$167+ Cheap flights from San Francisco (SFO) to Cancún (CUN)
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CUN
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Cancún 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 San Francisco to Cancun are usually found in February or January, booked 83 days in advance, depart on a Monday or Sunday and return on a Wednesday
Cheap flight deals from San Francisco to Cancún
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to CancúnExplore the most affordable flight options available from San Francisco to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
Explore the most affordable flight options available from San Francisco to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 19, 2026.
This Aeromexico deal was found by Cheapflights users on 8/17. 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 12/58:00 am -
1 stop10h 10m
Sat 12/129:31 pm -
1 stop17h 07m
Deal found 8/17![Aeromexico logo]()
$498
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1111:59 pm -
1 stop8h 07m
Tue 9/152:49 pm -
1 stop8h 56m
Deal found 8/18![United Airlines logo]()
$499
This Faresmojo deal was found by Cheapflights users on 8/17. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:30 am -
2 stops12h 01m
Wed 9/211:30 am -
1 stop11h 40m
Deal found 8/17![AeroMexico Connect logo]()
$500
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Thu 9/1010:05 pm -
1 stop12h 32m
Sun 9/131:51 pm -
2 stops20h 23m
Deal found 8/19![Frontier logo]()
$501
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/1011:27 pm -
1 stop18h 34m
Wed 10/1412:45 pm -
1 stop13h 14m
Deal found 8/17![American Airlines logo]()
$502
This Kissandfly.com deal was found by Cheapflights users on 8/15. 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.
Mon 9/75:00 am -
1 stop7h 40m
Wed 9/1612:57 pm -
Nonstop5h 43m
Deal found 8/15![Lufthansa logo]()
$503
This Delta deal was found by Cheapflights users on 8/17. 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 11/77:05 am -
2 stops14h 23m
Thu 11/121:30 pm -
2 stops13h 29m
Deal found 8/17![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/188:51 am -
Nonstop5h 21m
Fri 9/251:12 pm -
1 stop9h 02m
Deal found 8/14![United Airlines logo]()
$505
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Thu 10/2210:14 pm -
1 stop12h 27m
Fri 10/302:24 pm -
1 stop31h 23m
Deal found 8/19![Frontier logo]()
$506
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/311:59 pm -
1 stop10h 34m
Tue 10/612:57 pm -
Nonstop5h 43m
Deal found 8/15![United Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 8/14. 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 10/29:55 pm -
1 stop10h 05m
Mon 10/54:05 pm -
1 stop9h 54m
Deal found 8/14![Delta logo]()
$508
This American Airlines deal was found by Cheapflights users on 8/17. 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 12/95:35 am -
1 stop8h 52m
Sun 12/133:56 pm -
1 stop11h 16m
Deal found 8/17![American Airlines logo]()
$509
Best flights from San Francisco to CancúnDiscover carefully curated flight deals from San Francisco to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
Discover carefully curated flight deals from San Francisco to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 19, 2026.
This Southwest deal was found by Cheapflights users on 8/19. 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 10/299:35 pm -
1 stop15h 25m
Mon 11/25:40 pm -
1 stop9h 25m
Deal found 8/19![Southwest logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/14. 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 10/3011:00 pm -
Nonstop5h 13m
Tue 11/34:34 pm -
1 stop9h 35m
Deal found 8/14![United Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 8/18. 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 11/79:54 am -
2 stops11h 34m
Tue 11/1712:26 pm -
2 stops14h 05m
Deal found 8/18![Delta logo]()
$552
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/811:00 pm -
Nonstop5h 13m
Sat 11/146:16 pm -
1 stop8h 48m
Deal found 8/14![United Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 8/17. 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 9/75:50 am -
2 stops10h 59m
Wed 9/1612:35 pm -
1 stop13h 22m
Deal found 8/17![Delta logo]()
$568
This Southwest deal was found by Cheapflights users on 8/15. 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 9/77:55 pm -
2 stops15h 15m
Wed 9/1612:50 pm -
2 stops10h 30m
Deal found 8/15![Southwest logo]()
$576
This Delta deal was found by Cheapflights users on 8/18. 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 9/268:59 pm -
2 stops13h 57m
Sat 10/312:40 pm -
2 stops12h 21m
Deal found 8/18![Delta logo]()
$573
This Southwest deal was found by Cheapflights users on 8/14. 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.
