$214+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Nov 2 — Nov 91
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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Best
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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 3, 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 3, 2026.
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:35 pm -
1 stop24h 20m
Sun 12/64:45 pm -
1 stop21h 10m
Deal found 10/2![Air Canada logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/412:28 pm -
2 stops10h 40m
Mon 12/77:41 pm -
2 stops14h 53m
Deal found 9/29![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/307:39 am -
2 stops16h 48m
Fri 11/64:45 pm -
2 stops15h 40m
Deal found 10/1![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop15h 15m
Sun 11/110:25 pm -
1 stop14h 00m
Deal found 10/1![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/18:39 am -
2 stops11h 38m
Fri 11/64:45 pm -
2 stops15h 40m
Deal found 10/1![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 10/1. 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.
Tue 12/298:20 am -
1 stop10h 15m
Tue 1/53:30 pm -
1 stop16h 45m
Deal found 10/1![Delta logo]()
$506
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 10/217:51 am -
1 stop11h 55m
Wed 10/2810:30 pm -
1 stop12h 29m
Deal found 10/1![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 10/2112:11 pm -
1 stop12h 30m
Fri 10/2310:30 pm -
2 stops12h 03m
Deal found 10/1![United Airlines logo]()
$546
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 12/297:00 am -
1 stop16h 17m
Tue 1/56:28 pm -
2 stops16h 06m
Deal found 10/1![United Airlines logo]()
$572
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 3, 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 3, 2026.
This Air Canada deal was found by Cheapflights users on 10/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:35 pm -
1 stop24h 20m
Sun 12/64:45 pm -
1 stop21h 10m
Deal found 10/2![Air Canada logo]()
$437
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/412:28 pm -
2 stops10h 40m
Mon 12/77:41 pm -
2 stops14h 53m
Deal found 9/29![United Airlines logo]()
$466
This Aeromexico deal was found by Cheapflights users on 9/28. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:04 am -
2 stops13h 26m
Mon 12/710:30 pm -
1 stop9h 43m
Deal found 9/28![Aeromexico logo]()
$470
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:26 pm -
2 stops14h 32m
Sun 12/69:50 pm -
1 stop14h 20m
Deal found 10/2![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Thu 1/282:44 pm -
2 stops12h 45m
Thu 2/45:18 pm -
1 stop16h 36m
Deal found 10/1![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop15h 15m
Sun 11/110:25 pm -
1 stop14h 00m
Deal found 10/1![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Tue 12/297:00 am -
1 stop16h 17m
Tue 1/56:28 pm -
2 stops16h 06m
Deal found 10/1![United Airlines logo]()
$572
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated October 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 10/21:43 pm -
2 stops11h 14m
Sun 10/410:30 pm -
1 stop13h 56m
Deal found 10/2![United Airlines logo]()
$629
This deal was found by Cheapflights users on 9/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:20 pm -
1 stop7h 48m
Mon 10/125:00 pm -
1 stop11h 41m
Deal found 9/30![United Airlines logo]()
$628
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 10/217:51 am -
1 stop11h 55m
Wed 10/2810:30 pm -
1 stop12h 29m
Deal found 10/1![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Wed 10/2112:11 pm -
1 stop12h 30m
Fri 10/2310:30 pm -
2 stops12h 03m
Deal found 10/1![United Airlines logo]()
$546
This eDestinos deal was found by Cheapflights users on 10/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:40 am -
3 stops29h 49m
Fri 10/238:34 pm -
2 stops38h 07m
Deal found 10/1![Multiple Airlines logo]()
$614
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 10/238:00 am -
1 stop15h 15m
Sun 11/110:25 pm -
1 stop14h 00m
Deal found 10/1![Delta logo]()
$474
This Southwest deal was found by Cheapflights users on 10/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:00 am -
2 stops9h 50m
Sun 11/16:35 am -
2 stops10h 10m
Deal found 10/1![Southwest logo]()
$585
This United Airlines deal was found by Cheapflights users on 10/1. 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 10/307:39 am -
2 stops16h 48m
Fri 11/64:45 pm -
2 stops15h 40m
Deal found 10/1![United Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Sun 11/18:39 am -
2 stops11h 38m
Fri 11/64:45 pm -
2 stops15h 40m
Deal found 10/1![United Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 11/2912:07 pm -
2 stops46h 13m
Sun 12/611:15 am -
2 stops31h 00m
Deal found 10/1![Multiple Airlines logo]()
$604
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 3, 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 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Fri 10/2312:07 pm -
2 stops30h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 12/16:55 am -
2 stops30h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/310:35 pm -
2 stops35h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Wed 12/210:20 am -
2 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Wed 11/256:50 am -
2 stops28h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Tue 10/205:25 am -
3 stops33h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/246:15 am -
2 stops12h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Mon 12/75:25 pm -
3 stops33h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$239
This FlightHub deal was found by Cheapflights users on 9/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:55 am -
1 stop24h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Frontier logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 9/29. 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.
Thu 10/2210:40 am -
2 stops28h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$243
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $437 (Air Canada) |
One-way from | $214 (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 3, 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
Tue 12/1
6:55 am-7:20 am
2 stops27h 25m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$222
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 10/22
3:38 pm-9:32 am
1 stop19h 54m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$272
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 10/30
2:11 pm-10:40 pm
1 stop10h 29m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$273
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 11/13
4:47 pm-9:26 pm
1 stop7h 39m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$273
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Wed 10/28
2:07 pm-5:17 pm
1 stop29h 10m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$273
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 10/29
6:49 am-7:14 pm
2 stops14h 25m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 12/3
1:40 pm-10:15 pm
1 stop11h 35m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
Quickest round-trip
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 10/30
6:05 pm-11:42 pm
1 stop7h 37m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Tue 10/27
7:39 am-10:59 am
1 stop29h 20m
San Diego
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$274
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Wed 12/2
6:35 pm-3:55 pm
1 stop24h 20m
San Diego
Sun 12/6
4:45 pm-4:55 pm
1 stop21h 10m
$437
Showing 1-10 of 16 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 |
- 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
Chula Vista
San Ysidro
Poway
Coronado
La Mesa
Julian
Santee
Lemon Grove
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