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

A quick flight from Oklahoma City to Harlingen, Texas can take about 3h 24m. United Airlines provides one of the quickest options available for as low as $349. The distance between Oklahoma City and Harlingen, Texas is about 633 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Oklahoma City to Harlingen, Texas round-trip?

Currently priced at $218, Southwest will fly you from Oklahoma City to Harlingen, Texas and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $242. Southwest is 34% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Most accurate provider : When it comes to deals on Oklahoma City-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oklahoma City-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oklahoma City-Harlingen, Texas flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Oklahoma City-Harlingen, Texas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oklahoma City-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Oklahoma City 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.

$319+ Flights from Oklahoma City to Harlingen, TX

Q: How much does it cost to fly round-trip from Oklahoma City to Harlingen, Texas?

Airfare is above average for this route at the moment. Oklahoma City to Harlingen, Texas flights typically cost between $308 and $309 in March. The cheapest round-trip price found within the last 3 days was $319 on United Airlines (Mar 31-Apr 1).

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Find flight deals from Oklahoma City to Harlingen

Cheapest flights from Oklahoma City to Harlingen
Explore the most affordable flight options available from Oklahoma City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

Tue 11/186:03 amOKC - HRL

1 stop5h 37mAmerican Airlines

Sun 11/2310:13 amHRL - OKC

1 stop3h 32mAmerican Airlines

Deal found 11/11

$339

Thu 12/43:30 pmOKC - HRL

1 stop6h 24mUnited Airlines

Thu 12/115:00 pmHRL - OKC

1 stop5h 09mUnited Airlines

Deal found 11/13

$345

Tue 11/186:00 amOKC - HRL

2 stops13h 39mUnited Airlines

Sun 11/2312:10 pmHRL - OKC

1 stop4h 05mUnited Airlines

Deal found 11/11

$632

Best flights from Oklahoma City to Harlingen
Discover carefully curated flight deals from Oklahoma City to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2025.

Tue 3/3111:55 amOKC - HRL

1 stop4h 08mUnited Airlines

Wed 4/15:25 pmHRL - OKC

1 stop5h 44mUnited Airlines

Deal found 11/12

$319

Tue 3/316:21 amOKC - HRL

1 stop3h 24mAmerican Airlines

Wed 4/17:55 pmHRL - OKC

1 stop3h 35mAmerican Airlines

Deal found 11/11

$349

Thu 12/43:30 pmOKC - HRL

1 stop6h 24mUnited Airlines

Thu 12/115:00 pmHRL - OKC

1 stop5h 09mUnited Airlines

Deal found 11/13

$345

Last-minute flights from Oklahoma City to Harlingen
Discover last-minute flight deals from Oklahoma City to Harlingen. Data last updated November 13, 2025 and is based on user searches.

Tue 11/186:03 amOKC - HRL

1 stop5h 37mAmerican Airlines

Sun 11/2310:13 amHRL - OKC

1 stop3h 32mAmerican Airlines

Deal found 11/11

$339

Tue 11/186:00 amOKC - HRL

2 stops13h 39mUnited Airlines

Sun 11/2312:10 pmHRL - OKC

1 stop4h 05mUnited Airlines

Deal found 11/11

$632

Thu 12/43:30 pmOKC - HRL

1 stop6h 24mUnited Airlines

Thu 12/115:00 pmHRL - OKC

1 stop5h 09mUnited Airlines

Deal found 11/13

$345

Cheap flight deals from Oklahoma City to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$319 (United Airlines)
One-way from	$180 (Southwest)
Popular in	August
Cheapest in	January
Average price	$308

Provider with most accurate pricing for Oklahoma City Will Rogers World-Harlingen Valley Intl flight deals.

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Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Harlingen Valley Intl flights.

