What is the cheapest airline that flies from United States to Louisville Intl?

Spirit Airlines, Delta, and Southwest are the most popular carriers operating from United States to Louisville Intl

What is the most punctual flight time for the United States to Louisville flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

How many flights depart from United States to Louisville on average per week?

229 flights are operational weekly from United States to Louisville as of April 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Which airline has the best punctuality record on the United States to Louisville flights?

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

How long does it take to fly to Louisville?

If you’re flying from a popular airport in United States, such as New York or Boston, and flying into Louisville, then you can expect flight times to average 2h 15m and 2h 22m, respectively.

What airlines fly to Louisville?

American Airlines, Delta and Frontier are the top three most popular airlines that fly to Louisville from United States according to our data. American Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 13 different airlines that fly to Louisville on a routine basis, so you have a few additional options to choose from.

How many flights depart from United States to Louisville on average per day?

32 flights are operational daily from United States to Louisville as of April 2026. The most popular departure time for this route is 8:00PM, with 41% of flights per day taking off in the evening.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from United States to Louisville Intl Airport?

Prices for flights from United States to Louisville Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from United States to Louisville Intl Airport?

As of April 2026, there are 5 operators available to choose from for flights from United States to Louisville Intl Airport.

How old do you have to be to fly from United States to Louisville Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Louisville Intl Airport.

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

The necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$63 Cheap Flights from the United States to Louisville in 2026

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Find the cheapest flights from the United States to Louisville

Round-trip

One-way

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Direct

Recent round-trip flight deals from the United States to Louisville

Enter your travel dates to find the best prices.

3:20 pm - 9:28 am

PHL

SDF

18h 08m

1 stop

10:33 am - 12:44 am

SDF

PHL

14h 11m

1 stop

$155Multiple Airlines

Sun, May 3 - Fri, May 8

3:20 pm - 9:28 am

PHL

SDF

18h 08m

1 stop

7:48 pm - 3:42 pm

SDF

PHL

19h 54m

1 stop

$162Multiple Airlines

Sun, May 3 - Mon, May 4

8:30 am - 10:58 am

LGA

SDF

2h 28mnonstop

5:59 pm - 8:20 pm

SDF

LGA

2h 21mnonstop

$239Delta

Fri, Jul 3 - Mon, Jul 6

8:25 pm - 10:50 pm

EWR

SDF

2h 25mnonstop

5:55 pm - 12:53 am

SDF

EWR

6h 58m

1 stop

$249United Airlines

Fri, Jul 3 - Mon, Jul 6

7:38 am - 9:38 am

DCA

SDF

2h 00mnonstop

5:56 am - 10:59 am

SDF

DCA

5h 03m

1 stop

$252American Airlines

Thu, May 7 - Sun, May 10

9:05 am - 5:10 pm

DCA

SDF

8h 05m

2 stops

3:40 pm - 10:45 pm

SDF

DCA

7h 05m

1 stop

$253Southwest

Tue, May 12 - Fri, May 15

6:20 am - 10:39 am

DCA

SDF

4h 19m

1 stop

6:00 am - 11:00 am

SDF

DCA

5h 00m

1 stop

$255Delta

Thu, May 7 - Sat, May 9

7:34 am - 9:41 am

DCA

SDF

2h 07mnonstop

6:00 am - 7:50 am

SDF

DCA

1h 50mnonstop

$258American Airlines

Wed, Jul 1 - Mon, Jul 6

8:31 am - 10:23 am

IAD

SDF

1h 52mnonstop

1:48 pm - 3:32 pm

SDF

IAD

1h 44mnonstop

$259United Airlines

Fri, Jun 26 - Mon, Jun 29

6:05 am - 11:20 am

DCA

SDF

5h 15m

1 stop

5:25 pm - 11:50 pm

SDF

DCA

6h 25m

1 stop

$263Southwest

Wed, May 20 - Thu, May 21

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American Airlines flights from United States to Louisville

