Harlingen

$88+ Cheap flights from San Diego to Harlingen, TX (SAN - HRL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HRL
Oct 11 — Oct 181
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Cheap flight deals from San Diego to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$313
(American Airlines)

One-way from

$88
(Southwest)
From San Diego to Harlingen Valley Intl
One-way flight from San Diego to Harlingen Valley Intl

Find flight deals from San Diego to Harlingen

Cheapest flights from San Diego to Harlingen
Explore the most affordable flight options available from San Diego to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/127:21 amSAN - HRL
1 stop6h 11mAmerican Airlines
Sun 11/165:40 amHRL - SAN
1 stop6h 15mAmerican Airlines
Deal found 9/10$313
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/126:45 amSAN - HRL
2 stops10h 54mUnited Airlines
Sun 11/1612:10 pmHRL - SAN
1 stop8h 14mUnited Airlines
Deal found 9/11$362
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/306:35 amSAN - HRL
1 stop10h 25mSouthwest
Thu 12/45:40 pmHRL - SAN
1 stop5h 25mSouthwest
Deal found 9/9$507

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from San Diego to Harlingen that are best for you.

Fly from

San Diego

Fly to

Harlingen

Route

Depart

Return

Price

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 11/12

7:21 am-3:32 pm

1 stop6h 11m

Harlingen Valley Intl

Sun 11/16

5:40 am-9:55 am

1 stop6h 15m

$313

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 11/12

6:45 am-7:39 pm

2 stops10h 54m

Harlingen Valley Intl

Sun 11/16

5:00 pm-9:53 pm

1 stop6h 53m

$362

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sun 11/30

6:35 am-7:00 pm

1 stop10h 25m

Harlingen Valley Intl

Thu 12/4

5:40 pm-9:05 pm

1 stop5h 25m

$507

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Wed 10/22

2:10 pm-10:35 pm

1 stop6h 25m

$88

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 10/11

3:14 pm-11:04 pm

1 stop5h 50m

$146

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sun 10/12

6:15 am-4:13 pm

1 stop7h 58m

$192

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Mon 10/13

4:38 pm-9:38 am

1 stop15h 00m

$210

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Mon 10/13

2:00 pm-11:30 pm

1 stop7h 30m

$229

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sun 10/12

8:30 am-7:30 pm

1 stop9h 00m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Best time to book a flight from San Diego to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Harlingen

What is the cheapest month to book a flight from San Diego to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from San Diego to Harlingen, Texas (average of $267). Flying from San Diego to Harlingen, Texas in June is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to HRL?

Find hourly flight availability from San Diego to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s optimal to fly from San Diego to Harlingen, Texas in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated September 11, 2025.
Read reviews from past customers who have flown Southwest and American Airlines from San Diego to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Diego to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from San Diego to Harlingen, Texas?

    Airlines like American Airlines and United Airlines fly from San Diego to Harlingen, Texas in about 6h 11m. The time it takes to get you to your destination can typically vary by up to 4h 43m. The distance between San Diego and Harlingen, Texas is about 1255 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Harlingen, Texas round-trip?

    According to our current data, Southwest ($240), and American Airlines ($262) offers the cheapest pricing from San Diego to Harlingen, Texas.

  • Can I find deals for flights from San Diego to Harlingen that include hotel bookings?

    Yes. In addition to deals on San Diego to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Harlingen.

  • Can I find deals for business class flights from San Diego to Harlingen?

    Yes. Cheapflights offers flight deals from San Diego to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from San Diego to Harlingen, Texas (average of $267). Flying from San Diego to Harlingen, Texas in June is currently the most expensive (average of $382). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Diego to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Diego to Harlingen

Discover the top 2 airlines that operate flights from San Diego to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$240Average$477FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$355FlexibilityNo cancel feeOn-time71%

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