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Cheap flights from Washington, D.C. Reagan-National Airport to Louisville from $99

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 10/14. 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 (DCA-SDF)

Cheap round-trip flights

American Airlines Logo
5:10 pm - 7:05 pmDCA-SDF
1h 55mnonstop
American Airlines Logo
6:00 am - 7:45 amSDF-DCA
1h 45mnonstop
$189American Airlines
Find Deal
Tue, Sep 9 - Sat, Sep 13
American Airlines Logo
8:19 am - 10:05 amDCA-SDF
1h 46mnonstop
American Airlines Logo
6:00 am - 7:45 amSDF-DCA
1h 45mnonstop
$194American Airlines
Find Deal
Sun, Aug 31 - Mon, Sep 8
Delta Logo
8:50 am - 4:18 pmDCA-SDF
7h 28m1 stop
Delta Logo
7:50 am - 11:35 amSDF-DCA
3h 45m1 stop
$197Delta
Find Deal
Tue, Sep 16 - Tue, Sep 23
Southwest Logo
6:10 am - 12:05 pmDCA-SDF
5h 55m1 stop
Southwest Logo
6:25 am - 10:00 amSDF-DCA
3h 35m1 stop
$198Southwest
Find Deal
Sun, Oct 5 - Wed, Oct 8
American Airlines Logo
8:29 am - 10:41 amDCA-SDF
2h 12mnonstop
American Airlines Logo
6:00 am - 7:45 amSDF-DCA
1h 45mnonstop
$199American Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Southwest Logo
8:00 am - 3:15 pmDCA-SDF
7h 15m2 stops
Southwest Logo
7:15 am - 12:55 pmSDF-DCA
5h 40m1 stop
$202Southwest
Find Deal
Tue, Sep 16 - Wed, Sep 17
Delta Logo
11:00 am - 3:44 pmDCA-SDF
4h 44m1 stop
Delta Logo
12:48 pm - 6:45 pmSDF-DCA
5h 57m1 stop
$203Delta
Find Deal
Tue, Sep 9 - Sat, Sep 13
Southwest Logo
6:00 am - 3:05 pmDCA-SDF
9h 05m1 stop
Southwest Logo
6:25 am - 10:00 amSDF-DCA
3h 35m1 stop
$204Southwest
Find Deal
Sat, Oct 11 - Tue, Oct 14
Delta Logo
6:30 pm - 10:44 pmDCA-SDF
4h 14m1 stop
Delta Logo
7:33 pm - 11:42 pmSDF-DCA
4h 09m1 stop
$209Delta
Find Deal
Sat, Sep 20 - Sun, Sep 21
American Airlines Logo
8:32 am - 10:43 amDCA-SDF
2h 11mnonstop
American Airlines Logo
6:09 am - 7:49 amSDF-DCA
1h 40mnonstop
$219American Airlines
Find Deal
Wed, Oct 8 - Sun, Oct 12

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
Sep 16
DCA8:50 amWashington, D.C. Reagan-National
7h 28m
1 stop
SDF4:18 pmLouisville Intl
Sep 23
SDF7:50 amLouisville Intl
3h 45m
1 stop
DCA11:35 amWashington, D.C. Reagan-National
$197
Find similar
Delta
Sep 9
DCA11:00 amWashington, D.C. Reagan-National
4h 44m
1 stop
SDF3:44 pmLouisville Intl
Sep 13
SDF12:48 pmLouisville Intl
5h 57m
1 stop
DCA6:45 pmWashington, D.C. Reagan-National
$203
Find similar
Delta
Sep 20
DCA6:30 pmWashington, D.C. Reagan-National
4h 14m
1 stop
SDF10:44 pmLouisville Intl
Sep 21
SDF7:33 pmLouisville Intl
4h 09m
1 stop
DCA11:42 pmWashington, D.C. Reagan-National
$209
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
Sep 9
DCA5:10 pmWashington, D.C. Reagan-National
1h 55m
SDF7:05 pmLouisville Intl
Sep 13
SDF6:00 amLouisville Intl
1h 45m
DCA7:45 amWashington, D.C. Reagan-National
$189
Find similar
American Airlines
Aug 31
DCA8:19 amWashington, D.C. Reagan-National
1h 46m
SDF10:05 amLouisville Intl
Sep 8
SDF6:00 amLouisville Intl
1h 45m
DCA7:45 amWashington, D.C. Reagan-National
$194
Find similar
American Airlines
Sep 4
DCA8:29 amWashington, D.C. Reagan-National
2h 12m
SDF10:41 amLouisville Intl
Sep 7
SDF6:00 amLouisville Intl
1h 45m
DCA7:45 amWashington, D.C. Reagan-National
$199
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 August 18, 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

Tue 9/9

5:10 pm-7:05 pm

Nonstop1h 55m

Louisville Intl

Sat 9/13

6:00 am-7:45 am

Nonstop1h 45m

$189

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sun 8/31

8:19 am-10:05 am

Nonstop1h 46m

Louisville Intl

Mon 9/8

6:00 am-7:45 am

Nonstop1h 45m

$194

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 9/16

8:50 am-4:18 pm

1 stop7h 28m

Louisville Intl

Tue 9/23

7:50 am-11:35 am

1 stop3h 45m

$197

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sun 10/5

6:10 am-12:05 pm

1 stop5h 55m

Louisville Intl

Wed 10/8

6:25 am-10:00 am

1 stop3h 35m

$198

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Thu 9/4

8:29 am-10:41 am

Nonstop2h 12m

Louisville Intl

Sun 9/7

6:00 am-7:45 am

Nonstop1h 45m

$199

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 9/16

8:00 am-3:15 pm

2 stops7h 15m

Louisville Intl

Wed 9/17

7:15 am-12:55 pm

1 stop5h 40m

$202

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 9/9

11:00 am-3:44 pm

1 stop4h 44m

Louisville Intl

Sat 9/13

12:48 pm-6:45 pm

1 stop5h 57m

$203

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 10/11

6:00 am-3:05 pm

1 stop9h 05m

Louisville Intl

Tue 10/14

6:25 am-10:00 am

1 stop3h 35m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 9/20

6:30 pm-10:44 pm

1 stop4h 14m

Louisville Intl

Sun 9/21

7:33 pm-11:42 pm

1 stop4h 09m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 10/8

8:32 am-10:43 am

Nonstop2h 11m

Louisville Intl

Sun 10/12

6:09 am-7:49 am

Nonstop1h 40m

$219

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 January is also very affordable. Most momondo users find prices during this month for around $269.

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 $271. 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 $297. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $352 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 $306 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 $212 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 August 2025, prices for Washington, D.C. Reagan-National Airport to Louisville flights are approximately 2% cheaper 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

$99

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 $99. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Louisville found on momondo in the last 72 hours is $189.
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
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
8,925 reviews
Search United 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 $311, 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 10,000 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
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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