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

Southwest is the most popular carrier operating from Washington, D.C. Reagan-National to Louisville Intl

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

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

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

As of March 2026, there are 2 operators available to choose from for flights from Washington, D.C. Reagan-National 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.

$114 Cheap Flights from Washington, D.C. Reagan-National Airport to Louisville in 2026

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Louisville on average per week?

16 flights are operational weekly from Washington, D.C. Reagan-National Airport to Louisville as of March 2026. The most popular departure day for this route is Sat, with 25% of flights per week taking off on this day.

Q: How many flights depart from Washington, D.C. Reagan-National Airport to Louisville on average per day?

The number of flights available between Washington, D.C. Reagan-National Airport and Louisville is 2 per day as of March 2026. The most frequent departure time is 8:00AM, with 50% of daily flights leaving in the evening.

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 am - 10:32 am

DCA

SDF

2h 02mnonstop

6:00 am - 7:42 am

SDF

DCA

1h 42mnonstop

$224American Airlines

Tue, Mar 24 - Mon, Mar 30

3:40 pm - 8:35 pm

DCA

SDF

4h 55m

1 stop

10:30 am - 5:00 pm

SDF

DCA

6h 30m

1 stop

$227Southwest

Tue, Apr 7 - Tue, Apr 14

9:55 am - 3:05 pm

DCA

SDF

5h 10m

1 stop

5:25 pm - 11:50 pm

SDF

DCA

6h 25m

1 stop

$228Southwest

Wed, Apr 8 - Mon, Apr 13

9:05 am - 2:45 pm

DCA

SDF

5h 40m

1 stop

10:30 am - 5:00 pm

SDF

DCA

6h 30m

1 stop

$229Southwest

Wed, Apr 8 - Wed, Apr 15

9:05 am - 2:45 pm

DCA

SDF

5h 40m

1 stop

4:40 pm - 11:00 pm

SDF

DCA

6h 20m

2 stops

$232Southwest

Wed, Apr 8 - Tue, Apr 14

8:00 am - 3:05 pm

DCA

SDF

7h 05m

2 stops

5:25 pm - 11:50 pm

SDF

DCA

6h 25m

1 stop

$233Southwest

Wed, Apr 8 - Mon, Apr 13

6:59 am - 12:49 pm

DCA

SDF

5h 50m

1 stop

4:50 pm - 6:34 pm

SDF

DCA

1h 44mnonstop

$234American Airlines

Tue, Mar 24 - Mon, Mar 30

7:25 am - 2:45 pm

DCA

SDF

7h 20m

2 stops

4:40 pm - 11:00 pm

SDF

DCA

6h 20m

2 stops

$237Southwest

Tue, Apr 7 - Tue, Apr 14

7:25 am - 2:45 pm

DCA

SDF

7h 20m

2 stops

2:40 pm - 10:40 pm

SDF

DCA

8h 00m

2 stops

$238Southwest

Wed, Apr 8 - Mon, Apr 13

7:25 am - 2:45 pm

DCA

SDF

7h 20m

2 stops

3:30 pm - 9:55 pm

SDF

DCA

6h 25m

2 stops

$239Southwest

Wed, Apr 8 - Wed, Apr 15

American Airlines flights from Washington, D.C. Reagan-National Airport to Louisville

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Louisville flight tickets

American Airlines

Mar 24

DCA8:30 amWashington, D.C. Reagan-National

2h 02m

SDF10:32 amLouisville Intl

Mar 30

SDF6:00 amLouisville Intl

1h 42m

DCA7:42 amWashington, D.C. Reagan-National

$224

American Airlines

Mar 24

DCA6:59 amWashington, D.C. Reagan-National

5h 50m

1 stop

SDF12:49 pmLouisville Intl

Mar 30

SDF4:50 pmLouisville Intl

1h 44m

DCA6:34 pmWashington, D.C. Reagan-National

$234

American Airlines

Apr 8

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

2h 00m

SDF9:38 amLouisville Intl

Apr 15

SDF4:30 pmLouisville Intl

5h 45m

1 stop

DCA10:15 pmWashington, D.C. Reagan-National

$242

Southwest flights from Washington, D.C. Reagan-National Airport to Louisville

Our best Southwest deals on Washington, D.C. Reagan-National Airport to Louisville flight tickets

