How long is the flight from San Diego to Cancún?

For as low as $387, Frontier can have you in Cancún from San Diego in 18h 10m. 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 Aeromexico and Frontier, starting at $199 and $207 round-trip. You may be able to fly from San Diego to Cancún for 67% 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.

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.

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).

What are the most popular airlines that fly from San Diego to Cancún?

Consider American Airlines, United Airlines or Southwest when booking your flight. These represent the most popular airlines when flying from San Diego to Cancún.

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.

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.

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 Dos Equis Pavilion more than anywhere else. Travelers on a layover in Dallas can visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion, by traveling 15.0 mi, 15.5 mi, and 18.3 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 $51.

Most accurate provider : When it comes to deals on San Diego-Cancún flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-Cancún flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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.

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.

$151+ Flights from San Diego to Cancún

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from San Diego to Cancún 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.

Cheapflights Tip: The best prices from San Diego to Cancun are usually found in August or July, booked 36 days in advance, depart on a Friday or Monday and return on a Tuesday

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 December 3, 2025.

Wed 12/316:25 amSAN - CUN

1 stop7h 47mFrontier

Wed 1/711:33 amCUN - SAN

2 stops49h 24mFrontier

Deal found 12/1

$341

Wed 12/316:25 amSAN - CUN

1 stop7h 47mFrontier

Thu 1/811:33 amCUN - SAN

2 stops15h 26mFrontier

Deal found 12/1

$384

Sun 12/217:10 pmSAN - CUN

1 stop18h 10mDelta

Wed 12/315:05 pmCUN - SAN

1 stop20h 37mDelta

Deal found 12/2

$387

Mon 12/810:30 pmSAN - CUN

1 stop9h 25mDelta

Wed 12/171:40 pmCUN - SAN

2 stops13h 17mDelta

Deal found 12/1

$391

Thu 12/1110:57 amSAN - CUN

2 stops21h 39mMultiple Airlines

Mon 12/152:14 pmCUN - SAN

1 stop12h 42mMultiple Airlines

Deal found 12/1

$396

Wed 12/313:44 pmSAN - CUN

1 stop22h 28mMultiple Airlines

Thu 1/811:05 amCUN - SAN

1 stop15h 31mMultiple Airlines

Deal found 12/1

$407

Tue 12/301:06 pmSAN - CUN

2 stops25h 06mMultiple Airlines

Thu 1/811:05 amCUN - SAN

1 stop15h 31mMultiple Airlines

Deal found 12/1

$415

Sun 12/78:00 amSAN - CUN

1 stop10h 20mDelta

Fri 12/123:15 pmCUN - SAN

1 stop9h 03mDelta

Deal found 12/1

$427

Best flights from San Diego to Cancún
Discover carefully curated flight deals from San Diego to Cancún that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

Fri 3/64:47 pmSAN - CUN

2 stops19h 12mFrontier

Tue 3/1012:13 pmCUN - SAN

1 stop9h 02mFrontier

Deal found 12/2

$365

Sun 12/217:10 pmSAN - CUN

1 stop18h 10mDelta

Wed 12/315:05 pmCUN - SAN

1 stop20h 37mDelta

Deal found 12/2

$387

Mon 3/166:15 amSAN - CUN

1 stop7h 31mUnited Airlines

Fri 3/205:30 amCUN - SAN

1 stop7h 40mUnited Airlines

Deal found 12/2

$436

Sun 12/217:10 pmSAN - CUN

1 stop18h 10mDelta

Tue 12/308:20 amCUN - SAN

1 stop16h 18mDelta

Deal found 12/2

$387

Sun 3/299:25 pmSAN - CUN

1 stop9h 35mDelta

Wed 4/18:00 amCUN - SAN

1 stop17h 09mDelta

Deal found 12/1

$393

Mon 3/169:25 pmSAN - CUN

1 stop9h 35mDelta

Fri 3/206:18 pmCUN - SAN

1 stop16h 59mDelta

Deal found 12/2

$393

Mon 12/2910:20 pmSAN - CUN

1 stop14h 45mDelta

Thu 1/812:05 pmCUN - SAN

2 stops13h 42mDelta

Deal found 12/1

$438

Sun 4/55:45 pmSAN - CUN

1 stop14h 55mDelta

Sat 4/117:06 amCUN - SAN

2 stops15h 38mDelta

Deal found 12/2

$438

Mon 4/610:10 pmSAN - CUN

1 stop13h 00mDelta

Sat 4/117:06 amCUN - SAN

2 stops15h 38mDelta

Deal found 12/2

$438

Tue 4/2810:00 amSAN - CUN

2 stops12h 27mDelta

Tue 5/57:06 amCUN - SAN

2 stops13h 48mDelta

Deal found 12/1

$440

Last-minute flights from San Diego to Cancún
Discover last-minute flight deals from San Diego to Cancún. Data last updated December 3, 2025 and is based on user searches.

