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Cheap flights from Cancún to San Diego from $141

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 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
3:39 pm - 11:50 pm
CUN
-
SAN
10h 11m
1 stop
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
$212Frontier
Sat, May 9 - Sat, May 16
Frontier Logo
10:34 am - 8:34 am
CUN
-
SAN
24h 00m
2 stops
Frontier Logo
2:12 pm - 9:24 am
SAN
-
CUN
17h 12m
2 stops
$237Frontier
Sat, Apr 25 - Sat, May 2
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
10:07 pm - 12:04 pm
SAN
-
CUN
11h 57m
2 stops
$244Frontier
Fri, May 8 - Fri, May 15
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
6:25 am - 12:04 pm
SAN
-
CUN
27h 39m
1 stop
$258Frontier
Mon, May 11 - Mon, May 18
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
10:07 pm - 9:54 am
SAN
-
CUN
9h 47m
2 stops
$259Frontier
Fri, May 8 - Tue, May 12
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
10:07 pm - 9:54 am
SAN
-
CUN
9h 47m
2 stops
$260Frontier
Fri, May 8 - Tue, May 12
Frontier Logo
1:14 pm - 8:42 am
CUN
-
SAN
21h 28m
2 stops
Frontier Logo
10:07 pm - 12:04 pm
SAN
-
CUN
11h 57m
2 stops
$261Frontier
Fri, May 8 - Fri, May 15
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
10:07 pm - 9:54 am
SAN
-
CUN
9h 47m
2 stops
$278Frontier
Fri, May 8 - Tue, May 12
Frontier Logo
11:05 am - 6:33 pm
CUN
-
SAN
9h 28m
1 stop
Frontier Logo
10:07 pm - 9:54 am
SAN
-
CUN
9h 47m
2 stops
$279Frontier
Fri, May 8 - Tue, May 12
Frontier Logo
11:05 am - 6:25 pm
CUN
-
SAN
9h 20m
1 stop
Frontier Logo
6:54 pm - 2:07 pm
SAN
-
CUN
17h 13m
2 stops
$281Frontier
Sat, May 9 - Sat, May 16

Frontier flights from Cancún to San Diego

Our best Frontier deals on Cancún to San Diego flight tickets
Frontier
May 9
CUN3:39 pmCancun
10h 11m
1 stop
SAN11:50 pmSan Diego
May 16
SAN6:25 amSan Diego
27h 39m
1 stop
CUN12:04 pmCancun
$212
Frontier
May 12
CUN3:39 pmCancun
10h 11m
1 stop
SAN11:50 pmSan Diego
May 19
SAN10:07 pmSan Diego
11h 57m
2 stops
CUN12:04 pmCancun
$216
Frontier
May 12
CUN10:25 amCancun
24h 17m
2 stops
SAN8:42 amSan Diego
May 19
SAN10:07 pmSan Diego
11h 57m
2 stops
CUN12:04 pmCancun
$233

United Airlines flights from Cancún to San Diego

Our best United Airlines deals on Cancún to San Diego flight tickets
United Airlines
May 8
CUN2:10 pmCancun
9h 02m
1 stop
SAN9:12 pmSan Diego
May 12
SAN10:40 pmSan Diego
13h 46m
1 stop
CUN2:26 pmCancun
$348
United Airlines
May 8
CUN2:49 pmCancun
8h 36m
1 stop
SAN9:25 pmSan Diego
May 12
SAN6:15 amSan Diego
11h 04m
1 stop
CUN7:19 pmCancun
$350
United Airlines
May 8
CUN1:43 pmCancun
9h 42m
1 stop
SAN9:25 pmSan Diego
May 12
SAN10:40 pmSan Diego
12h 30m
1 stop
CUN1:10 pmCancun
$351

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 March 28, 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

Cheapest round-trip

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 5/9

3:39 pm-11:50 pm

1 stop10h 11m

San Diego

Sat 5/16

6:25 am-12:04 pm

1 stop27h 39m

$212

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 4/25

10:34 am-8:34 am

2 stops24h 00m

San Diego

Sat 5/2

2:12 pm-9:24 am

2 stops17h 12m

$237

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Fri 5/15

10:07 pm-12:04 pm

2 stops11h 57m

$244

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Mon 5/11

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Mon 5/18

6:25 am-12:04 pm

1 stop27h 39m

$258
Quickest round-trip

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Tue 5/12

10:07 pm-9:54 am

2 stops9h 47m

$259

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Tue 5/12

10:07 pm-9:54 am

2 stops9h 47m

$260

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

1:14 pm-8:42 am

2 stops21h 28m

San Diego

Fri 5/15

10:07 pm-12:04 pm

2 stops11h 57m

$261

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Tue 5/12

10:07 pm-9:54 am

2 stops9h 47m

$278

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Fri 5/8

11:05 am-6:33 pm

1 stop9h 28m

San Diego

Tue 5/12

10:07 pm-9:54 am

2 stops9h 47m

$279

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 5/9

11:05 am-6:25 pm

1 stop9h 20m

San Diego

Sat 5/16

6:54 pm-2:07 pm

2 stops17h 13m

$281

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 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 March 2026, prices for Cancún to San Diego flights are approximately 42% 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

7h 49m

Direct flights

None
The fastest flight from Cancún to San Diego takes 7h 49m
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. 7h 49m 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 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.

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
National City
Poway
San Ysidro
Imperial Beach
La Mesa
Borrego Springs
Alpine
Santee
Lemon Grove

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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