Our best American Airlines deals on United States to Louisville flight tickets

American Airlines

May 7

DCA7:38 amWashington, D.C. Reagan-National

2h 00m

SDF9:38 amLouisville Intl

May 10

SDF5:56 amLouisville Intl

5h 03m

1 stop

DCA10:59 amWashington, D.C. Reagan-National

$252

American Airlines

Jul 1

DCA7:34 amWashington, D.C. Reagan-National

2h 07m

SDF9:41 amLouisville Intl

Jul 6

SDF6:00 amLouisville Intl

1h 50m

DCA7:50 amWashington, D.C. Reagan-National

$258

American Airlines

Aug 28

DCA5:26 pmWashington, D.C. Reagan-National

5h 51m

1 stop

SDF11:17 pmLouisville Intl

Aug 31

SDF6:10 amLouisville Intl

1h 49m

DCA7:59 amWashington, D.C. Reagan-National

$259

United Airlines flights from United States to Louisville

Our best United Airlines deals on United States to Louisville flight tickets

United Airlines

Jul 3

EWR8:25 pmNewark

2h 25m

SDF10:50 pmLouisville Intl

Jul 6

SDF5:55 pmLouisville Intl

6h 58m

1 stop

EWR12:53 amNewark

$249

United Airlines

Jun 26

IAD8:31 amWashington, D.C. Dulles Intl

1h 52m

SDF10:23 amLouisville Intl

Jun 29

SDF1:48 pmLouisville Intl

1h 44m

IAD3:32 pmWashington, D.C. Dulles Intl

$259

United Airlines

Jun 11

IAD8:31 amWashington, D.C. Dulles Intl

1h 52m

SDF10:23 amLouisville Intl

Jun 14

SDF6:00 amLouisville Intl

1h 35m

IAD7:35 amWashington, D.C. Dulles Intl

$263

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sun 5/3

3:20 pm-9:28 am

1 stop18h 08m

Louisville Intl

Fri 5/8

10:33 am-12:44 am

1 stop14h 11m

$155

PhiladelphiaLouisville

PHL - SDF

PHLSDF

Philadelphia

Sun 5/3

3:20 pm-9:28 am

1 stop18h 08m

Louisville Intl

Mon 5/4

7:48 pm-3:42 pm

1 stop19h 54m

$162

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Fri 7/3

8:30 am-10:58 am

Nonstop2h 28m

Louisville Intl

Mon 7/6

5:59 pm-8:20 pm

Nonstop2h 21m

$239

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 7/3

8:25 pm-10:50 pm

Nonstop2h 25m

Louisville Intl

Mon 7/6

5:55 pm-12:53 am

1 stop6h 58m

$249

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 5/7

7:38 am-9:38 am

Nonstop2h 00m

Louisville Intl

Sun 5/10

5:56 am-10:59 am

1 stop5h 03m

$252

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 5/12

9:05 am-5:10 pm

2 stops8h 05m

Louisville Intl

Fri 5/15

3:40 pm-10:45 pm

1 stop7h 05m

$253

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 5/7

6:20 am-10:39 am

1 stop4h 19m

Louisville Intl

Sat 5/9

6:00 am-11:00 am

1 stop5h 00m

$255

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 7/1

7:34 am-9:41 am

Nonstop2h 07m

Louisville Intl

Mon 7/6

6:00 am-7:50 am

Nonstop1h 50m

$258

Quickest round-trip

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 6/26

8:31 am-10:23 am

Nonstop1h 52m

Louisville Intl

Mon 6/29

1:48 pm-3:32 pm

Nonstop1h 44m

$259

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 5/20

6:05 am-11:20 am

1 stop5h 15m

Louisville Intl

Thu 5/21

5:25 pm-11:50 pm

1 stop6h 25m

$263

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United States 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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of July, then departing from United States during the month August is also very affordable. Most momondo users find prices during this month for around $295.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from United States is on a Saturday. momondo users have found tickets for Saturday departures for as low as $309. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from United States to Louisville on a Monday will generally be more expensive and average around $478. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Louisville?

Our data shows that the cheapest United States to Louisville flights are usually those with departure times in the evening. Our users have found flights to Louisville in the evening for as low as $336. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $400 per ticket.

