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Cheap flights from San Diego to Cancún from $131

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Cancún departing on 5/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
Frontier Logo
1:14 pm - 8:42 am
CUN
-
SAN
21h 28m
2 stops
$348Frontier
Sun, May 24 - Thu, May 28
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
Frontier Logo
3:39 pm - 8:42 am
CUN
-
SAN
19h 03m
1 stop
$349Frontier
Sun, May 24 - Tue, Jun 2
Frontier Logo
6:25 am - 9:15 am
SAN
-
CUN
24h 50m
2 stops
Frontier Logo
3:39 pm - 8:42 am
CUN
-
SAN
19h 03m
1 stop
$351Frontier
Sun, May 24 - Tue, Jun 2
Multiple Airlines Logo
6:25 am - 9:15 am
SAN
-
CUN
24h 50m
2 stops
Multiple Airlines Logo
1:15 pm - 6:25 pm
CUN
-
SAN
31h 10m
1 stop
$353Multiple Airlines
Sat, May 16 - Fri, May 29
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
Frontier Logo
3:39 pm - 8:42 am
CUN
-
SAN
19h 03m
1 stop
$360Frontier
Sun, May 24 - Tue, Jun 2
Frontier Logo
6:25 am - 9:15 am
SAN
-
CUN
24h 50m
2 stops
Frontier Logo
3:39 pm - 8:42 am
CUN
-
SAN
19h 03m
1 stop
$363Frontier
Sun, May 24 - Tue, Jun 2
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
Frontier Logo
11:02 am - 6:50 pm
CUN
-
SAN
9h 48m
1 stop
$364Frontier
Mon, Jun 1 - Wed, Jun 10
Frontier Logo
9:00 pm - 9:09 am
SAN
-
CUN
34h 09m
2 stops
Frontier Logo
10:19 am - 12:43 pm
CUN
-
SAN
28h 24m
2 stops
$367Frontier
Mon, May 4 - Sat, May 9
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
Frontier Logo
11:02 am - 6:50 pm
CUN
-
SAN
9h 48m
1 stop
$368Frontier
Mon, Jun 1 - Wed, Jun 10
Frontier Logo
10:04 pm - 9:09 am
SAN
-
CUN
33h 05m
2 stops
Frontier Logo
3:22 pm - 5:59 pm
CUN
-
SAN
52h 37m
2 stops
$370Frontier
Sat, May 9 - Thu, May 14

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Frontier flights from San Diego to Cancún

Our best Frontier deals on San Diego to Cancún flight tickets
Frontier
Jun 5
SAN1:38 pmSan Diego
44h 26m
2 stops
CUN12:04 pmCancun
Jun 10
CUN11:02 amCancun
9h 48m
1 stop
SAN6:50 pmSan Diego
$348
Frontier
May 24
SAN6:25 amSan Diego
27h 39m
1 stop
CUN12:04 pmCancun
Jun 2
CUN3:39 pmCancun
19h 03m
1 stop
SAN8:42 amSan Diego
$349
Frontier
May 24
SAN6:25 amSan Diego
24h 50m
2 stops
CUN9:15 amCancun
Jun 2
CUN3:39 pmCancun
19h 03m
1 stop
SAN8:42 amSan Diego
$351

Aeromexico flights from San Diego to Cancún

Our best Aeromexico deals on San Diego to Cancún flight tickets
Aeromexico
May 1
SAN9:45 pmSan Diego
12h 55m
1 stop
CUN12:40 pmCancun
May 5
CUN12:40 pmCancun
12h 45m
1 stop
SAN11:25 pmSan Diego
$668
Aeromexico
Apr 30
SAN6:15 amSan Diego
12h 00m
1 stop
CUN8:15 pmCancun
May 5
CUN4:15 pmCancun
9h 27m
1 stop
SAN11:42 pmSan Diego
$674
Aeromexico
May 7
SAN6:15 amSan Diego
12h 01m
1 stop
CUN8:16 pmCancun
May 11
CUN8:50 pmCancun
28h 37m
2 stops
SAN11:27 pmSan Diego
$677

momondo 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, momondo users made 832,500 searches. Data last updated April 23, 2026.
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 - CUN

SANCUN

San Diego

Sun 5/24

6:25 am-12:04 pm

1 stop27h 39m

Cancun

Thu 5/28

1:14 pm-8:42 am

2 stops21h 28m

$348

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 5/24

6:25 am-12:04 pm

1 stop27h 39m

Cancun

Tue 6/2

3:39 pm-8:42 am

1 stop19h 03m

$349

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 5/24

6:25 am-9:15 am

2 stops24h 50m

Cancun

Tue 6/2

3:39 pm-8:42 am

1 stop19h 03m

$351

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 5/16

6:25 am-9:15 am

2 stops24h 50m

Cancun

Fri 5/29

1:15 pm-6:25 pm

1 stop31h 10m

$353

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 5/24

6:25 am-12:04 pm

1 stop27h 39m

Cancun

Tue 6/2

3:39 pm-8:42 am

1 stop19h 03m

$360

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 5/24

6:25 am-9:15 am

2 stops24h 50m

Cancun

Tue 6/2

3:39 pm-8:42 am

1 stop19h 03m

$363
Quickest round-trip

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 6/1

6:25 am-12:04 pm

1 stop27h 39m

Cancun

Wed 6/10

11:02 am-6:50 pm

1 stop9h 48m

$364

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 5/4

9:00 pm-9:09 am

2 stops34h 09m

Cancun

Sat 5/9

10:19 am-12:43 pm

2 stops28h 24m

$367

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 6/1

6:25 am-12:04 pm

1 stop27h 39m

Cancun

Wed 6/10

11:02 am-6:50 pm

1 stop9h 48m

$368

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 5/9

10:04 pm-9:09 am

2 stops33h 05m

Cancun

Thu 5/14

3:22 pm-5:59 pm

2 stops52h 37m

$370

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?

What is the cheapest month to fly to Cancún?

If you don’t want to visit Cancún in August, then you should wait until September to fly from San Diego, when ticket prices are also cheap, with an average price of $455.

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 $529 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 $431 on momondo.

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

As of April 2026, prices for San Diego to Cancún flights are approximately 54% 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

Fastest flight time

9h 19m

Direct flights

None
The fastest flight from San Diego to Cancún takes 9h 19m
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 9h 19m, 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
DeltaPriceFrom $222Free CancellationRating
7.9
8,438 reviews
Search Delta flights
FrontierPriceFrom $322Free CancellationRating
5.6
2,981 reviews
Search Frontier flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,637 reviews
Search United Airlines flights
American AirlinesPriceFrom $350Free CancellationRating
7.1
11,659 reviews
Search American Airlines flights
SouthwestPriceFrom $393Free CancellationRating
8.0
4,327 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
Holbox
Puerto Morelos
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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