Tue 10/2711:40 pm -
1 stop11h 00m
Mon 11/21:50 pm -
2 stops12h 30m
Deal found 8/14![Southwest logo]()
$592
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/208:51 am -
Nonstop5h 21m
Tue 9/2912:57 pm -
Nonstop5h 43m
Deal found 8/19![United Airlines logo]()
$596
This Delta deal was found by Cheapflights users on 8/17. 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 8/316:25 pm -
2 stops15h 10m
Thu 9/38:00 am -
1 stop15h 10m
Deal found 8/17![Delta logo]()
$591
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/78:51 am -
Nonstop5h 21m
Wed 9/1612:57 pm -
Nonstop5h 43m
Deal found 8/16![United Airlines logo]()
$598
This United Airlines deal was found by Cheapflights users on 8/15. 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 10/118:51 am -
Nonstop5h 21m
Thu 10/152:20 pm -
1 stop9h 27m
Deal found 8/15![United Airlines logo]()
$606
Last-minute flights from San Francisco to CancúnDiscover last-minute flight deals from San Francisco to Cancún. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Cancún. Data last updated August 19, 2026 and is based on user searches.
This Faresmojo deal was found by Cheapflights users on 8/17. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:30 am -
2 stops12h 01m
Wed 9/211:30 am -
1 stop11h 40m
Deal found 8/17![AeroMexico Connect logo]()
$500
This Kissandfly.com deal was found by Cheapflights users on 8/15. 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.
Mon 9/75:00 am -
1 stop7h 40m
Wed 9/1612:57 pm -
Nonstop5h 43m
Deal found 8/15![Lufthansa logo]()
$503
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1012:45 am -
1 stop9h 17m
Tue 9/151:43 pm -
1 stop8h 27m
Deal found 8/18![United Airlines logo]()
$499
This FlightHub deal was found by Cheapflights users on 8/19. 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.
Thu 9/1010:05 pm -
1 stop12h 32m
Sun 9/131:51 pm -
2 stops20h 23m
Deal found 8/19![Frontier logo]()
$501
This Frontier deal was found by Cheapflights users on 8/14. 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.
Thu 9/1010:05 pm -
1 stop12h 32m
Thu 9/171:51 pm -
2 stops12h 23m
Deal found 8/14![Frontier logo]()
$507
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/1012:07 pm -
2 stops19h 48m
Sat 9/197:15 pm -
1 stop19h 00m
Deal found 8/18![Multiple Airlines logo]()
$510
This Justfly.com deal was found by Cheapflights users on 8/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:05 pm -
1 stop12h 32m
Fri 9/181:51 pm -
1 stop31h 57m
Deal found 8/18![Frontier logo]()
$512
This Delta deal was found by Cheapflights users on 8/16. 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 9/1111:30 pm -
1 stop18h 20m
Mon 9/144:05 pm -
1 stop9h 54m
Deal found 8/16![Delta logo]()
$508
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/1812:45 am -
1 stop9h 17m
Sat 9/2612:57 pm -
Nonstop5h 43m
Deal found 8/18![United Airlines logo]()
$498
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/188:51 am -
Nonstop5h 21m
Fri 9/251:12 pm -
1 stop9h 02m
Deal found 8/14![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 8/17. 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 9/1910:59 pm -
2 stops11h 57m
Sat 10/312:40 pm -
2 stops12h 21m
Deal found 8/17![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/305:00 am -
1 stop7h 37m
Sat 10/32:20 pm -
1 stop8h 16m
Deal found 8/18![United Airlines logo]()
$509
One-way flights from San Francisco to CancúnSearch for one-way flight options from San Francisco to Cancún. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
Search for one-way flight options from San Francisco to Cancún. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/107:17 pm -
2 stops25h 40m
Deal found 8/14![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/1412:07 pm -
2 stops21h 57m
Deal found 8/17![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/286:02 pm -
2 stops16h 02m
Deal found 8/16![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 11/99:18 am -
2 stops25h 59m
Deal found 8/14![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/1012:07 pm -
2 stops19h 48m
Deal found 8/18![Multiple Airlines logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/2112:07 pm -
2 stops24h 21m
Deal found 8/17![Multiple Airlines logo]()
$183
This Super.com deal was found by Cheapflights users on 8/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:14 pm -
1 stop12h 27m
Deal found 8/18![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 8/17. 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 9/2010:05 pm -
1 stop12h 32m
Deal found 8/17![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 9/299:00 am -
2 stops22h 55m
Deal found 8/16![Multiple Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 11/165:01 pm -
1 stop17h 33m
Deal found 8/18![American Airlines logo]()
$187
Find flight deals from San Francisco to Cancún
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Cancún (CUN). 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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $498 (Aeromexico) |
One-way from | $167 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $647 |
Good round-trip deal | $614 or less |
Good one-way deal | $323 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Cancún 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 August 19, 2026.
