What is the cheapest airline that flies from Cancun to San Diego?

Frontier and Delta are the most popular carriers operating from Cancun to San Diego

When did momondo last update prices for flights from Cancun Airport to San Diego Airport?

Prices for flights from Cancun Airport to San Diego Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Cancun Airport to San Diego Airport?

The number of operators available for flights from Cancun Airport to San Diego Airport is 1 as of December 2025.

How old do you have to be to fly from Cancun Airport to San Diego Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cancun Airport to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$140 Cheap Flights from Cancún to San Diego in 2025/26

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Find the cheapest flights from Cancún to San Diego

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:24 pm - 7:40 am

CUN

SAN

22h 16m1 stop

8:19 pm - 5:17 pm

SAN

CUN

17h 58m1 stop

$277Multiple Airlines

Thu, Feb 12 - Wed, Feb 18

12:24 pm - 12:08 am

CUN

SAN

14h 44m1 stop

6:25 am - 5:17 pm

SAN

CUN

7h 52m1 stop

$278Frontier

Thu, Feb 26 - Mon, Mar 2

11:48 am - 12:08 am

CUN

SAN

15h 20m2 stops

6:25 am - 5:17 pm

SAN

CUN

7h 52m1 stop

$287Frontier

Thu, Feb 26 - Mon, Mar 2

11:48 am - 12:08 am

CUN

SAN

15h 20m2 stops

8:20 pm - 6:09 pm

SAN

CUN

18h 49m2 stops

$297Frontier

Thu, Feb 26 - Mon, Mar 2

12:24 pm - 7:40 am

CUN

SAN

22h 16m1 stop

7:11 am - 6:09 pm

SAN

CUN

7h 58m1 stop

$312Frontier

Thu, Feb 12 - Wed, Feb 18

2:49 pm - 10:26 am

CUN

SAN

46h 37m2 stops

9:45 am - 10:38 am

SAN

CUN

21h 53m1 stop

$345Frontier

Thu, Feb 12 - Wed, Feb 18

3:13 pm - 10:45 pm

CUN

SAN

10h 32m1 stop

7:11 am - 6:09 pm

SAN

CUN

7h 58m1 stop

$365Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

6:01 am - 10:47 pm

CUN

SAN

19h 46m2 stops

7:11 am - 6:09 pm

SAN

CUN

7h 58m1 stop

$368Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

2:49 pm - 12:08 am

CUN

SAN

12h 19m2 stops

9:45 am - 10:38 am

SAN

CUN

21h 53m1 stop

$393Frontier

Thu, Feb 12 - Wed, Feb 18

2:44 pm - 11:40 pm

CUN

SAN

11h 56m2 stops

7:50 pm - 12:30 pm

SAN

CUN

13h 40m2 stops

$396United Airlines

Thu, Feb 26 - Mon, Mar 2

Frontier flights from Cancún to San Diego

Our best Frontier deals on Cancún to San Diego flight tickets

Frontier

Feb 26

CUN12:24 pmCancun

14h 44m

1 stop

SAN12:08 amSan Diego

Mar 2

SAN6:25 amSan Diego

7h 52m

1 stop

CUN5:17 pmCancun

$278

Find similar

Frontier

Feb 26

CUN11:48 amCancun

15h 20m

2 stops

SAN12:08 amSan Diego

Mar 2

SAN6:25 amSan Diego

7h 52m

1 stop

CUN5:17 pmCancun

$287

Find similar

Frontier

Feb 26

CUN11:48 amCancun

15h 20m

2 stops

SAN12:08 amSan Diego

Mar 2

SAN8:20 pmSan Diego

18h 49m

2 stops

CUN6:09 pmCancun

$297

Find similar

Delta flights from Cancún to San Diego

Our best Delta deals on Cancún to San Diego flight tickets

Delta

Feb 12

CUN6:01 amCancun

11h 30m

2 stops

SAN2:31 pmSan Diego

Feb 18

SAN5:00 pmSan Diego

15h 05m

2 stops

CUN11:05 amCancun

$444

Find similar

Delta

Feb 12

CUN6:01 amCancun

11h 30m

2 stops

SAN2:31 pmSan Diego

Feb 18

SAN5:00 pmSan Diego

15h 05m

2 stops

CUN11:05 amCancun

$472

Find similar

Delta

Jan 5

CUN8:15 amCancun

13h 53m

1 stop

SAN7:08 pmSan Diego

Jan 7

SAN10:30 pmSan Diego

12h 30m

2 stops

CUN2:00 pmCancun

$498

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/12

12:24 pm-7:40 am

1 stop22h 16m

San Diego

Wed 2/18

8:19 pm-5:17 pm

1 stop17h 58m

$277

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/26

12:24 pm-12:08 am

1 stop14h 44m

San Diego

Mon 3/2

6:25 am-5:17 pm

1 stop7h 52m

$278

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/26

11:48 am-12:08 am

2 stops15h 20m

San Diego

Mon 3/2

6:25 am-5:17 pm

1 stop7h 52m

$287

