Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Cancún from $139

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 3/2. 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.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Diego to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:11 am - 6:09 pm
SAN
-
CUN
7h 58m
1 stop
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$294Frontier
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
6:25 am - 5:17 pm
SAN
-
CUN
7h 52m
1 stop
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$296Frontier
Mon, Feb 23 - Tue, Mar 3
Frontier Logo
7:11 am - 6:09 pm
SAN
-
CUN
7h 58m
1 stop
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$297Frontier
Wed, Feb 25 - Wed, Mar 4
Frontier Logo
6:25 am - 5:17 pm
SAN
-
CUN
7h 52m
1 stop
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$299Frontier
Mon, Feb 23 - Wed, Mar 4
Frontier Logo
6:25 am - 5:17 pm
SAN
-
CUN
7h 52m
1 stop
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$305Frontier
Mon, Feb 23 - Tue, Mar 3
Frontier Logo
6:25 am - 5:17 pm
SAN
-
CUN
7h 52m
1 stop
Frontier Logo
12:24 pm - 12:08 am
CUN
-
SAN
14h 44m
1 stop
$308Frontier
Mon, Feb 23 - Mon, Mar 2
Frontier Logo
2:05 pm - 12:16 pm
SAN
-
CUN
19h 11m
2 stops
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$312Frontier
Mon, Feb 23 - Tue, Mar 3
Frontier Logo
11:49 am - 6:09 pm
SAN
-
CUN
27h 20m
1 stop
Frontier Logo
12:24 pm - 12:08 am
CUN
-
SAN
14h 44m
1 stop
$313Frontier
Mon, Feb 9 - Sat, Feb 14
Frontier Logo
2:05 pm - 12:16 pm
SAN
-
CUN
19h 11m
2 stops
Frontier Logo
2:27 pm - 9:41 pm
CUN
-
SAN
10h 14m
1 stop
$316Frontier
Mon, Feb 23 - Wed, Mar 4
Frontier Logo
8:20 pm - 6:09 pm
SAN
-
CUN
18h 49m
2 stops
Frontier Logo
12:24 pm - 12:08 am
CUN
-
SAN
14h 44m
1 stop
$318Frontier
Mon, Feb 23 - Mon, Mar 2

Frontier flights from San Diego to Cancún

Our best Frontier deals on San Diego to Cancún flight tickets
Frontier
Feb 24
SAN7:11 amSan Diego
7h 58m
1 stop
CUN6:09 pmCancun
Mar 3
CUN2:27 pmCancun
10h 14m
1 stop
SAN9:41 pmSan Diego
$294
Frontier
Feb 23
SAN6:25 amSan Diego
7h 52m
1 stop
CUN5:17 pmCancun
Mar 3
CUN2:27 pmCancun
10h 14m
1 stop
SAN9:41 pmSan Diego
$296
Frontier
Feb 25
SAN7:11 amSan Diego
7h 58m
1 stop
CUN6:09 pmCancun
Mar 4
CUN2:27 pmCancun
10h 14m
1 stop
SAN9:41 pmSan Diego
$297

Delta flights from San Diego to Cancún

Our best Delta deals on San Diego to Cancún flight tickets
Delta
Jan 17
SAN10:30 pmSan Diego
15h 05m
1 stop
CUN4:35 pmCancun
Jan 23
CUN1:43 pmCancun
11h 48m
1 stop
SAN10:31 pmSan Diego
$474
Delta
Jan 17
SAN10:00 pmSan Diego
11h 33m
1 stop
CUN12:33 pmCancun
Jan 23
CUN12:05 pmCancun
13h 42m
2 stops
SAN10:47 pmSan Diego
$479
Delta
Jan 18
SAN10:30 pmSan Diego
8h 25m
1 stop
CUN9:55 amCancun
Jan 22
CUN12:15 pmCancun
11h 22m
1 stop
SAN8:37 pmSan Diego
$514

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 January 12, 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

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Tue 2/24

7:11 am-6:09 pm

1 stop7h 58m

Cancun

Tue 3/3

2:27 pm-9:41 pm

1 stop10h 14m

$294

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

6:25 am-5:17 pm

1 stop7h 52m

Cancun

Tue 3/3

2:27 pm-9:41 pm

1 stop10h 14m

$296

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Wed 2/25

7:11 am-6:09 pm

1 stop7h 58m

Cancun

Wed 3/4

2:27 pm-9:41 pm

1 stop10h 14m

$297

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

6:25 am-5:17 pm

1 stop7h 52m

Cancun

Wed 3/4

2:27 pm-9:41 pm

1 stop10h 14m

$299

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

6:25 am-5:17 pm

1 stop7h 52m

Cancun

Tue 3/3

2:27 pm-9:41 pm

1 stop10h 14m

$305

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

6:25 am-5:17 pm

1 stop7h 52m

Cancun

Mon 3/2

12:24 pm-12:08 am

1 stop14h 44m

$308

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

2:05 pm-12:16 pm

2 stops19h 11m

Cancun

Tue 3/3

2:27 pm-9:41 pm

1 stop10h 14m

$312

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/9

11:49 am-6:09 pm

1 stop27h 20m

Cancun

Sat 2/14

12:24 pm-12:08 am

1 stop14h 44m

$313

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

2:05 pm-12:16 pm

2 stops19h 11m

Cancun

Wed 3/4

2:27 pm-9:41 pm

1 stop10h 14m

$316

San DiegoCancún

SAN - CUN

SANCUN

San Diego

Mon 2/23

8:20 pm-6:09 pm

2 stops18h 49m

Cancun

Mon 3/2

12:24 pm-12:08 am

1 stop14h 44m

$318

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 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 $469.

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 $536 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 $419 on momondo.

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

As of January 2026, prices for San Diego to Cancún flights are approximately 13% 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

  • 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 $199Free CancellationRating
7.4
1,595 reviews
Search Aeromexico flights
FrontierPriceFrom $274Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $279Free CancellationRating
6.3
8,301 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
American AirlinesPriceFrom $367Free CancellationRating
7.2
11,110 reviews
Search American Airlines flights
DeltaPriceFrom $368Free CancellationRating
7.9
8,037 reviews
Search Delta flights
SouthwestPriceFrom $400Free 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
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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 2/11
Wed 2/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Mexico