What airlines fly to Louisville?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Louisville from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Louisville. Keep in mind that there are 5 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 Washington, D.C. to Louisville on average per week?

As of February 2026, there are 73 flights per week flying from Washington, D.C. to Louisville. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

How many flights depart from Washington, D.C. to Louisville on average per day?

As of February 2026, 10 flights take off from Washington, D.C. and land in Louisville each day. The most common flight departure time for this route is 5:00PM, with 62% of daily flights taking off in the afternoon.

How long does it take to fly to Louisville?

If you’re flying from a popular airport in Washington, D.C., such as Baltimore or Washington, D.C., and flying into Louisville, then you can expect flight times to average 1h 30m and 1h 38m, respectively.

What is the cheapest airline that flies from Washington, D.C. to Louisville Intl?

American Airlines, Delta, and Southwest are the most popular carriers operating from Washington, D.C. to Louisville Intl

When did momondo last update prices for flights from Washington, D.C. to Louisville Intl Airport?

Prices for flights from Washington, D.C. to Louisville Intl Airport were last updated today.

How many operators does momondo search for flights from Washington, D.C. to Louisville Intl Airport?

The number of operators available for flights from Washington, D.C. to Louisville Intl Airport is 4 as of February 2026.

How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. 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.

$88 Cheap Flights from Washington, D.C. to Louisville in 2026

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Find the cheapest flights from Washington, D.C. to Louisville

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:37 pm - 11:20 pm

BWI

SDF

4h 43m

1 stop

7:57 pm - 11:58 pm

SDF

BWI

4h 01m

1 stop

$187American Airlines

Mon, Mar 16 - Wed, Mar 18

5:00 am - 11:30 am

BWI

SDF

6h 30m

1 stop

6:12 pm - 11:33 pm

SDF

BWI

5h 21m

1 stop

$195American Airlines

Thu, Feb 26 - Mon, Mar 2

5:43 pm - 7:42 pm

IAD

SDF

1h 59mnonstop

2:35 pm - 4:13 pm

SDF

IAD

1h 38mnonstop

$198United Airlines

Fri, Mar 6 - Tue, Mar 10

9:43 pm - 6:58 pm

BWI

SDF

21h 15m

1 stop

7:48 pm - 8:50 am

SDF

BWI

13h 02m

1 stop

$198Multiple Airlines

Thu, May 7 - Mon, May 11

12:50 pm - 2:47 pm

IAD

SDF

1h 57mnonstop

9:55 am - 11:35 am

SDF

IAD

1h 40mnonstop

$201United Airlines

Fri, Apr 17 - Sun, Apr 19

10:00 pm - 11:41 am

BWI

SDF

13h 41m

1 stop

12:36 pm - 8:48 pm

SDF

BWI

8h 12m

1 stop

$206Multiple Airlines

Thu, May 14 - Mon, May 18

8:00 am - 2:54 pm

DCA

SDF

6h 54m

1 stop

6:03 am - 12:59 pm

SDF

DCA

6h 56m

1 stop

$209Delta

Sat, May 23 - Sun, May 24

6:00 am - 9:53 am

IAD

SDF

3h 53m

1 stop

5:35 pm - 12:27 am

SDF

IAD

6h 52m

1 stop

$209Delta

Sat, Mar 21 - Tue, Mar 24

6:00 am - 3:50 pm

DCA

SDF

9h 50m

1 stop

4:40 pm - 9:55 pm

SDF

DCA

5h 15m

1 stop

$214Southwest

Mon, Apr 6 - Wed, Apr 8

6:10 am - 6:05 pm

DCA

SDF

11h 55m

1 stop

8:55 am - 4:10 pm

SDF

DCA

7h 15m

2 stops

$220Southwest

Sat, May 16 - Wed, May 20

American Airlines flights from Washington, D.C. to Louisville

Our best American Airlines deals on Washington, D.C. to Louisville flight tickets

