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Cheap flights from Washington, D.C. Reagan-National Airport to Louisville from $73

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 12/16. 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.
Delta Logo
6:00 am - 9:50 amDCA-SDF
3h 50m1 stop
Delta Logo
5:25 pm - 10:54 pmSDF-DCA
5h 29m1 stop
$219Delta
Find Deal
Thu, Nov 6 - Mon, Nov 10
American Airlines Logo
7:45 pm - 9:33 pmDCA-SDF
1h 48mnonstop
American Airlines Logo
6:03 am - 7:42 amSDF-DCA
1h 39mnonstop
$221American Airlines
Find Deal
Tue, Dec 30 - Sun, Jan 4
Southwest Logo
6:55 pm - 11:05 pmDCA-SDF
4h 10m1 stop
Southwest Logo
6:35 am - 12:00 pmSDF-DCA
5h 25m1 stop
$224Southwest
Find Deal
Fri, Dec 5 - Sun, Dec 7
American Airlines Logo
11:55 am - 5:51 pmDCA-SDF
5h 56m1 stop
American Airlines Logo
5:28 pm - 7:14 pmSDF-DCA
1h 46mnonstop
$225American Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 6
American Airlines Logo
7:50 pm - 12:16 amDCA-SDF
4h 26m1 stop
American Airlines Logo
5:25 pm - 6:59 pmSDF-DCA
1h 34mnonstop
$226American Airlines
Find Deal
Thu, Dec 18 - Sat, Jan 10
American Airlines Logo
7:44 pm - 9:29 pmDCA-SDF
1h 45mnonstop
American Airlines Logo
5:20 pm - 9:00 pmSDF-DCA
3h 40m1 stop
$227American Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
American Airlines Logo
2:36 pm - 4:29 pmDCA-SDF
1h 53mnonstop
American Airlines Logo
11:57 am - 3:56 pmSDF-DCA
3h 59m1 stop
$228American Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Southwest Logo
1:15 pm - 5:10 pmDCA-SDF
3h 55m1 stop
Southwest Logo
6:35 am - 1:05 pmSDF-DCA
6h 30m2 stops
$229Southwest
Find Deal
Fri, Dec 5 - Sun, Dec 7
Southwest Logo
7:30 am - 1:20 pmDCA-SDF
5h 50m1 stop
Southwest Logo
4:05 pm - 8:15 pmSDF-DCA
4h 10m1 stop
$230Southwest
Find Deal
Thu, Dec 18 - Sat, Jan 10
Delta Logo
7:36 pm - 11:59 pmDCA-SDF
4h 23m1 stop
Delta Logo
6:16 pm - 11:08 pmSDF-DCA
4h 52m1 stop
$250Delta
Find Deal
Fri, Dec 5 - Sun, Dec 7

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
Dec 5
DCA6:55 pmWashington, D.C. Reagan-National
4h 10m
1 stop
SDF11:05 pmLouisville Intl
Dec 7
SDF6:35 amLouisville Intl
5h 25m
1 stop
DCA12:00 pmWashington, D.C. Reagan-National
$224
Find similar
Southwest
Dec 5
DCA1:15 pmWashington, D.C. Reagan-National
3h 55m
1 stop
SDF5:10 pmLouisville Intl
Dec 7
SDF6:35 amLouisville Intl
6h 30m
2 stops
DCA1:05 pmWashington, D.C. Reagan-National
$229
Find similar
Southwest
Dec 18
DCA7:30 amWashington, D.C. Reagan-National
5h 50m
1 stop
SDF1:20 pmLouisville Intl
Jan 10
SDF4:05 pmLouisville Intl
4h 10m
1 stop
DCA8:15 pmWashington, D.C. Reagan-National
$230
Find similar

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
Dec 30
DCA7:45 pmWashington, D.C. Reagan-National
1h 48m
SDF9:33 pmLouisville Intl
Jan 4
SDF6:03 amLouisville Intl
1h 39m
DCA7:42 amWashington, D.C. Reagan-National
$221
Find similar
American Airlines
Dec 4
DCA11:55 amWashington, D.C. Reagan-National
5h 56m
1 stop
SDF5:51 pmLouisville Intl
Dec 6
SDF5:28 pmLouisville Intl
1h 46m
DCA7:14 pmWashington, D.C. Reagan-National
$225
Find similar
American Airlines
Dec 18
DCA7:50 pmWashington, D.C. Reagan-National
4h 26m
1 stop
SDF12:16 amLouisville Intl
Jan 10
SDF5:25 pmLouisville Intl
1h 34m
DCA6:59 pmWashington, D.C. Reagan-National
$226
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 October 23, 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 11/6

6:00 am-9:50 am

1 stop3h 50m

Louisville Intl

Mon 11/10

5:25 pm-10:54 pm

1 stop5h 29m

$219

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 12/30

7:45 pm-9:33 pm

Nonstop1h 48m

Louisville Intl

Sun 1/4

6:03 am-7:42 am

Nonstop1h 39m

$221

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 12/5

6:55 pm-11:05 pm

1 stop4h 10m

Louisville Intl

Sun 12/7

6:35 am-12:00 pm

1 stop5h 25m

$224

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 12/4

11:55 am-5:51 pm

1 stop5h 56m

Louisville Intl

Sat 12/6

5:28 pm-7:14 pm

Nonstop1h 46m

$225

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 12/18

7:50 pm-12:16 am

1 stop4h 26m

Louisville Intl

Sat 1/10

5:25 pm-6:59 pm

Nonstop1h 34m

$226

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 11/15

7:44 pm-9:29 pm

Nonstop1h 45m

Louisville Intl

Sat 11/22

5:20 pm-9:00 pm

1 stop3h 40m

$227

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 11/12

2:36 pm-4:29 pm

Nonstop1h 53m

Louisville Intl

Sat 11/15

11:57 am-3:56 pm

1 stop3h 59m

$228

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 12/5

1:15 pm-5:10 pm

1 stop3h 55m

Louisville Intl

Sun 12/7

6:35 am-1:05 pm

2 stops6h 30m

$229

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 12/18

7:30 am-1:20 pm

1 stop5h 50m

Louisville Intl

Sat 1/10

4:05 pm-8:15 pm

1 stop4h 10m

$230

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 12/5

7:36 pm-11:59 pm

1 stop4h 23m

Louisville Intl

Sun 12/7

6:16 pm-11:08 pm

1 stop4h 52m

$250

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 February, then departing from Washington, D.C. Reagan-National Airport during the month August is also very affordable. Most momondo users find prices during this month for around $236.

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 $385. 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 $294. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $342 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 $299 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 $218 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.

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

As of October 2025, prices for Washington, D.C. Reagan-National Airport to Louisville flights are approximately 154% 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

$213

Fastest flight time

1h 45m

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 $213. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Louisville found on momondo in the last 72 hours is $275.
The fastest flight from Washington, D.C. Reagan-National Airport to Louisville takes 1h 45m
Direct flights go from Washington, D.C. Reagan-National Airport to Louisville every day.
There is 1 airport near Louisville: 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 45m, 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
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
7,982 reviews
Search Delta flights

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

    American Airlines operates around 14 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 $293, 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 11,033 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
Springfield
Georgetown
Brandenburg

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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