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Cheap flights from San Diego to Harlingen from $290

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Harlingen departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:26 pm - 10:52 pm
SAN
-
HRL
6h 26m1 stop
American Airlines Logo
6:46 pm - 10:26 pm
HRL
-
SAN
5h 40m1 stop
$290American Airlines
Thu, Feb 26 - Sat, Feb 28
United Airlines Logo
12:11 pm - 9:59 pm
SAN
-
HRL
7h 48m1 stop
United Airlines Logo
12:10 pm - 4:36 pm
HRL
-
SAN
6h 26m1 stop
$297United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
6:30 am - 9:59 pm
SAN
-
HRL
13h 29m2 stops
United Airlines Logo
12:10 pm - 4:36 pm
HRL
-
SAN
6h 26m1 stop
$302United Airlines
Wed, Jan 21 - Sat, Jan 24
United Airlines Logo
11:10 am - 9:59 pm
SAN
-
HRL
8h 49m2 stops
United Airlines Logo
12:10 pm - 7:54 pm
HRL
-
SAN
9h 44m2 stops
$307United Airlines
Wed, Jan 21 - Sat, Jan 24
American Airlines Logo
9:45 am - 7:37 pm
SAN
-
HRL
7h 52m2 stops
American Airlines Logo
6:46 pm - 10:26 pm
HRL
-
SAN
5h 40m1 stop
$347American Airlines
Thu, Feb 26 - Sat, Feb 28
Southwest Logo
10:40 am - 10:10 pm
SAN
-
HRL
9h 30m2 stops
Southwest Logo
12:30 pm - 7:30 pm
HRL
-
SAN
9h 00m2 stops
$364Southwest
Thu, Feb 26 - Sat, Feb 28
American Airlines Logo
4:48 pm - 11:59 pm
SAN
-
HRL
5h 11m1 stop
American Airlines Logo
8:10 pm - 11:27 pm
HRL
-
SAN
5h 17m1 stop
$433American Airlines
Tue, May 12 - Thu, May 21
Southwest Logo
12:30 pm - 10:00 pm
SAN
-
HRL
7h 30m2 stops
Southwest Logo
5:00 pm - 9:05 pm
HRL
-
SAN
6h 05m1 stop
$444Southwest
Tue, May 12 - Thu, May 21
Southwest Logo
10:05 am - 8:55 pm
SAN
-
HRL
8h 50m2 stops
Southwest Logo
6:00 pm - 11:05 pm
HRL
-
SAN
7h 05m2 stops
$464Southwest
Tue, May 12 - Thu, May 21
American Airlines Logo
9:00 am - 7:36 pm
SAN
-
HRL
8h 36m1 stop
American Airlines Logo
2:45 pm - 8:37 pm
HRL
-
SAN
7h 52m1 stop
$486American Airlines
Sat, Mar 14 - Sun, Mar 15

American Airlines flights from San Diego to Harlingen, Texas

Our best American Airlines deals on San Diego to Harlingen, Texas flight tickets
American Airlines
Feb 26
SAN2:26 pmSan Diego
6h 26m
1 stop
HRL10:52 pmHarlingen Valley Intl
Feb 28
HRL6:46 pmHarlingen Valley Intl
5h 40m
1 stop
SAN10:26 pmSan Diego
$290
Find similar
American Airlines
Feb 26
SAN9:45 amSan Diego
7h 52m
2 stops
HRL7:37 pmHarlingen Valley Intl
Feb 28
HRL6:46 pmHarlingen Valley Intl
5h 40m
1 stop
SAN10:26 pmSan Diego
$347
Find similar
American Airlines
Mar 14
SAN9:00 amSan Diego
8h 36m
1 stop
HRL7:36 pmHarlingen Valley Intl
Mar 15
HRL2:45 pmHarlingen Valley Intl
7h 52m
1 stop
SAN8:37 pmSan Diego
$486
Find similar

Southwest flights from San Diego to Harlingen, Texas

Our best Southwest deals on San Diego to Harlingen, Texas flight tickets
Southwest
Feb 26
SAN10:40 amSan Diego
9h 30m
2 stops
HRL10:10 pmHarlingen Valley Intl
Feb 28
HRL12:30 pmHarlingen Valley Intl
9h 00m
2 stops
SAN7:30 pmSan Diego
$364
Find similar
Southwest
Dec 28
SAN6:30 amSan Diego
6h 35m
2 stops
HRL3:05 pmHarlingen Valley Intl
Jan 4
HRL5:45 pmHarlingen Valley Intl
6h 40m
1 stop
SAN10:25 pmSan Diego
$798
Find similar
Southwest
Dec 24
SAN12:40 pmSan Diego
7h 25m
1 stop
HRL10:05 pmHarlingen Valley Intl
Dec 26
HRL5:45 pmHarlingen Valley Intl
7h 40m
2 stops
SAN11:25 pmSan Diego
$808
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Harlingen, Texas 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 December 23, 2025.
Use the filters below to find and compare flights from San Diego to Harlingen, Texas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Thu 2/26