American Airlines

Mar 16

BWI6:37 pmBaltimore/Washington

4h 43m

1 stop

SDF11:20 pmLouisville Intl

Mar 18

SDF7:57 pmLouisville Intl

4h 01m

1 stop

BWI11:58 pmBaltimore/Washington

$187

American Airlines

Feb 26

BWI5:00 amBaltimore/Washington

6h 30m

1 stop

SDF11:30 amLouisville Intl

Mar 2

SDF6:12 pmLouisville Intl

5h 21m

1 stop

BWI11:33 pmBaltimore/Washington

$195

American Airlines

Mar 28

DCA6:49 pmWashington, D.C. Reagan-National

2h 02m

SDF8:51 pmLouisville Intl

Mar 30

SDF11:02 amLouisville Intl

1h 42m

DCA12:44 pmWashington, D.C. Reagan-National

$204

Southwest flights from Washington, D.C. to Louisville

Our best Southwest deals on Washington, D.C. to Louisville flight tickets

Southwest

Apr 6

DCA2:55 pmWashington, D.C. Reagan-National

7h 45m

2 stops

SDF10:40 pmLouisville Intl

Apr 8

SDF1:35 pmLouisville Intl

7h 15m

1 stop

DCA8:50 pmWashington, D.C. Reagan-National

$214

Southwest

May 16

DCA6:10 amWashington, D.C. Reagan-National

11h 55m

1 stop

SDF6:05 pmLouisville Intl

May 20

SDF8:55 amLouisville Intl

7h 15m

2 stops

DCA4:10 pmWashington, D.C. Reagan-National

$220

Southwest

Mar 2

DCA12:40 pmWashington, D.C. Reagan-National

8h 45m

1 stop

SDF9:25 pmLouisville Intl

Mar 5

SDF11:50 amLouisville Intl

4h 30m

1 stop

DCA4:20 pmWashington, D.C. Reagan-National

$224

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Mon 3/16

6:37 pm-11:20 pm

1 stop4h 43m

Louisville Intl

Wed 3/18

7:57 pm-11:58 pm

1 stop4h 01m

$187

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 2/26

5:00 am-11:30 am

1 stop6h 30m

Louisville Intl

Mon 3/2

6:12 pm-11:33 pm

1 stop5h 21m

$195

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 3/6

5:43 pm-7:42 pm

Nonstop1h 59m

Louisville Intl

Tue 3/10

2:35 pm-4:13 pm

Nonstop1h 38m

$198

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 5/7

9:43 pm-6:58 pm

1 stop21h 15m

Louisville Intl

Mon 5/11

7:48 pm-8:50 am

1 stop13h 02m

$198

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 4/17

12:50 pm-2:47 pm

Nonstop1h 57m

Louisville Intl

Sun 4/19

9:55 am-11:35 am

Nonstop1h 40m

$201

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 5/14

10:00 pm-11:41 am

1 stop13h 41m

Louisville Intl

Mon 5/18

12:36 pm-8:48 pm

1 stop8h 12m

$206

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 5/23

8:00 am-2:54 pm

1 stop6h 54m

Louisville Intl

Sun 5/24

6:03 am-12:59 pm

1 stop6h 56m

$209

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 3/21

6:00 am-9:53 am

1 stop3h 53m

Louisville Intl

Tue 3/24

5:35 pm-12:27 am

1 stop6h 52m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Mon 4/6

6:00 am-3:50 pm

1 stop9h 50m

Louisville Intl

Wed 4/8

4:40 pm-9:55 pm

1 stop5h 15m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 5/16

6:10 am-6:05 pm

1 stop11h 55m

Louisville Intl

Wed 5/20

8:55 am-4:10 pm

2 stops7h 15m

$220

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 Washington, D.C. 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

Other information

What is the typical price of a round-trip flight between Washington, D.C. and Louisville?

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Washington, D.C. during the month July is also very affordable. Most momondo users find prices during this month for around $268.

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

On average, the least expensive day to fly to Louisville from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $274. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Louisville on a Monday will generally be more expensive and average around $424. 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 Washington, D.C. to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $303. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $314 per ticket.

What is the cheapest Washington, D.C. to Louisville Intl flight route?

Fly from Washington, D.C. Dulles Intl to Louisville Intl for the best Washington, D.C. - Louisville Intl flight prices

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from Washington, D.C. for as low as $222 on momondo.

What cabin class options are available on Washington, D.C. to Louisville Intl flights?

There are 4 cabin classes available to choose from on Washington, D.C. 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 Washington, D.C. to Louisville flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Louisville.

How have Washington, D.C. to Louisville flight prices changed over time?

As of February 2026, prices for Washington, D.C. to Louisville flights are approximately 79% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Louisville according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Louisville (WAS to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Louisville

Best Price Found	$174
Fastest flight time	1h 39m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Washington, D.C. in the past 72 hours is $174. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $242.

The fastest flight from Washington, D.C. to Louisville takes 1h 39m

Direct flights go from Washington, D.C. to Louisville every day.

There is 1 airport in Louisville. From Washington, D.C. there are direct flights to Louisville Intl (SDF).

