HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$191+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — SAN
Apr 21 — Apr 281
Mon 4/21
Mon 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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

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 April 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$337
(Booking.com)

One-way from

$191
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$556
Provider with most accurate pricing for Cancun-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Cancun-San Diego flights.
Search Deals
From Cancun to San Diego
Search Deals
One-way flight from Cancun to San Diego
Search Deals
Highest demand for flights based on searches. 33% potential increase in price ($257 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 16, 2025.

This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:18 pmCUN - SAN
2 stops20h 55mSpirit Airlines
Sat 5/246:58 pmSAN - CUN
2 stops11h 35mSpirit Airlines
Deal found 4/16$337
This Booking.com deal was found by Cheapflights users on 4/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2112:18 pmCUN - SAN
2 stops20h 55mMultiple Airlines
Sat 5/247:00 amSAN - CUN
1 stop24h 40mMultiple Airlines
Deal found 4/16$371
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/13:15 pmCUN - SAN
1 stop10h 58mFrontier
Wed 5/71:23 pmSAN - CUN
1 stop23h 28mFrontier
Deal found 4/14$384
This Delta deal was found by Cheapflights users on 4/14. 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 5/18:15 amCUN - SAN
1 stop12h 20mDelta
Wed 5/76:15 amSAN - CUN
2 stops10h 27mDelta
Deal found 4/14$387
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Mon 6/305:35 amCUN - SAN
1 stop17h 37mUnited Airlines
Mon 7/76:45 amSAN - CUN
1 stop8h 00mUnited Airlines
Deal found 4/14$410
This Aeromexico deal was found by Cheapflights users on 4/15. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1811:03 amCUN - SAN
1 stop9h 30mAeromexico
Fri 4/1810:30 pmSAN - CUN
1 stop8h 25mAeromexico
Deal found 4/15$618
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:30 pmCUN - SAN
2 stops28h 02mAlaska Airlines
Wed 4/233:48 pmSAN - CUN
2 stops22h 31mAlaska Airlines
Deal found 4/15$684
This Priceline deal was found by Cheapflights users on 4/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:20 amCUN - SAN
2 stops23h 51mLATAM Airlines
Sun 5/186:15 amSAN - CUN
2 stops30h 00mLATAM Airlines
Deal found 4/16$1,881
This Avianca deal was found by Cheapflights users on 4/15. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/172:15 pmCUN - SAN
3 stops29h 36mAvianca
Thu 4/2410:16 amSAN - CUN
2 stops24h 54mAvianca
Deal found 4/15$2,020

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 April 16, 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

Wed 5/21

12:18 pm-7:13 am

2 stops20h 55m

San Diego

Sat 5/24

6:58 pm-8:33 am

2 stops11h 35m

$337

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 5/21

12:18 pm-7:13 am

2 stops20h 55m

San Diego

Sat 5/24

7:00 am-9:40 am

1 stop24h 40m

$371

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 5/1

3:15 pm-12:13 am

1 stop10h 58m

San Diego

Wed 5/7

1:23 pm-2:51 pm

1 stop23h 28m

$384

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 5/1

8:15 am-6:35 pm

1 stop12h 20m

San Diego

Wed 5/7

6:15 am-6:42 pm

2 stops10h 27m

$387

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Mon 6/30

5:35 am-9:12 pm

1 stop17h 37m

San Diego

Mon 7/7

6:47 pm-12:02 pm

2 stops15h 15m

$410

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 5/21

4:25 pm-7:39 am

2 stops17h 14m

San Diego

Sat 5/24

2:32 pm-3:15 pm

3 stops22h 43m

$1,631

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 5/8

1:20 am-11:11 pm

2 stops23h 51m

San Diego

Sun 5/18

6:15 am-2:15 pm

2 stops30h 00m

$1,881

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Tue 5/27

10:00 pm-6:41 pm

3 stops22h 41m

$191

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/16

9:38 am-11:56 pm

2 stops16h 18m

$206

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 5/28

10:50 am-10:57 pm

1 stop14h 07m

$218

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 17 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 April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 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 Cancún-San Diego flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Cancún-San Diego flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 16, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
LATAM Airlines
7.5
Good
1,761 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Aeromexico
7.5
Good
1,699 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,665 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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, Spirit Airlines ($337), Frontier ($384), and Delta ($387) offers the cheapest pricing from Cancún to San Diego. You may be able to fly from Cancún to San Diego for 33% less than the average price by searching for these airlines.

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

    $206 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 Frontier and Delta, with prices starting from $218 and $230, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 April 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$380Average$483FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.