Southwest

Apr 7

DCA3:40 pmWashington, D.C. Reagan-National

4h 55m

1 stop

SDF8:35 pmLouisville Intl

Apr 14

SDF10:30 amLouisville Intl

6h 30m

1 stop

DCA5:00 pmWashington, D.C. Reagan-National

$227

Southwest

Apr 8

DCA9:55 amWashington, D.C. Reagan-National

5h 10m

1 stop

SDF3:05 pmLouisville Intl

Apr 13

SDF5:25 pmLouisville Intl

6h 25m

1 stop

DCA11:50 pmWashington, D.C. Reagan-National

$228

Southwest

Apr 8

DCA9:05 amWashington, D.C. Reagan-National

5h 40m

1 stop

SDF2:45 pmLouisville Intl

Apr 15

SDF10:30 amLouisville Intl

6h 30m

1 stop

DCA5:00 pmWashington, D.C. Reagan-National

$229

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 3/24

8:30 am-10:32 am

Nonstop2h 02m

Louisville Intl

Mon 3/30

6:00 am-7:42 am

Nonstop1h 42m

$224

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 4/7

3:40 pm-8:35 pm

1 stop4h 55m

Louisville Intl

Tue 4/14

10:30 am-5:00 pm

1 stop6h 30m

$227

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

9:55 am-3:05 pm

1 stop5h 10m

Louisville Intl

Mon 4/13

5:25 pm-11:50 pm

1 stop6h 25m

$228

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

9:05 am-2:45 pm

1 stop5h 40m

Louisville Intl

Wed 4/15

10:30 am-5:00 pm

1 stop6h 30m

$229

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

9:05 am-2:45 pm

1 stop5h 40m

Louisville Intl

Tue 4/14

4:40 pm-11:00 pm

2 stops6h 20m

$232

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

8:00 am-3:05 pm

2 stops7h 05m

Louisville Intl

Mon 4/13

5:25 pm-11:50 pm

1 stop6h 25m

$233

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 3/24

6:59 am-12:49 pm

1 stop5h 50m

Louisville Intl

Mon 3/30

4:50 pm-6:34 pm

Nonstop1h 44m

$234

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 4/7

7:25 am-2:45 pm

2 stops7h 20m

Louisville Intl

Tue 4/14

4:40 pm-11:00 pm

2 stops6h 20m

$237

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

7:25 am-2:45 pm

2 stops7h 20m

Louisville Intl

Mon 4/13

2:40 pm-10:40 pm

2 stops8h 00m

$238

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 4/8

7:25 am-2:45 pm

2 stops7h 20m

Louisville Intl

Wed 4/15

3:30 pm-9:55 pm

2 stops6h 25m

$239

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. Reagan-National Airport 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 cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of August, then departing from Washington, D.C. Reagan-National Airport during the month January is also very affordable. Most momondo users find prices during this month for around $249.

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. Reagan-National Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $276. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. Reagan-National Airport to Louisville on a Monday will generally be more expensive and average around $437. 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. Reagan-National Airport 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 $304. In the evening is when there is more demand to fly to Louisville, so prices are often more expensive at around $319 per ticket.

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

Fly from Washington, D.C. Reagan-National to Louisville Intl for the best Washington, D.C. Reagan-National - 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. Reagan-National Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $303 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. Reagan-National Airport for as low as $250 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National Airport to Louisville flights?

You could potentially save up to 24% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Louisville flight.

How have Washington, D.C. Reagan-National Airport to Louisville flight prices changed over time?

As of March 2026, prices for Washington, D.C. Reagan-National Airport to Louisville flights are approximately 73% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Louisville (DCA to SDF) flight deals and tips

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

Best Price Found	$243
Fastest flight time	1h 56m
Direct flights	Every day
Airports in Louisville	1 airport

The best one-way flight to Louisville from Washington, D.C. Reagan-National Airport in the past 72 hours is $243. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Louisville found on momondo in the last 72 hours is $278.

The fastest flight from Washington, D.C. Reagan-National Airport to Louisville takes 1h 56m

Direct flights go from Washington, D.C. Reagan-National Airport to Louisville every day.

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

Search flight deals

How far is Washington, D.C. Reagan-National to Louisville Intl by plane?
Louisville Intl is 472.4 mi away from Washington, D.C. Reagan-National. Flights usually cover this in 1h 56m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Louisville Intl Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Louisville Intl Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Louisville Intl Airport?
As of March 2026, there are 2 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Louisville Intl Airport.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Louisville Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National 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.
What is the most popular plane model from Washington, D.C. Reagan-National Airport to Louisville?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Reagan-National Airport to Louisville is Embraer 175 (26.56% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (20.03%), Embraer 175 (Enhanced Winglets) (19.32%), and Canadair (Bombardier) Regional Jet 700 (13.35%).
What is the most popular airline from Washington, D.C. Reagan-National Airport to Louisville?
Based on momondo bookings for flights between Washington, D.C. Reagan-National Airport and Louisville, the leading airline is American Airlines, making up 94% of the total bookings. Other popular airlines include Delta with 6%.

Best airlines flying from Washington, D.C. Reagan-National Airport to Louisville

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $189	Free Cancellation	Rating 7.1 11,464 reviews		Search American Airlines flights
Delta	PriceFrom $198	Free Cancellation	Rating 7.9 8,291 reviews		Search Delta flights

American Airlines Flights From Washington, D.C. Reagan-National Airport to Louisville
American Airlines operates around 15 flights from Washington, D.C. Reagan-National Airport to Louisville every week. The average price of these flights found in the last 72 hours has been $300, but momondo users have found American Airlines deals from Washington, D.C. Reagan-National Airport to Louisville from as low as $189 round-trip. American Airlines has been scored 7.1/10 in 11,472 reviews.

French Lick

Elizabethtown

Bardstown

West Baden Springs

Jeffersonville

New Albany

Shepherdsville

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?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Louisville. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Louisville from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. 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 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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Cheap flights from Washington, D.C. Reagan-National Airport to Louisville from $115

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American Airlines flights from Washington, D.C. Reagan-National Airport to Louisville

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Louisville flight tickets

Southwest flights from Washington, D.C. Reagan-National Airport to Louisville

Our best Southwest deals on Washington, D.C. Reagan-National Airport to Louisville flight tickets

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

See travel insights to Louisville from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 Washington, D.C. Reagan-National 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. Reagan-National to Louisville Intl flights?

Can stopping save me money on Washington, D.C. Reagan-National Airport to Louisville flights?

How have Washington, D.C. Reagan-National Airport to Louisville flight prices changed over time?

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

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

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

When to book flights from Washington, D.C. Reagan-National Airport to Louisville

Cheap Washington, D.C. Reagan-National Airport to Louisville (DCA to SDF) flight deals and tips

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

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Airports in Louisville

Best airlines flying from Washington, D.C. Reagan-National Airport to Louisville

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

American Airlines Flights From Washington, D.C. Reagan-National Airport to Louisville

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An easier way to manage your Louisville trip

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