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Cheap flights from Harlingen to Louisville from $296

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to Louisville departing on 8/5. 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 Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:10 am - 2:37 pm
HRL
-
SDF
8h 27m
2 stops
United Airlines Logo
3:35 pm - 9:52 pm
SDF
-
HRL
7h 17m
1 stop
$296United Airlines
Wed, Aug 5 - Tue, Aug 18
United Airlines Logo
5:10 am - 2:37 pm
HRL
-
SDF
8h 27m
2 stops
United Airlines Logo
5:15 am - 1:24 pm
SDF
-
HRL
9h 09m
2 stops
$301United Airlines
Wed, Aug 5 - Tue, Aug 18
United Airlines Logo
5:10 am - 11:54 am
HRL
-
SDF
5h 44m
1 stop
United Airlines Logo
7:25 am - 1:24 pm
SDF
-
HRL
6h 59m
1 stop
$326United Airlines
Wed, Aug 5 - Tue, Aug 18
United Airlines Logo
5:05 am - 1:08 pm
HRL
-
SDF
7h 03m
1 stop
United Airlines Logo
11:15 am - 10:51 pm
SDF
-
HRL
12h 36m
2 stops
$386United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
5:05 am - 5:01 pm
HRL
-
SDF
10h 56m
2 stops
United Airlines Logo
5:25 am - 1:24 pm
SDF
-
HRL
8h 59m
2 stops
$391United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
7:18 am - 8:33 pm
HRL
-
SDF
12h 15m
2 stops
United Airlines Logo
10:25 am - 7:43 pm
SDF
-
HRL
10h 18m
2 stops
$404United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
7:20 am - 1:33 pm
HRL
-
SDF
5h 13m
1 stop
United Airlines Logo
9:32 am - 3:34 pm
SDF
-
HRL
7h 02m
1 stop
$473United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
1:59 pm - 7:56 pm
HRL
-
SDF
4h 57m
1 stop
United Airlines Logo
9:25 am - 4:00 pm
SDF
-
HRL
7h 35m
1 stop
$520United Airlines
Tue, Nov 17 - Wed, Nov 18
United Airlines Logo
7:18 am - 1:08 pm
HRL
-
SDF
4h 50m
1 stop
United Airlines Logo
7:00 am - 7:43 pm
SDF
-
HRL
13h 43m
1 stop
$587United Airlines
Tue, Nov 17 - Wed, Nov 18

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United Airlines flights from Harlingen to Louisville

Our best United Airlines deals on Harlingen to Louisville flight tickets
United Airlines
Aug 5
HRL5:10 amHarlingen Valley Intl
8h 27m
2 stops
SDF2:37 pmLouisville Intl
Aug 18
SDF3:35 pmLouisville Intl
7h 17m
1 stop
HRL9:52 pmHarlingen Valley Intl
$296
United Airlines
Aug 5
HRL5:10 amHarlingen Valley Intl
8h 27m
2 stops
SDF2:37 pmLouisville Intl
Aug 18
SDF5:15 amLouisville Intl
9h 09m
2 stops
HRL1:24 pmHarlingen Valley Intl
$301
United Airlines
Aug 5
HRL5:10 amHarlingen Valley Intl
5h 44m
1 stop
SDF11:54 amLouisville Intl
Aug 18
SDF7:25 amLouisville Intl
6h 59m
1 stop
HRL1:24 pmHarlingen Valley Intl
$326

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen to Louisville 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 June 22, 2026.
Use the filters below to find and compare flights from Harlingen to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Wed 8/5

5:10 am-2:37 pm

2 stops8h 27m

Louisville Intl

Tue 8/18

3:35 pm-9:52 pm

1 stop7h 17m

$296

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Wed 8/5

5:10 am-2:37 pm

2 stops8h 27m

Louisville Intl

Tue 8/18

5:15 am-1:24 pm

2 stops9h 09m

$301

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Wed 8/5

5:10 am-11:54 am

1 stop5h 44m

Louisville Intl

Tue 8/18

7:25 am-1:24 pm

1 stop6h 59m

$326

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

5:05 am-1:08 pm

1 stop7h 03m

Louisville Intl

Wed 11/18

11:15 am-10:51 pm

2 stops12h 36m

$386

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

5:05 am-5:01 pm

2 stops10h 56m

Louisville Intl

Wed 11/18

5:25 am-1:24 pm

2 stops8h 59m

$391

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

7:18 am-8:33 pm

2 stops12h 15m

Louisville Intl

Wed 11/18

10:25 am-7:43 pm

2 stops10h 18m

$404
Quickest round-trip

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

7:20 am-1:33 pm

1 stop5h 13m

Louisville Intl

Wed 11/18

9:32 am-3:34 pm

1 stop7h 02m

$473

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

1:59 pm-7:56 pm

1 stop4h 57m

Louisville Intl

Wed 11/18

9:25 am-4:00 pm

1 stop7h 35m

$520

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

Tue 11/17

7:18 am-1:08 pm

1 stop4h 50m

Louisville Intl

Wed 11/18

7:00 am-7:43 pm

1 stop13h 43m

$587

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Louisville from

How to get the cheapest flight ticket from Harlingen to Louisville

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

Can stopping save me money on Harlingen to Louisville flights?

You could potentially save up to 2% on your flight if you consider stops on a Harlingen to Louisville flight.

When to book flights from Harlingen to Louisville

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

Cheap Harlingen to Louisville (HRL to SDF) flight deals and tips

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

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Harlingen to Louisville takes 4h 50m
There are no direct flights from Harlingen to Louisville. There are no popular flight routes from Harlingen to Louisville.
Search flight deals

Frequently asked questions about flying from Harlingen to Louisville

  • How far is Harlingen Valley Intl to Louisville Intl by plane?

    There are 1084.1 mi between Harlingen Valley Intl and Louisville Intl. A reasonable flight in good conditions will take 4h 50m.

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

    Prices for flights from Harlingen Valley Intl Airport to Louisville Intl Airport were last updated today.

  • How old do you have to be to fly from Harlingen Valley Intl Airport to Louisville Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Jeffersonville
West Baden Springs
Bardstown
Shepherdsville
New Albany
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Harlingen to Louisville. momondo saves you time and could save you money on your trip.

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

Flights from Harlingen to Louisville 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 Louisville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from Harlingen.

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

Of course. momondo tracks the price of Harlingen to Louisville flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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