$206+ Cheap flights from Cancún (CUN) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
Dec 10 — Dec 171
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 January or February, booked 39 days in advance, depart on a Monday or Tuesday 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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 12/31:45 pm -
Nonstop6h 07m
Mon 12/78:45 am -
Nonstop5h 23m
Deal found 11/6![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/216:05 pm -
Nonstop6h 03m
Wed 12/3011:00 pm -
Nonstop5h 13m
Deal found 11/7![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Wed 12/236:05 pm -
Nonstop6h 03m
Wed 12/308:55 pm -
1 stop14h 08m
Deal found 11/9![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 12/412:28 pm -
1 stop11h 04m
Mon 12/78:45 am -
Nonstop5h 23m
Deal found 11/6![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/1512:28 pm -
1 stop11h 04m
Tue 12/2910:35 pm -
1 stop18h 48m
Deal found 11/6![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/257:00 am -
1 stop12h 37m
Fri 1/14:35 pm -
1 stop11h 54m
Deal found 11/9![United Airlines logo]()
$352
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/191:45 pm -
Nonstop6h 07m
Tue 1/58:45 am -
Nonstop5h 23m
Deal found 11/9![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/18:39 am -
1 stop25h 41m
Fri 12/118:54 pm -
1 stop14h 09m
Deal found 11/6![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Tue 12/18:39 am -
1 stop25h 41m
Thu 12/318:45 am -
1 stop8h 38m
Deal found 11/8![United Airlines logo]()
$393
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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/195:12 pm -
Nonstop6h 07m
Mon 1/412:45 am -
1 stop11h 39m
Deal found 11/9![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 11/8. 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.
Thu 12/36:49 am -
1 stop16h 16m
Wed 12/97:05 am -
1 stop8h 09m
Deal found 11/8![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 12/215:12 pm -
Nonstop6h 07m
Wed 12/307:00 am -
1 stop10h 23m
Deal found 11/5![United Airlines logo]()
$346
This Delta deal was found by Cheapflights users on 11/9. 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 12/1911:26 am -
1 stop14h 36m
Tue 1/510:56 pm -
2 stops14h 24m
Deal found 11/9![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/236:05 pm -
Nonstop6h 03m
Wed 12/3011:00 pm -
Nonstop5h 13m
Deal found 11/5![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/257:00 am -
1 stop12h 37m
Fri 1/14:35 pm -
1 stop11h 54m
Deal found 11/9![United Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 11/8. 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.
Fri 12/1811:16 am -
1 stop15h 04m
Mon 12/2811:18 pm -
1 stop12h 49m
Deal found 11/8![Delta logo]()
$512
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Wed 4/1412:57 pm -
Nonstop5h 50m
Thu 4/1512:45 am -
1 stop9h 17m
Deal found 11/7![United Airlines logo]()
$513
Last-minute flights from Cancún to San FranciscoDiscover last-minute flight deals from Cancún to San Francisco. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Francisco. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/18:39 am -
1 stop25h 41m
Fri 12/118:54 pm -
1 stop14h 09m
Deal found 11/6![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Tue 12/18:39 am -
1 stop25h 41m
Thu 12/318:45 am -
1 stop8h 38m
Deal found 11/8![United Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Thu 12/31:45 pm -
Nonstop6h 07m
Mon 12/78:45 am -
Nonstop5h 23m
Deal found 11/6![United Airlines logo]()
$344
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Fri 12/412:28 pm -
1 stop11h 04m
Mon 12/78:45 am -
Nonstop5h 23m
Deal found 11/6![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/1512:28 pm -
1 stop11h 04m
Tue 12/2910:35 pm -
1 stop18h 48m
Deal found 11/6![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 12/191:45 pm -
Nonstop6h 07m
Tue 1/58:45 am -
Nonstop5h 23m
Deal found 11/9![United Airlines logo]()
$387
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Sun 12/204:10 pm -
Nonstop6h 07m
Thu 12/3111:00 pm -
Nonstop5h 13m
Deal found 11/9![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 11/7. 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 12/216:05 pm -
Nonstop6h 03m
Wed 12/3011:00 pm -
Nonstop5h 13m
Deal found 11/7![United Airlines logo]()
$345
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Wed 12/236:05 pm -
Nonstop6h 03m
Wed 12/3011:00 pm -
Nonstop5h 13m
Deal found 11/9![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/257:00 am -
1 stop12h 37m
Sat 1/210:38 am -
Nonstop5h 17m
Deal found 11/9![United Airlines logo]()
$352
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 November 10, 2026.
