/2912:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Deal found 5/11![United Airlines logo]()
$224
This Delta deal was found by Cheapflights users on 5/9. 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 6/206:07 am
CUN
- SFO
1 stop8h 18m
Delta
Deal found 5/9![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 5/11. 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.
Sun 6/148:09 am
CUN
- SFO
1 stop15h 57m
Delta
Deal found 5/11![Delta logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 5/11. 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 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 5/11![Multiple Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Fri 9/1112:57 pm
CUN
- SFO
Nonstop5h 43m
United Airlines
Deal found 5/11![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 5/8. 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 8/296:03 am
CUN
- SFO
2 stops13h 03m
Delta
Deal found 5/8![Delta logo]()
$230
This United Airlines deal was found by Cheapflights users on 5/7. 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 5/7![United Airlines logo]()
$231
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/152:10 pm
CUN
- SFO
1 stop18h 48m
United Airlines
Deal found 5/7![United Airlines logo]()
$232
This Aeromexico deal was found by Cheapflights users on 5/8. 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.
Sat 8/156:03 am
CUN
- SFO
2 stops17h 56m
Aeromexico
Deal found 5/8![Aeromexico logo]()
$233
This United Airlines deal was found by Cheapflights users on 5/7. 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 6/167:58 am
CUN
- SFO
1 stop8h 55m
United Airlines
Deal found 5/7![United Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 5/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:30 pm
CUN
- SFO
2 stops13h 15m
Delta
Deal found 5/12![Delta logo]()
$235
This Aeromexico deal was found by Cheapflights users on 5/11. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:50 pm
CUN
- SFO
2 stops26h 29m
Aeromexico
Deal found 5/11![Aeromexico logo]()
$238
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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Delta) |
One-way from | $224 (United Airlines) |
Popular in | September |
Cheapest in | February |
Average price | $497 |
Good one-way deal | $340 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 12, 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
Tue 8/4
12:45 am-2:37 pm
1 stop11h 52m
$343
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Wed 7/22
2:10 pm-11:52 pm
2 stops11h 42m
San Francisco
Wed 8/5
7:53 am-8:15 pm
1 stop10h 22m
$349
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Wed 6/24
12:57 pm-4:47 pm
Nonstop5h 50m
San Francisco
Mon 6/29
12:45 am-2:18 pm
1 stop11h 33m
$378
Quickest round-trip
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Tue 8/25
12:57 pm-4:40 pm
Nonstop5h 43m
San Francisco
Sat 8/29
8:51 am-4:12 pm
Nonstop5h 21m
$379
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Thu 7/2
12:57 pm-4:47 pm
Nonstop5h 50m
San Francisco
Mon 7/6
11:27 pm-6:48 am
Nonstop5h 21m
$380
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Sun 5/24
7:58 am-9:50 pm
1 stop15h 52m
San Francisco
Fri 5/29
11:27 pm-6:48 am
Nonstop5h 21m
$385
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Fri 8/28
12:57 pm-4:40 pm
Nonstop5h 43m
San Francisco
Thu 9/3
8:51 am-4:12 pm
Nonstop5h 21m
$403
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Sat 8/29
6:03 am-5:06 pm
2 stops13h 03m
San Francisco
Tue 9/1
6:50 pm-11:35 am
2 stops14h 45m
$427
Cheapest one-way
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Tue 6/9
12:57 pm-4:47 pm
Nonstop5h 50m
$224
CancúnSan Francisco
CUN - SFO
CUNSFO
Cancun
Fri 7/10
12:57 pm-4:47 pm
Nonstop5h 50m
$226
Showing 1-10 of 18 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 September is currently the most expensive (average of $539). 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 12, 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 175 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
Our travel experts
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 12, 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.
Comfort
7.3
Overall
7.4
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Comfort
7.3
Overall
7.4
Entertainment
7.1
Boarding
7.7
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
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
Vallejo
San Lorenzo
Davis
Emeryville
Manteca
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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$434 | FlexibilityNo cancel fee | On-time69% |