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Cheap flights from San Diego to Cancún from $128

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 9/10. 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

American Airlines Logo
10:17 pm - 1:25 pmSAN-CUN
13h 08m1 stop
American Airlines Logo
7:50 am - 8:20 pmCUN-SAN
14h 30m1 stop
$259American Airlines
Find Deal
Tue, Sep 2 - Fri, Sep 5
Spirit Airlines Logo
7:47 pm - 12:59 pmSAN-CUN
15h 12m2 stops
Spirit Airlines Logo
9:54 am - 7:29 amCUN-SAN
23h 35m2 stops
$285Spirit Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
6:15 am - 7:20 pmSAN-CUN
11h 05m2 stops
United Airlines Logo
3:01 pm - 9:41 pmCUN-SAN
8h 40m1 stop
$306United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Logo
10:30 pm - 12:59 amSAN-CUN
24h 29m2 stops
Logo
9:54 am - 7:29 amCUN-SAN
23h 35m2 stops
$307
Find Deal
Mon, Sep 8 - Sat, Sep 13
Frontier Logo
4:26 pm - 10:15 amSAN-CUN
15h 49m1 stop
Frontier Logo
11:16 am - 6:48 pmCUN-SAN
9h 32m1 stop
$345Frontier
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Mon, Oct 20 - Fri, Oct 24
Logo
8:25 am - 8:55 amSAN-CUN
22h 30m2 stops
Logo
4:10 pm - 10:52 amCUN-SAN
20h 42m1 stop
$353
Find Deal
Thu, Oct 2 - Tue, Oct 7
Delta Logo
6:15 am - 8:45 pmSAN-CUN
12h 30m2 stops
Delta Logo
6:05 pm - 9:20 amCUN-SAN
17h 15m1 stop
$356Delta
Find Deal
Sun, Oct 5 - Tue, Oct 14
United Airlines Logo
10:15 am - 7:20 pmSAN-CUN
7h 05m1 stop
United Airlines Logo
2:24 pm - 11:44 pmCUN-SAN
11h 20m1 stop
$358United Airlines
Find Deal
Tue, Aug 26 - Fri, Aug 29
Delta Logo
10:30 pm - 12:30 pmSAN-CUN
11h 00m1 stop
Delta Logo
12:05 pm - 10:55 pmCUN-SAN
13h 50m2 stops
$360Delta
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Sun, Jan 4 - Fri, Jan 9
Frontier Logo
7:23 pm - 10:06 amSAN-CUN
12h 43m1 stop
Frontier Logo
4:14 pm - 9:57 amCUN-SAN
19h 43m1 stop
$377Frontier
Find Deal
Thu, Oct 16 - Sat, Oct 25

American Airlines flights from San Diego to Cancún

Our best American Airlines deals on San Diego to Cancún flight tickets
American Airlines
Sep 2
SAN10:17 pmSan Diego
13h 08m
1 stop
CUN1:25 pmCancun
Sep 5
CUN7:50 amCancun
14h 30m
1 stop
SAN8:20 pmSan Diego
$259
Find similar
American Airlines
Aug 24
SAN10:17 pmSan Diego
13h 28m
1 stop
CUN1:45 pmCancun
Aug 28
CUN2:45 pmCancun
9h 09m
1 stop
SAN9:54 pmSan Diego
$336
Find similar
American Airlines
Sep 11
SAN11:02 amSan Diego
7h 02m
1 stop
CUN8:04 pmCancun
Sep 18
CUN12:20 pmCancun
10h 09m
1 stop
SAN8:29 pmSan Diego
$346
Find similar

Spirit Airlines flights from San Diego to Cancún

Our best Spirit Airlines deals on San Diego to Cancún flight tickets
Spirit Airlines
Sep 9
SAN7:47 pmSan Diego
15h 12m
2 stops
CUN12:59 pmCancun
Sep 16
CUN9:54 amCancun
23h 35m
2 stops
SAN7:29 amSan Diego
$285
Find similar
Spirit Airlines
Oct 17
SAN7:47 pmSan Diego
11h 28m
2 stops
CUN9:15 amCancun
Oct 21
CUN9:54 amCancun
15h 30m
2 stops
SAN11:24 pmSan Diego
$321
Find similar
Spirit Airlines
Oct 2
SAN8:25 amSan Diego
22h 30m
2 stops
CUN8:55 amCancun
Oct 7
CUN9:54 amCancun
10h 48m
2 stops
SAN6:42 pmSan Diego
$327
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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 August 14, 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 9/2

10:17 pm-1:25 pm

1 stop13h 08m

Cancun

Fri 9/5

7:50 am-8:20 pm

1 stop14h 30m

$259

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 9/9

7:47 pm-12:59 pm

2 stops15h 12m

Cancun

Tue 9/16

9:54 am-7:29 am

2 stops23h 35m

$285

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 9/9

6:15 am-7:20 pm

2 stops11h 05m

Cancun

Tue 9/16

3:01 pm-9:41 pm

1 stop8h 40m

$306

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 9/8

10:30 pm-12:59 am

2 stops24h 29m

Cancun

Sat 9/13

9:54 am-7:29 am

2 stops23h 35m

$307

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 10/20

4:26 pm-10:15 am

1 stop15h 49m

Cancun

Fri 10/24

11:16 am-6:48 pm

1 stop9h 32m

$345

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Thu 10/2

8:25 am-8:55 am

2 stops22h 30m

Cancun

Tue 10/7

4:10 pm-10:52 am

1 stop20h 42m

$353

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 10/5

6:15 am-8:45 pm

2 stops12h 30m

Cancun

Tue 10/14

6:05 pm-9:20 am

1 stop17h 15m

$356

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 8/26

10:15 am-7:20 pm

1 stop7h 05m

Cancun

Fri 8/29

2:24 pm-11:44 pm

1 stop11h 20m

$358

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 1/4

10:30 pm-12:30 pm

1 stop11h 00m

Cancun

Fri 1/9

12:05 pm-10:55 pm

2 stops13h 50m

$360

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Thu 10/16

7:23 pm-10:06 am

1 stop12h 43m

Cancun

Sat 10/25

4:14 pm-9:57 am

1 stop19h 43m

$377

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 $544 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 $501 on momondo.

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

As of August 2025, prices for San Diego to Cancún flights are approximately 34% 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

$128

Fastest flight time

6h 25m

Direct flights

None

Airports in Cancún

1 airport
The best one-way flight to Cancún from San Diego in the past 72 hours is $128. The best round-trip flight deal from San Diego to Cancún found on momondo in the last 72 hours is $259.
The fastest flight from San Diego to Cancún takes 6h 25m
There are no direct flights from San Diego to Cancún. Popular non-direct route for this connection is San Diego Airport - Cancun Airport.
There is 1 airport near Cancún: Cancun (CUN)
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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 25m, 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 $207Free CancellationRating
7.5
1,724 reviews
Search Aeromexico flights
FrontierPriceFrom $274Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $279Free CancellationRating
6.3
8,045 reviews
Search Spirit Airlines flights
DeltaPriceFrom $366Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $380Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $388Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $404Free CancellationRating
8.0
4,244 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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