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Cheap flights from Cancún to San Diego from $224

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cancún to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:30 am - 6:13 pmCUN  Cancun-SAN San Diego
10h 43m1 stop San José del Cabo Los Cabos
Multiple Airlines Logo
8:57 am - 8:55 pmSAN  San Diego-CUN Cancun
32h 58m2 stops Las Vegas Harry Reid Intl Mexico City Benito Juarez
$487Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
Alaska Airlines Logo
4:59 pm - 3:52 pmCUN  Cancun-SAN San Diego
25h 53m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:05 pm - 4:02 pmSAN  San Diego-CUN Cancun
17h 57m1 stop Seattle/Tacoma Intl
$489Alaska Airlines
Thu, Mar 4 - Mon, Mar 8
Multiple Airlines Logo
10:30 am - 2:33 pmCUN  Cancun-SAN San Diego
31h 03m1 stop San José del Cabo Los Cabos
Multiple Airlines Logo
5:26 pm - 5:09 pmSAN  San Diego-CUN Cancun
44h 43m2 stops Denver Intl Santiago de Querétaro
$504Multiple Airlines
Tue, Jan 12 - Tue, Jan 19
United Airlines Logo
3:07 pm - 8:08 pmCUN  Cancun-SAN San Diego
8h 01m1 stop Los Angeles
United Airlines Logo
7:41 pm - 11:20 amSAN  San Diego-CUN Cancun
12h 39m2 stops San Francisco Houston George Bush Intcntl
$507United Airlines
Wed, Jan 13 - Sat, Jan 16
United Airlines Logo
3:07 pm - 7:47 pmCUN  Cancun-SAN San Diego
7h 40m1 stop Los Angeles
United Airlines Logo
5:18 pm - 1:34 pmSAN  San Diego-CUN Cancun
17h 16m1 stop Houston George Bush Intcntl
$508United Airlines
Thu, Feb 11 - Thu, Feb 18
United Airlines Logo
4:34 pm - 10:30 pmCUN  Cancun-SAN San Diego
8h 56m1 stop Denver Intl
United Airlines Logo
4:45 pm - 11:20 amSAN  San Diego-CUN Cancun
15h 35m2 stops Los Angeles Houston George Bush Intcntl
$510United Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
11:35 am - 3:49 pmCUN  Cancun-SAN San Diego
31h 14m2 stops Guadalajara Miguel Hidal Puerto Vallarta Ordaz
Multiple Airlines Logo
8:57 am - 2:50 pmSAN  San Diego-CUN Cancun
26h 53m2 stops Las Vegas Harry Reid Intl Guadalajara Miguel Hidal
$511Multiple Airlines
Thu, Dec 3 - Thu, Dec 10
United Airlines Logo
12:28 pm - 8:08 pmCUN  Cancun-SAN San Diego
10h 40m2 stops Houston George Bush Intcntl Los Angeles
United Airlines Logo
7:41 pm - 1:43 pmSAN  San Diego-CUN Cancun
15h 02m2 stops San Francisco Chicago O'Hare Intl
$512United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
4:34 pm - 10:30 pmCUN  Cancun-SAN San Diego
8h 56m1 stop Denver Intl
United Airlines Logo
4:45 pm - 11:20 amSAN  San Diego-CUN Cancun
15h 35m2 stops Los Angeles Houston George Bush Intcntl
$513United Airlines
Fri, Dec 4 - Mon, Dec 7
United Airlines Logo
7:00 am - 11:51 pmCUN  Cancun-SAN San Diego
19h 51m1 stop Los Angeles
United Airlines Logo
6:20 am - 4:30 pmSAN  San Diego-CUN Cancun
7h 10m1 stop Los Angeles
$514United Airlines
Tue, Dec 29 - Tue, Jan 5

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American Airlines flights from Cancún to San Diego

