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$123+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CUN
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Cancun are usually found in September or August, booked 49 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap 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 July 3, 2025.

Round-trip from

$297
(Gotogate)

One-way from

$123
(American Airlines)

Popular in

February

Cheapest in

September

Average price

$547
From San Diego to Cancun
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One-way flight from San Diego to Cancun
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Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 3, 2025.

This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/223:57 pmSAN - CUN
2 stops15h 49mSpirit Airlines
Tue 7/2910:41 amCUN - SAN
2 stops25h 14mSpirit Airlines
Deal found 7/1$297
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1410:22 pmSAN - CUN
1 stop8h 53mAmerican Airlines
Thu 7/1711:00 amCUN - SAN
1 stop11h 04mAmerican Airlines
Deal found 6/30$303
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 7/2210:15 amSAN - CUN
1 stop7h 05mUnited Airlines
Tue 7/295:01 pmCUN - SAN
1 stop9h 14mUnited Airlines
Deal found 7/2$304
This Priceline deal was found by Cheapflights users on 7/1. 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.
Tue 7/297:00 pmSAN - CUN
2 stops13h 47mMultiple Airlines
Tue 8/53:25 pmCUN - SAN
1 stop9h 37mMultiple Airlines
Deal found 7/1$330
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:40 amSAN - CUN
1 stop6h 45mSouthwest
Fri 8/11:40 pmCUN - SAN
1 stop11h 30mSouthwest
Deal found 7/2$344
This Aeromexico deal was found by Cheapflights users on 6/30. 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.
Mon 7/2810:30 pmSAN - CUN
1 stop13h 55mAeromexico
Thu 7/314:20 pmCUN - SAN
1 stop9h 22mAeromexico
Deal found 6/30$353
This Delta deal was found by Cheapflights users on 6/30. 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.
Mon 7/149:30 pmSAN - CUN
2 stops12h 09mDelta
Thu 7/1712:40 pmCUN - SAN
2 stops13h 02mDelta
Deal found 6/30$358

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 July 3, 2025.
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

Tue 7/22

3:57 pm-9:46 am

2 stops15h 49m

Cancun

Tue 7/29

10:41 am-9:55 am

2 stops25h 14m

$297

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/14

10:22 pm-9:15 am

1 stop8h 53m

Cancun

Thu 7/17

11:00 am-8:04 pm

1 stop11h 04m

$303

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/22

10:15 am-7:20 pm

1 stop7h 05m

Cancun

Tue 7/29

5:01 pm-12:15 am

1 stop9h 14m

$304

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/29

7:00 pm-10:47 am

2 stops13h 47m

Cancun

Tue 8/5

3:25 pm-11:02 pm

1 stop9h 37m

$330

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 7/25

6:40 am-3:25 pm

1 stop6h 45m

Cancun

Fri 8/1

1:40 pm-11:10 pm

1 stop11h 30m

$344

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/28

10:30 pm-2:25 pm

1 stop13h 55m

Cancun

Thu 7/31

4:20 pm-11:42 pm

1 stop9h 22m

$353

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/14

9:30 pm-11:39 am

2 stops12h 09m

Cancun

Thu 7/17

12:40 pm-11:42 pm

2 stops13h 02m

$358

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/8

10:22 pm-9:15 am

1 stop8h 53m

$123

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/28

8:55 pm-12:00 pm

1 stop13h 05m

$137

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/28

7:00 pm-10:47 am

2 stops13h 47m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 14 results
1
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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 June 27, 2025.

To ensure you get the cheapest price possible for a flight from San Diego to Cancún, you should look to book at least 49 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, January is the cheapest month in which you can book a flight from San Diego to Cancún (average of $360). Flying from San Diego to Cancún in March is currently the most expensive (average of $492). 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.

What is the cheapest time of day to fly from SAN to CUN?

Find hourly flight availability from San Diego to Cancún. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s optimal to fly from San Diego to Cancún at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from San Diego to Cancún?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Cancún. Price data was last updated on June 22, 2025.

Travelers seeking maximum savings on their San Diego to Cancún flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 2025.
Read reviews from past customers who have flown Southwest, Delta, and Aeromexico 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
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Aeromexico
7.5
Good
1,718 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Entertainment

7.6

Comfort

8.0

Food

7.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.

  • 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 $297 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $303 and $304 round-trip. You may be able to fly from San Diego to Cancún for 45% 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 American Airlines, which is currently one of the cheapest options available, starting at $123. Southwest flights start at $137 while deals on Spirit Airlines start at $145 one-way.

  • Where are the most common layover locations when flying from San Diego to Cancún?

    Most of the time, San Diego to Cancún flights that have layovers will stop in Dallas.

  • What are some popular things to do or see while on a layover in Dallas?

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Reunion Tower more than anywhere else. Travelers on a layover in Dallas can visit American Airlines Center, Dallas World Aquarium, and Reunion Tower, by traveling 15.0 mi, 15.5 mi, and 15.6 mi, respectively after landing at Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $53.

  • Where are the least popular layover locations for San Diego to Cancún flights?

    The least popular layover on flights from San Diego to Cancún is Houston.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Cancún (average of $360). Flying from San Diego to Cancún in March is currently the most expensive (average of $492). 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 San Diego?

Book flights to San Diego if you plan to visit one of these locations
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Holbox
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Top 7 airlines flying from San Diego to Cancún

Discover the top 7 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$217Average$407FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$274Average$441FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$279Average$351FlexibilityNo cancel feeOn-time65%
DeltaCheapest$333Average$489FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$380Average$550FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$380Average$551FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$459Average$661FlexibilityNo cancel feeOn-time63%

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