Harlingen

$240+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — HRL
Jul 30 — Aug 61
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Diego to Harlingen with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 25, 2025.

Round-trip from

$332
(American Airlines)

One-way from

$240
(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 July 25, 2025.

This American Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 8/77:15 amSAN - HRL
1 stop8h 35mAmerican Airlines
Mon 8/1110:02 amHRL - SAN
1 stop6h 23mAmerican Airlines
Deal found 7/23$332
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 7/256:15 amSAN - HRL
1 stop7h 45mUnited Airlines
Mon 7/281:59 pmHRL - SAN
1 stop8h 02mUnited Airlines
Deal found 7/23$588
This Southwest deal was found by Cheapflights users on 7/23. 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.
Thu 7/312:35 pmSAN - HRL
2 stops7h 15mSouthwest
Sun 8/36:00 amHRL - SAN
2 stops6h 45mSouthwest
Deal found 7/23$609

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 July 25, 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

Thu 8/7

7:15 am-5:50 pm

1 stop8h 35m

Harlingen Valley Intl

Mon 8/11

10:02 am-2:25 pm

1 stop6h 23m

$332

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 8/9

11:05 am-9:25 pm

1 stop8h 20m

$240

San DiegoHarlingen

SAN - HRL

SANHRL

San Diego

Sat 8/9

6:35 am-1:20 pm

3 stops28h 45m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

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 $381). 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 July 25, 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 July 25, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, 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

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.
  • What is the cheapest airline to fly from San Diego to Harlingen, Texas round-trip?

    According to our current data, American Airlines ($332), 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 $381). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$240Average$452FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$355FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.