Our best American Airlines deals on Cancún to San Diego flight tickets
American Airlines
Dec 18
CUN3:47 pmCancun
11h 12m
1 stop
SAN11:59 pmSan Diego
Dec 20
SAN6:45 pmSan Diego
14h 37m
1 stop
CUN12:22 pmCancun
$625
American Airlines
Mar 5
CUN5:00 pmCancun
8h 36m
1 stop
SAN10:36 pmSan Diego
Mar 7
SAN6:15 amSan Diego
8h 18m
1 stop
CUN5:33 pmCancun
$703

United Airlines flights from Cancún to San Diego

Our best United Airlines deals on Cancún to San Diego flight tickets
United Airlines
Dec 4
CUN1:35 pmCancun
11h 55m
1 stop
SAN10:30 pmSan Diego
Dec 7
SAN7:41 pmSan Diego
8h 32m
1 stop
CUN7:13 amCancun
$455
United Airlines
Jan 13
CUN3:07 pmCancun
8h 01m
1 stop
SAN8:08 pmSan Diego
Jan 16
SAN3:04 pmSan Diego
17h 16m
1 stop
CUN11:20 amCancun
$507
United Airlines
Dec 4
CUN12:28 pmCancun
10h 40m
2 stops
SAN8:08 pmSan Diego
Dec 7
SAN7:41 pmSan Diego
15h 02m
2 stops
CUN1:43 pmCancun
$512

momondo Fare Finder

 
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 Cancun - SAN San Diego

CUNSAN

Cancun

Thu 12/3

10:30 am-6:13 pm

1 stop10h 43m

San Diego

Thu 12/10

8:57 am-8:55 pm

2 stops32h 58m

$487

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Thu 3/4

4:59 pm-3:52 pm

1 stop25h 53m

San Diego

Mon 3/8

7:05 pm-4:02 pm

1 stop17h 57m

$489

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Tue 1/12

10:30 am-2:33 pm

1 stop31h 03m

San Diego

Tue 1/19

5:26 pm-5:09 pm

2 stops44h 43m

$504
Quickest round-trip

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Wed 1/13

3:07 pm-8:08 pm

1 stop8h 01m

San Diego

Sat 1/16

7:41 pm-11:20 am

2 stops12h 39m

$507

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Thu 2/11

3:07 pm-7:47 pm

1 stop7h 40m

San Diego

Thu 2/18

5:18 pm-1:34 pm

1 stop17h 16m

$508

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Fri 12/4

4:34 pm-10:30 pm

1 stop8h 56m

San Diego

Mon 12/7

4:45 pm-11:20 am

2 stops15h 35m

$510

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Thu 12/3

11:35 am-3:49 pm

2 stops31h 14m

San Diego

Thu 12/10

8:57 am-2:50 pm

2 stops26h 53m

$511

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Fri 12/4

12:28 pm-8:08 pm

2 stops10h 40m

San Diego

Mon 12/7

7:41 pm-1:43 pm

2 stops15h 02m

$512

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Fri 12/4

4:34 pm-10:30 pm

1 stop8h 56m

San Diego

Mon 12/7

4:45 pm-11:20 am

2 stops15h 35m

$513

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Tue 12/29

7:00 am-11:51 pm

1 stop19h 51m

San Diego

Tue 1/5

6:20 am-4:30 pm

1 stop7h 10m

$514

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 October 2026, prices for Cancún to San Diego flights are approximately 48% 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

Best Price Found

$224

Fastest flight time

8h 01m

Direct flights

None
The best one-way flight to San Diego from Cancún in the past 72 hours is $224. The best round-trip flight deal from Cancún to San Diego found on momondo in the last 72 hours is $487.
The fastest flight from Cancún to San Diego takes 8h 01m
There are no direct flights from Cancún to San Diego. There are no popular flight routes from Cancún to San Diego.
Search flight deals

Frequently asked questions about flying from Cancún to San Diego

  • How far is Cancun to San Diego by plane?

    The distance between Cancun and San Diego is about 2020.9 mi. 8h 01m 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
Chula Vista
El Cajon
Coronado
National City
La Mesa
Julian
San Ysidro
Poway
Santee
Imperial Beach
Alpine
Lemon Grove
Borrego Springs

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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