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Cheap flights from Cancún to San Diego from $176

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 11/14. 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

United Airlines Logo
7:51 am - 6:10 pmCUN-SAN
12h 19m1 stop
United Airlines Logo
6:47 pm - 11:54 amSAN-CUN
15h 07m2 stops
$278United Airlines
Find Deal
jue., oct. 23 - lun., oct. 27
United Airlines Logo
6:30 am - 9:53 pmCUN-SAN
18h 23m1 stop
United Airlines Logo
8:40 pm - 7:29 amSAN-CUN
7h 49m1 stop
$279United Airlines
Find Deal
mié., nov. 26 - lun., dic. 1
American Airlines Logo
4:27 pm - 10:21 pmCUN-SAN
8h 54m1 stop
American Airlines Logo
7:21 am - 5:54 pmSAN-CUN
7h 33m1 stop
$287American Airlines
Find Deal
vie., dic. 5 - mar., dic. 9
American Airlines Logo
3:05 pm - 10:22 pmCUN-SAN
9h 17m1 stop
American Airlines Logo
10:31 pm - 9:30 amSAN-CUN
8h 59m1 stop
$331American Airlines
Find Deal
mié., oct. 15 - dom., oct. 19
Southwest Logo
2:05 pm - 9:05 pmCUN-SAN
10h 00m2 stops
Southwest Logo
6:50 am - 8:25 pmSAN-CUN
10h 35m1 stop
$335Southwest
Find Deal
vie., dic. 5 - mar., dic. 9
Delta Logo
8:10 am - 11:27 pmCUN-SAN
17h 17m2 stops
Delta Logo
6:20 am - 5:05 pmSAN-CUN
8h 45m1 stop
$368Delta
Find Deal
mar., oct. 14 - mar., oct. 21
Delta Logo
8:49 am - 9:13 pmCUN-SAN
15h 24m2 stops
Delta Logo
9:50 pm - 2:00 pmSAN-CUN
13h 10m2 stops
$430Delta
Find Deal
mié., nov. 26 - lun., dic. 1
Aeromexico Logo
2:00 pm - 11:11 pmCUN-SAN
11h 11m1 stop
Aeromexico Logo
10:00 am - 10:29 pmSAN-CUN
10h 29m2 stops
$440Aeromexico
Find Deal
mar., mar. 10 - mié., mar. 11
Aeromexico Logo
4:10 pm - 11:51 pmCUN-SAN
9h 41m1 stop
Aeromexico Logo
10:00 am - 10:29 pmSAN-CUN
10h 29m2 stops
$441Aeromexico
Find Deal
mar., mar. 10 - mié., mar. 11
Southwest Logo
2:05 pm - 10:25 pmCUN-SAN
11h 20m2 stops
Southwest Logo
7:30 pm - 5:00 pmSAN-CUN
18h 30m2 stops
$445Southwest
Find Deal
vie., dic. 5 - mar., dic. 9

Aeromexico flights from Cancún to San Diego

Our best Aeromexico deals on Cancún to San Diego flight tickets
Aeromexico
Mar 10
CUN2:00 pmCancun
11h 11m
1 stop
SAN11:11 pmSan Diego
Mar 11
SAN10:00 amSan Diego
10h 29m
2 stops
CUN10:29 pmCancun
$440
Find similar
Aeromexico
Mar 10
CUN4:10 pmCancun
9h 41m
1 stop
SAN11:51 pmSan Diego
Mar 11
SAN10:00 amSan Diego
10h 29m
2 stops
CUN10:29 pmCancun
$441
Find similar
Aeromexico
Mar 10
CUN6:00 amCancun
11h 22m
2 stops
SAN3:22 pmSan Diego
Mar 11
SAN8:00 amSan Diego
14h 53m
2 stops
CUN12:53 amCancun
$571
Find similar

United Airlines flights from Cancún to San Diego

Our best United Airlines deals on Cancún to San Diego flight tickets
United Airlines
Oct 23
CUN7:51 amCancun
12h 19m
1 stop
SAN6:10 pmSan Diego
Oct 27
SAN6:47 pmSan Diego
15h 07m
2 stops
CUN11:54 amCancun
$278
Find similar
United Airlines
Nov 26
CUN6:30 amCancun
18h 23m
1 stop
SAN9:53 pmSan Diego
Dec 1
SAN8:40 pmSan Diego
7h 49m
1 stop
CUN7:29 amCancun
$279
Find similar
United Airlines
Oct 31
CUN1:44 pmCancun
12h 29m
2 stops
SAN12:13 amSan Diego
Nov 7
SAN5:50 pmSan Diego
14h 35m
1 stop
CUN11:25 amCancun
$312
Find similar

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 septiembre 16, 2025.
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

jue. 10/23

7:51 am-6:10 pm

1 stop12h 19m

San Diego

lun. 10/27

6:47 pm-11:54 am

2 stops15h 07m

$278

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mié. 11/26

6:30 am-9:53 pm

1 stop18h 23m

San Diego

lun. 12/1

8:40 pm-7:29 am

1 stop7h 49m

$279

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vie. 12/5

4:27 pm-10:21 pm

1 stop8h 54m

San Diego

mar. 12/9

7:21 am-5:54 pm

1 stop7h 33m

$287

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mié. 10/15

3:05 pm-10:22 pm

1 stop9h 17m

San Diego

dom. 10/19

10:31 pm-9:30 am

1 stop8h 59m

$331

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vie. 12/5

2:05 pm-9:05 pm

2 stops10h 00m

San Diego

mar. 12/9

6:50 am-8:25 pm

1 stop10h 35m

$335

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mar. 10/14

8:10 am-11:27 pm

2 stops17h 17m

San Diego

mar. 10/21

6:20 am-5:05 pm

1 stop8h 45m

$368

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mié. 11/26

8:49 am-9:13 pm

2 stops15h 24m

San Diego

lun. 12/1

9:50 pm-2:00 pm

2 stops13h 10m

$430

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mar. 3/10

2:00 pm-11:11 pm

1 stop11h 11m

San Diego

mié. 3/11

10:00 am-10:29 pm

2 stops10h 29m

$440

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

mar. 3/10

4:10 pm-11:51 pm

1 stop9h 41m

San Diego

mié. 3/11

10:00 am-10:29 pm

2 stops10h 29m

$441

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

vie. 12/5

2:05 pm-10:25 pm

2 stops11h 20m

San Diego

mar. 12/9

7:30 pm-5:00 pm

2 stops18h 30m

$445

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

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 September 2025, prices for Cancún to San Diego flights are approximately 23% 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

Direct flights

None
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 50m 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
8,924 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
La Mesa
National City
Poway
Imperial Beach
San Ysidro
Borrego Springs
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.

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