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Cheap flights from San Diego to Harlingen from $196

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 7/1. 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

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
8:00 am - 3:59 pm
SAN
-
HRL
5h 59m
1 stop
United Airlines Logo
5:18 pm - 9:24 pm
HRL
-
SAN
6h 06m
1 stop
$245United Airlines
tors, sep 10 - lör, sep 12
United Airlines Logo
8:00 am - 3:59 pm
SAN
-
HRL
5h 59m
1 stop
United Airlines Logo
5:18 pm - 12:29 am
HRL
-
SAN
9h 11m
2 stops
$272United Airlines
tors, sep 10 - lör, sep 12
Southwest Logo
6:35 am - 4:05 pm
SAN
-
HRL
7h 30m
2 stops
Southwest Logo
12:35 pm - 6:25 pm
HRL
-
SAN
7h 50m
2 stops
$278Southwest
tors, sep 10 - lör, sep 12
Southwest Logo
12:35 pm - 10:35 pm
SAN
-
HRL
8h 00m
1 stop
Southwest Logo
12:35 pm - 6:20 pm
HRL
-
SAN
7h 45m
1 stop
$291Southwest
fre, aug 14 - tis, aug 18
Southwest Logo
6:30 am - 5:15 pm
SAN
-
HRL
8h 45m
2 stops
Southwest Logo
3:25 pm - 6:55 pm
HRL
-
SAN
5h 30m
1 stop
$296Southwest
fre, aug 14 - tis, aug 18
Southwest Logo
11:05 am - 10:35 pm
SAN
-
HRL
9h 30m
2 stops
Southwest Logo
7:25 am - 1:00 pm
HRL
-
SAN
7h 35m
2 stops
$301Southwest
fre, aug 14 - tis, aug 18
American Airlines Logo
7:15 am - 3:05 pm
SAN
-
HRL
5h 50m
1 stop
American Airlines Logo
3:35 pm - 9:48 pm
HRL
-
SAN
8h 13m
1 stop
$307American Airlines
lör, sep 12 - tis, sep 22
American Airlines Logo
7:15 am - 4:58 pm
SAN
-
HRL
7h 43m
1 stop
American Airlines Logo
3:35 pm - 9:48 pm
HRL
-
SAN
8h 13m
1 stop
$329American Airlines
fre, sep 11 - fre, sep 18
United Airlines Logo
8:00 am - 3:59 pm
SAN
-
HRL
5h 59m
1 stop
United Airlines Logo
5:18 pm - 9:25 pm
HRL
-
SAN
6h 07m
1 stop
$335United Airlines
lör, aug 29 - tis, sep 1
United Airlines Logo
6:30 am - 9:52 pm
SAN
-
HRL
13h 22m
2 stops
United Airlines Logo
5:18 pm - 9:24 pm
HRL
-
SAN
6h 06m
1 stop
$340United Airlines
lör, sep 12 - lör, sep 19

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United Airlines flights from San Diego to Harlingen

Our best United Airlines deals on San Diego to Harlingen flight tickets
United Airlines
Sep 10
SAN8:00 amSan Diego
5h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 12
HRL5:18 pmHarlingen Valley Intl
6h 06m
1 stop
SAN9:24 pmSan Diego
$245
United Airlines
Sep 10
SAN8:00 amSan Diego
5h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 12
HRL5:18 pmHarlingen Valley Intl
9h 11m
2 stops
SAN12:29 amSan Diego
$272
United Airlines
Aug 29
SAN8:00 amSan Diego
5h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 1
HRL5:18 pmHarlingen Valley Intl
6h 07m
1 stop
SAN9:25 pmSan Diego
$335

