$200+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SFO
Nov 27 — Dec 41
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 20 days in advance, depart on a Monday or Tuesday and return on a Sunday
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 October 28, 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 October 28, 2026.
This Aeromexico deal was found by Cheapflights users on 10/23. 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 12/39:24 am -
1 stop13h 41m
Mon 12/76:00 am -
1 stop12h 08m
Deal found 10/23![Aeromexico logo]()
$278
This Delta deal was found by Cheapflights users on 10/24. 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 12/26:09 am -
1 stop8h 29m
Sun 12/69:59 pm -
1 stop10h 14m
Deal found 10/24![Delta logo]()
$279
This Delta deal was found by Cheapflights users on 10/24. 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 11/215:05 pm -
1 stop8h 18m
Sat 11/285:50 am -
1 stop7h 15m
Deal found 10/24![Delta logo]()
$284
This Delta deal was found by Cheapflights users on 10/23. 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 11/206:49 am -
1 stop16h 06m
Sun 11/297:05 am -
1 stop8h 09m
Deal found 10/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/166:05 pm -
Nonstop6h 03m
Thu 12/318:45 am -
Nonstop5h 23m
Deal found 10/27![United Airlines logo]()
$321
This Aeromexico deal was found by Cheapflights users on 10/23. 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 12/18:46 pm -
2 stops23h 17m
Sat 12/511:59 pm -
1 stop18h 09m
Deal found 10/23![Aeromexico logo]()
$325
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/146:16 pm -
1 stop16h 04m
Thu 12/315:00 am -
1 stop7h 37m
Deal found 10/27![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/3011:59 pm -
1 stop9h 55m
Deal found 10/27![United Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/246:05 pm -
Nonstop6h 03m
Tue 12/18:45 am -
Nonstop5h 23m
Deal found 10/27![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 10/27. 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 10/27![United Airlines logo]()
$395
This American Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 11/195:34 pm -
1 stop10h 24m
Fri 11/275:23 am -
1 stop12h 51m
Deal found 10/23![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Wed 12/26:30 pm -
1 stop9h 15m
Sun 12/611:55 pm -
1 stop11h 54m
Deal found 10/24![American Airlines logo]()
$412
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 October 28, 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 October 28, 2026.
This Delta deal was found by Cheapflights users on 10/23. 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 12/243:06 pm -
1 stop11h 14m
Thu 12/316:31 am -
1 stop11h 05m
Deal found 10/23![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/3011:59 pm -
1 stop9h 55m
Deal found 10/27![United Airlines logo]()
$362
This Southwest deal was found by Cheapflights users on 10/26. 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.
Thu 12/38:20 am -
2 stops13h 30m
Mon 12/76:10 am -
1 stop7h 25m
Deal found 10/26![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 10/23. 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 12/238:20 am -
1 stop14h 30m
Wed 12/3010:55 pm -
1 stop9h 15m
Deal found 10/23![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 10/26. 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 10/26![United Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 10/23. 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 12/212:28 pm -
1 stop10h 42m
Sun 12/611:00 pm -
Nonstop5h 13m
Deal found 10/23![United Airlines logo]()
$492
Last-minute flights from Cancún to San FranciscoDiscover last-minute flight deals from Cancún to San Francisco. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Francisco. Data last updated October 28, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:10 pm -
1 stop31h 51m
Wed 11/252:00 pm -
1 stop30h 30m
Deal found 10/25![Air Canada logo]()
$530
This Frontier deal was found by Cheapflights users on 10/25. 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.
Mon 11/22:51 pm -
2 stops20h 28m
Fri 11/610:20 pm -
1 stop12h 21m
Deal found 10/25![Frontier logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/38:50 am -
1 stop26h 40m
Wed 11/259:23 pm -
2 stops40h 45m
Deal found 10/25![Multiple Airlines logo]()
$540
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/36:05 pm -
Nonstop6h 03m
Wed 11/259:24 pm -
1 stop15h 21m
Deal found 10/25![United Airlines logo]()
$587
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/48:00 am -
1 stop11h 06m
Wed 11/258:25 am -
1 stop12h 05m
Deal found 10/25![Air Canada logo]()
$496
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/63:10 pm -
1 stop25h 00m
Tue 11/108:25 am -
1 stop11h 20m
Deal found 10/25![Air Canada logo]()
$520
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/68:39 am -
1 stop9h 23m
Wed 11/2511:59 pm -
1 stop9h 55m
Deal found 10/25![United Airlines logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 10/23. 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.
Fri 11/62:45 pm -
1 stop24h 59m
Mon 11/910:23 pm -
2 stops24h 52m
Deal found 10/23![Multiple Airlines logo]()
$554
This Trip.com deal was found by Cheapflights users on 10/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:00 am -
1 stop16h 30m
Mon 11/98:25 am -
1 stop12h 05m
Deal found 10/23![Air Canada logo]()
$561
This Air Canada deal was found by Cheapflights users on 10/25. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:30 pm -
1 stop18h 40m
Wed 11/252:00 pm -
1 stop30h 30m
Deal found 10/25![Air Canada logo]()
$562
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/66:05 pm -
Nonstop6h 03m
Mon 11/910:45 pm -
1 stop10h 38m
Deal found 10/23![United Airlines logo]()
$596
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 October 28, 2026.
Search for one-way flight options from Cancún to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. 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 1/196:16 pm -
1 stop23h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![United Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 10/26. 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.
Mon 11/235:40 pm -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$208
This Southwest deal was found by Cheapflights users on 10/26. 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.
Wed 12/91:45 pm -
2 stops11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Southwest logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 12/146:55 am -
2 stops29h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/16:55 am -
2 stops29h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$225
This FlightHub deal was found by Cheapflights users on 10/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:18 pm -
1 stop17h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 10/25. 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 11/2412:26 pm -
2 stops25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Frontier logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/3011:25 pm -
2 stops37h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/1912:55 am -
2 stops17h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Multiple Airlines 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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $278 (Aeromexico) |
One-way from | $200 (United Airlines) |
Popular in | August |
Cheapest in | January |
Average price | $550 |
Good round-trip deal | $470 or less |
Good one-way deal | $311 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 October 28, 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
Thu 1/7
9:40 am-8:35 pm
2 stops13h 55m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$253
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Fri 1/15
4:10 pm-10:40 pm
1 stop9h 30m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$282
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Tue 1/19
9:40 am-9:30 pm
2 stops14h 50m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$287
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Tue 12/1
6:16 pm-9:51 am
1 stop18h 35m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$293
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Thu 12/24
3:06 pm-11:20 pm
1 stop11h 14m
San Francisco
Thu 12/31
6:31 am-8:36 pm
1 stop11h 05m
$319
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
11:59 pm-12:54 pm
1 stop9h 55m
$362
Quickest round-trip
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Sat 11/7
6:05 pm-9:08 pm
Nonstop6h 03m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$364
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Tue 1/19
6:05 pm-9:08 pm
Nonstop6h 03m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$379
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Sat 11/14
6:05 pm-9:08 pm
Nonstop6h 03m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$380
CancúnSan Francisco
CUN Cancun - SFO San Francisco
CUNSFO
Cancun
Mon 12/14
6:05 pm-9:08 pm
Nonstop6h 03m
San Francisco
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$410
Showing 1-10 of 14 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 October.
| 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 Canc ún-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
Delays
How far ahead should I book a flight from Cancún to San Francisco?
Booking 19 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 October 28, 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 October 28, 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.
Overall
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Overall
7.3
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.7
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.
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$491 | FlexibilityNo cancel fee | On-time69% |