2:26 pm-10:52 pm

1 stop6h 26m

Harlingen Valley Intl

Sat 2/28

6:46 pm-10:26 pm

1 stop5h 40m

$290

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 1/21

12:11 pm-9:59 pm

1 stop7h 48m

Harlingen Valley Intl

Sat 1/24

12:10 pm-4:36 pm

1 stop6h 26m

$297

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 1/21

6:30 am-9:59 pm

2 stops13h 29m

Harlingen Valley Intl

Sat 1/24

12:10 pm-4:36 pm

1 stop6h 26m

$302

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 1/21

11:10 am-9:59 pm

2 stops8h 49m

Harlingen Valley Intl

Sat 1/24

12:10 pm-7:54 pm

2 stops9h 44m

$307

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Thu 2/26

9:45 am-7:37 pm

2 stops7h 52m

Harlingen Valley Intl

Sat 2/28

6:46 pm-10:26 pm

1 stop5h 40m

$347

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Thu 2/26

10:40 am-10:10 pm

2 stops9h 30m

Harlingen Valley Intl

Sat 2/28

12:30 pm-7:30 pm

2 stops9h 00m

$364

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/12

4:48 pm-11:59 pm

1 stop5h 11m

Harlingen Valley Intl

Thu 5/21

8:10 pm-11:27 pm

1 stop5h 17m

$433

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/12

12:30 pm-10:00 pm

2 stops7h 30m

Harlingen Valley Intl

Thu 5/21

5:00 pm-9:05 pm

1 stop6h 05m

$444

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/12

10:05 am-8:55 pm

2 stops8h 50m

Harlingen Valley Intl

Thu 5/21

6:00 pm-11:05 pm

2 stops7h 05m

$464

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 3/14

9:00 am-7:36 pm

1 stop8h 36m

Harlingen Valley Intl

Sun 3/15

2:45 pm-8:37 pm

1 stop7h 52m

$486

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Harlingen from

How to get the cheapest flight ticket from San Diego to Harlingen, Texas

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 Harlingen, Texas?

The cheapest day to depart on your flight to Harlingen, Texas is on a Thursday when prices can be found for as low as $339. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to Harlingen, Texas for around $656.

What is the cheapest time of day to depart on your flight to Harlingen, Texas?

Our most recent data shows that the best time of day to fly to Harlingen, Texas is in the evening. Flights from San Diego to Harlingen, Texas during this time can be as low as $354. Flights at noon are often more expensive with an average ticket price of $443.

When to book flights from San Diego to Harlingen, Texas

Are you open to changing your travel dates? Check out the ideal times to fly from San Diego to Harlingen, Texas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Diego to Harlingen, Texas (SAN to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Harlingen, Texas

Fastest flight time

6h 06m

Direct flights

None
The fastest flight from San Diego to Harlingen, Texas takes 6h 06m
There are no direct flights from San Diego to Harlingen, Texas. There are no popular flight routes from San Diego to Harlingen, Texas.
Search flight deals

  • How far is San Diego to Harlingen Valley Intl by plane?

    The distance between San Diego and Harlingen Valley Intl is about 1251.3 mi. By plane, this route typically takes 6h 06m.

  • When did momondo last update prices for flights from San Diego Airport to Harlingen Valley Intl Airport?

    Prices for flights from San Diego Airport to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Diego Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from San Diego Airport to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The required travel and health documents for your Harlingen Valley Intl 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 Harlingen Valley Intl 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 San Diego to Harlingen, Texas?

Best airlines flying from San Diego to Harlingen, Texas

Compare and see reviews for airlines that fly from San Diego to Harlingen, Texas with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $240Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Harlingen?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from San Diego.

Can I find flights from San Diego to Harlingen with flexible booking policies on momondo?

Yes. All flights to Harlingen from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to Harlingen?

Once you have performed a search for San Diego to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Diego to Harlingen right now. Can momondo alert me if prices change?

Yes. momondo can track prices for San Diego to Harlingen flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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