Southwest flights from San Diego to Harlingen

Our best Southwest deals on San Diego to Harlingen flight tickets
Southwest
Sep 10
SAN6:35 amSan Diego
7h 30m
2 stops
HRL4:05 pmHarlingen Valley Intl
Sep 12
HRL12:35 pmHarlingen Valley Intl
7h 50m
2 stops
SAN6:25 pmSan Diego
$278
Southwest
Sep 11
SAN6:30 amSan Diego
8h 45m
2 stops
HRL5:15 pmHarlingen Valley Intl
Sep 18
HRL5:55 pmHarlingen Valley Intl
5h 25m
1 stop
SAN9:20 pmSan Diego
$362
Southwest
Sep 11
SAN6:30 amSan Diego
8h 45m
2 stops
HRL5:15 pmHarlingen Valley Intl
Sep 18
HRL6:20 amHarlingen Valley Intl
6h 55m
2 stops
SAN11:15 amSan Diego
$367

momondo Fare Finder

 
Customize your flight search to find flights from San Diego to Harlingen 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 juni 26, 2026.
Use the filters below to find and compare flights from San Diego to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

tors 9/10

8:00 am-3:59 pm

1 stop5h 59m

Harlingen Valley Intl

lör 9/12

5:18 pm-9:24 pm

1 stop6h 06m

$245

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

tors 9/10

8:00 am-3:59 pm

1 stop5h 59m

Harlingen Valley Intl

lör 9/12

5:18 pm-12:29 am

2 stops9h 11m

$272

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

tors 9/10

6:35 am-4:05 pm

2 stops7h 30m

Harlingen Valley Intl

lör 9/12

12:35 pm-6:25 pm

2 stops7h 50m

$278

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

fre 8/14

12:35 pm-10:35 pm

1 stop8h 00m

Harlingen Valley Intl

tis 8/18

12:35 pm-6:20 pm

1 stop7h 45m

$291

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

fre 8/14

6:30 am-5:15 pm

2 stops8h 45m

Harlingen Valley Intl

tis 8/18

3:25 pm-6:55 pm

1 stop5h 30m

$296

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

fre 8/14

11:05 am-10:35 pm

2 stops9h 30m

Harlingen Valley Intl

tis 8/18

7:25 am-1:00 pm

2 stops7h 35m

$301

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

lör 9/12

7:15 am-3:05 pm

1 stop5h 50m

Harlingen Valley Intl

tis 9/22

3:35 pm-9:48 pm

1 stop8h 13m

$307

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

fre 9/11

7:15 am-4:58 pm

1 stop7h 43m

Harlingen Valley Intl

fre 9/18

3:35 pm-9:48 pm

1 stop8h 13m

$329

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

lör 8/29

8:00 am-3:59 pm

1 stop5h 59m

Harlingen Valley Intl

tis 9/1

5:18 pm-9:25 pm

1 stop6h 07m

$335

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

lör 9/12

6:30 am-9:52 pm

2 stops13h 22m

Harlingen Valley Intl

lör 9/19

5:18 pm-9:24 pm

1 stop6h 06m

$340

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 Harlingen from

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

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 month to fly to Harlingen?

If you aren’t able to travel during the month of July, then book flights to Harlingen from San Diego during September instead. Flights to Harlingen in September, while not as cheap as those in July, still average around $300.

When to book flights from San Diego to Harlingen

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

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

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

Fastest flight time

5h 46m

Direct flights

None
The fastest flight from San Diego to Harlingen takes 5h 46m
There are no direct flights from San Diego to Harlingen. There are no popular flight routes from San Diego to Harlingen.
Search flight deals

Frequently asked questions about flying from San Diego to Harlingen

  • 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 5h 46m.

  • 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?

Best airlines flying from San Diego to Harlingen

Compare and see reviews for airlines that fly from San Diego to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $237Free CancellationRating
7.9
4,245 reviews
Search Southwest flights

  • Southwest Flights From San Diego to Harlingen

    Southwest is one of the most popular airlines flying from San Diego to Harlingen, operating 2 flights/week on average for this route. A good Southwest flight deal for San Diego to Harlingen starts from $237 round-trip, up to an average price of $388. Our users have rated Southwest at 7.9/10.

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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