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Cheap flights from Cancún to San Diego from $158

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to San Diego departing on 2/19. 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 Cancún to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:54 pm - 11:06 pm
CUN
-
SAN
9h 12m
1 stop
Frontier Logo
6:25 am - 2:39 pm
SAN
-
CUN
30h 14m
1 stop
$220Frontier
wo, mei. 6 - ma, mei. 11
Frontier Logo
3:54 pm - 11:06 pm
CUN
-
SAN
9h 12m
1 stop
Frontier Logo
9:07 pm - 2:39 pm
SAN
-
CUN
39h 32m
2 stops
$266Frontier
wo, mei. 6 - ma, mei. 11
Frontier Logo
12:24 pm - 12:08 am
CUN
-
SAN
14h 44m
1 stop
Frontier Logo
6:25 am - 5:17 pm
SAN
-
CUN
31h 52m
1 stop
$302Frontier
zo, feb. 15 - zo, feb. 22
Frontier Logo
3:54 pm - 11:06 pm
CUN
-
SAN
9h 12m
1 stop
Frontier Logo
11:42 am - 2:39 pm
SAN
-
CUN
24h 57m
1 stop
$344Frontier
za, mei. 2 - za, mei. 9
United Airlines Logo
1:35 pm - 8:49 pm
CUN
-
SAN
10h 14m
1 stop
United Airlines Logo
6:15 am - 7:18 pm
SAN
-
CUN
11h 03m
2 stops
$359United Airlines
di, mrt. 3 - di, mrt. 10
United Airlines Logo
12:36 pm - 9:03 pm
CUN
-
SAN
11h 27m
1 stop
United Airlines Logo
5:00 pm - 11:30 am
SAN
-
CUN
16h 30m
1 stop
$360United Airlines
vr, mrt. 6 - ma, mrt. 9
United Airlines Logo
3:07 pm - 7:48 pm
CUN
-
SAN
7h 41m
1 stop
United Airlines Logo
5:50 pm - 4:50 pm
SAN
-
CUN
21h 00m
1 stop
$363United Airlines
vr, mrt. 6 - ma, mrt. 9
Frontier Logo
11:08 am - 8:33 pm
CUN
-
SAN
12h 25m
1 stop
Frontier Logo
9:58 pm - 11:16 am
SAN
-
CUN
11h 18m
2 stops
$370Frontier
vr, mrt. 6 - ma, mrt. 9
Frontier Logo
11:08 am - 8:33 pm
CUN
-
SAN
12h 25m
1 stop
Frontier Logo
9:58 pm - 11:16 am
SAN
-
CUN
11h 18m
2 stops
$371Frontier
vr, mrt. 6 - ma, mrt. 9
Delta Logo
11:00 am - 10:48 pm
CUN
-
SAN
14h 48m
1 stop
Delta Logo
7:25 pm - 11:50 am
SAN
-
CUN
13h 25m
2 stops
$383Delta
zo, feb. 15 - zo, feb. 22

United Airlines flights from Cancún to San Diego

Our best United Airlines deals on Cancún to San Diego flight tickets
United Airlines
Mar 3
CUN1:35 pmCancun
10h 14m
1 stop
SAN8:49 pmSan Diego
Mar 10
SAN6:15 amSan Diego
11h 03m
2 stops
CUN7:18 pmCancun
$359
United Airlines
Mar 6
CUN12:36 pmCancun
11h 27m
1 stop
SAN9:03 pmSan Diego
Mar 9
SAN5:00 pmSan Diego
16h 30m
1 stop
CUN11:30 amCancun
$360
United Airlines
Mar 6
CUN3:07 pmCancun
7h 41m
1 stop
SAN7:48 pmSan Diego
Mar 9
SAN5:50 pmSan Diego
21h 00m
1 stop
CUN4:50 pmCancun
$363

Frontier flights from Cancún to San Diego

Our best Frontier deals on Cancún to San Diego flight tickets
Frontier
May 6
CUN3:54 pmCancun
9h 12m
1 stop
SAN11:06 pmSan Diego
May 11
SAN6:25 amSan Diego
30h 14m
1 stop
CUN2:39 pmCancun
$220
Frontier
May 6
CUN3:54 pmCancun
9h 12m
1 stop
SAN11:06 pmSan Diego
May 11
SAN9:07 pmSan Diego
39h 32m
2 stops
CUN2:39 pmCancun
$266
Frontier
Feb 15
CUN12:24 pmCancun
14h 44m
1 stop
SAN12:08 amSan Diego
Feb 22
SAN6:25 amSan Diego
31h 52m
1 stop
CUN5:17 pmCancun
$302

momondo Fare Finder

 
Customize your flight search to find flights from Cancún to San Diego 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 februari 5, 2026.
Use the filters below to find and compare flights from Cancún to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

wo 5/6

3:54 pm-11:06 pm

1 stop9h 12m

San Diego

ma 5/11

6:25 am-2:39 pm

1 stop30h 14m

$220

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

wo 5/6

3:54 pm-11:06 pm

1 stop9h 12m

San Diego

ma 5/11

9:07 pm-2:39 pm

2 stops39h 32m

$266

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

zo 2/15

12:24 pm-12:08 am

1 stop14h 44m

San Diego

zo 2/22

6:25 am-5:17 pm

1 stop31h 52m

$302

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

za 5/2

3:54 pm-11:06 pm

1 stop9h 12m

San Diego

za 5/9

11:42 am-2:39 pm

1 stop24h 57m

$344

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

di 3/3

1:35 pm-8:49 pm

1 stop10h 14m

San Diego

di 3/10

6:15 am-7:18 pm

2 stops11h 03m

$359

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vr 3/6

12:36 pm-9:03 pm

1 stop11h 27m

San Diego

ma 3/9

5:00 pm-11:30 am

1 stop16h 30m

$360

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vr 3/6

3:07 pm-7:48 pm

1 stop7h 41m

San Diego

ma 3/9

5:50 pm-4:50 pm

1 stop21h 00m

$363

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vr 3/6

11:08 am-8:33 pm

1 stop12h 25m

San Diego

ma 3/9

9:58 pm-11:16 am

2 stops11h 18m

$370

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vr 3/6

11:08 am-8:33 pm

1 stop12h 25m

San Diego

ma 3/9

9:58 pm-11:16 am

2 stops11h 18m

$371

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

zo 2/15

11:00 am-10:48 pm

1 stop14h 48m

San Diego

zo 2/22

7:25 pm-11:50 am

2 stops13h 25m

$383

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

See travel insights to San Diego from

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

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

As of February 2026, prices for Cancún to San Diego flights are approximately 32% 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

8h 11m

Direct flights

None
The fastest flight from Cancún to San Diego takes 8h 11m
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. 8h 11m 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?

  • 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?

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 AirlinesPriceFrom $255Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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.

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