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Cheap flights from Cancún to San Diego from $151

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 8/16. 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 - 1:54 pmCUN-SAN
8h 03m1 stop
United Airlines Logo
6:15 am - 4:12 pmSAN-CUN
7h 57m1 stop
$255United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
3:01 pm - 9:41 pmCUN-SAN
8h 40m1 stop
United Airlines Logo
8:05 am - 7:20 pmSAN-CUN
9h 15m1 stop
$297United Airlines
Find Deal
Sat, Sep 13 - Mon, Sep 15
Delta Logo
12:15 pm - 10:39 pmCUN-SAN
12h 24m2 stops
Delta Logo
9:50 pm - 11:30 amSAN-CUN
11h 40m2 stops
$307Delta
Find Deal
Tue, Sep 9 - Sun, Sep 14
Aeromexico Logo
10:55 am - 8:26 pmCUN-SAN
11h 31m1 stop
Aeromexico Logo
10:30 pm - 11:25 amSAN-CUN
10h 55m1 stop
$317Aeromexico
Find Deal
Sat, Sep 13 - Sat, Sep 13
Delta Logo
7:05 am - 6:05 pmCUN-SAN
13h 00m2 stops
Delta Logo
4:05 pm - 1:00 pmSAN-CUN
18h 55m2 stops
$323Delta
Find Deal
Tue, Sep 9 - Fri, Sep 19
Spirit Airlines Logo
9:54 am - 7:29 amCUN-SAN
23h 35m2 stops
Spirit Airlines Logo
7:47 pm - 9:15 amSAN-CUN
11h 28m2 stops
$337Spirit Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
Alaska Airlines Logo
4:10 pm - 7:41 amCUN-SAN
17h 31m2 stops
Alaska Airlines Logo
3:06 pm - 3:00 pmSAN-CUN
21h 54m2 stops
$362Alaska Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 15
Spirit Airlines Logo
9:54 am - 11:37 pmCUN-SAN
15h 43m2 stops
Spirit Airlines Logo
1:17 pm - 1:57 pmSAN-CUN
22h 40m2 stops
$363Spirit Airlines
Find Deal
Thu, Aug 14 - Wed, Aug 20
Alaska Airlines Logo
4:10 pm - 7:41 amCUN-SAN
17h 31m2 stops
Alaska Airlines Logo
9:59 pm - 3:00 pmSAN-CUN
39h 01m2 stops
$370Alaska Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
Aeromexico Logo
2:00 pm - 8:25 pmCUN-SAN
8h 25m1 stop
Aeromexico Logo
10:30 pm - 2:20 pmSAN-CUN
13h 50m1 stop
$633Aeromexico
Find Deal
Sun, Sep 14 - Sun, Sep 14

United Airlines flights from Cancún to San Diego

Our best United Airlines deals on Cancún to San Diego flight tickets
United Airlines
Sep 9
CUN7:51 amCancun
8h 03m
1 stop
SAN1:54 pmSan Diego
Sep 16
SAN6:15 amSan Diego
7h 57m
1 stop
CUN4:12 pmCancun
$255
Find similar
United Airlines
Sep 13
CUN3:01 pmCancun
8h 40m
1 stop
SAN9:41 pmSan Diego
Sep 15
SAN8:05 amSan Diego
9h 15m
1 stop
CUN7:20 pmCancun
$297
Find similar
United Airlines
Sep 10
CUN3:46 pmCancun
8h 28m
1 stop
SAN10:14 pmSan Diego
Sep 17
SAN5:56 pmSan Diego
18h 41m
3 stops
CUN2:37 pmCancun
$328
Find similar

Delta flights from Cancún to San Diego

Our best Delta deals on Cancún to San Diego flight tickets
Delta
Sep 9
CUN12:15 pmCancun
12h 24m
2 stops
SAN10:39 pmSan Diego
Sep 14
SAN9:50 pmSan Diego
11h 40m
2 stops
CUN11:30 amCancun
$307
Find similar
Delta
Sep 9
CUN7:05 amCancun
13h 00m
2 stops
SAN6:05 pmSan Diego
Sep 19
SAN4:05 pmSan Diego
18h 55m
2 stops
CUN1:00 pmCancun
$323
Find similar
Delta
Sep 13
CUN10:55 amCancun
10h 32m
1 stop
SAN7:27 pmSan Diego
Sep 18
SAN10:15 pmSan Diego
11h 15m
1 stop
CUN11:30 amCancun
$338
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 July 31, 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

Tue 9/9

7:51 am-1:54 pm

1 stop8h 03m

San Diego

Tue 9/16

6:15 am-4:12 pm

1 stop7h 57m

$255

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 9/13

3:01 pm-9:41 pm

1 stop8h 40m

San Diego

Mon 9/15

8:05 am-7:20 pm

1 stop9h 15m

$297

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Tue 9/9

12:15 pm-10:39 pm

2 stops12h 24m

San Diego

Sun 9/14

9:50 pm-11:30 am

2 stops11h 40m

$307

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sat 9/13

10:55 am-8:26 pm

1 stop11h 31m

San Diego

Sat 9/13

10:30 pm-11:25 am

1 stop10h 55m

$317

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Tue 9/9

7:05 am-6:05 pm

2 stops13h 00m

San Diego

Fri 9/19

4:05 pm-1:00 pm

2 stops18h 55m

$323

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sun 9/14

9:54 am-7:29 am

2 stops23h 35m

San Diego

Sun 9/21

7:47 pm-9:15 am

2 stops11h 28m

$337

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 9/10

4:10 pm-7:41 am

2 stops17h 31m

San Diego

Mon 9/15

3:06 pm-3:00 pm

2 stops21h 54m

$362

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Thu 8/14

9:54 am-11:37 pm

2 stops15h 43m

San Diego

Wed 8/20

1:17 pm-1:57 pm

2 stops22h 40m

$363

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Wed 9/10

4:10 pm-7:41 am

2 stops17h 31m

San Diego

Sun 9/14

9:59 pm-3:00 pm

2 stops39h 01m

$370

CancúnSan Diego

CUN - SAN

CUNSAN

Cancun

Sun 9/14

2:00 pm-8:25 pm

1 stop8h 25m

San Diego

Sun 9/14

10:30 pm-2:20 pm

1 stop13h 50m

$633

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.

What is the cheapest Cancun to San Diego flight route?

Fly from Cancun to San Diego for the best Cancun - San Diego flight prices

What cabin class options are available on Cancun to San Diego flights?

There are 1 cabin classes available to choose from on Cancun to San Diego flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of July 2025, prices for Cancún to San Diego flights are approximately 17% 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

$151

Fastest flight time

7h 50m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Cancún in the past 72 hours is $151. The best round-trip flight deal from Cancún to San Diego found on momondo in the last 72 hours is $255.
The fastest flight from Cancún to San Diego takes 7h 50m
There are no direct flights from Cancún to San Diego. Popular non-direct route for this connection is Cancun Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
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 03m 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
8,900 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
National City
La Mesa
Imperial Beach
San Ysidro
Poway
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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