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Cheap flights from San Diego to Cancún from $143

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:20 pm - 3:25 pmSAN  San Diego-CUN Cancun
15h 05m1 stop Miami
American Airlines Logo
2:09 pm - 10:43 pmCUN  Cancun-SAN San Diego
10h 34m1 stop Miami
$414American Airlines
Mon, Oct 5 - Wed, Oct 14
American Airlines Logo
6:15 am - 4:54 pmSAN  San Diego-CUN Cancun
7h 39m1 stop Dallas/Fort Worth
American Airlines Logo
5:54 pm - 10:59 pmCUN  Cancun-SAN San Diego
8h 05m1 stop Dallas/Fort Worth
$414American Airlines
Tue, Jan 19 - Tue, Jan 26
Air Canada Logo
12:55 pm - 10:30 pmSAN  San Diego-CUN Cancun
31h 35m1 stop Toronto Pearson Intl
Air Canada Logo
6:10 pm - 4:25 pmCUN  Cancun-SAN San Diego
25h 15m1 stop Vancouver Intl
$436Air Canada
Thu, Oct 29 - Thu, Nov 5
Multiple Airlines Logo
10:30 am - 2:15 amSAN  San Diego-CUN Cancun
12h 45m2 stops Las Vegas Harry Reid Intl Mexico City Benito Juarez
Multiple Airlines Logo
7:30 am - 12:40 pmCUN  Cancun-SAN San Diego
32h 10m1 stop Calgary
$456Multiple Airlines
Wed, Dec 9 - Sat, Dec 12
Southwest Logo
6:30 am - 7:45 pmSAN  San Diego-CUN Cancun
10h 15m1 stop Baltimore/Washington
Southwest Logo
3:00 pm - 11:30 pmCUN  Cancun-SAN San Diego
11h 30m1 stop Houston Hobby
$518Southwest
Mon, Feb 8 - Fri, Feb 12
Southwest Logo
6:35 am - 5:25 pmSAN  San Diego-CUN Cancun
7h 50m1 stop Houston Hobby
Southwest Logo
3:00 pm - 10:55 pmCUN  Cancun-SAN San Diego
10h 55m2 stops Houston Hobby Phoenix Sky Harbor Intl
$523Southwest
Mon, Feb 8 - Fri, Feb 12
United Airlines Logo
6:15 am - 7:19 pmSAN  San Diego-CUN Cancun
11h 04m2 stops Los Angeles Houston George Bush Intcntl
United Airlines Logo
7:51 am - 1:17 pmCUN  Cancun-SAN San Diego
7h 26m1 stop Houston George Bush Intcntl
$530United Airlines
Mon, Oct 5 - Wed, Oct 14
United Airlines Logo
7:41 pm - 7:13 amSAN  San Diego-CUN Cancun
8h 32m1 stop San Francisco
United Airlines Logo
6:05 pm - 12:29 amCUN  Cancun-SAN San Diego
9h 24m1 stop San Francisco
$530United Airlines
Tue, Jan 19 - Tue, Jan 26
Delta Logo
3:30 pm - 11:15 amSAN  San Diego-CUN Cancun
16h 45m1 stop Detroit Metropolitan Wayne County
Delta Logo
1:33 pm - 10:55 pmCUN  Cancun-SAN San Diego
12h 22m2 stops Mexico City Benito Juarez Los Angeles
$530Delta
Tue, Jan 19 - Tue, Jan 26
Delta Logo
10:30 pm - 11:13 amSAN  San Diego-CUN Cancun
9h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:24 am - 10:56 pmCUN  Cancun-SAN San Diego
16h 32m2 stops Mexico City Benito Juarez Los Angeles
$530Delta
Mon, Nov 30 - Tue, Dec 8

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Aeromexico flights from San Diego to Cancún

Our best Aeromexico deals on San Diego to Cancún flight tickets
Aeromexico
Oct 23
SAN9:45 pmSan Diego
14h 40m
1 stop
CUN2:25 pmCancun
Oct 28
CUN8:00 amCancun
13h 36m
1 stop
SAN7:36 pmSan Diego
$528
Aeromexico
Feb 27
SAN3:59 pmSan Diego
14h 46m
2 stops
CUN9:45 amCancun
Mar 6
CUN8:38 amCancun
17h 17m
2 stops
SAN10:55 pmSan Diego
$538
Aeromexico
Sep 15
SAN6:20 amSan Diego
11h 30m
1 stop
CUN7:50 pmCancun
Sep 18
CUN6:03 amCancun
19h 48m
2 stops
SAN11:51 pmSan Diego
$754

Delta flights from San Diego to Cancún

Our best Delta deals on San Diego to Cancún flight tickets
Delta
Jan 19
SAN3:30 pmSan Diego
16h 45m
1 stop
CUN11:15 amCancun
Jan 26
CUN1:33 pmCancun
12h 22m
2 stops
SAN10:55 pmSan Diego
$530
Delta
Nov 7
SAN6:39 amSan Diego
14h 49m
2 stops
CUN12:28 amCancun
Nov 12
CUN2:57 pmCancun
9h 07m
1 stop
SAN9:04 pmSan Diego
$534
Delta
Oct 5
SAN6:20 amSan Diego
11h 30m
1 stop
CUN7:50 pmCancun
Oct 14
CUN6:04 amCancun
11h 15m
2 stops
SAN3:19 pmSan Diego
$540

