$300+ Cheap flights from Harlingen to Baton Rouge (HRL - BTR)
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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — BTR
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to Baton Rouge 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 Baton Rouge
Cheapest
Best
Last-minute
One-way
Cheapest flights from Harlingen to Baton RougeExplore the most affordable flight options available from Harlingen to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Harlingen to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/35:05 am -
1 stop6h 13m
Tue 10/64:07 pm -
1 stop5h 45m
Deal found 9/9![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/255:18 pm -
1 stop24h 25m
Mon 9/2812:05 pm -
1 stop3h 54m
Deal found 9/8![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/255:18 pm -
1 stop26h 13m
Sun 9/276:58 pm -
1 stop24h 46m
Deal found 9/8![United Airlines logo]()
$902
Best flights from Harlingen to Baton RougeDiscover carefully curated flight deals from Harlingen to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Harlingen to Baton Rouge that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/35:05 am -
1 stop6h 13m
Tue 10/64:07 pm -
1 stop5h 45m
Deal found 9/9![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 9/5. 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 1/75:05 am -
1 stop6h 10m
Sun 1/106:08 pm -
1 stop3h 36m
Deal found 9/5![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/255:18 pm -
1 stop24h 25m
Mon 9/2812:05 pm -
1 stop3h 54m
Deal found 9/8![United Airlines logo]()
$648
Last-minute flights from Harlingen to Baton RougeDiscover last-minute flight deals from Harlingen to Baton Rouge. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to Baton Rouge. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/255:18 pm -
1 stop24h 25m
Mon 9/2812:05 pm -
1 stop3h 54m
Deal found 9/8![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/8. 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 9/255:18 pm -
1 stop26h 13m
Sun 9/276:58 pm -
1 stop24h 46m
Deal found 9/8![United Airlines logo]()
$902
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 10/35:05 am -
1 stop6h 13m
Tue 10/64:07 pm -
1 stop5h 45m
Deal found 9/9![United Airlines logo]()
$369
One-way flights from Harlingen to Baton RougeSearch for one-way flight options from Harlingen to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Harlingen to Baton Rouge. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/165:05 am -
1 stop3h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/5. 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 9/225:28 pm -
1 stop5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$324
Find flight deals from Harlingen to Baton Rouge
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Baton Rouge (BTR). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (United Airlines) |
One-way from | $300 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to Baton Rouge 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 10, 2026.
Use the filters below to find and compare flights from Harlingen to Baton Rouge that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HarlingenBaton Rouge
HRL Harlingen Valley Intl - BTR Baton Rouge Ryan
HRLBTR
Harlingen Valley Intl
Fri 10/16
5:05 am-8:43 am
1 stop3h 38m
Baton Rouge Ryan
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$300
HarlingenBaton Rouge
HRL Harlingen Valley Intl - BTR Baton Rouge Ryan
HRLBTR
Harlingen Valley Intl
Tue 9/22
5:28 pm-10:53 pm
1 stop5h 25m
Baton Rouge Ryan
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$324
HarlingenBaton Rouge
HRL Harlingen Valley Intl - BTR Baton Rouge Ryan
HRLBTR
Harlingen Valley Intl
Sat 10/3
5:05 am-11:18 am
1 stop6h 13m
Baton Rouge Ryan
Tue 10/6
4:07 pm-9:52 pm
1 stop5h 45m
$369
HarlingenBaton Rouge
HRL Harlingen Valley Intl - BTR Baton Rouge Ryan
HRLBTR
Harlingen Valley Intl
Thu 1/7
5:05 am-11:15 am
1 stop6h 10m
Baton Rouge Ryan
Sun 1/10
6:08 pm-9:44 pm
1 stop3h 36m
$459
HarlingenBaton Rouge
HRL Harlingen Valley Intl - BTR Baton Rouge Ryan
HRLBTR
Harlingen Valley Intl
Fri 9/25
5:18 pm-5:43 pm
1 stop24h 25m
Baton Rouge Ryan
Mon 9/28
12:05 pm-3:59 pm
1 stop3h 54m
$648
Sorted by cheapest first
Compare providers for flights from Harlingen to Baton Rouge
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 Baton Rouge 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-Baton Rouge flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-Baton Rouge flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-Baton Rouge flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-Baton Rouge 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-Baton Rouge 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 Baton Rouge
Have a flexible travel schedule? Discover the best time to fly to Baton Rouge from Harlingen with our price prediction graph.
HRL-BTR
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 Baton Rouge. 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 Baton Rouge?
Book flights to Baton Rouge if you plan to visit one of these locationsMcComb
Saint Francisville
Denham Springs
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