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

According to our data, Southwest have had the least number of delays on this route over the last 12 months; with about 21% of their flights experiencing any sort of delay.

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.

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

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

57 flights are operational daily from United States to Louisville as of July 2026. The most popular departure time for this route is 8:00PM, with 40% of flights per day taking off in the afternoon.

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 09m and 2h 25m, respectively.

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

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

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 33% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 12 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 week?

399 flights are operational weekly from United States to Louisville as of July 2026. The most popular departure day for this route is Thu, with 19% of flights per week taking off on this day.

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 July 2026, there are 6 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.

$74 Cheap Flights from the United States to Louisville in 2026

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

Historically, on average around 15% of flights between United States and Louisville have experienced a delay on any given week. The average delay length over the past 12 months has been 109 minutes.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Louisville

Round-trip

One-way

Last minute

Direct

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

Enter your travel dates to find the best prices.

5:01 am - 2:40 pm

ATL

SDF

9h 39m

1 stop

9:24 pm - 5:09 pm

SDF

ATL

19h 45m

1 stop

$177Multiple Airlines

Thu, Aug 13 - Sun, Aug 16

5:01 am - 2:40 pm

ATL

SDF

9h 39m

1 stop

9:10 pm - 9:05 am

SDF

ATL

11h 55m

1 stop

$181Multiple Airlines

Thu, Aug 13 - Mon, Aug 17

10:55 am - 12:40 pm

BWI

SDF

1h 45mnonstop

6:30 am - 8:05 am

SDF

BWI

1h 35mnonstop

$191Southwest

Sat, Sep 5 - Sun, Sep 6

1:50 pm - 3:30 pm

BWI

SDF

1h 40mnonstop

11:50 am - 1:30 pm

SDF

BWI

1h 40mnonstop

$199Southwest

Fri, Sep 11 - Mon, Sep 14

6:00 am - 10:32 am

BWI

SDF

4h 32m

1 stop

7:05 am - 1:05 pm

SDF

BWI

6h 00m

1 stop

$212Delta

Sat, Sep 5 - Sun, Sep 6

11:05 am - 1:27 pm

LGA

SDF

2h 22mnonstop

6:00 am - 8:12 am

SDF

LGA

2h 12mnonstop

$239Delta

Thu, Aug 13 - Sun, Aug 16

5:45 pm - 8:13 pm

EWR

SDF

2h 28mnonstop

6:15 am - 8:28 am

SDF

EWR

2h 13mnonstop

$239United Airlines

Thu, Aug 13 - Mon, Aug 17

6:00 am - 10:18 am

EWR

SDF

4h 18m

1 stop

6:15 am - 8:28 am

SDF

EWR

2h 13mnonstop

$249United Airlines

Fri, Aug 21 - Fri, Aug 28

1:23 pm - 5:59 pm

IAD

SDF

4h 36m

1 stop

6:05 am - 9:57 am

SDF

IAD

3h 52m

1 stop

$259American Airlines

Wed, Aug 5 - Wed, Aug 12

1:23 pm - 5:59 pm

IAD

SDF

4h 36m

1 stop

8:16 am - 12:48 pm

SDF

IAD

4h 32m

1 stop

$264American Airlines

Fri, Aug 28 - Tue, Sep 1

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Allegiant Air flights from United States to Louisville

