$181+ 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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Apr 9 — Apr 161
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
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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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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 March 10, 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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/610:13 am
CUN
- SAN
1 stop15h 49m
Frontier
Sun 4/126:25 am
SAN
- CUN
1 stop26h 59m
Frontier
Deal found 3/5![Frontier logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/25:25 pm
CUN
- SAN
2 stops32h 37m
Frontier
Thu 4/96:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 3/7![Frontier logo]()
$336
This Frontier deal was found by Cheapflights users on 3/5. 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.
Tue 9/111:12 am
CUN
- SAN
1 stop14h 14m
Frontier
Mon 9/76:25 am
SAN
- CUN
1 stop9h 36m
Frontier
Deal found 3/5![Frontier logo]()
$373
This United Airlines deal was found by Cheapflights users on 3/9. 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 5/87:51 am
CUN
- SAN
1 stop7h 59m
United Airlines
Mon 5/118:45 pm
SAN
- CUN
2 stops11h 21m
United Airlines
Deal found 3/9![United Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/217:51 am
CUN
- SAN
2 stops11h 21m
United Airlines
Tue 4/286:20 am
SAN
- CUN
2 stops10h 59m
United Airlines
Deal found 3/7![United Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/231:01 pm
CUN
- SAN
1 stop13h 15m
Frontier
Thu 4/307:24 pm
SAN
- CUN
2 stops36h 06m
Frontier
Deal found 3/9![Frontier logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/210:13 am
CUN
- SAN
1 stop11h 45m
Multiple Airlines
Thu 4/96:25 am
SAN
- CUN
1 stop26h 59m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$401
This Frontier deal was found by Cheapflights users on 3/5. 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 4/1910:34 am
CUN
- SAN
2 stops24h 00m
Frontier
Sun 4/266:56 pm
SAN
- CUN
2 stops18h 00m
Frontier
Deal found 3/5![Frontier logo]()
$402
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 March 10, 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 March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/25:25 pm
CUN
- SAN
2 stops32h 37m
Frontier
Thu 4/96:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 3/7![Frontier logo]()
$336
This United Airlines deal was found by Cheapflights users on 3/6. 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 5/87:51 am
CUN
- SAN
2 stops11h 28m
United Airlines
Mon 5/116:20 am
SAN
- CUN
2 stops10h 59m
United Airlines
Deal found 3/6![United Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/231:01 pm
CUN
- SAN
1 stop13h 15m
Frontier
Thu 4/307:24 pm
SAN
- CUN
2 stops36h 06m
Frontier
Deal found 3/9![Frontier logo]()
$399
This Frontier deal was found by Cheapflights users on 3/5. 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 4/1910:34 am
CUN
- SAN
2 stops24h 00m
Frontier
Sun 4/266:56 pm
SAN
- CUN
2 stops18h 00m
Frontier
Deal found 3/5![Frontier logo]()
$402
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 3/259:53 am
CUN
- SAN
1 stop16h 15m
Frontier
Sat 3/286:25 am
SAN
- CUN
1 stop26h 56m
Frontier
Deal found 3/5![Frontier logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/275:27 pm
CUN
- SAN
1 stop8h 49m
Multiple Airlines
Tue 4/75:20 pm
SAN
- CUN
2 stops16h 35m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$438
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/25:25 pm
CUN
- SAN
2 stops32h 37m
Frontier
Thu 4/96:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 3/7![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/210:13 am
CUN
- SAN
1 stop11h 45m
Multiple Airlines
Thu 4/96:25 am
SAN
- CUN
1 stop26h 59m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 4/610:13 am
CUN
- SAN
1 stop15h 49m
Frontier
Sun 4/126:25 am
SAN
- CUN
1 stop26h 59m
Frontier
Deal found 3/5![Frontier logo]()
$335
This Frontier deal was found by Cheapflights users on 3/5. 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 4/1910:34 am
CUN
- SAN
2 stops24h 00m
Frontier
Sun 4/266:56 pm
SAN
- CUN
2 stops18h 00m
Frontier
Deal found 3/5![Frontier logo]()
$402
This United Airlines deal was found by Cheapflights users on 3/7. 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 4/217:51 am
CUN
- SAN
2 stops11h 21m
United Airlines
Tue 4/286:20 am
SAN
- CUN
2 stops10h 59m
United Airlines
Deal found 3/7![United Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/231:01 pm
CUN
- SAN
1 stop13h 15m
Frontier
Thu 4/307:24 pm
SAN
- CUN
2 stops36h 06m
Frontier
Deal found 3/9![Frontier logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/9. 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 4/2312:57 pm
CUN
- SAN
1 stop13h 32m
United Airlines
Thu 4/3010:40 pm
SAN
- CUN
1 stop13h 46m
United Airlines
Deal found 3/9![United Airlines logo]()
$411
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 March 10, 2026.
