$236+ Cheap flights from Cancún (CUN) to San Diego (SAN)
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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Nov 29 — Dec 61
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 October 30, 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 October 30, 2026.
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:35 pm -
1 stop24h 35m
Sun 12/135:00 pm -
1 stop20h 55m
Deal found 10/30![Air Canada logo]()
$480
This Air Canada deal was found by Cheapflights users on 10/29. 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 12/46:35 pm -
1 stop24h 35m
Sat 12/125:00 pm -
1 stop20h 55m
Deal found 10/29![Air Canada logo]()
$482
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:26 am -
2 stops25h 53m
Sun 12/136:30 am -
2 stops24h 48m
Deal found 10/30![Frontier logo]()
$493
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:35 pm -
1 stop24h 35m
Thu 12/105:00 pm -
1 stop20h 55m
Deal found 10/27![Air Canada logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/48:39 am -
1 stop12h 10m
Mon 12/76:23 pm -
1 stop9h 50m
Deal found 10/30![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/412:28 pm -
1 stop8h 21m
Sun 12/134:45 pm -
2 stops15h 35m
Deal found 10/30![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/48:39 am -
1 stop12h 10m
Sat 12/124:18 pm -
2 stops16h 02m
Deal found 10/29![United Airlines logo]()
$513
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 12/16:16 pm -
1 stop24h 44m
Sat 12/56:20 am -
1 stop7h 10m
Deal found 10/27![United Airlines logo]()
$518
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Tue 11/38:00 am -
1 stop11h 25m
Sat 11/712:55 pm -
1 stop31h 35m
Deal found 10/29![Air Canada logo]()
$569
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 October 30, 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 October 30, 2026.
This Air Canada deal was found by Cheapflights users on 10/29. 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 12/46:35 pm -
1 stop24h 35m
Sat 12/125:00 pm -
1 stop20h 55m
Deal found 10/29![Air Canada logo]()
$482
This United Airlines deal was found by Cheapflights users on 10/28. 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 2/103:07 pm -
1 stop8h 01m
Mon 2/152:41 pm -
1 stop13h 48m
Deal found 10/28![United Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/48:39 am -
1 stop12h 10m
Mon 12/76:23 pm -
1 stop9h 50m
Deal found 10/30![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 12/412:28 pm -
1 stop8h 21m
Sun 12/134:45 pm -
2 stops15h 35m
Deal found 10/30![United Airlines logo]()
$511
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated October 30, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/29. 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.
Tue 11/38:00 am -
1 stop11h 25m
Sat 11/712:55 pm -
1 stop31h 35m
Deal found 10/29![Air Canada logo]()
$569
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/33:00 pm -
2 stops28h 25m
Sat 11/74:53 pm -
3 stops17h 48m
Deal found 10/29![Multiple Airlines logo]()
$676
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:35 am -
1 stop27h 25m
Sat 11/712:55 pm -
1 stop31h 35m
Deal found 10/30![Air Canada logo]()
$630
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/58:00 am -
1 stop31h 00m
Sat 11/76:25 am -
2 stops25h 43m
Deal found 10/30![Multiple Airlines logo]()
$711
This American Airlines deal was found by Cheapflights users on 10/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop8h 11m
Sat 11/74:31 pm -
1 stop16h 47m
Deal found 10/30![American Airlines logo]()
$703
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/612:28 pm -
2 stops12h 59m
Sat 11/710:30 pm -
2 stops13h 54m
Deal found 10/30![United Airlines logo]()
$720
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:30 am -
3 stops26h 41m
Sat 11/74:53 pm -
3 stops17h 48m
Deal found 10/30![Multiple Airlines logo]()
$846
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 October 30, 2026.
Search for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1811:40 am -
2 stops53h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1311:50 am -
2 stops29h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/2212:26 pm -
2 stops22h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1211:55 pm -
2 stops19h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1611:00 am -
2 stops54h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1511:39 am -
3 stops29h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/147:00 am -
2 stops19h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/1511:38 am -
2 stops31h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 1/131:56 pm -
3 stops27h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 1/911:40 am -
2 stops15h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Multiple Airlines logo]()
$274
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $480 (Air Canada) |
One-way from | $236 (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 7,457,451 searches. Data last updated October 30, 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 Cancun - SAN San Diego
CUNSAN
Cancun
Sun 11/22
6:18 pm-9:10 am
1 stop17h 52m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$275
Quickest round-trip
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Wed 1/13
3:07 pm-8:08 pm
1 stop8h 01m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$287
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 1/7
6:16 pm-4:09 pm
1 stop24h 53m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$291
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Sun 1/17
12:15 pm-7:36 pm
1 stop10h 21m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$297
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Sun 3/21
1:55 pm-10:31 pm
1 stop10h 36m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$297
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Sat 1/9
8:30 am-4:30 pm
1 stop11h 00m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$306
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Sun 11/22
1:45 pm-8:37 pm
1 stop9h 52m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$306
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 12/4
6:35 pm-4:10 pm
1 stop24h 35m
San Diego
Sat 12/12
5:00 pm-4:55 pm
1 stop20h 55m
$482
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Wed 2/10
3:07 pm-8:08 pm
1 stop8h 01m
San Diego
Mon 2/15
2:41 pm-7:29 am
1 stop13h 48m
$507
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 12/4
8:39 am-5:49 pm
1 stop12h 10m
San Diego
Mon 12/7
6:23 pm-7:13 am
1 stop9h 50m
$509
Showing 1-10 of 11 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | 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
National City
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San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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