Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Diego to Harlingen from $115

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Harlingen departing on 4/21. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from San Diego to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:23 am - 8:00 pm
SAN
-
HRL
7h 37m
1 stop
United Airlines Logo
7:00 am - 1:50 pm
HRL
-
SAN
8h 50m
1 stop
$339United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
6:32 am - 9:59 pm
SAN
-
HRL
13h 27m
2 stops
United Airlines Logo
5:18 pm - 9:25 pm
HRL
-
SAN
6h 07m
1 stop
$344United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
12:10 pm - 8:00 pm
SAN
-
HRL
5h 50m
1 stop
United Airlines Logo
12:10 pm - 5:53 pm
HRL
-
SAN
7h 43m
1 stop
$347United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
6:32 am - 9:59 pm
SAN
-
HRL
13h 27m
2 stops
United Airlines Logo
12:10 pm - 5:53 pm
HRL
-
SAN
7h 43m
1 stop
$352United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
6:15 am - 4:04 pm
SAN
-
HRL
7h 49m
1 stop
United Airlines Logo
7:00 am - 1:50 pm
HRL
-
SAN
8h 50m
1 stop
$353United Airlines
Sat, May 2 - Tue, May 5
American Airlines Logo
3:10 pm - 12:14 am
SAN
-
HRL
7h 04m
1 stop
American Airlines Logo
8:04 pm - 11:59 pm
HRL
-
SAN
5h 55m
1 stop
$354American Airlines
Thu, May 28 - Mon, Jun 8
United Airlines Logo
6:20 am - 4:04 pm
SAN
-
HRL
7h 44m
2 stops
United Airlines Logo
12:10 pm - 12:28 am
HRL
-
SAN
14h 18m
2 stops
$357United Airlines
Tue, May 5 - Wed, May 6
United Airlines Logo
8:54 am - 9:59 pm
SAN
-
HRL
11h 05m
2 stops
United Airlines Logo
5:18 pm - 9:25 pm
HRL
-
SAN
6h 07m
1 stop
$358United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
11:00 am - 9:59 pm
SAN
-
HRL
8h 59m
2 stops
United Airlines Logo
7:00 am - 5:19 pm
HRL
-
SAN
12h 19m
2 stops
$364United Airlines
Sat, May 2 - Tue, May 5
United Airlines Logo
10:13 am - 7:49 pm
SAN
-
HRL
7h 36m
1 stop
United Airlines Logo
5:20 pm - 11:54 pm
HRL
-
SAN
8h 34m
2 stops
$368United Airlines
Thu, May 28 - Mon, Jun 8

American Airlines flights from San Diego to Harlingen, Texas

Our best American Airlines deals on San Diego to Harlingen, Texas flight tickets
American Airlines
May 28
SAN3:10 pmSan Diego
7h 04m
1 stop
HRL12:14 amHarlingen Valley Intl
Jun 8
HRL8:04 pmHarlingen Valley Intl
5h 55m
1 stop
SAN11:59 pmSan Diego
$354
American Airlines
Apr 7
SAN3:21 pmSan Diego
5h 30m
1 stop
HRL10:51 pmHarlingen Valley Intl
Apr 11
HRL6:00 amHarlingen Valley Intl
6h 09m
1 stop
SAN10:09 amSan Diego
$460

Southwest flights from San Diego to Harlingen, Texas

Our best Southwest deals on San Diego to Harlingen, Texas flight tickets
Southwest
May 28
SAN6:45 amSan Diego
7h 30m
2 stops
HRL4:15 pmHarlingen Valley Intl
Jun 8
HRL5:40 pmHarlingen Valley Intl
7h 30m
2 stops
SAN11:10 pmSan Diego
$418
Southwest
Apr 12
SAN6:30 amSan Diego
5h 25m
1 stop
HRL1:55 pmHarlingen Valley Intl
Apr 16
HRL10:40 amHarlingen Valley Intl
6h 55m
1 stop
SAN3:35 pmSan Diego
$439
Southwest
Apr 12
SAN6:30 amSan Diego
5h 25m
1 stop
HRL1:55 pmHarlingen Valley Intl
Apr 16
HRL12:30 pmHarlingen Valley Intl
9h 30m
2 stops
SAN8:00 pmSan Diego
$444

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 March 28, 2026.
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

Cheapest round-trip

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/5

10:23 am-8:00 pm

1 stop7h 37m

Harlingen Valley Intl

Wed 5/6

7:00 am-1:50 pm

1 stop8h 50m

$339

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/5

6:32 am-9:59 pm

2 stops13h 27m

Harlingen Valley Intl

Wed 5/6

5:18 pm-9:25 pm

1 stop6h 07m

$344

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/5

12:10 pm-8:00 pm

1 stop5h 50m

Harlingen Valley Intl

Wed 5/6

12:10 pm-5:53 pm

1 stop7h 43m

$347

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/5

6:32 am-9:59 pm

2 stops13h 27m

Harlingen Valley Intl

Wed 5/6

12:10 pm-5:53 pm

1 stop7h 43m

$352

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 5/2

6:15 am-4:04 pm

1 stop7h 49m

Harlingen Valley Intl

Tue 5/5

7:00 am-1:50 pm

1 stop8h 50m

$353
Quickest round-trip

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Thu 5/28

3:10 pm-12:14 am

1 stop7h 04m

Harlingen Valley Intl

Mon 6/8

8:04 pm-11:59 pm

1 stop5h 55m

$354

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Tue 5/5

6:20 am-4:04 pm

2 stops7h 44m

Harlingen Valley Intl

Wed 5/6

12:10 pm-12:28 am

2 stops14h 18m

$357

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 5/2

8:54 am-9:59 pm

2 stops11h 05m

Harlingen Valley Intl

Tue 5/5

5:18 pm-9:25 pm

1 stop6h 07m

$358

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 5/2

11:00 am-9:59 pm

2 stops8h 59m

Harlingen Valley Intl

Tue 5/5

7:00 am-5:19 pm

2 stops12h 19m

$364

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Thu 5/28

10:13 am-7:49 pm

1 stop7h 36m

Harlingen Valley Intl

Mon 6/8

5:20 pm-11:54 pm

2 stops8h 34m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 typical price of a round-trip flight between San Diego and Harlingen, Texas?

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

7h 37m

Direct flights

None
The fastest flight from San Diego to Harlingen, Texas takes 7h 37m
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 7h 37m.

  • 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
4,333 reviews
Search Southwest flights
American AirlinesPriceFrom $262Free CancellationRating
7.1
11,520 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.

An easier way to manage your Harlingen, Texas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 4/27
Mon 5/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States