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

Currently priced at $324, 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. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $407 and $437, respectively.

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

Travelers seeking maximum savings on their Oklahoma City to Harlingen, Texas flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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).

What is the cheapest day to fly round-trip from Oklahoma City to Harlingen, Texas?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 120% when planning your travel around this day of the week.

What is the cheapest month to fly from Oklahoma City to Harlingen, Texas?

September is one of the best times of the year to fly to Harlingen, Texas from Oklahoma City. Prices for September average $315 per person but you can even find prices for as low as $228. The most expensive prices can be found in the month of October. Opting for a September flight can save you 50% on your journey compared to booking in October

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.

$324+ Flights from Oklahoma City to Harlingen, TX

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Oklahoma City 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 Oklahoma City to Harlingen

Round-trip from	$324 (Southwest)
Popular in	October
Cheapest in	September
Average price	$308

From Oklahoma City Will Rogers World to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

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 July 1, 2025.

Sun 7/68:30 pmOKC - HRL

1 stop3h 25mSouthwest

Thu 7/108:50 pmHRL - OKC

1 stop3h 25mSouthwest

Deal found 6/30

$324

Thu 7/172:51 pmOKC - HRL

1 stop4h 35mAmerican Airlines

Mon 7/217:59 pmHRL - OKC

1 stop3h 59mAmerican Airlines

Deal found 7/1

$407

Thu 7/242:43 pmOKC - HRL

1 stop4h 52mUnited Airlines

Sat 7/265:10 amHRL - OKC

1 stop3h 46mUnited Airlines

Deal found 7/1

$437

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 July 1, 2025.

Sun 7/136:05 amOKC - HRL

1 stop3h 20mSouthwest

Tue 7/157:30 pmHRL - OKC

1 stop3h 35mSouthwest

Deal found 6/30

$324

Thu 7/172:51 pmOKC - HRL

1 stop4h 35mAmerican Airlines

Mon 7/217:59 pmHRL - OKC

1 stop3h 59mAmerican Airlines

Deal found 7/1

$407

Thu 7/242:43 pmOKC - HRL

1 stop4h 52mUnited Airlines

Sat 7/265:10 amHRL - OKC

1 stop3h 46mUnited Airlines

Deal found 7/1

$437

Last-minute flights from Oklahoma City to Harlingen
Discover last-minute flight deals from Oklahoma City to Harlingen. Data last updated July 1, 2025 and is based on user searches.

Sun 7/68:30 pmOKC - HRL

1 stop3h 25mSouthwest

Thu 7/108:50 pmHRL - OKC

1 stop3h 25mSouthwest

Deal found 6/30

$324

Thu 7/172:51 pmOKC - HRL

1 stop4h 35mAmerican Airlines

Mon 7/217:59 pmHRL - OKC

1 stop3h 59mAmerican Airlines

Deal found 7/1

$407

Thu 7/242:43 pmOKC - HRL

1 stop4h 52mUnited Airlines

Sat 7/265:10 amHRL - OKC

1 stop3h 46mUnited Airlines

Deal found 7/1

$437

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

Sun 7/13

6:05 am-9:25 am

1 stop3h 20m

Harlingen Valley Intl

Tue 7/15

7:30 pm-11:05 pm

1 stop3h 35m

$324

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Thu 7/17

2:51 pm-7:26 pm

1 stop4h 35m

Harlingen Valley Intl

Mon 7/21

7:59 pm-11:58 pm

1 stop3h 59m

$407

Oklahoma CityHarlingen

OKC - HRL

OKCHRL

Oklahoma City Will Rogers World

Thu 7/24

2:43 pm-7:35 pm

1 stop4h 52m

Harlingen Valley Intl

Sat 7/26

5:10 am-8:56 am

1 stop3h 46m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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, April is the cheapest month in which you can book a flight from Oklahoma City to Harlingen, Texas (average of $267). Flying from Oklahoma City to Harlingen, Texas in June is currently the most expensive (average of $390). 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 43% on your trip compared to booking a flight at noon.

Reviews of airlines servicing Harlingen

Read through reviews of airlines operating flights from Oklahoma City to Harlingen, such as Southwest, United Airlines, 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

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,273 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,858 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,273 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines flying from Oklahoma City to Harlingen, Texas round-trip?
Currently priced at $324, 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. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $407 and $437, respectively.
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, April is the cheapest month in which you can book a flight from Oklahoma City to Harlingen, Texas (average of $267). Flying from Oklahoma City to Harlingen, Texas in June is currently the most expensive (average of $390). 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$323	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$233	Average$278	FlexibilityNo cancel fee	On-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.

$324+ 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 7/6. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oklahoma City to Harlingen

Round-trip from

Popular in

Cheapest in

Average price

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 July 1, 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 July 1, 2025.

Cheapflights Fare Finder

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

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?

Find hourly flight availability from Oklahoma City 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 1, 2025.

Reviews of airlines servicing Harlingen

Read through reviews of airlines operating flights from Oklahoma City to Harlingen, such as Southwest, United Airlines, 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.

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

100% Free

Book with Flexibility

Travel Smart

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 July 1, 2025.