Wed 12/316:25 amSAN - CUN

1 stop7h 47mFrontier

Wed 1/711:33 amCUN - SAN

2 stops49h 24mFrontier

Deal found 12/1

$341

Mon 1/56:25 amSAN - CUN

1 stop7h 47mFrontier

Sat 1/103:34 pmCUN - SAN

2 stops45h 23mFrontier

Deal found 12/1

$345

Mon 1/56:25 amSAN - CUN

1 stop7h 47mFrontier

Mon 1/124:58 pmCUN - SAN

1 stop27h 11mFrontier

Deal found 12/1

$346

Tue 1/67:00 amSAN - CUN

1 stop7h 36mFrontier

Sat 1/103:34 pmCUN - SAN

2 stops45h 23mFrontier

Deal found 12/2

$347

Wed 1/73:29 pmSAN - CUN

1 stop22h 28mFrontier

Sat 1/103:34 pmCUN - SAN

2 stops45h 23mFrontier

Deal found 12/1

$350

Sat 1/107:00 amSAN - CUN

2 stops24h 00mMultiple Airlines

Thu 1/1511:05 amCUN - SAN

1 stop16h 19mMultiple Airlines

Deal found 12/1

$352

Sat 1/108:00 amSAN - CUN

1 stop23h 54mMultiple Airlines

Fri 1/1611:59 amCUN - SAN

1 stop26h 44mMultiple Airlines

Deal found 12/1

$354

Tue 1/205:10 pmSAN - CUN

2 stops16h 06mMultiple Airlines

Tue 1/2711:40 amCUN - SAN

1 stop27h 03mMultiple Airlines

Deal found 12/2

$331

Wed 1/215:10 pmSAN - CUN

1 stop14h 44mMultiple Airlines

Wed 1/2811:40 amCUN - SAN

1 stop27h 03mMultiple Airlines

Deal found 12/2

$348

Sat 1/245:10 pmSAN - CUN

1 stop14h 44mMultiple Airlines

Mon 1/2611:40 amCUN - SAN

1 stop27h 03mMultiple Airlines

Deal found 12/2

$330

One-way flights from San Diego to Cancún
Search for one-way flight options from San Diego to Cancún. Find affordable one-way fares based on user searches. Data last updated December 3, 2025.

Tue 1/1312:00 pmSAN - CUN

3 stops24h 28mMultiple Airlines

Deal found 12/2

$151

Wed 1/77:00 amSAN - CUN

1 stop7h 36mFrontier

Deal found 12/2

$156

Fri 2/69:45 pmSAN - CUN

2 stops33h 15mMultiple Airlines

Deal found 12/2

$159

Thu 2/59:45 pmSAN - CUN

2 stops36h 17mMultiple Airlines

Deal found 12/2

$162

Thu 1/159:12 pmSAN - CUN

2 stops33h 48mMultiple Airlines

Deal found 12/2

$168

Mon 12/81:33 pmSAN - CUN

2 stops41h 45mFrontier

Deal found 11/30

$170

Wed 2/47:00 amSAN - CUN

3 stops26h 16mMultiple Airlines

Deal found 12/2

$172

Wed 2/117:12 pmSAN - CUN

2 stops17h 16mMultiple Airlines

Deal found 12/1

$179

Tue 12/97:59 pmSAN - CUN

2 stops15h 11mDelta

Deal found 11/30

$180

Find flight deals from San Diego to Cancún

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$315 (Kiwi.com)
One-way from	$151 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$711

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. 8% potential increase in price ($51 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 3/6

