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Cheap flights from San Diego to Cancún from $130

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 8/29. 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
1 adult, Economy, 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.
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 9:05 am
CUN
-
SAN
19h 34m
1 stop
$323Frontier
Wed, Jul 29 - Sun, Aug 2
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 11:51 pm
CUN
-
SAN
10h 20m
1 stop
$333Frontier
Thu, Jul 30 - Thu, Aug 6
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 11:51 pm
CUN
-
SAN
10h 20m
1 stop
$359Frontier
Wed, Jul 29 - Tue, Aug 4
Frontier Logo
3:03 pm - 12:49 pm
SAN
-
CUN
19h 46m
2 stops
Frontier Logo
3:31 pm - 9:05 am
CUN
-
SAN
19h 34m
1 stop
$365Frontier
Wed, Jul 29 - Mon, Aug 3
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 11:51 pm
CUN
-
SAN
10h 20m
1 stop
$367Frontier
Sun, Jul 26 - Wed, Jul 29
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 11:51 pm
CUN
-
SAN
10h 20m
1 stop
$369Frontier
Thu, Jul 30 - Tue, Aug 4
Frontier Logo
4:12 pm - 12:49 pm
SAN
-
CUN
18h 37m
2 stops
Frontier Logo
3:31 pm - 9:05 am
CUN
-
SAN
19h 34m
1 stop
$370Frontier
Tue, Jul 28 - Mon, Aug 3
Frontier Logo
3:03 pm - 12:49 pm
SAN
-
CUN
19h 46m
2 stops
Frontier Logo
3:31 pm - 9:05 am
CUN
-
SAN
19h 34m
1 stop
$375Frontier
Wed, Jul 29 - Sun, Aug 2
Frontier Logo
6:25 am - 12:49 pm
SAN
-
CUN
28h 24m
1 stop
Frontier Logo
3:31 pm - 9:05 am
CUN
-
SAN
19h 34m
1 stop
$376Frontier
Wed, Jul 29 - Mon, Aug 3
Frontier Logo
4:12 pm - 12:49 pm
SAN
-
CUN
18h 37m
2 stops
Frontier Logo
3:31 pm - 11:51 pm
CUN
-
SAN
10h 20m
1 stop
$380Frontier
Tue, Jul 28 - Thu, Aug 6

Frontier flights from San Diego to Cancún

Our best Frontier deals on San Diego to Cancún flight tickets
Frontier
Jul 29
SAN6:25 amSan Diego
28h 24m
1 stop
CUN12:49 pmCancun
Aug 6
CUN3:31 pmCancun
10h 20m
1 stop
SAN11:51 pmSan Diego
$323
Frontier
Jul 30
SAN6:25 amSan Diego
28h 24m
1 stop
CUN12:49 pmCancun
Aug 6
CUN3:31 pmCancun
10h 20m
1 stop
SAN11:51 pmSan Diego
$333
Frontier
Jul 29
SAN6:25 amSan Diego
28h 24m
1 stop
CUN12:49 pmCancun
Aug 4
CUN3:31 pmCancun
10h 20m
1 stop
SAN11:51 pmSan Diego
$359

Air Canada flights from San Diego to Cancún

Our best Air Canada deals on San Diego to Cancún flight tickets
Air Canada
Jun 9
SAN1:15 pmSan Diego
18h 35m
1 stop
CUN9:50 amCancun
Jun 16
CUN10:50 amCancun
27h 28m
1 stop
SAN12:18 pmSan Diego
$547
Air Canada
Jun 9
SAN7:00 amSan Diego
27h 30m
1 stop
CUN12:30 pmCancun
Jun 11
CUN5:20 pmCancun
29h 35m
1 stop
SAN8:55 pmSan Diego
$549
Air Canada
Jun 9
SAN1:15 pmSan Diego
21h 15m
2 stops
CUN12:30 pmCancun
Jun 16
CUN9:05 pmCancun
17h 13m
1 stop
SAN12:18 pmSan Diego
$550

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 June 4, 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

Wed 7/29

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Sun 8/2

3:31 pm-9:05 am

1 stop19h 34m

$323

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Thu 7/30

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Thu 8/6

3:31 pm-11:51 pm

1 stop10h 20m

$333

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 7/29

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Tue 8/4

3:31 pm-11:51 pm

1 stop10h 20m

$359

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 7/29

3:03 pm-12:49 pm

2 stops19h 46m

Cancun

Mon 8/3

3:31 pm-9:05 am

1 stop19h 34m

$365

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Sun 7/26

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Wed 7/29

3:31 pm-11:51 pm

1 stop10h 20m

$367

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Thu 7/30

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Tue 8/4

3:31 pm-11:51 pm

1 stop10h 20m

$369

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/28

4:12 pm-12:49 pm

2 stops18h 37m

Cancun

Mon 8/3

3:31 pm-9:05 am

1 stop19h 34m

$370

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 7/29

3:03 pm-12:49 pm

2 stops19h 46m

Cancun

Sun 8/2

3:31 pm-9:05 am

1 stop19h 34m

$375

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 7/29

6:25 am-12:49 pm

1 stop28h 24m

Cancun

Mon 8/3

3:31 pm-9:05 am

1 stop19h 34m

$376
Quickest round-trip

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 7/28

4:12 pm-12:49 pm

2 stops18h 37m

Cancun

Thu 8/6

3:31 pm-11:51 pm

1 stop10h 20m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $453.

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 $534 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 $379 on momondo.

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

As of June 2026, prices for San Diego to Cancún flights are approximately 11% 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

6h 50m

Direct flights

None
The fastest flight from San Diego to Cancún takes 6h 50m
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 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
DeltaPriceFrom $169Free CancellationRating
7.8
8,395 reviews
Search Delta flights
VivaPriceFrom $310Free CancellationRating
7.0
803 reviews
Search Viva flights
FrontierPriceFrom $325Free CancellationRating
5.6
2,914 reviews
Search Frontier flights
American AirlinesPriceFrom $345Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
SouthwestPriceFrom $393Free CancellationRating
8.0
4,255 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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