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Cheap flights from San Diego to Cancún from $104

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 10/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Diego to Cancún

Cheap round-trip flights

Southwest Logo
6:50 am - 4:15 pmSAN-CUN
7h 25m1 stop
Southwest Logo
3:20 pm - 11:05 pmCUN-SAN
9h 45m2 stops
$330Southwest
Find Deal
Mon, Oct 20 - Fri, Oct 24
Aeromexico Logo
6:24 am - 9:20 pmSAN-CUN
11h 56m1 stop
Aeromexico Logo
8:00 am - 8:13 pmCUN-SAN
15h 13m1 stop
$331Aeromexico
Find Deal
Mon, Nov 10 - Fri, Nov 14
United Airlines Logo
10:23 am - 8:18 pmSAN-CUN
6h 55m1 stop
United Airlines Logo
8:39 am - 4:16 pmCUN-SAN
10h 37m1 stop
$348United Airlines
Find Deal
Tue, Dec 2 - Sat, Dec 6
United Airlines Logo
8:00 am - 5:50 pmSAN-CUN
6h 50m1 stop
United Airlines Logo
4:51 pm - 9:53 pmCUN-SAN
8h 02m1 stop
$349United Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
American Airlines Logo
9:54 pm - 2:16 pmSAN-CUN
13h 22m1 stop
American Airlines Logo
8:45 am - 2:32 pmCUN-SAN
8h 47m1 stop
$353American Airlines
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Sun, Dec 7 - Sat, Dec 13
American Airlines Logo
10:45 am - 8:00 pmSAN-CUN
7h 15m1 stop
American Airlines Logo
7:45 am - 2:23 pmCUN-SAN
8h 38m1 stop
$354American Airlines
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Fri, Oct 17 - Tue, Oct 21
Delta Logo
10:30 pm - 10:05 amSAN-CUN
8h 35m1 stop
Delta Logo
12:05 pm - 10:55 pmCUN-SAN
13h 50m2 stops
$360Delta
Find Deal
Sun, Jan 4 - Fri, Jan 9
Delta Logo
6:35 am - 6:00 pmSAN-CUN
8h 25m1 stop
Delta Logo
3:07 pm - 11:47 pmCUN-SAN
11h 40m1 stop
$363Delta
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Fri, Nov 28 - Fri, Dec 5
Frontier Logo
2:24 pm - 3:04 pmSAN-CUN
22h 40m1 stop
Frontier Logo
1:30 pm - 9:24 pmCUN-SAN
33h 54m2 stops
$382Frontier
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Sat, Oct 25 - Fri, Oct 31
Frontier Logo
7:00 am - 3:04 pmSAN-CUN
30h 04m1 stop
Frontier Logo
11:26 am - 6:28 pmCUN-SAN
33h 02m2 stops
$392Frontier
Find Deal
Sat, Oct 18 - Sat, Oct 25

Aeromexico flights from San Diego to Cancún

Our best Aeromexico deals on San Diego to Cancún flight tickets
Aeromexico
Nov 10
SAN6:24 amSan Diego
11h 56m
1 stop
CUN9:20 pmCancun
Nov 14
CUN8:00 amCancun
15h 13m
1 stop
SAN8:13 pmSan Diego
$331
Find similar
Aeromexico
Nov 13
SAN6:24 amSan Diego
11h 56m
1 stop
CUN9:20 pmCancun
Nov 20
CUN1:32 pmCancun
10h 41m
1 stop
SAN9:13 pmSan Diego
$339
Find similar
Aeromexico
Mar 10
SAN10:40 pmSan Diego
8h 20m
1 stop
CUN9:00 amCancun
Mar 11
CUN11:10 amCancun
9h 43m
1 stop
SAN6:53 pmSan Diego
$356
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United Airlines flights from San Diego to Cancún

Our best United Airlines deals on San Diego to Cancún flight tickets
United Airlines
Dec 2
SAN10:23 amSan Diego
6h 55m
1 stop
CUN8:18 pmCancun
Dec 6
CUN8:39 amCancun
10h 37m
1 stop
SAN4:16 pmSan Diego
$348
Find similar
United Airlines
Nov 4
SAN8:00 amSan Diego
6h 50m
1 stop
CUN5:50 pmCancun
Nov 8
CUN4:51 pmCancun
8h 02m
1 stop
SAN9:53 pmSan Diego
$349
Find similar
United Airlines
Oct 19
SAN8:39 pmSan Diego
8h 02m
1 stop
CUN6:41 amCancun
Oct 22
CUN2:24 pmCancun
7h 28m
1 stop
SAN7:52 pmSan Diego
$351
Find similar

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 September 30, 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

Mon 10/20

6:50 am-4:15 pm

1 stop7h 25m

Cancun

Fri 10/24

3:20 pm-11:05 pm

2 stops9h 45m

$330

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 11/10

6:24 am-9:20 pm

1 stop11h 56m

Cancun

Fri 11/14

8:00 am-8:13 pm

1 stop15h 13m

$331

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 12/2

10:23 am-8:18 pm

1 stop6h 55m

Cancun

Sat 12/6

8:39 am-4:16 pm

1 stop10h 37m

$348

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 11/4

8:00 am-5:50 pm

1 stop6h 50m

Cancun

Sat 11/8

4:51 pm-9:53 pm

1 stop8h 02m

$349

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 12/7

9:54 pm-2:16 pm

1 stop13h 22m

Cancun

Sat 12/13

8:45 am-2:32 pm

1 stop8h 47m

$353

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 10/17

10:45 am-8:00 pm

1 stop7h 15m

Cancun

Tue 10/21

7:45 am-2:23 pm

1 stop8h 38m

$354

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 1/4

10:30 pm-10:05 am

1 stop8h 35m

Cancun

Fri 1/9

12:05 pm-10:55 pm

2 stops13h 50m

$360

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Fri 11/28

6:35 am-6:00 pm

1 stop8h 25m

Cancun

Fri 12/5

3:07 pm-11:47 pm

1 stop11h 40m

$363

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 10/25

2:24 pm-3:04 pm

1 stop22h 40m

Cancun

Fri 10/31

1:30 pm-9:24 pm

2 stops33h 54m

$382

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sat 10/18

7:00 am-3:04 pm

1 stop30h 04m

Cancun

Sat 10/25

11:26 am-6:28 pm

2 stops33h 02m

$392

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 July to fly from San Diego, when ticket prices are also cheap, with an average price of $491.

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 $547 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 $418 on momondo.

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

As of September 2025, prices for San Diego to Cancún flights are approximately 26% 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.
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  • 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 plane model from San Diego to Cancún?

  • 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
1,691 reviews
Search Aeromexico flights
FrontierPriceFrom $274Free CancellationRating
5.8
3,157 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $279Free CancellationRating
6.3
8,056 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
DeltaPriceFrom $366Free CancellationRating
7.9
7,964 reviews
Search Delta flights
American AirlinesPriceFrom $396Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $404Free CancellationRating
8.0
4,245 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.

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