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From Oklahoma City Will Rogers World to Harlingen Valley Intl

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One-way flight from Oklahoma City Will Rogers World to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oklahoma City to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Tue 3/31

11:55 am-4:03 pm

1 stop4h 08m

Harlingen Valley Intl

Wed 4/1

5:25 pm-11:09 pm

1 stop5h 44m

$319

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Thu 12/4

3:30 pm-9:54 pm

1 stop6h 24m

Harlingen Valley Intl

Thu 12/11

5:00 pm-10:09 pm

1 stop5h 09m

$345

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Tue 3/31

6:21 am-9:45 am

1 stop3h 24m

Harlingen Valley Intl

Wed 4/1

7:55 pm-11:30 pm

1 stop3h 35m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/12

Compare providers for flights from Oklahoma City to Harlingen

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oklahoma City to Harlingen in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Oklahoma City-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Oklahoma City-Harlingen, Texas flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Oklahoma City-Harlingen, Texas flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Oklahoma City-Harlingen, Texas flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oklahoma City-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oklahoma City to Harlingen

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

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

Currently, March is the cheapest month in which you can book a flight from Oklahoma City to Harlingen, Texas (average of $230). Flying from Oklahoma City to Harlingen, Texas in April is currently the most expensive (average of $318). 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 OKC to HRL?

A simple way to save on the total cost of your ticket is to fly from Oklahoma City to Harlingen, Texas in the morning. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the evening.

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

Reviews of airlines servicing Harlingen

Read through reviews of airlines operating flights from Oklahoma City to Harlingen, such as Southwest and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,242 reviews

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

Southwest

8.0

Very good

4,242 reviews

Southwest

8.0

Very good

4,242 reviews

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

American Airlines

7.2

Good

11,051 reviews

Southwest

8.0

Very good

4,242 reviews

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

How long is the flight from Oklahoma City to Harlingen, Texas?
A quick flight from Oklahoma City to Harlingen, Texas can take about 3h 24m. United Airlines provides one of the quickest options available for as low as $349. The distance between Oklahoma City and Harlingen, Texas is about 633 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Oklahoma City to Harlingen, Texas round-trip?
Currently priced at $218, Southwest will fly you from Oklahoma City to Harlingen, Texas and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $242. Southwest is 34% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Oklahoma City to Harlingen that include hotel bookings?
Yes. In addition to deals on Oklahoma City to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oklahoma City to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oklahoma City to Harlingen.
Can I find deals for business class flights from Oklahoma City to Harlingen?
Yes. Cheapflights offers flight deals from Oklahoma City 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 City to Harlingen, Texas?
Currently, March is the cheapest month in which you can book a flight from Oklahoma City to Harlingen, Texas (average of $230). Flying from Oklahoma City to Harlingen, Texas in April is currently the most expensive (average of $318). 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

Top 2 airlines flying from Oklahoma City to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$218	Average$318	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$242	Average$338	FlexibilityNo cancel fee	On-time71%

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$319+ Cheap flights from Oklahoma City to Harlingen, TX (OKC - HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oklahoma City to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Oklahoma City to Harlingen

Cheapest flights from Oklahoma City to HarlingenExplore the most affordable flight options available from Oklahoma City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

Explore the most affordable flight options available from Oklahoma City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

Cheap flight deals from Oklahoma City to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Oklahoma City to Harlingen that are best for you.

Compare providers for flights from Oklahoma City to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oklahoma City to Harlingen in November.

Best time to book a flight from Oklahoma City to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Oklahoma City with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Oklahoma City to Harlingen

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

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

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

Reviews of airlines servicing Harlingen

Read through reviews of airlines operating flights from Oklahoma City to Harlingen, such as Southwest and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Oklahoma City 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 Oklahoma City to Harlingen, Texas?

What are the cheapest airlines flying from Oklahoma City to Harlingen, Texas round-trip?

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

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

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

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

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 Oklahoma City to Harlingen

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

Top 2 airlines flying from Oklahoma City to Harlingen

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Cheapest flights from Oklahoma City to Harlingen
Explore the most affordable flight options available from Oklahoma City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.