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$127+ Cheap flights from San Diego (SAN) to Cancún (CUN)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CUN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from San Diego to Cancún

Cheapest flights from San Diego to Cancún
Explore the most affordable flight options available from San Diego to Cancún. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/196:36 pm
SAN
-
CUN
2 stops38h 32m
Frontier
Wed 2/252:24 pm
CUN
-
SAN
1 stop10h 17m
Frontier
Deal found 1/27$314
This Orbitz deal was found by Cheapflights users on 1/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:11 am
SAN
-
CUN
1 stop7h 58m
Frontier
Wed 3/42:27 pm
CUN
-
SAN
1 stop10h 14m
Frontier
Deal found 1/25$319
This Frontier deal was found by Cheapflights users on 1/26. 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 2/238:20 pm
SAN
-
CUN
2 stops18h 49m
Frontier
Mon 3/212:24 pm
CUN
-
SAN
1 stop14h 44m
Frontier
Deal found 1/26$336
This Frontier deal was found by Cheapflights users on 1/26. 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.
Tue 2/247:11 am
SAN
-
CUN
1 stop7h 58m
Frontier
Sat 2/281:18 pm
CUN
-
SAN
2 stops13h 50m
Frontier
Deal found 1/26$340
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Wed 2/259:45 am
SAN
-
CUN
1 stop21h 53m
Frontier
Sat 2/281:18 pm
CUN
-
SAN
2 stops22h 06m
Frontier
Deal found 1/25$342
This Frontier deal was found by Cheapflights users on 1/26. 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.
Thu 4/911:58 am
SAN
-
CUN
2 stops21h 26m
Frontier
Tue 4/143:54 pm
CUN
-
SAN
1 stop9h 12m
Frontier
Deal found 1/26$353
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:42 am
SAN
-
CUN
1 stop24h 57m
Frontier
Tue 5/53:54 pm
CUN
-
SAN
1 stop9h 12m
Frontier
Deal found 1/26$354
This Frontier deal was found by Cheapflights users on 1/25. 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.
Mon 3/28:20 pm
SAN
-
CUN
2 stops18h 49m
Frontier
Thu 3/512:24 pm
CUN
-
SAN
1 stop14h 44m
Frontier
Deal found 1/25$355
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/22:52 pm
SAN
-
CUN
2 stops40h 08m
Multiple Airlines
Wed 2/1111:05 am
CUN
-
SAN
1 stop9h 46m
Multiple Airlines
Deal found 1/26$356
This Frontier deal was found by Cheapflights users on 1/26. 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.
Sat 4/119:28 pm
SAN
-
CUN
1 stop11h 56m
Frontier
Sat 4/183:54 pm
CUN
-
SAN
1 stop9h 12m
Frontier
Deal found 1/26$357

Find flight deals from San Diego to Cancún

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Cancún (CUN). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$314
(Kiwi.com)

One-way from

$127
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$484
Provider with most accurate pricing for San Diego-Cancun flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Cancun flights.
Search Deals
From San Diego to Cancun
Search Deals
One-way flight from San Diego to Cancun
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Cancún 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 January 27, 2026.
Use the filters below to find and compare flights from San Diego to Cancún that are best for you.

Fly from

San Diego

Fly to

Cancún

Route

Depart

Return

Price

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 5/4

12:36 pm-2:39 pm

1 stop24h 03m

Cancun

Sat 5/9

3:54 pm-11:06 pm

1 stop9h 12m

$341

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 4/28

7:15 am-2:39 pm

1 stop29h 24m

Cancun

Tue 5/5

3:54 pm-11:06 pm

1 stop9h 12m

$354

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 2/22

6:20 am-6:00 pm

1 stop8h 40m

Cancun

Thu 2/26

3:45 pm-11:46 pm

1 stop11h 01m

$394

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 4/18

5:55 pm-12:15 pm

2 stops16h 20m

Cancun

Tue 4/21

12:25 pm-10:46 pm

2 stops12h 21m

$421

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/9

10:30 pm-2:03 pm

1 stop12h 33m

Cancun

Fri 2/13

12:15 pm-10:48 pm

1 stop13h 33m

$434

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 2/7

10:00 pm-2:00 pm

1 stop13h 00m

Cancun

Thu 2/12

3:45 pm-11:46 pm

1 stop11h 01m

$434

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 2/24

8:00 am-5:50 pm

1 stop6h 50m

Cancun

Sat 2/28

3:07 pm-11:40 pm

1 stop11h 33m

$439

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Thu 2/19

6:30 am-9:11 pm

1 stop11h 41m

Cancun

Wed 2/25

3:45 pm-11:46 pm

1 stop11h 01m

$439

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 2/20

10:20 pm-3:35 pm

1 stop14h 15m

Cancun

Thu 2/26

3:45 pm-11:46 pm

1 stop11h 01m

$439

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 5/16

11:42 am-2:39 pm

1 stop24h 57m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from San Diego to Cancún

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 San Diego to Cancún in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Cancún flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Cancún flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Cancún flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Cancún 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 San Diego-Cancún 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 San Diego to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from San Diego with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Cancún

How far ahead should I book a flight from San Diego to Cancún?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Cancún. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from San Diego to Cancún, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from San Diego to Cancún?

Currently, May is the cheapest month in which you can book a flight from San Diego to Cancún (average of $233). Flying from San Diego to Cancún in December is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Cancún

Get insights into the airlines that provide service to Cancún. 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 Cancún. Reviews last updated January 27, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Diego to Cancún. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,118 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,204 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.7
Fair
3,056 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Cancún. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Cancún?

    For as low as $394, Frontier can have you in Cancún from San Diego in 8h 40m. San Diego and Cancún are separated by a distance of 2025 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Diego to Cancún round-trip?

    Our cheapest airline available from San Diego to Cancún is Spirit Airlines. Our recent data shows that you can find tickets from as low as $179 on this airline. Additional options worth looking into are Frontier and Delta, starting at $192 and $309 round-trip. You may be able to fly from San Diego to Cancún for 66% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from San Diego to Cancún one-way?

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $137. Delta flights start at $164 while deals on United Airlines start at $164 one-way.

  • Can I find deals for flights from San Diego to Cancún that include hotel bookings?

    Yes. In addition to deals on San Diego to Cancún flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Cancún.

  • Can I find deals for business class flights from San Diego to Cancún?

    Yes. Cheapflights offers flight deals from San Diego to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Cancún?

    Currently, May is the cheapest month in which you can book a flight from San Diego to Cancún (average of $233). Flying from San Diego to Cancún in December is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Puerto Aventuras
Holbox
Punta Sam

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from San Diego to Cancún

Discover the top 6 airlines that operate flights from San Diego to Cancún. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$179Average$338FlexibilityNo cancel feeOn-time65%
FrontierCheapest$192Average$417FlexibilityNo cancel feeOn-time62%
DeltaCheapest$309Average$510FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$351Average$523FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$366Average$539FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$400Average$611FlexibilityNo cancel feeOn-time63%

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