$136+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Mar 14 — Mar 211
1 adult, Economy
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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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Best
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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 February 12, 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 February 12, 2026.
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Frontier
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 08m
Frontier
Deal found 2/10![Frontier logo]()
$323
This Frontier deal was found by Cheapflights users on 2/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:24 pm
CUN
- SAN
1 stop22h 16m
Frontier
Wed 3/48:45 am
SAN
- CUN
1 stop29h 32m
Frontier
Deal found 2/8![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 2/11. 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.
Fri 3/611:08 am
CUN
- SAN
1 stop12h 25m
Frontier
Mon 3/99:18 pm
SAN
- CUN
1 stop11h 58m
Frontier
Deal found 2/11![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Multiple Airlines
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 54m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$346
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:52 am
CUN
- SAN
1 stop14h 24m
Frontier
Thu 4/28:47 am
SAN
- CUN
1 stop24h 37m
Frontier
Deal found 2/9![Frontier logo]()
$353
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier 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
Frontier
Fri 4/36:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 2/10![Frontier logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/149:53 am
CUN
- SAN
1 stop12h 40m
Frontier
Tue 3/178:25 am
SAN
- CUN
1 stop29h 52m
Frontier
Deal found 2/8![Frontier logo]()
$357
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 February 12, 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 February 12, 2026.
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Frontier
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 08m
Frontier
Deal found 2/10![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Multiple Airlines
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 54m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$346
This Frontier deal was found by Cheapflights users on 2/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:24 pm
CUN
- SAN
1 stop22h 16m
Frontier
Wed 3/48:45 am
SAN
- CUN
1 stop29h 32m
Frontier
Deal found 2/8![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 2/11. 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.
Fri 3/611:08 am
CUN
- SAN
1 stop12h 25m
Frontier
Mon 3/99:18 pm
SAN
- CUN
1 stop11h 58m
Frontier
Deal found 2/11![Frontier logo]()
$337
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:52 am
CUN
- SAN
1 stop14h 24m
Frontier
Thu 4/28:47 am
SAN
- CUN
1 stop24h 37m
Frontier
Deal found 2/9![Frontier logo]()
$353
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier 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
Frontier
Fri 4/36:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 2/10![Frontier logo]()
$355
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated February 12, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:24 pm
CUN
- SAN
1 stop22h 16m
Frontier
Wed 3/48:45 am
SAN
- CUN
1 stop29h 32m
Frontier
Deal found 2/8![Frontier logo]()
$328
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Frontier
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 08m
Frontier
Deal found 2/10![Frontier logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/512:24 pm
CUN
- SAN
1 stop14h 44m
Multiple Airlines
Tue 3/102:08 pm
SAN
- CUN
2 stops19h 54m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$346
This Frontier deal was found by Cheapflights users on 2/11. 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.
Fri 3/611:08 am
CUN
- SAN
1 stop12h 25m
Frontier
Mon 3/99:18 pm
SAN
- CUN
1 stop11h 58m
Frontier
Deal found 2/11![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/149:53 am
CUN
- SAN
1 stop12h 40m
Frontier
Tue 3/178:25 am
SAN
- CUN
1 stop29h 52m
Frontier
Deal found 2/8![Frontier logo]()
$357
This Expedia deal was found by Cheapflights users on 2/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:52 am
CUN
- SAN
1 stop14h 24m
Frontier
Thu 4/28:47 am
SAN
- CUN
1 stop24h 37m
Frontier
Deal found 2/9![Frontier logo]()
$353
This Frontier deal was found by Cheapflights users on 2/10. 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 Frontier 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
Frontier
Fri 4/36:45 am
SAN
- CUN
1 stop7h 30m
Frontier
Deal found 2/10![Frontier logo]()
$355
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 February 12, 2026.
Search for one-way flight options from Cancún to San Diego. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Trip.com deal was found by Cheapflights users on 2/9. 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.
Tue 3/179:53 am
CUN
- SAN
1 stop13h 21m
Frontier
Deal found 2/9![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 2/12. 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 4/135:25 pm
CUN
- SAN
1 stop8h 19m
Frontier
Deal found 2/12![Frontier logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/210:40 am
CUN
- SAN
2 stops39h 21m
Frontier
Deal found 2/11![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Mon 3/1610:10 am
CUN
- SAN
2 stops37h 04m
Frontier
Deal found 2/9![Frontier logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Thu 3/194:18 am
CUN
- SAN
2 stops18h 15m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 2/10. 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.
Tue 4/72:20 pm
CUN
- SAN
2 stops35h 42m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 5/210:40 am
CUN
- SAN
3 stops29h 45m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 2/9. 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.
Sat 4/49:50 am
CUN
- SAN
2 stops16h 12m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/72:40 pm
CUN
- SAN
1 stop11h 08m
Delta
Deal found 2/9![Delta logo]()
$234
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 February 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Frontier) |
One-way from | $136 (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 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Cancún to San Diego that are best for you.
Fly from
Cancún
Fly to
San Diego
Route
Depart
Return
Price
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 3/5
12:24 pm-12:08 am
1 stop14h 44m
San Diego
Tue 3/10
2:08 pm-11:16 am
2 stops19h 08m
$323
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 2/26
12:24 pm-7:40 am
1 stop22h 16m
San Diego
Wed 3/4
8:45 am-5:17 pm
1 stop29h 32m
$328
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Fri 3/6
11:08 am-8:33 pm
1 stop12h 25m
San Diego
Mon 3/9
9:18 pm-11:16 am
1 stop11h 58m
$337
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 3/5
12:24 pm-12:08 am
1 stop14h 44m
San Diego
Tue 3/10
2:08 pm-12:02 pm
2 stops19h 54m
$346
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 3/26
11:52 am-12:16 am
1 stop14h 24m
San Diego
Thu 4/2
8:47 am-11:24 am
1 stop24h 37m
$353
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Fri 3/27
5:27 pm-12:16 am
1 stop8h 49m
San Diego
Fri 4/3
6:45 am-4:15 pm
1 stop7h 30m
$355
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Tue 3/17
9:53 am-9:14 pm
1 stop13h 21m
$136
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Mon 4/13
5:25 pm-11:44 pm
1 stop8h 19m
$192
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 5/2
10:40 am-12:01 am
2 stops39h 21m
$200
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Mon 3/16
10:08 am-8:23 pm
1 stop12h 15m
$208
Showing 1-10 of 15 results
- 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 February 12, 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.
Boarding
7.7
Food
6.6
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Boarding
7.7
Food
6.6
Comfort
7.3
Entertainment
7.1
Crew
8.1
Overall
7.4
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
Browse other Cancún and San Diego flight options. Last updated on February 12, 2026.
Other flights from Cancún
Browse through other flights departing from Cancún. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Diego
Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$394 | FlexibilityNo cancel fee | On-time69% |