Use the filters below to find and compare flights from San Francisco to Cancún that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Thu 10/29
9:35 pm-3:00 pm
1 stop15h 25m
Cancun
Mon 11/2
5:40 pm-12:05 am
1 stop9h 25m
$518
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Fri 10/30
11:00 pm-6:13 am
Nonstop5h 13m
Cancun
Tue 11/3
4:34 pm-11:09 pm
1 stop9h 35m
$534
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Sun 11/8
11:00 pm-7:13 am
Nonstop5h 13m
Cancun
Sat 11/14
6:16 pm-12:04 am
1 stop8h 48m
$543
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Sat 11/7
9:54 am-12:28 am
2 stops11h 34m
Cancun
Tue 11/17
12:26 pm-11:31 pm
2 stops14h 05m
$552
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Mon 9/7
5:50 am-6:49 pm
2 stops10h 59m
Cancun
Wed 9/16
12:35 pm-11:57 pm
1 stop13h 22m
$568
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Sat 9/26
8:59 pm-12:56 pm
2 stops13h 57m
Cancun
Sat 10/3
12:40 pm-11:01 pm
2 stops12h 21m
$573
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Mon 9/7
7:55 pm-1:10 pm
2 stops15h 15m
Cancun
Wed 9/16
12:50 pm-9:20 pm
2 stops10h 30m
$576
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Mon 8/31
6:25 pm-11:35 am
2 stops15h 10m
Cancun
Thu 9/3
8:00 am-9:10 pm
1 stop15h 10m
$591
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Tue 10/27
11:40 pm-12:40 pm
1 stop11h 00m
Cancun
Mon 11/2
1:50 pm-11:20 pm
2 stops12h 30m
$592
Quickest round-trip
San FranciscoCancún
SFO San Francisco - CUN Cancun
SFOCUN
San Francisco
Sun 9/20
8:51 am-4:12 pm
Nonstop5h 21m
Cancun
Tue 9/29
12:57 pm-4:40 pm
Nonstop5h 43m
$596
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Cancún
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 San Francisco to Cancún in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Cancún flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Cancún 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 San Francisco-Cancún 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 San Francisco to Cancún
Have a flexible travel schedule? Discover the best time to fly to Cancún from San Francisco with our price prediction graph.
SFO-CUN
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 San Francisco to Cancún
Prices
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How far ahead should I book a flight from San Francisco to Cancún?
Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Cancún. 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 San Francisco to Cancún?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Cancún (average of $522). Flying from San Francisco to Cancún in December is currently the most expensive (average of $751). 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 SFO to CUN?
Find hourly flight availability from San Francisco to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 19, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Cancún as you normally would.
How often are flights from San Francisco to Cancún delayed?
About 17% of weekly flights between San Francisco and Cancún have experienced delays in the past year, with the average delay time being 145 minutes.
What is the most punctual flight time for San Francisco to Cancún flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday 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 San Francisco to Cancún flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
What’s the top layover airport for flights from San Francisco to Cancún?
Share of 1-stop round-trip flights from San Francisco to Cancún chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 33% of 1-stop itineraries from San Francisco to Cancún on Cheapflights.
What’s the cheapest layover airport for flights from San Francisco to Cancún?
Average round-trip fare for 1-stop flights from San Francisco to Cancún, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Mexico City (MEX) is the most affordable 1-stop option, with an average round-trip price of $428.
What’s the fastest layover option from San Francisco to Cancún?
Shortest average travel time for 1-stop one-way flights from San Francisco to Cancún, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 6h 57m.
Which airport typically offers the quickest layover for flights from San Francisco to Cancún?
Average layover duration for 1-stop one-way flights from San Francisco to Cancún, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Phoenix (PHX) offer the fastest connection on this route, with an average layover time of 1h 13m.
The best insider tips for San Francisco to Cancún 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 San Francisco to Cancún trip
Our travel experts
Reviews of airlines servicing Cancún
Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated August 19, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from San Francisco to Cancún by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Boarding
8.1
Food
7.0
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Cancún. 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 Cancún?
Book flights to Cancún if you plan to visit one of these locationsPuerto Aventuras
Punta Sam
Holbox
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Other flights to Cancún
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San Francisco and Cancún flights
Browse other San Francisco and Cancún flight options. Last updated on August 19, 2026.
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Top 10 airlines flying from San Francisco to Cancún
Discover the top 10 airlines that operate flights from San Francisco to Cancún. 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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$516 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$184 | Average$398 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$212 | Average$463 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$255 | Average$526 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$549 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$362 | Average$568 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$365 | Average$653 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$367 | Average$582 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$375 | Average$676 | FlexibilityNo cancel fee | On-time71% |