4:47 pm-2:59 pm

2 stops19h 12m

Cancun

Tue 3/10

12:13 pm-7:15 pm

1 stop9h 02m

$365

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 12/21

7:10 pm-4:20 pm

1 stop18h 10m

Cancun

Wed 12/31

5:05 pm-10:42 am

1 stop20h 37m

$387

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 12/21

7:10 pm-4:20 pm

1 stop18h 10m

Cancun

Tue 12/30

8:20 am-9:38 pm

1 stop16h 18m

$387

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 3/29

9:25 pm-9:00 am

1 stop9h 35m

Cancun

Wed 4/1

8:00 am-11:09 pm

1 stop17h 09m

$393

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 3/16

9:25 pm-9:00 am

1 stop9h 35m

Cancun

Fri 3/20

6:18 pm-9:17 am

1 stop16h 59m

$393

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 3/16

6:15 am-3:46 pm

1 stop7h 31m

Cancun

Fri 3/20

5:30 am-11:10 am

1 stop7h 40m

$436

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 12/29

10:20 pm-4:05 pm

1 stop14h 45m

Cancun

Thu 1/8

12:05 pm-10:47 pm

2 stops13h 42m

$438

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 4/5

5:45 pm-10:40 am

1 stop14h 55m

Cancun

Sat 4/11

7:06 am-8:44 pm

2 stops15h 38m

$438

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 4/6

10:10 pm-1:10 pm

1 stop13h 00m

Cancun

Sat 4/11

7:06 am-8:44 pm

2 stops15h 38m

$438

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 4/28

10:00 am-12:27 am

2 stops12h 27m

Cancun

Tue 5/5

7:06 am-6:54 pm

2 stops13h 48m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 20 results

Compare providers for flights from San Diego to Cancún

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars
Gotogate	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Diego-Cancún flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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?

To ensure you get the cheapest price possible for a flight from San Diego to Cancún, you should look to book at least 36 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 $377). 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?

It’s optimal to fly from San Diego to Cancún at noon. By choosing this option you can save up to 60% 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?

Travelers seeking maximum savings on their San Diego to Cancún flight should consider departing on Saturday at noon 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

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

4,253 reviews

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

4,253 reviews

Southwest

8.0

Very good

4,253 reviews

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

8,011 reviews

Southwest

8.0

Very good

4,253 reviews

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

9,063 reviews

Southwest

8.0

Very good

4,253 reviews

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

11,045 reviews

Southwest

8.0

Very good

4,253 reviews

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

5.8

Fair

3,094 reviews

Southwest

8.0

Very good

4,253 reviews

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

How long is the flight from San Diego to Cancún?
For as low as $387, Frontier can have you in Cancún from San Diego in 18h 10m. 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 Aeromexico and Frontier, starting at $199 and $207 round-trip. You may be able to fly from San Diego to Cancún for 67% 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.
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 Dos Equis Pavilion more than anywhere else. Travelers on a layover in Dallas can visit American Airlines Center, Dallas World Aquarium, and Dos Equis Pavilion, by traveling 15.0 mi, 15.5 mi, and 18.3 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 $51.
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, 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 $377). 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

Puerto Aventuras

Holbox

Punta Sam

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Diego to Cancún

Los Angeles to Cancún flights

San Francisco to Cancún flights

Los Angeles to Cozumel flights

Ontario to Cancún flights

San Francisco to Cozumel flights

Tijuana to Cancún flights

Ontario to Cozumel flights

Oakland to Cancún flights

Sacramento to Cancún flights

Las Vegas to Cancún flights

San Jose to Cancún flights

Burbank to Cancún flights

Santa Ana to Cancún flights

Sacramento to Cozumel flights

San Diego to Cozumel flights

Las Vegas to Cozumel flights

Reno to Cancún flights

Fresno to Cancún flights

San Jose to Cozumel flights

Santa Ana to Cozumel flights

Reno to Cozumel flights

Oakland to Cozumel flights

Medford to Cancún flights

San Luis Obispo to Cancún flights

Palm Springs to Cancún flights

Santa Rosa to Cancún flights

Santa Barbara to Cancún flights

Long Beach to Cancún flights

Arcata to Cancún flights

Burbank to Cozumel flights

Monterey to Cancún flights

San Francisco to Chetumal flights

Los Angeles to Chetumal flights

Santa Rosa to Cozumel flights

Long Beach to Cozumel flights

Yuma to Cancún flights

Mexicali to Cancún flights

Oakland to Chetumal flights

Merced to Cancún flights

Fresno to Chetumal flights

Other flights to Cancún

Top 7 airlines flying from San Diego to Cancún

Airline	Cheapest	Average	Flexibility	On-time
Aeromexico	Cheapest$203	Average$468	FlexibilityNo cancel fee	On-timeN/A
Frontier	Cheapest$274	Average$421	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$279	Average$338	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$350	Average$526	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$368	Average$534	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$372	Average$556	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$400	Average$616	FlexibilityNo cancel fee	On-time63%

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.

$151+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Cancún with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Diego to Cancun are usually found in August or July, booked 36 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap flight deals from San Diego to Cancún

Cheapest flights from San Diego to CancúnExplore 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 December 3, 2025.

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 December 3, 2025.

Find flight deals from San Diego to Cancún

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Cancún that are best for you.

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 December.

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.

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?

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

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

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

Reviews of airlines servicing Cancún

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.

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?

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

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

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

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

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

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

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

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

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

Traveling to a place near Cancún?

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.

Alternative routes for San Diego to Cancún

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from San Diego to Cancún

100% Free

Book with Flexibility

Travel Smart

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 December 3, 2025.