Search flight deals

How far is Washington, D.C. to Louisville Intl by plane?
The straight-line distance from Washington, D.C. to Louisville Intl is 472.6 mi. In terms of flight time, this usually takes a little over 1h 39m.
When did momondo last update prices for flights from Washington, D.C. to Louisville Intl Airport?
Prices for flights from Washington, D.C. to Louisville Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Louisville Intl Airport?
The number of operators available for flights from Washington, D.C. to Louisville Intl Airport is 4 as of February 2026.
How old do you have to be to fly from Washington, D.C. 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 Washington, D.C. 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 Washington, D.C. to Louisville?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Louisville is Embraer 175 (Enhanced Winglets), representing 22.66% of all bookings. The subsequent popular models are Embraer 175 at 21.66%, Canadair (Bombardier) Regional Jet 900 at 14.74%, and Canadair (Bombardier) Regional Jet 700 at 13.47%.
What is the most popular airline from Washington, D.C. to Louisville?
Based on momondo bookings for flights between Washington, D.C. and Louisville, the leading airline is American Airlines, making up 49% of the total bookings. Other popular airlines include United Airlines with 38%, Southwest with 11%, and Delta with 3%.

Best airlines flying from Washington, D.C. to Louisville

Compare and see reviews for airlines that fly from Washington, D.C. to Louisville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 8,206 reviews	Search Delta flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,308 reviews	Search United Airlines flights
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.2 11,294 reviews	Search American Airlines flights
Southwest	PriceFrom $195	Free Cancellation	Rating 8.0 4,289 reviews	Search Southwest flights

United Airlines Flights From Washington, D.C. to Louisville
United Airlines is one of the most popular airlines flying from Washington, D.C. to Louisville, operating 13 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. to Louisville starts from $189 round-trip, up to an average price of $321. Our users have rated United Airlines at 7.4/10.
American Airlines Flights From Washington, D.C. to Louisville
Across 11,294 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Washington, D.C. to Louisville about 21 times each week, with ticket deals ranging from $189 to $407. Price data is based on momondo searches in the last 72 hours.

French Lick

Elizabethtown

West Baden Springs

Bardstown

Jeffersonville

Shepherdsville

New Albany

Corydon

Elizabeth

Brandenburg

Charlestown

Springfield

Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Louisville?

It is quick and easy to find Washington, D.C. to Louisville 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 Louisville that suits you.

Can I find flights from Washington, D.C. to Louisville with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Louisville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Louisville?

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

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

If you are simply researching potential flights to Louisville, momondo offers a useful price alert feature which will track prices for flights to Louisville from Washington, D.C. and alert you when they change.

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Airports servicing Kentucky

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Cheap flights from Washington, D.C. to Louisville from $88

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Louisville departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Washington, D.C. to Louisville

Our best American Airlines deals on Washington, D.C. to Louisville flight tickets

Southwest flights from Washington, D.C. to Louisville

Our best Southwest deals on Washington, D.C. to Louisville flight tickets

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Use the filters below to find and compare flights from Washington, D.C. to Louisville that are best for you.

See travel insights to Louisville from

How to get the cheapest flight ticket from Washington, D.C. to Louisville

What is the typical price of a round-trip flight between Washington, D.C. and 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 Washington, D.C. to Louisville Intl flight route?

How far in advance should I book a flight to Louisville?

What cabin class options are available on Washington, D.C. to Louisville Intl flights?

Can stopping save me money on Washington, D.C. to Louisville flights?

How have Washington, D.C. to Louisville flight prices changed over time?

What is the cheapest airline that flies from Washington, D.C. to Louisville Intl?

What airlines fly to Louisville?

How many flights depart from Washington, D.C. to Louisville on average per day?

How many flights depart from Washington, D.C. to Louisville on average per week?

How long does it take to fly to Louisville?

When to book flights from Washington, D.C. to Louisville

Cheap Washington, D.C. to Louisville (WAS to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Louisville

Best Price Found

Fastest flight time

Direct flights

Airports in Louisville

Best airlines flying from Washington, D.C. to Louisville

Compare and see reviews for airlines that fly from Washington, D.C. to Louisville with momondo

United Airlines Flights From Washington, D.C. to Louisville

American Airlines Flights From Washington, D.C. to Louisville

Traveling to a place near Louisville?

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Louisville?

Can I find flights from Washington, D.C. to Louisville with flexible booking policies on momondo?

How can momondo help me find flights from Washington, D.C. to Louisville?

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

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

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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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