Search for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/105:25 pm
CUN
- SAN
2 stops29h 01m
Frontier
Deal found 3/10![Frontier logo]()
$181
This Trip.com deal was found by Cheapflights users on 3/9. 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 4/231:01 pm
CUN
- SAN
1 stop13h 15m
Frontier
Deal found 3/9![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/163:54 pm
CUN
- SAN
1 stop9h 12m
Frontier
Deal found 3/8![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 3/6. 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.
Mon 4/1310:13 am
CUN
- SAN
1 stop12h 13m
Frontier
Deal found 3/6![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/2512:01 pm
CUN
- SAN
2 stops37h 58m
Frontier
Deal found 3/6![Frontier logo]()
$198
This Orbitz deal was found by Cheapflights users on 3/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Deal found 3/6![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/2512:01 pm
CUN
- SAN
1 stop10h 28m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 6/191:20 am
CUN
- SAN
2 stops19h 17m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 5/169:32 am
CUN
- SAN
2 stops12h 32m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$219
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Kiwi.com) |
One-way from | $181 (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 March 10, 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 4/2
5:25 pm-12:02 am
2 stops32h 37m
San Diego
Thu 4/9
6:45 am-4:15 pm
1 stop7h 30m
$336
Quickest round-trip
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Fri 5/8
7:51 am-5:19 pm
2 stops11h 28m
San Diego
Mon 5/11
6:20 am-7:19 pm
2 stops10h 59m
$382
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 4/23
1:01 pm-12:16 am
1 stop13h 15m
San Diego
Thu 4/30
7:24 pm-9:30 am
2 stops36h 06m
$399
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sun 4/19
10:34 am-8:34 am
2 stops24h 00m
San Diego
Sun 4/26
6:56 pm-2:56 pm
2 stops18h 00m
$402
Cheapest one-way
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 4/25
12:01 pm-11:59 pm
2 stops37h 58m
$198
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sun 5/17
3:50 pm-11:06 pm
2 stops57h 16m
$219
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Wed 4/22
7:51 am-6:38 pm
2 stops12h 47m
$228
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Wed 4/22
7:00 am-6:28 pm
3 stops37h 28m
$228
Quickest one-way
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Tue 4/28
1:50 pm-9:20 pm
1 stop9h 30m
$229
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Wed 3/18
9:53 am-12:08 am
1 stop16h 15m
$235
Showing 1-10 of 13 resultsSorted by cheapest first
- 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.
Reviews of airlines servicing San Diego
Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Cancún to San Diego, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Entertainment
7.1
Food
6.6
Boarding
7.7
Comfort
7.3
Overall
7.4
Crew
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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
Chula Vista
National City
Coronado
La Mesa
Poway
Julian
Lemon Grove
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Cancún and San Diego flights
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Top airline flying from Cancún to San Diego
Discover the top airline that operate flights from Cancún to San Diego. 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 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$431 | FlexibilityNo cancel fee | On-time69% |