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Mon 10/5

10:20 pm-3:25 pm

1 stop15h 05m

Cancun

Wed 10/14

2:09 pm-10:43 pm

1 stop10h 34m

$414
Quickest round-trip

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Tue 1/19

6:15 am-4:54 pm

1 stop7h 39m

Cancun

Tue 1/26

5:54 pm-10:59 pm

1 stop8h 05m

$414

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Thu 10/29

12:55 pm-10:30 pm

1 stop31h 35m

Cancun

Thu 11/5

6:10 pm-4:25 pm

1 stop25h 15m

$436

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Wed 12/9

10:30 am-2:15 am

2 stops12h 45m

Cancun

Sat 12/12

7:30 am-12:40 pm

1 stop32h 10m

$456

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Mon 2/8

6:30 am-7:45 pm

1 stop10h 15m

Cancun

Fri 2/12

3:00 pm-11:30 pm

1 stop11h 30m

$518

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Mon 2/8

6:35 am-5:25 pm

1 stop7h 50m

Cancun

Fri 2/12

3:00 pm-10:55 pm

2 stops10h 55m

$523

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Mon 10/5

6:15 am-7:19 pm

2 stops11h 04m

Cancun

Wed 10/14

7:51 am-1:17 pm

1 stop7h 26m

$530

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Tue 1/19

7:41 pm-7:13 am

1 stop8h 32m

Cancun

Tue 1/26

6:05 pm-12:29 am

1 stop9h 24m

$530

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Tue 1/19

3:30 pm-11:15 am

1 stop16h 45m

Cancun

Tue 1/26

1:33 pm-10:55 pm

2 stops12h 22m

$530

San DiegoCancún

SAN San Diego - CUN Cancun

SANCUN

San Diego

Mon 11/30

10:30 pm-11:13 am

1 stop9h 43m

Cancun

Tue 12/8

9:24 am-10:56 pm

2 stops16h 32m

$530

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from San Diego to Cancún

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Diego and Cancún?

Prices are currently low for flights on this route.

Typical prices usually range from $503 to $817.
The lowest price recently found on this route was $414.

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in January, then you should wait until October to fly from San Diego, when ticket prices are also cheap, with an average price of $495.

How far in advance should I book a flight from San Diego to Cancún?

You are more likely to see cheaper flights to Cancún from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $570 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from San Diego for as low as $430 on momondo.

How have San Diego to Cancún flight prices changed over time?

As of September 2026, prices for San Diego to Cancún flights are approximately 122% more expensive when compared to flights at the same time last year.

When to book flights from San Diego to Cancún

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Cancún according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Cancún (SAN to CUN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Cancún

Best Price Found

$143

Fastest flight time

8h 32m

Direct flights

None
The best one-way flight to Cancún from San Diego in the past 72 hours is $143. The best round-trip flight deal from San Diego to Cancún found on momondo in the last 72 hours is $414.
The fastest flight from San Diego to Cancún takes 8h 32m
There are no direct flights from San Diego to Cancún. There are no popular flight routes from San Diego to Cancún.
Search flight deals

Frequently asked questions about flying from San Diego to Cancún

  • How far is San Diego to Cancun by plane?

    The straight-line distance from San Diego to Cancun is 2020.9 mi. Flights usually cover this in 8h 32m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Diego Airport to Cancun Airport?

    Prices for flights from San Diego Airport to Cancun Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Diego Airport to Cancun Airport?

  • How old do you have to be to fly from San Diego Airport to Cancun Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Cancun Airport.

  • What documentation or ID do you need to fly to Cancun Airport?

    The necessary travel and health documents for your Cancun Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Diego to Cancún?

Best airlines flying from San Diego to Cancún

Compare and see reviews for airlines that fly from San Diego to Cancún with momondo
Airline
Rating
Free Cancellation
Price
VivaPriceFrom $312Free CancellationRating
7.0
803 reviews
Search Viva flights
FrontierPriceFrom $318Free CancellationRating
5.6
2,600 reviews
Search Frontier flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
10,208 reviews
Search United Airlines flights
American AirlinesPriceFrom $371Free CancellationRating
7.1
12,056 reviews
Search American Airlines flights
DeltaPriceFrom $389Free CancellationRating
7.8
8,568 reviews
Search Delta flights
SouthwestPriceFrom $478Free CancellationRating
8.0
4,190 reviews
Search Southwest flights

Traveling to a place near Cancún?

Book flights to Cancún if you plan to visit one of these locations
Playa del Carmen
Isla Mujeres
Puerto Morelos
Holbox
Akumal
Puerto Aventuras
Punta Sam
Valladolid

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Cancún?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cancún from San Diego.

Can I find flights from San Diego to Cancún with flexible booking policies on momondo?

momondo does allow users to show only those flights to Cancún from San Diego which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Diego to Cancún?

momondo helps you find the best flight between San Diego and Cancún by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Diego to Cancún right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Diego to Cancún now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cancún and let you know when they change.

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