Our best Allegiant Air deals on United States to Louisville flight tickets

Allegiant Air

Oct 4

DEN7:34 pmDenver Intl

16h 59m

1 stop

SDF2:33 pmLouisville Intl

Oct 10

SDF9:06 pmLouisville Intl

15h 19m

1 stop

DEN10:25 amDenver Intl

$271

Allegiant Air

Oct 2

DEN10:14 amDenver Intl

29h 23m

2 stops

SDF5:37 pmLouisville Intl

Oct 10

SDF9:06 pmLouisville Intl

15h 19m

1 stop

DEN10:25 amDenver Intl

$326

Delta flights from United States to Louisville

Our best Delta deals on United States to Louisville flight tickets

Delta

Sep 5

BWI6:00 amBaltimore/Washington

4h 32m

1 stop

SDF10:32 amLouisville Intl

Sep 6

SDF7:05 amLouisville Intl

6h 00m

1 stop

BWI1:05 pmBaltimore/Washington

$212

Delta

Aug 13

LGA11:05 amNew York LaGuardia

2h 22m

SDF1:27 pmLouisville Intl

Aug 16

SDF6:00 amLouisville Intl

2h 12m

LGA8:12 amNew York LaGuardia

$239

Delta

Aug 5

BWI7:00 amBaltimore/Washington

5h 21m

1 stop

SDF12:21 pmLouisville Intl

Aug 8

SDF10:34 amLouisville Intl

6h 15m

1 stop

BWI4:49 pmBaltimore/Washington

$243

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

AtlantaLouisville

ATL - SDF

ATLSDF

Atlanta Hartsfield-Jackson

Thu 8/13

5:01 am-2:40 pm

1 stop9h 39m

Louisville Intl

Sun 8/16

9:24 pm-5:09 pm

1 stop19h 45m

$177

AtlantaLouisville

ATL - SDF

ATLSDF

Atlanta Hartsfield-Jackson

Thu 8/13

5:01 am-2:40 pm

1 stop9h 39m

Louisville Intl

Mon 8/17

9:10 pm-9:05 am

1 stop11h 55m

$181

Quickest round-trip

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sat 9/5

10:55 am-12:40 pm

Nonstop1h 45m

Louisville Intl

Sun 9/6

6:30 am-8:05 am

Nonstop1h 35m

$191

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 9/11

1:50 pm-3:30 pm

Nonstop1h 40m

Louisville Intl

Mon 9/14

11:50 am-1:30 pm

Nonstop1h 40m

$199

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sat 9/5

6:00 am-10:32 am

1 stop4h 32m

Louisville Intl

Sun 9/6

7:05 am-1:05 pm

1 stop6h 00m

$212

New YorkLouisville

LGA - SDF

LGASDF

New York LaGuardia

Thu 8/13

11:05 am-1:27 pm

Nonstop2h 22m

Louisville Intl

Sun 8/16

6:00 am-8:12 am

Nonstop2h 12m

$239

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Thu 8/13

5:45 pm-8:13 pm

Nonstop2h 28m

Louisville Intl

Mon 8/17

6:15 am-8:28 am

Nonstop2h 13m

$239

NewarkLouisville

EWR - SDF

EWRSDF

Newark

Fri 8/21

6:00 am-10:18 am

1 stop4h 18m

Louisville Intl

Fri 8/28

6:15 am-8:28 am

Nonstop2h 13m

$249

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 8/5

1:23 pm-5:59 pm

1 stop4h 36m

Louisville Intl

Wed 8/12

6:05 am-9:57 am

1 stop3h 52m

$259

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 8/28

1:23 pm-5:59 pm

1 stop4h 36m

Louisville Intl

Tue 9/1

8:16 am-12:48 pm

1 stop4h 32m

$264

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 January, then departing from United States during the month December is also very affordable. Most momondo users find prices during this month for around $344.

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 $320. 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 $627. 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 $360. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $433 per ticket.

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

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

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

There are 4 cabin classes available to choose from on United States to Louisville 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	$49
Fastest flight time	0h 55m
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 $49. The best round-trip flight deal from United States to Louisville found on momondo in the last 72 hours is $92.

The fastest flight from United States to Louisville takes 0h 55m

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 July 2026, there are 6 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 22.46% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 16.59%, Canadair (Bombardier) Regional Jet 900 with 9.20%, and Boeing 737 MAX 8 with 8.15%.

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
Allegiant Air	PriceFrom $76	Free Cancellation	Rating 7.3 681 reviews	Search Allegiant Air flights
Breeze Airways	PriceFrom $129	Free Cancellation	Rating 8.2 299 reviews	Search Breeze Airways flights
Delta	PriceFrom $152	Free Cancellation	Rating 7.8 8,472 reviews	Search Delta flights
Southwest	PriceFrom $172	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $179	Free Cancellation	Rating 7.1 11,816 reviews	Search American Airlines flights
United Airlines	PriceFrom $212	Free Cancellation	Rating 7.4 9,993 reviews	Search United Airlines flights
JetBlue	PriceFrom $287	Free Cancellation	Rating 7.1 3,010 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $491	Free Cancellation	Rating 7.9 12,662 reviews	Search Alaska Airlines flights

French Lick

Elizabethtown

Jeffersonville

West Baden Springs

Bardstown

New Albany

Shepherdsville

Elizabeth

Corydon

Charlestown

Brandenburg

Georgetown

Springfield

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 $74

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 8/20. 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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Allegiant Air flights from United States to Louisville

Our best Allegiant Air deals on United States to Louisville flight tickets

Delta flights from United States to Louisville

Our best Delta deals on United States to Louisville flight tickets

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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 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

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

Cabin classes currently available on flights to Louisville

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

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