$171+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Mar 29 — Apr 51
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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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 February 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/910:13 am
CUN
- SAN
1 stop15h 52m
Frontier
Wed 4/1510:30 am
SAN
- CUN
1 stop26h 09m
Frontier
Deal found 2/23![Frontier logo]()
$257
This Expedia deal was found by Cheapflights users on 2/25. 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.
Wed 3/253:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Wed 4/16:25 am
SAN
- CUN
1 stop26h 59m
Frontier
Deal found 2/25![Frontier logo]()
$313
This Travelocity deal was found by Cheapflights users on 2/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:53 am
CUN
- SAN
1 stop13h 21m
Frontier
Tue 3/316:25 am
SAN
- CUN
1 stop7h 52m
Frontier
Deal found 2/24![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/243:54 pm
CUN
- SAN
1 stop10h 14m
Multiple Airlines
Tue 3/318:25 am
SAN
- CUN
2 stops22h 16m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$391
This Frontier deal was found by Cheapflights users on 2/23. 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 3/99:58 pm
SAN
- CUN
2 stops11h 18m
Frontier
Deal found 2/23![Frontier logo]()
$398
This Frontier deal was found by Cheapflights users on 2/26. 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 4/139:12 am
CUN
- SAN
2 stops16h 32m
Frontier
Mon 4/206:43 pm
SAN
- CUN
2 stops18h 13m
Frontier
Deal found 2/26![Frontier logo]()
$402
This Frontier deal was found by Cheapflights users on 2/25. 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 3/153:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Fri 3/209:18 pm
SAN
- CUN
1 stop12h 03m
Frontier
Deal found 2/25![Frontier logo]()
$426
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 27, 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 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 4/910:13 am
CUN
- SAN
1 stop15h 52m
Frontier
Wed 4/1510:30 am
SAN
- CUN
1 stop26h 09m
Frontier
Deal found 2/23![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/1110:13 am
CUN
- SAN
1 stop12h 13m
Multiple Airlines
Sat 4/1812:37 pm
SAN
- CUN
1 stop20h 01m
Multiple Airlines
Deal found 2/25![Multiple Airlines logo]()
$518
This Expedia deal was found by Cheapflights users on 2/25. 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.
Wed 3/253:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Wed 4/16:25 am
SAN
- CUN
1 stop26h 59m
Frontier
Deal found 2/25![Frontier logo]()
$313
This Frontier deal was found by Cheapflights users on 2/26. 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 4/139:12 am
CUN
- SAN
2 stops16h 32m
Frontier
Mon 4/206:43 pm
SAN
- CUN
2 stops18h 13m
Frontier
Deal found 2/26![Frontier logo]()
$402
This Frontier deal was found by Cheapflights users on 2/24. 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.
Sat 3/143:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Thu 3/199:44 pm
SAN
- CUN
2 stops16h 33m
Frontier
Deal found 2/24![Frontier logo]()
$471
This Frontier deal was found by Cheapflights users on 2/25. 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 3/1511:52 am
CUN
- SAN
1 stop14h 24m
Frontier
Fri 3/209:58 pm
SAN
- CUN
2 stops16h 19m
Frontier
Deal found 2/25![Frontier logo]()
$476
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/163:54 pm
CUN
- SAN
1 stop31h 20m
Frontier
Thu 3/199:18 pm
SAN
- CUN
1 stop16h 59m
Frontier
Deal found 2/24![Frontier logo]()
$541
Last-minute flights from Cancún to San DiegoDiscover last-minute flight deals from Cancún to San Diego. Data last updated February 27, 2026 and is based on user searches.
Discover last-minute flight deals from Cancún to San Diego. Data last updated February 27, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/23. 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 3/99:58 pm
SAN
- CUN
2 stops11h 18m
Frontier
Deal found 2/23![Frontier logo]()
$398
This Frontier deal was found by Cheapflights users on 2/24. 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.
