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Cheap flights from Harlingen, Texas to Louisville from $324

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, Texas to Louisville departing on 3/10. 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
0 bags

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Find the cheapest flights from Harlingen, Texas to Louisville

Cheap round-trip flights

Delta Logo
3:00 pm - 10:55 pmHRL-SDF
6h 55m1 stop
Delta Logo
6:36 am - 2:29 pmSDF-HRL
8h 53m1 stop
$324Delta
Find Deal
mar., mar. 10 - mié., mar. 11
Delta Logo
3:00 pm - 10:55 pmHRL-SDF
6h 55m1 stop
Delta Logo
6:36 am - 2:29 pmSDF-HRL
8h 53m1 stop
$359Delta
Find Deal
mar., mar. 10 - mié., mar. 11
United Airlines Logo
5:15 am - 4:49 pmHRL-SDF
10h 34m2 stops
United Airlines Logo
9:00 am - 5:43 pmSDF-HRL
9h 43m2 stops
$457United Airlines
Find Deal
mar., mar. 10 - mié., mar. 11

American Airlines flights from Harlingen, Texas to Louisville

Our best American Airlines deals on Harlingen, Texas to Louisville flight tickets
American Airlines
Sep 29
HRL10:11 amHarlingen Valley Intl
6h 23m
1 stop
SDF5:34 pmLouisville Intl
Oct 2
SDF6:22 pmLouisville Intl
5h 30m
1 stop
HRL10:52 pmHarlingen Valley Intl
$369
Find similar
American Airlines
Sep 29
HRL10:11 amHarlingen Valley Intl
6h 23m
1 stop
SDF5:34 pmLouisville Intl
Oct 2
SDF8:00 amLouisville Intl
10h 49m
2 stops
HRL5:49 pmHarlingen Valley Intl
$374
Find similar
American Airlines
Sep 29
HRL5:45 amHarlingen Valley Intl
10h 03m
2 stops
SDF4:48 pmLouisville Intl
Oct 2
SDF8:00 amLouisville Intl
10h 49m
2 stops
HRL5:49 pmHarlingen Valley Intl
$396
Find similar

Delta flights from Harlingen, Texas to Louisville

Our best Delta deals on Harlingen, Texas to Louisville flight tickets
Delta
Mar 10
HRL3:00 pmHarlingen Valley Intl
6h 55m
1 stop
SDF10:55 pmLouisville Intl
Mar 11
SDF6:36 amLouisville Intl
8h 53m
1 stop
HRL2:29 pmHarlingen Valley Intl
$324
Find similar
Delta
Mar 10
HRL3:00 pmHarlingen Valley Intl
6h 55m
1 stop
SDF10:55 pmLouisville Intl
Mar 11
SDF6:36 amLouisville Intl
8h 53m
1 stop
HRL2:29 pmHarlingen Valley Intl
$359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Harlingen, Texas 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 septiembre 22, 2025.
Use the filters below to find and compare flights from Harlingen, Texas to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

mar. 3/10

3:00 pm-10:55 pm

1 stop6h 55m

Louisville Intl

mié. 3/11

6:36 am-2:29 pm

1 stop8h 53m

$324

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

mar. 3/10

3:00 pm-10:55 pm

1 stop6h 55m

Louisville Intl

mié. 3/11

6:36 am-2:29 pm

1 stop8h 53m

$359

HarlingenLouisville

HRL - SDF

HRLSDF

Harlingen Valley Intl

mar. 3/10

5:15 am-4:49 pm

2 stops10h 34m

Louisville Intl

mié. 3/11

9:00 am-5:43 pm

2 stops9h 43m

$457

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Harlingen, Texas to Louisville

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

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

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

Direct flights

None
There are no direct flights from Harlingen, Texas to Louisville. There are no popular flight routes from Harlingen, Texas to Louisville.
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  • 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 6h 55m.

  • 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.

  • How do I get Price Alerts for flights from Harlingen, Texas to Louisville?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Harlingen, Texas from Louisville. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Harlingen, Texas to Louisville with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Louisville?

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

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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1 adult
mié. 10/22
mié. 10/29
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