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Cheap flights from Cancún to San Diego from $217

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.
Air Canada Logo
6:10 pm - 1:05 pmCUN  Cancun-SAN San Diego
21h 55m1 stop Vancouver Intl
Air Canada Logo
7:05 am - 4:55 pmSAN  San Diego-CUN Cancun
30h 50m1 stop Vancouver Intl
$471Air Canada
Mon, Nov 23 - Tue, Dec 1
United Airlines Logo
7:51 am - 8:08 pmCUN  Cancun-SAN San Diego
14h 17m2 stops Houston George Bush Intcntl Los Angeles
United Airlines Logo
6:15 am - 7:19 pmSAN  San Diego-CUN Cancun
11h 04m2 stops Los Angeles Houston George Bush Intcntl
$477United Airlines
Fri, Oct 2 - Tue, Oct 6
United Airlines Logo
12:11 pm - 10:41 pmCUN  Cancun-SAN San Diego
12h 30m1 stop Chicago O'Hare Intl
United Airlines Logo
3:56 pm - 10:06 amSAN  San Diego-CUN Cancun
16h 10m2 stops San Francisco Houston George Bush Intcntl
$479United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
3:15 pm - 8:36 pmCUN  Cancun-SAN San Diego
8h 21m1 stop Denver Intl
United Airlines Logo
10:30 pm - 3:24 pmSAN  San Diego-CUN Cancun
13h 54m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$481United Airlines
Mon, Nov 2 - Sat, Nov 7
United Airlines Logo
8:39 am - 8:24 pmCUN  Cancun-SAN San Diego
14h 45m2 stops Houston George Bush Intcntl Los Angeles
United Airlines Logo
5:18 pm - 3:24 pmSAN  San Diego-CUN Cancun
19h 06m1 stop Houston George Bush Intcntl
$483United Airlines
Mon, Nov 23 - Tue, Dec 1
United Airlines Logo
8:39 am - 8:37 pmCUN  Cancun-SAN San Diego
14h 58m2 stops Houston George Bush Intcntl Denver Intl
United Airlines Logo
7:43 pm - 7:13 amSAN  San Diego-CUN Cancun
8h 30m1 stop San Francisco
$488United Airlines
Mon, Dec 21 - Thu, Dec 31
Multiple Airlines Logo
10:30 am - 12:58 pmCUN  Cancun-SAN San Diego
28h 28m2 stops Mexico City Toluca Intl San José del Cabo Los Cabos
Multiple Airlines Logo
8:34 pm - 6:20 pmSAN  San Diego-CUN Cancun
43h 46m2 stops Las Vegas Harry Reid Intl Monterrey Gen Mariano Escobedo
$506Multiple Airlines
Thu, Oct 8 - Thu, Oct 15
Delta Logo
6:05 pm - 11:42 pmCUN  Cancun-SAN San Diego
7h 37m1 stop Los Angeles
Delta Logo
7:59 pm - 11:25 amSAN  San Diego-CUN Cancun
13h 26m2 stops Los Angeles Detroit Metropolitan Wayne County
$512Delta
Wed, Oct 7 - Sun, Oct 11
Multiple Airlines Logo
5:25 am - 11:51 pmCUN  Cancun-SAN San Diego
20h 26m2 stops Mexico City Benito Juarez Denver Intl
Multiple Airlines Logo
6:25 am - 11:58 pmSAN  San Diego-CUN Cancun
15h 33m2 stops Denver Intl Mexico City Benito Juarez
$515Multiple Airlines
Mon, Sep 14 - Sat, Sep 19
United Airlines Logo
2:10 pm - 9:05 amCUN  Cancun-SAN San Diego
20h 55m1 stop Denver Intl
United Airlines Logo
10:30 pm - 1:10 pmSAN  San Diego-CUN Cancun
12h 40m1 stop Chicago O'Hare Intl
$521United Airlines
Wed, Oct 7 - Sun, Oct 11

