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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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — CUN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$303
(American Airlines)

One-way from

$123
(Mytrip)

Popular in

February

Cheapest in

September

Average price

$599
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 ($29 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 June 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 June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/11. 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 7/79:10 pmSAN - CUN
1 stop10h 30mAmerican Airlines
Wed 7/912:45 pmCUN - SAN
1 stop11h 02mAmerican Airlines
Deal found 6/11$303
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 9/89:10 pmSAN - CUN
1 stop13h 00mSouthwest
Fri 9/122:30 pmCUN - SAN
2 stops10h 45mSouthwest
Deal found 6/11$308
This Priceline deal was found by Cheapflights users on 6/12. 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.
Fri 9/264:02 pmSAN - CUN
1 stop16h 24mFrontier
Sun 9/2811:31 amCUN - SAN
1 stop24h 06mFrontier
Deal found 6/12$310
This Priceline deal was found by Cheapflights users on 6/11. 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.
Sat 9/2011:40 amSAN - CUN
2 stops20h 30mMultiple Airlines
Sat 9/2711:31 amCUN - SAN
1 stop24h 06mMultiple Airlines
Deal found 6/11$327
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/75:50 pmSAN - CUN
2 stops15h 31mSpirit Airlines
Wed 7/912:26 pmCUN - SAN
2 stops23h 29mSpirit Airlines
Deal found 6/10$332
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 6/256:20 amSAN - CUN
1 stop7h 52mUnited Airlines
Wed 11/512:35 pmCUN - SAN
1 stop8h 49mUnited Airlines
Deal found 6/11$340
This Aeromexico deal was found by Cheapflights users on 6/11. 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 8/46:20 amSAN - CUN
1 stop8h 50mAeromexico
Fri 8/812:35 pmCUN - SAN
1 stop9h 21mAeromexico
Deal found 6/11$353
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/227:35 pmSAN - CUN
2 stops15h 26mDelta
Tue 7/292:11 pmCUN - SAN
2 stops11h 31mDelta
Deal found 6/11$358
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 11/28:01 amSAN - CUN
2 stops27h 49mAlaska Airlines
Wed 11/56:15 pmCUN - SAN
2 stops17h 23mAlaska Airlines
Deal found 6/11$394

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 June 12, 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

Mon 7/7

9:10 pm-9:40 am

1 stop10h 30m

Cancun

Wed 7/9

12:45 pm-9:47 pm

1 stop11h 02m

$303

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 9/8

9:10 pm-12:10 pm

1 stop13h 00m

Cancun

Fri 9/12

2:30 pm-11:15 pm

2 stops10h 45m

$308

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 7/7

5:50 pm-11:21 am

2 stops15h 31m

Cancun

Wed 7/9

12:26 pm-9:55 am

2 stops23h 29m

$332

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 6/25

6:20 am-4:12 pm

1 stop7h 52m

Cancun

Wed 11/5

12:35 pm-6:24 pm

1 stop8h 49m

$340

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 7/9

6:25 am-4:20 pm

1 stop7h 55m

Cancun

Wed 7/16

10:41 am-9:55 am

2 stops25h 14m

$348

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 8/4

6:20 am-5:10 pm

1 stop8h 50m

Cancun

Fri 8/8

12:35 pm-7:56 pm

1 stop9h 21m

$353

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/22

7:35 pm-1:01 pm

2 stops15h 26m

Cancun

Tue 7/29

2:11 pm-11:42 pm

2 stops11h 31m

$358

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/8

6:25 am-4:20 pm

1 stop7h 55m

Cancun

Sun 7/13

11:05 am-3:59 pm

1 stop30h 54m

$378

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 8/22

7:59 pm-3:00 pm

2 stops41h 01m

Cancun

Mon 8/25

4:10 pm-8:29 am

2 stops18h 19m

$501

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 6/30

5:50 pm-8:03 am

2 stops12h 13m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
1
2

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 9, 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 June 12, 2025.

It’s optimal to fly from San Diego to Cancún in the morning. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight at noon.

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 8, 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.

Rainfall in Cancún by month

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

In terms of precipitation, rainfall in Cancún ranges from 1.1 - 11.1 inches per month. October is typically the wettest month, when rainfall can reach 11.1 in. April is typically the driest time to visit Cancún when rainfall is around 1.1 in.

Temperature in Cancún by month

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

If weather is an important factor for your trip to Cancún, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 75.2 F).

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 June 12, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from San Diego to Cancún. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Aeromexico
7.5
Good
1,706 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines. Our recent data shows that you can find tickets from as low as $303 on this airline. Additional options worth looking into are Southwest and Spirit Airlines, starting at $308 and $332 round-trip. You may be able to fly from San Diego to Cancún for 44% 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 Spirit Airlines, which is currently one of the cheapest options available, starting at $123. Southwest flights start at $137 while deals on American Airlines start at $138 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 $61.

  • 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?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AeromexicoCheapest$217Average$404FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$274Average$421FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$279Average$351FlexibilityNo cancel feeOn-time65%
DeltaCheapest$349Average$470FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$373Average$551FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$380Average$554FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$495Average$699FlexibilityNo cancel feeOn-time63%

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