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$78+ Cheap flights from Harlingen, TX (HRL) to Dallas

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — DFW
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
1 adult, Economy
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Cheapflights Tip: The best prices from Harlingen Valley Intl to Dallas are usually found in April or May, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Monday

Cheap flight deals from Harlingen to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Dallas (A78). 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 August 16, 2025.

Round-trip from

$175
(United Airlines)

One-way from

$78
(Southwest)

Popular in

October

Cheapest in

April

Average price

$343
From Harlingen Valley Intl to Dallas
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One-way flight from Harlingen Valley Intl to Dallas
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Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Harlingen to Dallas

Cheapest flights from Harlingen to Dallas
Explore the most affordable flight options available from Harlingen to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/117:00 amHRL - DFW
1 stop4h 09mUnited Airlines
Sun 9/149:30 amDFW - HRL
1 stop6h 32mUnited Airlines
Deal found 8/14$175
This Southwest deal was found by Cheapflights users on 8/14. 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.
Mon 9/226:40 amHRL - DAL
1 stop2h 50mSouthwest
Tue 9/2312:05 pmDAL - HRL
Nonstop1h 30mSouthwest
Deal found 8/14$176
This Southwest deal was found by Cheapflights users on 8/14. 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.
Tue 9/912:20 pmHRL - DAL
Nonstop1h 40mSouthwest
Fri 9/123:40 pmDAL - HRL
Nonstop1h 30mSouthwest
Deal found 8/14$186
This Southwest deal was found by Cheapflights users on 8/14. 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.
Fri 12/126:50 amHRL - DAL
1 stop5h 45mSouthwest
Sun 12/144:55 pmDAL - HRL
1 stop5h 35mSouthwest
Deal found 8/14$214
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/227:00 amHRL - DFW
1 stop6h 23mUnited Airlines
Tue 9/235:25 pmDFW - HRL
1 stop4h 27mUnited Airlines
Deal found 8/14$235
This American Airlines deal was found by Cheapflights users on 8/15. 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.
Fri 9/192:51 pmHRL - DFW
Nonstop1h 40mAmerican Airlines
Sun 9/218:08 amDFW - HRL
Nonstop1h 33mAmerican Airlines
Deal found 8/15$291
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 8/165:30 amHRL - DFW
Nonstop1h 42mAmerican Airlines
Tue 8/1912:30 pmDFW - HRL
Nonstop1h 45mAmerican Airlines
Deal found 8/14$293
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/275:00 amHRL - DFW
1 stop4h 03mUnited Airlines
Sat 8/309:30 amDFW - HRL
1 stop6h 32mUnited Airlines
Deal found 8/13$297
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Thu 9/117:00 amHRL - DFW
1 stop4h 09mUnited Airlines
Thu 9/185:15 amDFW - HRL
1 stop16h 37mUnited Airlines
Deal found 8/14$299
This American Airlines deal was found by Cheapflights users on 8/15. 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 8/275:30 amHRL - DFW
Nonstop1h 42mAmerican Airlines
Sun 8/314:26 pmDFW - HRL
Nonstop1h 24mAmerican Airlines
Deal found 8/15$310
This American Airlines deal was found by Cheapflights users on 8/14. 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 9/112:38 pmHRL - DFW
Nonstop1h 41mAmerican Airlines
Sun 9/148:08 amDFW - HRL
Nonstop1h 33mAmerican Airlines
Deal found 8/14$317
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 8/2310:02 amHRL - DFW
Nonstop1h 37mAmerican Airlines
Sun 8/248:08 amDFW - HRL
Nonstop1h 24mAmerican Airlines
Deal found 8/14$318

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Dallas 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 August 16, 2025.
Use the filters below to find and compare flights from Harlingen to Dallas that are best for you.

