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Cheap flights from Harlingen to Baton Rouge from $264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Baton Rouge departing on 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Harlingen to Baton Rouge

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:20 am - 3:51 pm
HRL
-
BTR
6h 31m
1 stop
United Airlines Logo
9:40 am - 9:44 pm
BTR
-
HRL
12h 04m
1 stop
$599United Airlines
Wed, Dec 9 - Sat, Dec 12
United Airlines Logo
9:20 am - 3:51 pm
HRL
-
BTR
6h 31m
1 stop
United Airlines Logo
9:40 am - 9:44 pm
BTR
-
HRL
12h 04m
1 stop
$641United Airlines
Wed, Dec 9 - Sat, Dec 12
United Airlines Logo
9:20 am - 3:51 pm
HRL
-
BTR
6h 31m
1 stop
United Airlines Logo
9:40 am - 9:44 pm
BTR
-
HRL
12h 04m
1 stop
$666United Airlines
Wed, Dec 9 - Sat, Dec 12

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United Airlines flights from Harlingen to Baton Rouge

Our best United Airlines deals on Harlingen to Baton Rouge flight tickets
United Airlines
Aug 6
HRL5:10 amHarlingen Valley Intl
3h 36m
1 stop
BTR8:46 amBaton Rouge Ryan
Aug 13
BTR6:14 pmBaton Rouge Ryan
3h 38m
1 stop
HRL9:52 pmHarlingen Valley Intl
$438
United Airlines
Dec 9
HRL9:20 amHarlingen Valley Intl
6h 31m
1 stop
BTR3:51 pmBaton Rouge Ryan
Dec 12
BTR9:40 amBaton Rouge Ryan
12h 04m
1 stop
HRL9:44 pmHarlingen Valley Intl
$599
United Airlines
Dec 9
HRL9:20 amHarlingen Valley Intl
6h 31m
1 stop
BTR3:51 pmBaton Rouge Ryan
Dec 12
BTR9:40 amBaton Rouge Ryan
12h 04m
1 stop
HRL9:44 pmHarlingen Valley Intl
$641

momondo 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, momondo users made 832,500 searches. Data last updated July 30, 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

Price

Cheapest round-trip
Quickest round-trip

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Wed 12/9

9:20 am-3:51 pm

1 stop6h 31m

Baton Rouge Ryan

Sat 12/12

9:40 am-9:44 pm

1 stop12h 04m

$599

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Wed 12/9

9:20 am-3:51 pm

1 stop6h 31m

Baton Rouge Ryan

Sat 12/12

9:40 am-9:44 pm

1 stop12h 04m

$641

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Wed 12/9

9:20 am-3:51 pm

1 stop6h 31m

Baton Rouge Ryan

Sat 12/12

9:40 am-9:44 pm

1 stop12h 04m

$666
Cheapest one-way

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Wed 8/26

10:34 am-4:38 pm

1 stop6h 04m

$264
Quickest one-way

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Fri 10/16

5:05 am-8:43 am

1 stop3h 38m

$295

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Fri 10/16

5:05 am-8:43 am

1 stop3h 38m

$305

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Tue 8/4

4:58 pm-10:57 pm

1 stop5h 59m

$374

HarlingenBaton Rouge

HRL - BTR

HRLBTR

Harlingen Valley Intl

Tue 8/4

4:58 pm-10:57 pm

1 stop5h 59m

$402

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Baton Rouge from

How to get the cheapest flight ticket from Harlingen to Baton Rouge

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Harlingen Valley Intl to Baton Rouge Ryan?

American Airlines and United Airlines are the most popular carriers operating from Harlingen Valley Intl to Baton Rouge Ryan

What airlines fly to Baton Rouge?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Baton Rouge from Harlingen according to our data. United Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Baton Rouge. Keep in mind that there are 3 different airlines that fly to Baton Rouge on a routine basis, so you have a few additional options to choose from.

When to book flights from Harlingen to Baton Rouge

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to Baton Rouge according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Harlingen to Baton Rouge (HRL to BTR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to Baton Rouge

Fastest flight time

6h 31m

Direct flights

None
The fastest flight from Harlingen to Baton Rouge takes 6h 31m
There are no direct flights from Harlingen to Baton Rouge. There are no popular flight routes from Harlingen to Baton Rouge.
Search flight deals

Frequently asked questions about flying from Harlingen to Baton Rouge

  • How far is Harlingen Valley Intl to Baton Rouge Ryan by plane?

    The straight-line distance from Harlingen Valley Intl to Baton Rouge Ryan is 493.0 mi. 6h 31m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Harlingen Valley Intl Airport to Baton Rouge Ryan Airport?

    Prices for flights from Harlingen Valley Intl Airport to Baton Rouge Ryan Airport are updated daily.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Baton Rouge Ryan Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Harlingen Valley Intl Airport to Baton Rouge Ryan Airport.

  • What documentation or ID do you need to fly to Baton Rouge Ryan Airport?

    The travel and health documents you'll need for your trip to Baton Rouge Ryan Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baton Rouge Ryan Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
Denham Springs
Port Allen
McComb
Saint Francisville

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to Baton Rouge?

It is quick and easy to find Harlingen to Baton Rouge flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baton Rouge that suits you.

Can I find flights from Harlingen to Baton Rouge with flexible booking policies on momondo?

Flights from Harlingen to Baton Rouge with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Harlingen to Baton Rouge?

momondo provides multiple filters to help you find the best flight to Baton Rouge from Harlingen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Harlingen to Baton Rouge right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Baton Rouge from Harlingen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Sat 8/29
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