Sat 3/143:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Thu 3/199:44 pm
SAN
- CUN
2 stops16h 33m
Frontier
Deal found 2/24![Frontier logo]()
$471
This Frontier deal was found by Cheapflights users on 2/25. 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 3/153:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Fri 3/209:18 pm
SAN
- CUN
1 stop12h 03m
Frontier
Deal found 2/25![Frontier logo]()
$426
This Frontier deal was found by Cheapflights users on 2/24. 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 3/163:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Thu 3/199:44 pm
SAN
- CUN
2 stops16h 33m
Frontier
Deal found 2/24![Frontier logo]()
$429
This Travelocity deal was found by Cheapflights users on 2/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/249:53 am
CUN
- SAN
1 stop13h 21m
Frontier
Tue 3/316:25 am
SAN
- CUN
1 stop7h 52m
Frontier
Deal found 2/24![Frontier logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/243:54 pm
CUN
- SAN
1 stop10h 14m
Multiple Airlines
Tue 3/318:25 am
SAN
- CUN
2 stops22h 16m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$391
This Expedia deal was found by Cheapflights users on 2/25. 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.
Wed 3/253:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Wed 4/16:25 am
SAN
- CUN
1 stop26h 59m
Frontier
Deal found 2/25![Frontier logo]()
$313
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 27, 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 27, 2026.
This Trip.com deal was found by Cheapflights users on 2/26. 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.
Sat 3/711:08 am
CUN
- SAN
1 stop12h 25m
Frontier
Deal found 2/26![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 5/14:07 pm
CUN
- SAN
2 stops29h 57m
Frontier
Deal found 2/23![Frontier logo]()
$183
This Frontier deal was found by Cheapflights users on 2/24. 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 3/109:53 am
CUN
- SAN
1 stop13h 21m
Frontier
Deal found 2/24![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/315:27 pm
CUN
- SAN
2 stops32h 35m
Frontier
Deal found 2/24![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/1012:25 pm
CUN
- SAN
2 stops26h 48m
Multiple Airlines
Deal found 2/24![Multiple Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/245:27 pm
CUN
- SAN
2 stops29h 47m
Frontier
Deal found 2/24![Frontier logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 3/163:54 pm
CUN
- SAN
1 stop10h 14m
Frontier
Deal found 2/24![Frontier logo]()
$214
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $257 (Kiwi.com) |
One-way from | $178 (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 February 27, 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
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Thu 4/9
10:13 am-12:05 am
1 stop15h 52m
San Diego
Wed 4/15
10:30 am-2:39 pm
1 stop26h 09m
$257
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Wed 3/25
3:54 pm-12:08 am
1 stop10h 14m
San Diego
Wed 4/1
6:25 am-11:24 am
1 stop26h 59m
$313
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Mon 4/13
9:12 am-11:44 pm
2 stops16h 32m
San Diego
Mon 4/20
6:43 pm-2:56 pm
2 stops18h 13m
$402
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 3/14
3:54 pm-12:08 am
1 stop10h 14m
San Diego
Thu 3/19
9:44 pm-4:17 pm
2 stops16h 33m
$471
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sun 3/15
11:52 am-12:16 am
1 stop14h 24m
San Diego
Fri 3/20
9:58 pm-4:17 pm
2 stops16h 19m
$476
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 4/11
10:13 am-8:26 pm
1 stop12h 13m
San Diego
Sat 4/18
12:37 pm-10:38 am
1 stop20h 01m
$518
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Mon 3/16
3:54 pm-9:14 pm
1 stop31h 20m
San Diego
Thu 3/19
9:18 pm-4:17 pm
1 stop16h 59m
$541
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Sat 3/7
11:08 am-12:08 am
1 stop16h 00m
$179
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Tue 3/10
9:53 am-9:14 pm
1 stop13h 21m
$210
CancúnSan Diego
CUN - SAN
CUNSAN
Cancun
Tue 4/7
2:40 pm-11:48 pm
1 stop11h 08m
$231
Showing 1-10 of 17 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 February 27, 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.
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Overall
7.4
Boarding
7.7
Crew
8.1
Entertainment
7.1
Food
6.6
Comfort
7.3
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 27, 2026.
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Browse through other flights departing from Cancún. Flights are based on user searches made on Cheapflights and were last updated on February 27, 2026.
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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 27, 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 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$255 | Average$431 | FlexibilityNo cancel fee | On-time69% |