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Air Canada flights from Cancún to San Diego

Our best Air Canada deals on Cancún to San Diego flight tickets
Air Canada
Nov 23
CUN6:10 pmCancun
21h 55m
1 stop
SAN1:05 pmSan Diego
Dec 1
SAN7:05 amSan Diego
30h 50m
1 stop
CUN4:55 pmCancun
$471
Air Canada
Sep 29
CUN9:05 pmCancun
17h 11m
1 stop
SAN12:16 pmSan Diego
Oct 1
SAN1:10 pmSan Diego
29h 00m
1 stop
CUN8:10 pmCancun
$777

Southwest flights from Cancún to San Diego

Our best Southwest deals on Cancún to San Diego flight tickets
Southwest
Oct 8
CUN4:30 pmCancun
9h 35m
1 stop
SAN12:05 amSan Diego
Oct 15
SAN9:50 pmSan Diego
15h 10m
1 stop
CUN3:00 pmCancun
$590
Southwest
Oct 23
CUN11:00 amCancun
9h 05m
2 stops
SAN6:05 pmSan Diego
Oct 28
SAN10:55 pmSan Diego
15h 20m
2 stops
CUN4:15 pmCancun
$655
Southwest
Dec 21
CUN11:35 amCancun
9h 45m
2 stops
SAN6:20 pmSan Diego
Dec 31
SAN6:30 amSan Diego
10h 15m
2 stops
CUN7:45 pmCancun
$659

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

Mon 11/23

6:10 pm-1:05 pm

1 stop21h 55m

San Diego

Tue 12/1

7:05 am-4:55 pm

1 stop30h 50m

$471

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Fri 10/2

7:51 am-8:08 pm

2 stops14h 17m

San Diego

Tue 10/6

6:15 am-7:19 pm

2 stops11h 04m

$477

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Thu 9/24

12:11 pm-10:41 pm

1 stop12h 30m

San Diego

Mon 9/28

3:56 pm-10:06 am

2 stops16h 10m

$479

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Mon 11/2

3:15 pm-8:36 pm

1 stop8h 21m

San Diego

Sat 11/7

10:30 pm-3:24 pm

2 stops13h 54m

$481

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Mon 11/23

8:39 am-8:24 pm

2 stops14h 45m

San Diego

Tue 12/1

5:18 pm-3:24 pm

1 stop19h 06m

$483

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Mon 12/21

8:39 am-8:37 pm

2 stops14h 58m

San Diego

Thu 12/31

7:43 pm-7:13 am

1 stop8h 30m

$488

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Thu 10/8

10:30 am-12:58 pm

2 stops28h 28m

San Diego

Thu 10/15

8:34 pm-6:20 pm

2 stops43h 46m

$506
Quickest round-trip

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Wed 10/7

6:05 pm-11:42 pm

1 stop7h 37m

San Diego

Sun 10/11

7:59 pm-11:25 am

2 stops13h 26m

$512

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Mon 9/14

5:25 am-11:51 pm

2 stops20h 26m

San Diego

Sat 9/19

6:25 am-11:58 pm

2 stops15h 33m

$515

CancúnSan Diego

CUN Cancun - SAN San Diego

CUNSAN

Cancun

Wed 10/7

2:10 pm-9:05 am

1 stop20h 55m

San Diego

Sun 10/11

10:30 pm-1:10 pm

1 stop12h 40m

$521

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 August 2026, prices for Cancún to San Diego flights are approximately 56% 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

$217

Fastest flight time

11h 41m

Direct flights

None
The best one-way flight to San Diego from Cancún in the past 72 hours is $217. The best round-trip flight deal from Cancún to San Diego found on momondo in the last 72 hours is $471.
The fastest flight from Cancún to San Diego takes 11h 41m
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. 11h 41m 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
Coronado
El Cajon
National City
Julian
La Mesa
Poway
San Ysidro
Imperial Beach
Santee
Borrego Springs
Lemon Grove
Alpine

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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