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$159+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheap 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 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$381
(Delta)

One-way from

$159
(eDestinos)

Popular in

January

Cheapest in

October

Average price

$453
Provider with most accurate pricing for Cancun-San Diego flight deals.
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Provider most trusted by Cheapflights users for Cancun-San Diego flights.
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From Cancun to San Diego
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One-way flight from Cancun to San Diego
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Highest demand for flights based on searches. 36% potential increase in price ($279 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Cancún to San Diego

Cheapest flights from Cancún to San Diego
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 27, 2025.

This Flightnetwork deal was found by Cheapflights users on 3/26. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:30 amCUN - SAN
1 stop15h 17mFrontier
Wed 4/912:19 pmSAN - CUN
1 stop23h 09mFrontier
Deal found 3/26$373
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/311:05 amCUN - SAN
2 stops12h 22mDelta
Wed 4/96:15 pmSAN - CUN
2 stops13h 45mDelta
Deal found 3/26$381
This deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/267:51 amCUN - SAN
1 stop7h 59mUnited Airlines
Sat 5/310:26 amSAN - CUN
1 stop6h 54mUnited Airlines
Deal found 3/26$383
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:05 amCUN - SAN
2 stops22h 36mSpirit Airlines
Tue 4/86:15 amSAN - CUN
3 stops26h 55mSpirit Airlines
Deal found 3/26$444
This Mytrip deal was found by Cheapflights users on 3/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/411:10 amCUN - SAN
3 stops24h 31mMultiple Airlines
Sun 4/68:36 amSAN - CUN
2 stops23h 24mMultiple Airlines
Deal found 3/25$553

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 27, 2025.
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

Fri 5/16

3:35 pm-11:42 pm

1 stop10h 07m

San Diego

Sun 5/18

6:15 am-6:42 pm

2 stops10h 27m

$381

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 4/26

7:51 am-1:50 pm

1 stop7h 59m

San Diego

Sat 5/3

10:26 am-7:20 pm

1 stop6h 54m

$383

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/16

7:44 am-8:08 pm

2 stops14h 24m

San Diego

Sun 5/18

6:15 am-6:42 pm

2 stops10h 27m

$385

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/16

10:33 am-7:53 pm

2 stops11h 20m

San Diego

Sun 5/18

6:15 am-11:13 am

3 stops26h 58m

$467

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/16

11:13 am-7:32 am

2 stops22h 19m

San Diego

Mon 5/19

8:22 am-2:10 pm

2 stops27h 48m

$472

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 4/23

9:43 am-7:34 am

2 stops23h 51m

$159

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 4/23

10:00 am-3:19 pm

3 stops31h 19m

$196

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 4/23

4:20 pm-11:43 pm

1 stop9h 23m

$217

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 4/2

10:05 am-10:40 pm

1 stop14h 35m

$225

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/16

12:35 pm-11:42 pm

1 stop13h 07m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 14 results
1
2

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 March.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 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.
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 Cancún to San Diego

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

Currently, August is the cheapest month in which you can book a flight from Cancún to San Diego (average of $286). Flying from Cancún to San Diego in March is currently the most expensive (average of $366). 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.

Rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

Plan your trip to San Diego by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 27, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Aeromexico from Cancún to San Diego have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,792 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,895 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Aeromexico
7.5
Good
1,701 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

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

    According to our current data, Delta ($381), United Airlines ($383), and Aeromexico ($385) offers the cheapest pricing from Cancún to San Diego. You may be able to fly from Cancún to San Diego for 21% less than the average price by searching for these airlines.

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

    $159 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Aeromexico and Frontier, with prices starting from $217 and $225, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Cancún to San Diego 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 Cancún to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Cancún to San Diego (average of $286). Flying from Cancún to San Diego in March is currently the most expensive (average of $366). 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
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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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 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$380Average$483FlexibilityNo cancel feeOn-time69%
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