$220+ Cheap flights from Cancún (CUN) to San Diego (SAN)
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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Cancún to San Diego 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.Cheap flight deals from Cancún to San Diego
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One-way
Cheapest flights from Cancún to San DiegoExplore the most affordable flight options available from Cancún to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Cancún to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Aeromexico deal was found by Cheapflights users on 7/30. 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 8/273:22 pm -
1 stop9h 38m
Mon 8/3110:25 pm -
1 stop13h 57m
Deal found 7/30![Aeromexico logo]()
$440
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/51:12 pm -
1 stop10h 13m
Mon 9/142:24 pm -
1 stop14h 17m
Deal found 7/30![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:49 pm -
1 stop8h 35m
Mon 9/285:00 pm -
2 stops15h 06m
Deal found 8/2![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/45:22 pm -
2 stops17h 43m
Tue 9/810:30 pm -
2 stops11h 32m
Deal found 7/31![United Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:05 pm -
1 stop9h 46m
Sat 9/197:44 pm -
2 stops13h 51m
Deal found 8/1![Delta logo]()
$482
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:51 am -
2 stops18h 38m
Fri 8/286:20 am -
2 stops10h 59m
Deal found 8/1![United Airlines logo]()
$485
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:25 am -
2 stops20h 26m
Sun 9/64:36 pm -
1 stop15h 24m
Deal found 8/1![Multiple Airlines logo]()
$489
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:00 am -
1 stop10h 02m
Wed 11/47:15 am -
1 stop11h 02m
Deal found 8/3![American Airlines logo]()
$492
This Aeromexico deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:20 am -
2 stops15h 34m
Mon 9/2810:54 am -
2 stops10h 44m
Deal found 8/2![Aeromexico logo]()
$521
Best flights from Cancún to San DiegoDiscover carefully curated flight deals from Cancún to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Cancún to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Aeromexico deal was found by Cheapflights users on 7/30. 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 8/278:01 am -
2 stops16h 59m
Mon 8/316:15 am -
2 stops12h 17m
Deal found 7/30![Aeromexico logo]()
$440
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/57:51 am -
2 stops11h 09m
Mon 9/147:41 pm -
2 stops14h 21m
Deal found 7/30![United Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 7/30. 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 1/146:16 pm -
2 stops17h 27m
Thu 1/215:00 pm -
2 stops15h 25m
Deal found 7/30![United Airlines logo]()
$461
This Aeromexico deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:05 am -
1 stop14h 55m
Mon 9/286:15 am -
2 stops17h 15m
Deal found 8/3![Aeromexico logo]()
$478
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:49 pm -
1 stop8h 35m
Mon 9/285:00 pm -
2 stops15h 06m
Deal found 8/2![United Airlines logo]()
$478
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated August 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:51 am -
2 stops16h 56m
Fri 8/2110:40 pm -
1 stop12h 30m
Deal found 8/1![United Airlines logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:51 am -
2 stops18h 38m
Fri 8/286:20 am -
2 stops10h 59m
Deal found 8/1![United Airlines logo]()
$485
This OneTravel deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:10 am -
2 stops35h 05m
Fri 8/284:36 pm -
2 stops43h 18m
Deal found 8/1![Frontier logo]()
$582
This Aeromexico deal was found by Cheapflights users on 7/30. 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 8/273:22 pm -
1 stop9h 38m
Mon 8/3110:25 pm -
1 stop13h 57m
Deal found 7/30![Aeromexico logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:25 am -
2 stops20h 26m
Sun 9/64:36 pm -
1 stop15h 24m
Deal found 8/1![Multiple Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/45:22 pm -
2 stops17h 43m
Tue 9/810:30 pm -
2 stops11h 32m
Deal found 7/31![United Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 7/30. 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 9/51:12 pm -
1 stop10h 13m
Mon 9/142:24 pm -
1 stop14h 17m
Deal found 7/30![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:05 pm -
1 stop9h 46m
Sat 9/197:44 pm -
2 stops13h 51m
Deal found 8/1![Delta logo]()
$482
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/242:49 pm -
1 stop8h 35m
Mon 9/285:00 pm -
2 stops15h 06m
Deal found 8/2![United Airlines logo]()
$478
This Aeromexico deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:20 am -
2 stops15h 34m
Mon 9/2810:54 am -
2 stops10h 44m
Deal found 8/2![Aeromexico logo]()
$521
One-way flights from Cancún to San DiegoSearch for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:00 am -
2 stops15h 48m
Deal found 8/2![Multiple Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am -
2 stops15h 17m
Deal found 8/3![Multiple Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:40 am -
2 stops28h 00m
Deal found 8/1![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:25 am -
2 stops29h 55m
Deal found 8/1![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:25 am -
2 stops29h 40m
Deal found 7/31![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:40 am -
2 stops15h 11m
Deal found 8/2![Multiple Airlines logo]()
$232
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:45 pm -
3 stops34h 03m
Deal found 8/1![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/305:25 am -
2 stops29h 40m
Deal found 7/31![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Sat 10/3110:40 am -
2 stops25h 22m
Deal found 7/30![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:25 am -
2 stops29h 40m
Deal found 8/2![Multiple Airlines logo]()
$252
Find flight deals from Cancún to San Diego
Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to San Diego (SAN). 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $440 (Aeromexico) |
One-way from | $220 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Cancún to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Cancún to San Diego that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 8/27
8:01 am-11:00 pm
2 stops16h 59m
San Diego
Mon 8/31
6:15 am-8:32 pm
2 stops12h 17m
$440
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 9/5
7:51 am-5:00 pm
2 stops11h 09m
San Diego
Mon 9/14
7:41 pm-12:02 pm
2 stops14h 21m
$461
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 1/14
6:16 pm-8:43 am
2 stops17h 27m
San Diego
Thu 1/21
5:00 pm-11:25 am
2 stops15h 25m
$461
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 9/24
8:05 am-9:00 pm
1 stop14h 55m
San Diego
Mon 9/28
6:15 am-1:30 am
2 stops17h 15m
$478
Quickest round-trip
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 9/24
2:49 pm-9:24 pm
1 stop8h 35m
San Diego
Mon 9/28
5:00 pm-10:06 am
2 stops15h 06m
$478
Cheapest one-way
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 9/24
7:00 am-8:17 pm
2 stops15h 17m
$222
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sun 9/27
5:25 am-11:51 pm
2 stops20h 26m
$254
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sun 8/30
11:16 am-8:14 pm
3 stops34h 58m
$264
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Tue 10/20
1:43 pm-1:17 pm
1 stop25h 34m
$277
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 9/24
2:10 pm-5:05 pm
1 stop28h 55m
$277
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Cancún to San Diego
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 Diego in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Cancún-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-San Diego flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Cancún-San Diego 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 Diego 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 Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Cancún with our price prediction graph.
CUN-SAN
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.
Related info for your journey
Find useful and relevant information for your journey from Cancún to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsEl Cajon
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Santee
San Ysidro
Julian
Lemon Grove
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