How long is the flight from Oklahoma City to Harlingen?

Southwest and United Airlines can get you from Oklahoma City to Harlingen in just under 5h 35m. Your travel time can differ by up to 1h 11m. The distance from Oklahoma City to Harlingen is about 633 mi. This flight may include one or multiple stops.

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

Flying on American Airlines is currently your cheapest option to Harlingen, with prices starting at $158. Another option worth looking into is Southwest, starting at $260 round trip. American Airlines is 59% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Harlingen 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 when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, 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).

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

When flying from Oklahoma City to Harlingen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most trusted provider : When it comes to deals on Oklahoma City-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub 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 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.

$334+ Cheap Flights from Oklahoma City to Harlingen

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Cheap flight deals from Oklahoma City to Harlingen

Cheapest

Best

Last-minute

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 October 16, 2026.

Fri 11/65:45 am -

1 stop6h 35m

Sun 11/85:50 am -

1 stop3h 25m

Deal found 10/16

$334

Wed 10/2812:27 pm -

1 stop5h 45m

Sun 11/16:41 pm -

1 stop4h 11m

Deal found 10/13

$369

Wed 10/2810:35 am -

2 stops5h 25m

Sun 11/15:50 am -

1 stop3h 25m

Deal found 10/13

$374

Tue 11/176:35 am -

1 stop6h 46m

Wed 11/185:05 am -

1 stop4h 02m

Deal found 10/12

$379

Wed 10/144:00 pm -

1 stop6h 00m

Fri 10/165:30 am -

1 stop4h 05m

Deal found 10/13

$494

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 October 16, 2026.

Fri 11/66:00 pm -

2 stops5h 35m

Sun 11/85:50 am -

1 stop3h 25m

Deal found 10/16

$334

Tue 11/176:35 am -

1 stop6h 46m

Wed 11/185:25 pm -

1 stop4h 34m

Deal found 10/14

$379

Wed 10/2810:35 am -

2 stops5h 25m

Sun 11/15:50 am -

1 stop3h 25m

Deal found 10/13

$374

Sat 1/99:05 am -

1 stop6h 48m

Sat 1/167:00 am -

2 stops13h 25m

Deal found 10/11

$462

Last-minute flights from Oklahoma City to Harlingen
Discover last-minute flight deals from Oklahoma City to Harlingen. Data last updated October 16, 2026 and is based on user searches.

Sat 10/173:00 pm -

1 stop6h 52m

Mon 10/195:18 pm -

1 stop5h 57m

Deal found 10/13

$529

Wed 10/2812:27 pm -

1 stop5h 45m

Sun 11/16:41 pm -

1 stop4h 11m

Deal found 10/13

$369

Wed 10/2810:35 am -

2 stops5h 25m

Sun 11/15:50 am -

1 stop3h 25m

Deal found 10/13

$374

Fri 11/65:45 am -

1 stop6h 35m

Sun 11/85:50 am -

1 stop3h 25m

Deal found 10/16

$334

Tue 11/176:35 am -

1 stop6h 46m

Wed 11/185:05 am -

1 stop4h 02m

Deal found 10/12

$379

Find flight deals from Oklahoma City to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$271 (American Airlines)
Popular in	November
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.

Search Deals

From Oklahoma City Will Rogers World to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 31% potential increase in price ($177 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).

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

Cheapest round-trip

Oklahoma CityHarlingen

OKC Oklahoma City Will Rogers World - HRL Harlingen Valley Intl

OKCHRL

Oklahoma City Will Rogers World

Fri 11/6

6:00 pm-11:35 pm

2 stops5h 35m

Harlingen Valley Intl

Sun 11/8

5:50 am-9:15 am

1 stop3h 25m

$334

Quickest round-trip

Oklahoma CityHarlingen

OKC Oklahoma City Will Rogers World - HRL Harlingen Valley Intl

OKCHRL

Oklahoma City Will Rogers World

Wed 10/28

10:35 am-4:00 pm

2 stops5h 25m

Harlingen Valley Intl

Sun 11/1

5:50 am-9:15 am

1 stop3h 25m

$374

Oklahoma CityHarlingen

OKC Oklahoma City Will Rogers World - HRL Harlingen Valley Intl

OKCHRL

Oklahoma City Will Rogers World

Tue 11/17

6:35 am-1:21 pm

1 stop6h 46m

Harlingen Valley Intl

Wed 11/18

5:25 pm-9:59 pm

1 stop4h 34m

$379

Oklahoma CityHarlingen

OKC Oklahoma City Will Rogers World - HRL Harlingen Valley Intl

OKCHRL

Oklahoma City Will Rogers World

Sat 1/9

9:05 am-3:53 pm

1 stop6h 48m

Harlingen Valley Intl

Sat 1/16

7:00 am-8:25 pm

2 stops13h 25m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Sorted by cheapest first

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 October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	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 flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oklahoma City-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oklahoma City-Harlingen flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Oklahoma City-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub 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 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.

OKC-HRL

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.

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

7.9

Good

4,219 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

7.9

Good

4,219 reviews

Southwest

7.9

Good

4,219 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

7.0

Good

12,169 reviews

Southwest

7.9

Good

4,219 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?
Southwest and United Airlines can get you from Oklahoma City to Harlingen in just under 5h 35m. Your travel time can differ by up to 1h 11m. The distance from Oklahoma City to Harlingen is about 633 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Oklahoma City to Harlingen round-trip?
Flying on American Airlines is currently your cheapest option to Harlingen, with prices starting at $158. Another option worth looking into is Southwest, starting at $260 round trip. American Airlines is 59% 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.

See more FAQs

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Top 2 airlines flying from Oklahoma City to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$158	Average$345	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$260	Average$383	FlexibilityNo cancel fee	On-time63%

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$334+ Cheap flights from Oklahoma City to Harlingen (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 11/6. 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

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Cheap 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 October 16, 2026.

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 October 16, 2026.

Best flights from Oklahoma City to HarlingenDiscover 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 October 16, 2026.

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 October 16, 2026.

Last-minute flights from Oklahoma City to HarlingenDiscover last-minute flight deals from Oklahoma City to Harlingen. Data last updated October 16, 2026 and is based on user searches.

Discover last-minute flight deals from Oklahoma City to Harlingen. Data last updated October 16, 2026 and is based on user searches.

Find flight deals from Oklahoma City to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

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 October.

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.

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

How long is the flight from Oklahoma City to Harlingen?

What are the cheapest airlines flying from Oklahoma City to Harlingen 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?

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.

Complete your trip

Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Oklahoma City to Harlingen by cabin class

Find flights from Oklahoma City to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Harlingen

Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.

Oklahoma City and Harlingen flights

Browse other Oklahoma City and Harlingen flight options. Last updated on October 16, 2026.

Other flights from Oklahoma City

Browse through other flights departing from Oklahoma City. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2026.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2026

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 October 16, 2026.

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 October 16, 2026.

Last-minute flights from Oklahoma City to Harlingen
Discover last-minute flight deals from Oklahoma City to Harlingen. Data last updated October 16, 2026 and is based on user searches.