Search for one-way flight options from Cancún to San Francisco. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Aeromexico deal was found by Cheapflights users on 11/7. 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.
Sun 12/136:49 am -
1 stop16h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Aeromexico logo]()
$206
This Delta deal was found by Cheapflights users on 11/6. 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.
Thu 12/31:32 pm -
1 stop9h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$207
This Aeromexico deal was found by Cheapflights users on 11/10. 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.
Mon 12/219:24 am -
2 stops28h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Aeromexico logo]()
$208
This Kissandfly.com deal was found by Cheapflights users on 11/5. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/131:45 pm -
Nonstop6h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Lufthansa logo]()
$210
This Aeromexico deal was found by Cheapflights users on 11/8. 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.
Sun 2/217:31 pm -
2 stops21h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Aeromexico logo]()
$212
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 1/116:16 pm -
1 stop26h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 11/8. 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 2/1612:05 pm -
2 stops14h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Delta logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/710:25 am -
2 stops36h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$216
This Aeromexico deal was found by Cheapflights users on 11/9. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/198:39 pm -
2 stops20h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Aeromexico logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2211:39 am -
2 stops28h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Mon 1/111:18 pm -
2 stops22h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$226
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (United Airlines) |
One-way from | $206 (Aeromexico) |
Popular in | August |
Cheapest in | January |
Average price | $481 |
Good round-trip deal | $342 or less |
Good one-way deal | $288 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 7,457,451 searches. Data last updated November 10, 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 Cancun - SFO San Francisco
CUNSFO
Cancun
Tue 12/1
8:39 am-7:20 am
1 stop25h 41m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$271
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Sat 12/19
5:12 pm-8:19 pm
Nonstop6h 07m
San Francisco
Mon 1/4
12:45 am-3:24 pm
1 stop11h 39m
$346
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Thu 12/3
6:49 am-8:05 pm
1 stop16h 16m
San Francisco
Wed 12/9
7:05 am-6:14 pm
1 stop8h 09m
$346
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Mon 12/21
5:12 pm-8:19 pm
Nonstop6h 07m
San Francisco
Wed 12/30
7:00 am-8:23 pm
1 stop10h 23m
$346
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Sat 12/19
11:26 am-11:02 pm
1 stop14h 36m
San Francisco
Tue 1/5
10:56 pm-4:20 pm
2 stops14h 24m
$346
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Wed 12/23
6:05 pm-9:08 pm
Nonstop6h 03m
San Francisco
Wed 12/30
11:00 pm-7:13 am
Nonstop5h 13m
$347
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Fri 12/25
7:00 am-4:37 pm
1 stop12h 37m
San Francisco
Fri 1/1
4:35 pm-7:29 am
1 stop11h 54m
$352
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Sat 11/14
4:10 pm-7:17 pm
Nonstop6h 07m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$373
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Mon 11/23
8:20 am-3:30 pm
2 stops10h 10m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$377
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Mon 11/23
1:40 pm-11:59 pm
2 stops13h 19m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$380
Showing 1-10 of 20 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 38 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 $376). Flying from Cancún to San Francisco in August is currently the most expensive (average of $663). 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 November 10, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to San Francisco as you normally would.
How often are flights from Cancún to San Francisco delayed?
About 16% of weekly flights between Cancún and San Francisco have experienced delays in the past year, with the average delay time being 169 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 15% 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 November 10, 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.
Crew
8.1
Comfort
7.3
Overall
7.3
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Comfort
7.3
Overall
7.3
Entertainment
7.1
Boarding
7.7
Food
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$491 | FlexibilityNo cancel fee | On-time69% |