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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 1/13. 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
8:39 am - 10:41 am
DCA
-
SDF
2h 02mnonstop
American Airlines Logo
4:32 pm - 6:16 pm
SDF
-
DCA
1h 44mnonstop
$204American Airlines
Thu, Apr 2 - Mon, Apr 6
Delta Logo
7:00 am - 1:52 pm
DCA
-
SDF
6h 52m1 stop
Delta Logo
5:00 pm - 11:07 pm
SDF
-
DCA
6h 07m1 stop
$209Delta
Sat, Feb 21 - Mon, Feb 23
Southwest Logo
1:00 pm - 5:00 pm
DCA
-
SDF
4h 00m1 stop
Southwest Logo
6:45 am - 4:00 pm
SDF
-
DCA
9h 15m2 stops
$214Southwest
Tue, Jan 13 - Wed, Jan 14
American Airlines Logo
5:30 pm - 7:26 pm
DCA
-
SDF
1h 56mnonstop
American Airlines Logo
6:03 am - 7:42 am
SDF
-
DCA
1h 39mnonstop
$219American Airlines
Wed, Dec 31 - Sat, Jan 3
American Airlines Logo
7:59 pm - 10:05 pm
DCA
-
SDF
2h 06mnonstop
American Airlines Logo
8:07 am - 2:24 pm
SDF
-
DCA
6h 17m1 stop
$221American Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
6:00 am - 11:03 am
DCA
-
SDF
5h 03m1 stop
American Airlines Logo
5:11 pm - 6:58 pm
SDF
-
DCA
1h 47mnonstop
$227American Airlines
Sat, Feb 21 - Mon, Feb 23
American Airlines Logo
7:59 pm - 10:05 pm
DCA
-
SDF
2h 06mnonstop
American Airlines Logo
6:00 am - 7:57 am
SDF
-
DCA
1h 57mnonstop
$232American Airlines
Fri, Jan 16 - Sun, Jan 18
American Airlines Logo
8:20 am - 12:25 pm
DCA
-
SDF
4h 05m1 stop
American Airlines Logo
6:00 am - 7:57 am
SDF
-
DCA
1h 57mnonstop
$234American Airlines
Thu, Jan 8 - Sun, Jan 11
American Airlines Logo
5:30 pm - 10:14 pm
DCA
-
SDF
4h 44m1 stop
American Airlines Logo
6:03 am - 7:42 am
SDF
-
DCA
1h 39mnonstop
$242American Airlines
Wed, Dec 31 - Sat, Jan 3
Southwest Logo
6:05 am - 12:15 pm
DCA
-
SDF
6h 10m1 stop
Southwest Logo
5:45 pm - 10:55 pm
SDF
-
DCA
5h 10m1 stop
$244Southwest
Wed, Jan 7 - Thu, Jan 8

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 21
DCA7:00 amWashington, D.C. Reagan-National
6h 52m
1 stop
SDF1:52 pmLouisville Intl
Feb 23
SDF5:00 pmLouisville Intl
6h 07m
1 stop
DCA11:07 pmWashington, D.C. Reagan-National
$209
Find similar
Delta
Dec 29
DCA5:35 pmWashington, D.C. Reagan-National
5h 23m
1 stop
SDF10:58 pmLouisville Intl
Jan 2
SDF6:51 pmLouisville Intl
4h 05m
1 stop
DCA10:56 pmWashington, D.C. Reagan-National
$279
Find similar
Delta
Dec 18
DCA6:02 amWashington, D.C. Reagan-National
4h 02m
1 stop
SDF10:04 amLouisville Intl
Jan 10
SDF3:37 pmLouisville Intl
5h 57m
1 stop
DCA9:34 pmWashington, D.C. Reagan-National
$294
Find similar

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
Jan 13
DCA1:00 pmWashington, D.C. Reagan-National
4h 00m
1 stop
SDF5:00 pmLouisville Intl
Jan 14
SDF6:45 amLouisville Intl
9h 15m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
$214
Find similar
Southwest
Jan 7
DCA6:05 amWashington, D.C. Reagan-National
6h 10m
1 stop
SDF12:15 pmLouisville Intl
Jan 8
SDF5:45 pmLouisville Intl
5h 10m
1 stop
DCA10:55 pmWashington, D.C. Reagan-National
$244
Find similar
Southwest
Jan 7
DCA1:00 pmWashington, D.C. Reagan-National
9h 10m
2 stops
SDF10:10 pmLouisville Intl
Jan 8
SDF6:45 amLouisville Intl
9h 15m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
$254
Find similar

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 December 16, 2025.
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

Thu 4/2

8:39 am-10:41 am

Nonstop2h 02m

Louisville Intl

Mon 4/6

4:32 pm-6:16 pm

Nonstop1h 44m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 2/21

7:00 am-1:52 pm

1 stop6h 52m

Louisville Intl

Mon 2/23

5:00 pm-11:07 pm

1 stop6h 07m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 1/13

1:00 pm-5:00 pm

1 stop4h 00m

Louisville Intl

Wed 1/14

6:45 am-4:00 pm

2 stops9h 15m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 12/31

5:30 pm-7:26 pm

Nonstop1h 56m

Louisville Intl

Sat 1/3

6:03 am-7:42 am

Nonstop1h 39m

$219

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 1/14

7:59 pm-10:05 pm

Nonstop2h 06m

Louisville Intl

Wed 1/21

8:07 am-2:24 pm

1 stop6h 17m

$221

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 2/21

6:00 am-11:03 am

1 stop5h 03m

Louisville Intl

Mon 2/23

5:11 pm-6:58 pm

Nonstop1h 47m

$227

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 1/16

7:59 pm-10:05 pm

Nonstop2h 06m

Louisville Intl

Sun 1/18

6:00 am-7:57 am

Nonstop1h 57m

$232

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 1/8

8:20 am-12:25 pm

1 stop4h 05m

Louisville Intl

Sun 1/11

6:00 am-7:57 am

Nonstop1h 57m

$234

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 12/31

5:30 pm-10:14 pm

1 stop4h 44m

Louisville Intl

Sat 1/3

6:03 am-7:42 am

Nonstop1h 39m

$242

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 1/7

6:05 am-12:15 pm

1 stop6h 10m

Louisville Intl

Thu 1/8

5:45 pm-10:55 pm

1 stop5h 10m

$244

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 $224.

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 $255. 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 $366. 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 evening. Our users have found flights to Louisville in the evening for as low as $298. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $330 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 $296 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 $209 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 58% 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 December 2025, prices for Washington, D.C. Reagan-National Airport to Louisville flights are approximately 69% 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

$268

Fastest flight time

1h 48m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

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 $268. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Louisville found on momondo in the last 72 hours is $252.
The fastest flight from Washington, D.C. Reagan-National Airport to Louisville takes 1h 48m
Direct flights go from Washington, D.C. Reagan-National Airport to Louisville on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is American Airlines.
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 48m, 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
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,010 reviews
Search Delta flights

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

    American Airlines operates around 9 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 11,048 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
Elizabeth
Corydon
Charlestown
Springfield
Brandenburg
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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