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/26

11:48 am-12:08 am

2 stops15h 20m

San Diego

Mon 3/2

8:20 pm-6:09 pm

2 stops18h 49m

$297

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/12

12:24 pm-7:40 am

1 stop22h 16m

San Diego

Wed 2/18

7:11 am-6:09 pm

1 stop7h 58m

$312

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/12

2:49 pm-10:26 am

2 stops46h 37m

San Diego

Wed 2/18

9:45 am-10:38 am

1 stop21h 53m

$345

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 2/4

3:13 pm-10:45 pm

1 stop10h 32m

San Diego

Wed 2/11

7:11 am-6:09 pm

1 stop7h 58m

$365

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 2/4

6:01 am-10:47 pm

2 stops19h 46m

San Diego

Wed 2/11

7:11 am-6:09 pm

1 stop7h 58m

$368

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/12

2:49 pm-12:08 am

2 stops12h 19m

San Diego

Wed 2/18

9:45 am-10:38 am

1 stop21h 53m

$393

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 2/26

2:44 pm-11:40 pm

2 stops11h 56m

San Diego

Mon 3/2

7:50 pm-12:30 pm

2 stops13h 40m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cancún to San Diego

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

Prices

Airlines

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Cancún to San Diego is on a Friday. Travelers who choose to depart for San Diego on a Friday will often find tickets for as low as $401. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $453. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

As of December 2025, prices for Cancún to San Diego flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Cancún to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Cancún to San Diego (CUN to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cancún to San Diego

Fastest flight time	9h 51m
Direct flights	None

The fastest flight from Cancún to San Diego takes 9h 51m

There are no direct flights from Cancún to San Diego. There are no popular flight routes from Cancún to San Diego.

Search flight deals

How far is Cancun to San Diego by plane?
The distance between Cancun and San Diego is about 2020.9 mi. 9h 51m is a normal flight duration for this route.
When did momondo last update prices for flights from Cancun Airport to San Diego Airport?
Prices for flights from Cancun Airport to San Diego Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Cancun Airport to San Diego Airport?
The number of operators available for flights from Cancun Airport to San Diego Airport is 1 as of December 2025.
How old do you have to be to fly from Cancun Airport to San Diego Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cancun Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Cancún to San Diego?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Cancún to San Diego is United Airlines (100% of total bookings).

Best airlines flying from Cancún to San Diego

Compare and see reviews for airlines that fly from Cancún to San Diego with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $255	Free Cancellation	Rating 7.4 9,102 reviews		Search United Airlines flights

Coronado

Chula Vista

El Cajon

Julian

Poway

National City

Borrego Springs

Imperial Beach

La Mesa

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Cancún to San Diego?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cancún to San Diego for you.

Can I find flights from Cancún to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Cancún with this policy.

How can momondo help me find flights from Cancún to San Diego?

momondo provides multiple filters to help you find the best flight to San Diego from Cancún. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Cancún to San Diego right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Cancún to San Diego flights. All you need is a valid email address and we will do the rest; it is that quick and easy.