What is the cheapest United States to Louisville Intl flight route?

Fly from Orlando to Louisville Intl for the best United States - Louisville Intl flight prices

What cabin class options are available on United States to Louisville Intl flights?

There are 4 cabin classes available to choose from on United States to Louisville Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Louisville flights?

No. A direct flight is the cheapest option for a flight between United States to Louisville.

Cheap United States to Louisville flight deals and tips

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

Best Price Found	$70
Fastest flight time	1h 00m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from United States in the past 72 hours is $70. The best round-trip flight deal from United States to Louisville found on momondo in the last 72 hours is $133.

The fastest flight from United States to Louisville takes 1h 00m

Direct flights go from United States to Louisville every day.

There is 1 airport in Louisville. From United States there are direct flights to Louisville Intl (SDF).

Search flight deals

Frequently asked questions about flying from the United States to Louisville

When did momondo last update prices for flights from United States to Louisville Intl Airport?
Prices for flights from United States to Louisville Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from United States to Louisville Intl Airport?
As of April 2026, there are 5 operators available to choose from for flights from United States to Louisville Intl Airport.
How old do you have to be to fly from United States to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Louisville Intl Airport.
What documentation or ID do you need to fly to Louisville Intl Airport?
The necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Louisville?
Based on momondo bookings for flights between United States and Louisville, the leading plane model is Embraer 175, making up 22.77% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 17.07%, Canadair (Bombardier) Regional Jet 900 with 11.61%, and Boeing 737 MAX 8 with 10.35%.

Best airlines flying from United States to Louisville

Compare and see reviews for airlines that fly from United States to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $50	Free Cancellation	Rating 6.3 8,616 reviews	Search Spirit Airlines flights
Breeze Airways	PriceFrom $129	Free Cancellation	Rating 8.1 279 reviews	Search Breeze Airways flights
Delta	PriceFrom $141	Free Cancellation	Rating 7.9 8,409 reviews	Search Delta flights
Southwest	PriceFrom $172	Free Cancellation	Rating 8.0 4,328 reviews	Search Southwest flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.1 11,593 reviews	Search American Airlines flights
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 9,602 reviews	Search United Airlines flights
JetBlue	PriceFrom $358	Free Cancellation	Rating 7.2 2,939 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $491	Free Cancellation	Rating 7.9 12,252 reviews	Search Alaska Airlines flights

French Lick

Elizabethtown

West Baden Springs

Jeffersonville

Bardstown

New Albany

Shepherdsville

Corydon

Brandenburg

Charlestown

Elizabeth

Springfield

Georgetown

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Louisville from United States which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United States to Louisville?

Once all potential United States to Louisville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of United States 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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Cheap flights from the United States to Louisville from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Louisville departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from United States to Louisville

Our best American Airlines deals on United States to Louisville flight tickets

United Airlines flights from United States to Louisville

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Use the filters below to find and compare flights from the United States to Louisville that are best for you.

See travel insights to Louisville from

How to get the cheapest flight ticket from United States to Louisville

What is the cheapest month to fly to Louisville?

What is the cheapest day to depart on your flight to Louisville?

What is the cheapest time of day to depart on your flight to Louisville?

What is the cheapest United States to Louisville Intl flight route?

What cabin class options are available on United States to Louisville Intl flights?

Can stopping save me money on United States to Louisville flights?

What is the cheapest airline that flies from United States to Louisville Intl?

What airlines fly to Louisville?

How often are flights from the United States to Louisville delayed?

What is the most punctual flight time for the United States to Louisville flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on the United States to Louisville flights?

How many flights depart from United States to Louisville on average per day?

How many flights depart from United States to Louisville on average per week?

How long does it take to fly to Louisville?

Cheap United States to Louisville flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Frequently asked questions about flying from the United States to Louisville

Best airlines flying from United States to Louisville

Compare and see reviews for airlines that fly from United States to Louisville with momondo

Traveling to a place near Louisville?

Why use momondo?

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Kentucky

Fly your favorite airline to Louisville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Louisville. Availability may vary depending on flight origin and airline.

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