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Cheap flights from San Diego to Cancún from $120

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 1/6. 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

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Find the cheapest flights from San Diego to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:14 pm - 5:12 pmSAN-CUN
17h 58m1 stop
Multiple Airlines Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$323Multiple Airlines
Find Deal
Tue, Dec 23 - Thu, Dec 25
Frontier Logo
4:22 pm - 3:43 pmSAN-CUN
20h 21m1 stop
Frontier Logo
4:58 pm - 12:01 amCUN-SAN
10h 03m1 stop
$328Frontier
Find Deal
Sun, Feb 15 - Fri, Feb 20
Frontier Logo
3:29 pm - 5:36 pmSAN-CUN
23h 07m1 stop
Frontier Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$329Frontier
Find Deal
Tue, Jan 6 - Sun, Jan 11
Multiple Airlines Logo
5:53 pm - 4:42 pmSAN-CUN
19h 49m1 stop
Multiple Airlines Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$334Multiple Airlines
Find Deal
Sun, Dec 14 - Fri, Dec 19
Multiple Airlines Logo
4:33 pm - 1:13 pmSAN-CUN
17h 40m2 stops
Multiple Airlines Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$338Multiple Airlines
Find Deal
Sun, Dec 14 - Fri, Dec 19
Multiple Airlines Logo
3:29 pm - 9:50 amSAN-CUN
39h 21m2 stops
Multiple Airlines Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$343Multiple Airlines
Find Deal
Wed, Jan 7 - Mon, Jan 12
Multiple Airlines Logo
3:29 pm - 11:51 amSAN-CUN
17h 22m2 stops
Multiple Airlines Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$344Multiple Airlines
Find Deal
Tue, Jan 6 - Sun, Jan 11
Multiple Airlines Logo
4:22 pm - 3:43 pmSAN-CUN
20h 21m1 stop
Multiple Airlines Logo
10:50 am - 12:01 amCUN-SAN
16h 11m2 stops
$349Multiple Airlines
Find Deal
Sun, Feb 15 - Fri, Feb 20
Multiple Airlines Logo
4:22 pm - 3:43 pmSAN-CUN
20h 21m1 stop
Multiple Airlines Logo
10:50 am - 12:01 amCUN-SAN
16h 11m2 stops
$350Multiple Airlines
Find Deal
Sun, Feb 15 - Fri, Feb 20
Frontier Logo
7:00 am - 5:36 pmSAN-CUN
7h 36m1 stop
Frontier Logo
4:58 pm - 11:59 pmCUN-SAN
10h 01m1 stop
$353Frontier
Find Deal
Wed, Jan 7 - Mon, Jan 12

Frontier flights from San Diego to Cancún

Our best Frontier deals on San Diego to Cancún flight tickets
Frontier
Feb 15
SAN4:22 pmSan Diego
20h 21m
1 stop
CUN3:43 pmCancun
Feb 20
CUN4:58 pmCancun
10h 03m
1 stop
SAN12:01 amSan Diego
$328
Find similar
Frontier
Jan 6
SAN3:29 pmSan Diego
23h 07m
1 stop
CUN5:36 pmCancun
Jan 11
CUN4:58 pmCancun
10h 01m
1 stop
SAN11:59 pmSan Diego
$329
Find similar
Frontier
Jan 7
SAN7:00 amSan Diego
7h 36m
1 stop
CUN5:36 pmCancun
Jan 12
CUN4:58 pmCancun
10h 01m
1 stop
SAN11:59 pmSan Diego
$353
Find similar

Delta flights from San Diego to Cancún

Our best Delta deals on San Diego to Cancún flight tickets
Delta
Dec 16
SAN6:20 amSan Diego
8h 40m
1 stop
CUN6:00 pmCancun
Dec 23
CUN8:20 amCancun
10h 13m
1 stop
SAN3:33 pmSan Diego
$361
Find similar
Delta
Dec 7
SAN6:15 amSan Diego
12h 05m
1 stop
CUN9:20 pmCancun
Dec 12
CUN7:50 amCancun
14h 27m
2 stops
SAN7:17 pmSan Diego
$362
Find similar
Delta
Jan 18
SAN10:00 pmSan Diego
13h 00m
1 stop
CUN2:00 pmCancun
Jan 24
CUN11:15 amCancun
14h 32m
2 stops
SAN10:47 pmSan Diego
$367
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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 November 20, 2025.
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

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 12/23

8:14 pm-5:12 pm

1 stop17h 58m

Cancun

Thu 12/25

4:58 pm-11:59 pm

1 stop10h 01m

$323

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 2/15

4:22 pm-3:43 pm

1 stop20h 21m

Cancun

Fri 2/20

4:58 pm-12:01 am

1 stop10h 03m

$328

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 1/6

3:29 pm-5:36 pm

1 stop23h 07m

Cancun

Sun 1/11

4:58 pm-11:59 pm

1 stop10h 01m

$329

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 12/14

5:53 pm-4:42 pm

1 stop19h 49m

Cancun

Fri 12/19

4:58 pm-11:59 pm

1 stop10h 01m

$334

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 12/14

4:33 pm-1:13 pm

2 stops17h 40m

Cancun

Fri 12/19

4:58 pm-11:59 pm

1 stop10h 01m

$338

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 1/7

3:29 pm-9:50 am

2 stops39h 21m

Cancun

Mon 1/12

4:58 pm-11:59 pm

1 stop10h 01m

$343

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 1/6

3:29 pm-11:51 am

2 stops17h 22m

Cancun

Sun 1/11

4:58 pm-11:59 pm

1 stop10h 01m

$344

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 2/15

4:22 pm-3:43 pm

1 stop20h 21m

Cancun

Fri 2/20

10:50 am-12:01 am

2 stops16h 11m

$349

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 2/15

4:22 pm-3:43 pm

1 stop20h 21m

Cancun

Fri 2/20

10:50 am-12:01 am

2 stops16h 11m

$350

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 1/7

7:00 am-5:36 pm

1 stop7h 36m

Cancun

Mon 1/12

4:58 pm-11:59 pm

1 stop10h 01m

$353

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 cheapest month to fly to Cancún?

If you don’t want to visit Cancún in August, then you should wait until July to fly from San Diego, when ticket prices are also cheap, with an average price of $475.

What is the cheapest day to depart on your flight to Cancún?

The cheapest day to depart from San Diego to Cancún is on a Saturday when prices can be found for as low as $353. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $569. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our most recent data shows that the best time of day to fly to Cancún is in the evening. Flights from San Diego to Cancún during this time can be as low as $478. Flights to Cancún are more costly in the afternoon, with an average ticket price of $572. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $550 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 $450 on momondo.

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

As of November 2025, prices for San Diego to Cancún flights are approximately 21% 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

Direct flights

None
There are no direct flights from San Diego to Cancún. There are no popular flight routes from San Diego to Cancún.
Search flight deals

  • 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 6h 50m, 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
AeromexicoPriceFrom $203Free CancellationRating
7.4
1,659 reviews
Search Aeromexico flights
FrontierPriceFrom $274Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $279Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,029 reviews
Search United Airlines flights
DeltaPriceFrom $368Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $376Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
SouthwestPriceFrom $400Free CancellationRating
8.0
4,251 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
Valladolid
Punta Sam

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.

An easier way to manage your Cancún trip

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