Fly from

Harlingen

Fly to

Dallas

Route

Depart

Return

Price

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Thu 9/11

7:00 am-11:09 am

1 stop4h 09m

Dallas/Fort Worth

Sun 9/14

9:30 am-4:02 pm

1 stop6h 32m

$175

HarlingenDallas

HRL - DAL

HRLDAL

Harlingen Valley Intl

Mon 9/22

6:40 am-9:30 am

1 stop2h 50m

Dallas Love Field

Tue 9/23

12:05 pm-1:35 pm

Nonstop1h 30m

$176

HarlingenDallas

HRL - DAL

HRLDAL

Harlingen Valley Intl

Tue 9/9

12:20 pm-2:00 pm

Nonstop1h 40m

Dallas Love Field

Fri 9/12

3:40 pm-5:10 pm

Nonstop1h 30m

$186

HarlingenDallas

HRL - DAL

HRLDAL

Harlingen Valley Intl

Fri 11/14

12:15 pm-1:50 pm

Nonstop1h 35m

Dallas Love Field

Mon 11/17

4:30 pm-6:00 pm

Nonstop1h 30m

$186

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Fri 12/12

9:20 am-1:25 pm

1 stop4h 05m

Dallas/Fort Worth

Sun 12/14

7:00 am-11:04 am

1 stop4h 04m

$235

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Fri 9/26

5:00 am-9:11 am

1 stop4h 11m

Dallas/Fort Worth

Sun 9/28

7:14 pm-11:18 pm

1 stop4h 04m

$235

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Mon 9/22

7:00 am-1:23 pm

1 stop6h 23m

Dallas/Fort Worth

Tue 9/23

5:25 pm-9:52 pm

1 stop4h 27m

$235

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Fri 9/19

2:51 pm-4:31 pm

Nonstop1h 40m

Dallas/Fort Worth

Sun 9/21

8:08 am-9:41 am

Nonstop1h 33m

$291

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Fri 12/12

12:08 pm-1:45 pm

Nonstop1h 37m

Dallas/Fort Worth

Sun 12/14

9:59 am-11:37 am

Nonstop1h 38m

$291

HarlingenDallas

HRL - DFW

HRLDFW

Harlingen Valley Intl

Fri 11/14

4:02 pm-5:44 pm

Nonstop1h 42m

Dallas/Fort Worth

Mon 11/17

4:35 pm-6:08 pm

Nonstop1h 33m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 39 results
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Best time to book a flight from Harlingen to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Harlingen 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 Harlingen to Dallas

How far ahead should I book a flight from Harlingen, Texas to Dallas?

Use this chart to determine the optimal time to book a round-trip flight from Harlingen to Dallas. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Harlingen, Texas to Dallas, you should look to book at least 58 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Dallas (average of $216). Flying from Harlingen, Texas to Dallas in March is currently the most expensive (average of $295). 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 HRL to DFW?

Find hourly flight availability from Harlingen to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 16, 2025.

When flying from Harlingen, Texas to Dallas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight at noon.

What is the cheapest day to fly from Harlingen, Texas to Dallas?

Use this chart to determine the cheapest time to fly round-trip from Harlingen to Dallas. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Harlingen, Texas to Dallas flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Harlingen, Texas to Dallas

Explore weekly flight availability from Harlingen to Dallas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 16, 2025.

The most flights from HRL to A78 are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Harlingen, Texas to Dallas?

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated August 16, 2025.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Harlingen to Dallas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

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.
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

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.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

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 Harlingen to Dallas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Harlingen to Dallas?

    If you book a flight to Dallas from Harlingen, you will be flying from Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen. There are 10 flights from Valley Intl to Dallas per day from 2 different airlines.

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

    Cheapflights users have booked flights from Harlingen, Texas to Dallas round-trip from $153. Another airline that can offer you cheap pricing is Southwest. American Airlines is currently priced 51% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Harlingen, Texas to Dallas?

    Before booking your flight to Dallas from Harlingen, Texas, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (100%), American Airlines (83%), Iberia( 82%).

  • What are the cheapest flights from Harlingen, Texas to Dallas?

    Looking for the cheapest flight from Harlingen, Texas to Dallas? While on average our users pay $326, our data indicates the cheapest price to be $117. The most popular route (Harlingen Valley Intl - Dallas/Fort Worth), is priced around $175.

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

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

  • How can I find direct flights from Harlingen to Dallas?

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

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

    Yes. Cheapflights offers flight deals from Harlingen to Dallas 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 Harlingen, Texas to Dallas?

    Currently, August is the cheapest month in which you can book a flight from Harlingen, Texas to Dallas (average of $216). Flying from Harlingen, Texas to Dallas in March is currently the most expensive (average of $295). 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 Harlingen to Dallas

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Top 2 airlines flying from Harlingen to Dallas

Discover the top 2 airlines that operate flights from Harlingen to Dallas. 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$153Average$293FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$188Average$319FlexibilityNo cancel feeOn-time63%

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