$185+ Cheap flights from Harlingen to Oklahoma City (HRL - OKC)
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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — OKC
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to Oklahoma City 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 Harlingen to Oklahoma City
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Cheapest flights from Harlingen to Oklahoma CityExplore the most affordable flight options available from Harlingen to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Harlingen to Oklahoma City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/195:30 am -
1 stop4h 05m
Wed 10/214:00 pm -
1 stop6h 00m
Deal found 9/16![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/292:00 pm -
1 stop4h 10m
Sat 10/35:10 pm -
1 stop4h 42m
Deal found 9/14![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
1 stop10h 25m
Sun 10/185:30 am -
1 stop6h 30m
Deal found 9/15![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/14. 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 9/2912:35 pm -
1 stop3h 30m
Sat 10/35:40 am -
2 stops6h 20m
Deal found 9/14![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:05 am -
1 stop3h 46m
Fri 9/1812:02 pm -
1 stop3h 57m
Deal found 9/15![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:40 pm -
1 stop5h 35m
Fri 9/187:10 am -
2 stops6h 10m
Deal found 9/15![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 9/257:15 am -
1 stop6h 41m
Sun 9/277:00 am -
1 stop6h 23m
Deal found 9/16![United Airlines logo]()
$544
Best flights from Harlingen to Oklahoma CityDiscover carefully curated flight deals from Harlingen to Oklahoma City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Harlingen to Oklahoma City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/195:30 am -
1 stop4h 05m
Wed 10/214:00 pm -
1 stop6h 00m
Deal found 9/16![Southwest logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/292:00 pm -
1 stop4h 10m
Sat 10/35:10 pm -
1 stop4h 42m
Deal found 9/14![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
1 stop10h 25m
Sun 10/185:30 am -
1 stop6h 30m
Deal found 9/15![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/14. 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 9/2912:35 pm -
1 stop3h 30m
Sat 10/35:40 am -
2 stops6h 20m
Deal found 9/14![Southwest logo]()
$404
Last-minute flights from Harlingen to Oklahoma CityDiscover last-minute flight deals from Harlingen to Oklahoma City. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Oklahoma City. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:05 am -
1 stop3h 46m
Fri 9/1812:02 pm -
1 stop3h 57m
Deal found 9/15![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:40 pm -
1 stop5h 35m
Fri 9/187:10 am -
2 stops6h 10m
Deal found 9/15![Southwest logo]()
$446
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 9/257:15 am -
1 stop6h 41m
Sun 9/277:00 am -
1 stop6h 23m
Deal found 9/16![United Airlines logo]()
$544
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 9/292:00 pm -
1 stop4h 10m
Sat 10/35:10 pm -
1 stop4h 42m
Deal found 9/14![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 9/14. 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 9/2912:35 pm -
1 stop3h 30m
Sat 10/35:40 am -
2 stops6h 20m
Deal found 9/14![Southwest logo]()
$404
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:30 am -
1 stop10h 25m
Sun 10/185:30 am -
1 stop6h 30m
Deal found 9/15![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/16. 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.
Mon 10/195:30 am -
1 stop4h 05m
Wed 10/214:00 pm -
1 stop6h 00m
Deal found 9/16![Southwest logo]()
$312
One-way flights from Harlingen to Oklahoma CitySearch for one-way flight options from Harlingen to Oklahoma City. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Harlingen to Oklahoma City. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/16. 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 9/305:51 am -
1 stop4h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 9/16. 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.
Wed 9/307:25 am -
2 stops7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$190
Find flight deals from Harlingen to Oklahoma City
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Oklahoma City (OKC). 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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Southwest) |
One-way from | $185 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Oklahoma City 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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Harlingen to Oklahoma City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Wed 9/30
5:51 am-10:20 am
1 stop4h 29m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$185
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Wed 9/30
7:25 am-3:20 pm
2 stops7h 55m
Oklahoma City Will Rogers World
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$190
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Mon 10/19
5:30 am-9:35 am
1 stop4h 05m
Oklahoma City Will Rogers World
Wed 10/21
4:00 pm-10:00 pm
1 stop6h 00m
$312
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Tue 9/29
2:00 pm-6:10 pm
1 stop4h 10m
Oklahoma City Will Rogers World
Sat 10/3
5:10 pm-9:52 pm
1 stop4h 42m
$369
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Fri 10/16
5:30 am-3:55 pm
1 stop10h 25m
Oklahoma City Will Rogers World
Sun 10/18
5:30 am-12:00 pm
1 stop6h 30m
$394
HarlingenOklahoma City
HRL Harlingen Valley Intl - OKC Oklahoma City Will Rogers World
HRLOKC
Harlingen Valley Intl
Tue 9/29
12:35 pm-4:05 pm
1 stop3h 30m
Oklahoma City Will Rogers World
Sat 10/3
5:40 am-12:00 pm
2 stops6h 20m
$404
Sorted by cheapest first
Compare providers for flights from Harlingen to Oklahoma City
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 Harlingen to Oklahoma City in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Harlingen-Oklahoma City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Oklahoma City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Oklahoma City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Oklahoma City 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 Harlingen-Oklahoma City 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 Harlingen to Oklahoma City
Have a flexible travel schedule? Discover the best time to fly to Oklahoma City from Harlingen with our price prediction graph.
HRL-OKC
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.
Related info for your journey
Find useful and relevant information for your journey from Harlingen to Oklahoma City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Oklahoma City?
Book flights to Oklahoma City if you plan to visit one of these locationsMoore
Norman
Edmond
Shawnee
Midwest City
Ada
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