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Harlingen

$137+ Cheap flights from Oklahoma to Harlingen, TX (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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
OKC — HRL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oklahoma to Harlingen

Cheapest flights from Oklahoma to Harlingen
Explore the most affordable flight options available from Oklahoma to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Southwest deal was found by Cheapflights users on 12/16. 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 12/256:35 amOKC - HRL
1 stop3h 20mSouthwest
Wed 12/317:30 amHRL - OKC
1 stop7h 55mSouthwest
Deal found 12/16$366
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/176:00 amTUL - HRL
1 stop3h 41mAmerican Airlines
Fri 12/195:34 amHRL - TUL
1 stop3h 57mAmerican Airlines
Deal found 12/16$369
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/318:08 amDFW - HRL
Nonstop1h 32mAmerican Airlines
Sat 1/32:48 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/17$378
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/243:43 pmTUL - HRL
1 stop6h 16mUnited Airlines
Tue 1/69:20 amHRL - TUL
1 stop6h 50mUnited Airlines
Deal found 12/16$390
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/248:08 amDFW - HRL
Nonstop1h 32mAmerican Airlines
Sun 12/288:11 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/16$401
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/189:00 amTUL - HRL
1 stop7h 06mUnited Airlines
Wed 1/75:25 pmHRL - TUL
1 stop4h 33mUnited Airlines
Deal found 12/16$410
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/198:08 amDFW - HRL
Nonstop1h 32mAmerican Airlines
Sat 12/278:11 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/16$414
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/189:10 pmDFW - HRL
Nonstop1h 38mAmerican Airlines
Sat 12/208:11 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/15$433
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:12 pmDFW - HRL
Nonstop1h 29mAmerican Airlines
Thu 12/255:34 amHRL - DFW
Nonstop1h 40mAmerican Airlines
Deal found 12/16$434
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/228:08 amDFW - HRL
Nonstop1h 32mAmerican Airlines
Mon 12/298:11 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/16$439
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Sun 12/211:40 pmTUL - HRL
1 stop5h 56mUnited Airlines
Wed 1/75:25 pmHRL - TUL
1 stop4h 33mUnited Airlines
Deal found 12/16$440
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:12 pmDFW - HRL
Nonstop1h 29mAmerican Airlines
Sun 12/288:11 pmHRL - DFW
Nonstop1h 39mAmerican Airlines
Deal found 12/16$440

Find flight deals from Oklahoma to Harlingen

Keep the following information in mind while searching for Oklahoma to Harlingen flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$137
(United Airlines)

Popular in

August

Cheapest in

January
Provider with most accurate pricing for Oklahoma City Will Rogers World-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Harlingen Valley Intl flights.
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From Oklahoma to Harlingen Valley Intl
Search Deals
One-way flight from Oklahoma to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Oklahoma 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 December 18, 2025.
Use the filters below to find and compare flights from Oklahoma to Harlingen that are best for you.

Fly from

Oklahoma

Fly to

Harlingen

Route

Depart

Return

Price

TulsaHarlingen

TUL - HRL

TULHRL

Tulsa

Sat 2/21

6:53 pm-10:52 pm

1 stop3h 59m

Harlingen Valley Intl

Thu 2/26

10:35 am-2:55 pm

1 stop4h 20m

$249

TulsaHarlingen

TUL - HRL

TULHRL

Tulsa

Mon 4/13

6:05 am-9:49 am

1 stop3h 44m

Harlingen Valley Intl

Sat 4/18

5:50 am-9:17 am

1 stop3h 27m

$249

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Tue 2/10

7:19 pm-11:21 pm

1 stop4h 02m

Harlingen Valley Intl

Thu 2/12

2:43 pm-7:25 pm

1 stop4h 42m

$249

DallasHarlingen

DFW - HRL

DFWHRL

Dallas/Fort Worth

Tue 1/13

9:45 pm-11:21 pm

Nonstop1h 36m

Harlingen Valley Intl

Tue 1/20

3:22 pm-4:58 pm

Nonstop1h 36m

$262

DallasHarlingen

DFW - HRL

DFWHRL

Dallas/Fort Worth

Wed 2/25

2:17 pm-7:58 pm

1 stop5h 41m

Harlingen Valley Intl

Thu 2/26

5:20 pm-11:15 pm

1 stop5h 55m

$273

DallasHarlingen

DFW - HRL

DFWHRL

Dallas/Fort Worth

Mon 2/2

12:18 pm-4:06 pm

1 stop3h 48m

Harlingen Valley Intl

Tue 2/3

12:10 pm-4:00 pm

1 stop3h 50m

$273

DallasHarlingen

DFW - HRL

DFWHRL

Dallas/Fort Worth

Wed 2/4

12:18 pm-4:06 pm

1 stop3h 48m

Harlingen Valley Intl

Thu 2/5

5:25 pm-9:34 pm

1 stop4h 09m

$273

TulsaHarlingen

TUL - HRL

TULHRL

Tulsa

Sat 2/21

7:50 am-11:40 am

1 stop3h 50m

Harlingen Valley Intl

Thu 2/26

9:45 am-4:40 pm

2 stops6h 55m

$279

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Wed 1/28

6:40 am-10:15 am

1 stop3h 35m

Harlingen Valley Intl

Sun 2/1

7:10 pm-10:45 pm

1 stop3h 35m

$279

DallasHarlingen

DFW - HRL

DFWHRL

Dallas/Fort Worth

Fri 1/16

9:35 am-4:06 pm

1 stop6h 31m

Harlingen Valley Intl

Sun 1/18

12:10 pm-6:06 pm

1 stop5h 56m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 37 results
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Best time to book a flight from Oklahoma to Harlingen

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

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

Currently, January is the cheapest month in which you can book a flight from Oklahoma to Harlingen, Texas (average of $180). Flying from Oklahoma to Harlingen, Texas in August is currently the most expensive (average of $311). 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 OK to HRL?

Find hourly flight availability from Oklahoma 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 December 18, 2025.

It’s typically best to fly out from Oklahoma to Harlingen, Texas in the afternoon. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma to Harlingen. 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 into for flights to Harlingen from Oklahoma?

    Located just 3.7 mi from the city center, Harlingen Valley Intl (HRL) is the airport most travelers will use when flying to Harlingen from Oklahoma.

  • How long is the flight from Oklahoma to Harlingen, Texas?

    There are many flights that can get you from Oklahoma to Harlingen, Texas in 3h 50m. Fly via American Airlines, United Airlines, or Southwest to get the fastest option. The distance from Oklahoma to Harlingen, Texas is about 696 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Oklahoma to Harlingen, Texas?

    While some choose either Tulsa - Harlingen Valley Intl or Oklahoma City Will Rogers World - Harlingen Valley Intl, Dallas/Fort Worth - Harlingen Valley Intl is the most popular route from Oklahoma to Harlingen, Texas.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Oklahoma to Harlingen, Texas (average of $180). Flying from Oklahoma to Harlingen, Texas in August is currently the most expensive (average of $311). 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 Oklahoma to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Oklahoma to Harlingen

Discover the top 2 airlines that operate flights from Oklahoma 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$311FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$328FlexibilityNo cancel feeOn-time63%

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