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Cheap flights from Washington, D.C. Reagan-National Airport to Louisville from $105

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. Reagan-National Airport to Louisville departing on 3/16. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:08 pm - 4:06 pm
DCA
-
SDF
1h 58mnonstop
American Airlines Logo
6:00 am - 7:42 am
SDF
-
DCA
1h 42mnonstop
$189American Airlines
Sat, Mar 7 - Fri, Mar 13
American Airlines Logo
8:40 am - 10:42 am
DCA
-
SDF
2h 02mnonstop
American Airlines Logo
6:00 am - 7:42 am
SDF
-
DCA
1h 42mnonstop
$192American Airlines
Thu, Feb 19 - Sun, Feb 22
American Airlines Logo
1:59 pm - 4:02 pm
DCA
-
SDF
2h 03mnonstop
American Airlines Logo
6:00 am - 7:42 am
SDF
-
DCA
1h 42mnonstop
$204American Airlines
Wed, Feb 11 - Wed, Mar 4
Southwest Logo
6:10 am - 2:00 pm
DCA
-
SDF
7h 50m
1 stop
Southwest Logo
12:15 pm - 5:55 pm
SDF
-
DCA
5h 40m
1 stop
$209Southwest
Thu, May 7 - Mon, May 11
Southwest Logo
6:00 am - 12:15 pm
DCA
-
SDF
6h 15m
1 stop
Southwest Logo
6:45 am - 4:00 pm
SDF
-
DCA
9h 15m
2 stops
$214Southwest
Wed, Feb 18 - Wed, Feb 25
Southwest Logo
1:00 pm - 10:10 pm
DCA
-
SDF
9h 10m
2 stops
Southwest Logo
11:50 am - 10:55 pm
SDF
-
DCA
11h 05m
2 stops
$219Southwest
Wed, Feb 18 - Tue, Feb 24
Delta Logo
1:45 pm - 9:05 pm
DCA
-
SDF
7h 20m
1 stop
Delta Logo
5:00 pm - 10:57 pm
SDF
-
DCA
5h 57m
1 stop
$224Delta
Wed, Feb 11 - Sat, Feb 28
American Airlines Logo
8:40 am - 10:42 am
DCA
-
SDF
2h 02mnonstop
American Airlines Logo
1:30 pm - 6:48 pm
SDF
-
DCA
5h 18m
1 stop
$234American Airlines
Wed, Feb 18 - Wed, Feb 25
American Airlines Logo
7:41 am - 9:45 am
DCA
-
SDF
2h 04mnonstop
American Airlines Logo
8:15 pm - 11:50 pm
SDF
-
DCA
3h 35m
1 stop
$237American Airlines
Sun, May 24 - Sat, May 30
Delta Logo
6:05 am - 10:04 am
DCA
-
SDF
3h 59m
1 stop
Delta Logo
7:50 am - 12:02 pm
SDF
-
DCA
4h 12m
1 stop
$239Delta
Fri, Feb 13 - Sat, Feb 14

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

Our best Delta deals on Washington, D.C. Reagan-National Airport to Louisville flight tickets
Delta
Feb 11
DCA10:15 amWashington, D.C. Reagan-National
4h 21m
1 stop
SDF2:36 pmLouisville Intl
Mar 4
SDF12:12 pmLouisville Intl
6h 17m
1 stop
DCA6:29 pmWashington, D.C. Reagan-National
$224
Delta
Feb 13
DCA11:00 amWashington, D.C. Reagan-National
5h 19m
1 stop
SDF4:19 pmLouisville Intl
Feb 16
SDF5:02 pmLouisville Intl
6h 05m
1 stop
DCA11:07 pmWashington, D.C. Reagan-National
$239
Delta
Apr 24
DCA6:05 amWashington, D.C. Reagan-National
7h 26m
1 stop
SDF1:31 pmLouisville Intl
Apr 27
SDF2:16 pmLouisville Intl
4h 36m
1 stop
DCA6:52 pmWashington, D.C. Reagan-National
$262

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
Feb 18
DCA6:00 amWashington, D.C. Reagan-National
6h 15m
1 stop
SDF12:15 pmLouisville Intl
Feb 25
SDF6:30 pmLouisville Intl
4h 50m
1 stop
DCA11:20 pmWashington, D.C. Reagan-National
$209
Southwest
Feb 18
DCA6:00 amWashington, D.C. Reagan-National
6h 15m
1 stop
SDF12:15 pmLouisville Intl
Feb 25
SDF6:45 amLouisville Intl
9h 15m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
$214
Southwest
Feb 18
DCA1:00 pmWashington, D.C. Reagan-National
9h 10m
2 stops
SDF10:10 pmLouisville Intl
Feb 25
SDF6:45 amLouisville Intl
9h 15m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
$219

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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 January 29, 2026.
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

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 3/7

2:08 pm-4:06 pm

Nonstop1h 58m

Louisville Intl

Fri 3/13

6:00 am-7:42 am

Nonstop1h 42m

$189

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 2/19

8:40 am-10:42 am

Nonstop2h 02m

Louisville Intl

Sun 2/22

6:00 am-7:42 am

Nonstop1h 42m

$192

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 2/11

1:59 pm-4:02 pm

Nonstop2h 03m

Louisville Intl

Wed 3/4

6:00 am-7:42 am

Nonstop1h 42m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 5/7

6:10 am-2:00 pm

1 stop7h 50m

Louisville Intl

Mon 5/11

12:15 pm-5:55 pm

1 stop5h 40m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 2/18

6:00 am-12:15 pm

1 stop6h 15m

Louisville Intl

Wed 2/25

6:45 am-4:00 pm

2 stops9h 15m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 2/18

1:00 pm-10:10 pm

2 stops9h 10m

Louisville Intl

Tue 2/24

11:50 am-10:55 pm

2 stops11h 05m

$219

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 2/11

1:45 pm-9:05 pm

1 stop7h 20m

Louisville Intl

Sat 2/28

5:00 pm-10:57 pm

1 stop5h 57m

$224

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 2/18

8:40 am-10:42 am

Nonstop2h 02m

Louisville Intl

Wed 2/25

1:30 pm-6:48 pm

1 stop5h 18m

$234

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sun 5/24

7:41 am-9:45 am

Nonstop2h 04m

Louisville Intl

Sat 5/30

8:15 pm-11:50 pm

1 stop3h 35m

$237

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 2/13

6:05 am-10:04 am

1 stop3h 59m

Louisville Intl

Sat 2/14

7:50 am-12:02 pm

1 stop4h 12m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Louisville from

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

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 February is also very affordable. Most momondo users find prices during this month for around $239.

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 Sunday will generally be more expensive and average around $402. 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 at noon. Our users have found flights to Louisville at noon 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 $310 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 $295 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 $243 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 49% 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 January 2026, prices for Washington, D.C. Reagan-National Airport to Louisville flights are approximately 43% 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

$293

Fastest flight time

1h 55m

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 $293. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Louisville found on momondo in the last 72 hours is $234.
The fastest flight from Washington, D.C. Reagan-National Airport to Louisville takes 1h 55m
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 55m, 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?

  • 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?

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $98Free CancellationRating
7.9
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights

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

    American Airlines operates around 20 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 $290, 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 7.2/10 in 11,205 reviews.

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
Brandenburg
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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