$226+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Oct 1 — Oct 81
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 September 1, 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 September 1, 2026.
This Gotogate deal was found by Cheapflights users on 8/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop24h 40m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/28![Air Canada logo]()
$407
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:05 pm -
1 stop17h 11m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/30![Air Canada logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/248:39 am -
2 stops11h 42m
Tue 1/57:41 pm -
2 stops16h 49m
Deal found 8/30![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/242:49 pm -
1 stop8h 35m
Mon 9/286:50 pm -
1 stop16h 08m
Deal found 8/30![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/207:51 am -
1 stop11h 55m
Mon 11/24:01 pm -
1 stop12h 12m
Deal found 8/28![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/301:44 pm -
1 stop9h 42m
Fri 11/610:30 pm -
2 stops14h 07m
Deal found 9/1![United Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/231:43 pm -
2 stops10h 44m
Sun 10/254:45 pm -
2 stops15h 40m
Deal found 8/31![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 8/28. 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 12/307:00 am -
1 stop19h 51m
Thu 1/77:41 pm -
2 stops15h 02m
Deal found 8/28![United Airlines logo]()
$524
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 11/296:40 pm -
2 stops21h 00m
Sun 12/61:30 pm -
1 stop25h 20m
Deal found 9/1![WestJet logo]()
$540
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/231:12 pm -
1 stop10h 12m
Wed 9/308:00 am -
1 stop9h 19m
Deal found 8/28![United Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Mon 9/145:22 pm -
2 stops20h 13m
Mon 9/2110:30 pm -
1 stop12h 40m
Deal found 9/1![United Airlines logo]()
$544
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 September 1, 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 September 1, 2026.
This Mytrip deal was found by Cheapflights users on 8/29. 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.
Thu 10/155:20 pm -
1 stop24h 40m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/29![Air Canada logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 9/2412:11 pm -
1 stop12h 30m
Mon 9/286:28 pm -
2 stops13h 38m
Deal found 8/29![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/237:51 am -
2 stops14h 17m
Sat 10/2410:30 pm -
1 stop10h 53m
Deal found 8/30![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/30. 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 12/248:39 am -
2 stops11h 42m
Tue 1/57:41 pm -
1 stop8h 32m
Deal found 8/30![United Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/237:51 am -
1 stop15h 33m
Sun 10/2512:37 pm -
1 stop15h 36m
Deal found 8/31![United Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/207:51 am -
1 stop7h 26m
Mon 11/24:45 pm -
2 stops17h 49m
Deal found 8/28![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/1. 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 -
3 stops18h 40m
Fri 11/610:30 pm -
2 stops14h 07m
Deal found 9/1![United Airlines logo]()
$481
This United Airlines deal was found by Cheapflights users on 8/28. 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 12/307:00 am -
1 stop19h 51m
Thu 1/77:41 pm -
2 stops15h 02m
Deal found 8/28![United Airlines logo]()
$524
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated September 1, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated September 1, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Mon 9/145:22 pm -
2 stops20h 13m
Mon 9/211:24 pm -
2 stops18h 42m
Deal found 9/1![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 8/28. 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 9/231:12 pm -
1 stop10h 12m
Wed 9/308:00 am -
1 stop9h 19m
Deal found 8/28![United Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Thu 9/2412:11 pm -
1 stop12h 30m
Mon 9/286:28 pm -
2 stops13h 38m
Deal found 8/29![United Airlines logo]()
$476
This Gotogate deal was found by Cheapflights users on 8/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:20 pm -
1 stop24h 40m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/28![Air Canada logo]()
$407
This flygcity.se deal was found by Cheapflights users on 8/28. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:25 pm -
2 stops21h 53m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/28![Multiple Airlines logo]()
$560
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/207:51 am -
1 stop7h 26m
Mon 11/24:45 pm -
2 stops17h 49m
Deal found 8/28![United Airlines logo]()
$478
This Gotogate deal was found by Cheapflights users on 8/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:05 pm -
1 stop17h 11m
Sat 10/244:50 pm -
1 stop21h 20m
Deal found 8/30![Air Canada logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/31. 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 10/231:43 pm -
2 stops10h 44m
Sun 10/254:45 pm -
2 stops15h 40m
Deal found 8/31![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 9/1. 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 10/301:44 pm -
1 stop9h 42m
Fri 11/610:30 pm -
2 stops14h 07m
Deal found 9/1![United Airlines logo]()
$481
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 September 1, 2026.
Search for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated September 1, 2026.
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:25 am -
2 stops16h 24m
Deal found 8/28![Multiple Airlines logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 8/30. 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.
Fri 10/95:25 am -
2 stops37h 24m
Deal found 8/30![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 11/911:55 pm -
2 stops27h 02m
Deal found 8/28![Multiple Airlines logo]()
$231
This Trip.com deal was found by Cheapflights users on 8/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:35 pm -
1 stop26h 24m
Deal found 8/28![Air Canada logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 12/128:50 am -
2 stops30h 50m
Deal found 8/28![Multiple Airlines logo]()
$240
This Kiwi.com deal was found by Cheapflights users on 8/30. 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 10/135:25 am -
2 stops12h 33m
Deal found 8/30![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 11/610:20 am -
2 stops12h 27m
Deal found 8/29![Multiple Airlines logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 8/29. 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.
Wed 11/411:00 am -
2 stops35h 47m
Deal found 8/29![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/87:00 am -
2 stops14h 49m
Deal found 8/28![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 11/77:00 am -
2 stops19h 57m
Deal found 8/29![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 September 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $407 (Gotogate) |
One-way from | $226 (Trip.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 September 1, 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
Thu 10/15
5:20 pm-4:00 pm
1 stop24h 40m
San Diego
Sat 10/24
4:50 pm-4:10 pm
1 stop21h 20m
$429
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 9/24
12:11 pm-10:41 pm
1 stop12h 30m
San Diego
Mon 9/28
6:28 pm-10:06 am
2 stops13h 38m
$476
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 10/23
7:51 am-8:08 pm
2 stops14h 17m
San Diego
Sat 10/24
10:30 pm-11:23 am
1 stop10h 53m
$476
Quickest round-trip
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 12/24
8:39 am-5:21 pm
2 stops11h 42m
San Diego
Tue 1/5
7:41 pm-7:13 am
1 stop8h 32m
$476
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 10/23
7:51 am-9:24 pm
1 stop15h 33m
San Diego
Sun 10/25
12:37 pm-6:13 am
1 stop15h 36m
$477
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Tue 10/20
7:51 am-1:17 pm
1 stop7h 26m
San Diego
Mon 11/2
4:45 pm-1:34 pm
2 stops17h 49m
$478
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Fri 10/30
7:39 am-12:19 am
3 stops18h 40m
San Diego
Fri 11/6
10:30 pm-3:37 pm
2 stops14h 07m
$481
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Wed 12/30
7:00 am-11:51 pm
1 stop19h 51m
San Diego
Thu 1/7
7:41 pm-1:43 pm
2 stops15h 02m
$524
Cheapest one-way
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Sat 12/12
8:50 am-12:40 pm
2 stops30h 50m
$243
CancúnSan Diego
CUN Cancun - SAN San Diego
CUNSAN
Cancun
Thu 10/22
5:25 am-4:08 pm
2 stops12h 43m
$256
Showing 1-10 of 18 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 September.
| 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
Coronado
Poway
San Ysidro
La Mesa
Santee
Julian
Lemon Grove
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