Cheap flights from Washington, D.C. to Louisville from $83

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. to Louisville departing on 1/21. 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. to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:42 am - 11:45 pmBWI-SDF
15h 03m1 stop
Multiple Airlines Logo
6:00 am - 8:16 pmSDF-BWI
14h 16m1 stop
$195Multiple Airlines
Find Deal
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
9:36 pm - 6:16 pmBWI-SDF
20h 40m1 stop
Multiple Airlines Logo
7:46 pm - 3:47 pmSDF-BWI
20h 01m1 stop
$197Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 17
American Airlines Logo
7:45 pm - 9:33 pmDCA-SDF
1h 48mnonstop
American Airlines Logo
6:03 am - 7:42 amSDF-DCA
1h 39mnonstop
$223American Airlines
Find Deal
Fri, Dec 26 - Thu, Jan 1
Southwest Logo
12:40 pm - 4:35 pmBWI-SDF
3h 55m1 stop
Southwest Logo
7:20 am - 12:25 pmSDF-BWI
5h 05m1 stop
$224Southwest
Find Deal
Wed, Dec 10 - Wed, Dec 17
Delta Logo
6:06 am - 9:59 amDCA-SDF
3h 53m1 stop
Delta Logo
3:09 pm - 8:41 pmSDF-DCA
5h 32m1 stop
$224Delta
Find Deal
Fri, Nov 14 - Thu, Nov 20
Delta Logo
5:59 pm - 12:06 amIAD-SDF
6h 07m1 stop
Delta Logo
3:09 pm - 9:32 pmSDF-IAD
6h 23m1 stop
$224Delta
Find Deal
Fri, Nov 14 - Thu, Nov 20
American Airlines Logo
7:55 pm - 12:22 amDCA-SDF
4h 27m1 stop
American Airlines Logo
4:57 pm - 6:43 pmSDF-DCA
1h 46mnonstop
$227American Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 15
Southwest Logo
11:25 am - 1:15 pmBWI-SDF
1h 50mnonstop
Southwest Logo
3:20 pm - 4:55 pmSDF-BWI
1h 35mnonstop
$227Southwest
Find Deal
Wed, Dec 10 - Wed, Dec 17
United Airlines Logo
12:50 pm - 2:45 pmIAD-SDF
1h 55mnonstop
United Airlines Logo
9:55 am - 11:33 amSDF-IAD
1h 38mnonstop
$249United Airlines
Find Deal
Fri, Nov 21 - Sun, Nov 23
United Airlines Logo
12:50 pm - 2:45 pmIAD-SDF
1h 55mnonstop
United Airlines Logo
9:55 am - 11:33 amSDF-IAD
1h 38mnonstop
$250United Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 23

Spirit Airlines flights from Washington, D.C. to Louisville

Our best Spirit Airlines deals on Washington, D.C. to Louisville flight tickets
Spirit Airlines
Feb 6
BWI3:31 pmBaltimore/Washington
8h 14m
1 stop
SDF11:45 pmLouisville Intl
Feb 9
SDF6:00 amLouisville Intl
17h 54m
2 stops
BWI11:54 pmBaltimore/Washington
Spirit Airlines
Feb 6
BWI6:45 amBaltimore/Washington
17h 00m
2 stops
SDF11:45 pmLouisville Intl
Feb 9
SDF6:00 amLouisville Intl
17h 54m
2 stops
BWI11:54 pmBaltimore/Washington
Spirit Airlines
Nov 13
BWI4:55 pmBaltimore/Washington
25h 21m
2 stops
SDF6:16 pmLouisville Intl
Nov 17
SDF7:11 pmLouisville Intl
17h 44m
2 stops
BWI12:55 pmBaltimore/Washington

Southwest flights from Washington, D.C. to Louisville

Our best Southwest deals on Washington, D.C. to Louisville flight tickets
Southwest
Dec 10
BWI12:40 pmBaltimore/Washington
3h 55m
1 stop
SDF4:35 pmLouisville Intl
Dec 17
SDF7:20 amLouisville Intl
5h 05m
1 stop
BWI12:25 pmBaltimore/Washington
Southwest
Dec 10
BWI11:25 amBaltimore/Washington
1h 50m
SDF1:15 pmLouisville Intl
Dec 17
SDF3:20 pmLouisville Intl
1h 35m
BWI4:55 pmBaltimore/Washington
Southwest
Jan 23
BWI5:50 pmBaltimore/Washington
4h 20m
1 stop
SDF10:10 pmLouisville Intl
Jan 26
SDF2:30 pmLouisville Intl
1h 35m
BWI4:05 pmBaltimore/Washington

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 31, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 2/6

8:42 am-11:45 pm

1 stop15h 03m

Louisville Intl

Mon 2/9

6:00 am-8:16 pm

1 stop14h 16m

$195

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 11/13

9:36 pm-6:16 pm

1 stop20h 40m

Louisville Intl

Mon 11/17

7:46 pm-3:47 pm

1 stop20h 01m

$197

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 12/26

7:45 pm-9:33 pm

Nonstop1h 48m

Louisville Intl

Thu 1/1

6:03 am-7:42 am

Nonstop1h 39m

$223

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 12/10

12:40 pm-4:35 pm

1 stop3h 55m

Louisville Intl

Wed 12/17

7:20 am-12:25 pm

1 stop5h 05m

$224

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 11/14

6:06 am-9:59 am

1 stop3h 53m

Louisville Intl

Thu 11/20

3:09 pm-8:41 pm

1 stop5h 32m

$224

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 11/14

5:59 pm-12:06 am

1 stop6h 07m

Louisville Intl

Thu 11/20

3:09 pm-9:32 pm

1 stop6h 23m

$224

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 12/13

7:55 pm-12:22 am

1 stop4h 27m

Louisville Intl

Mon 12/15

4:57 pm-6:43 pm

Nonstop1h 46m

$227

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 12/10

11:25 am-1:15 pm

Nonstop1h 50m

Louisville Intl

Wed 12/17

3:20 pm-4:55 pm

Nonstop1h 35m

$227

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 11/21

12:50 pm-2:45 pm

Nonstop1h 55m

Louisville Intl

Sun 11/23

9:55 am-11:33 am

Nonstop1h 38m

$249

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 11/20

12:50 pm-2:45 pm

Nonstop1h 55m

Louisville Intl

Sun 11/23

9:55 am-11:33 am

Nonstop1h 38m

$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. 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 typical price of a round-trip flight between Washington, D.C. and Louisville?

What is the cheapest month to fly to Louisville?

If you are unable to visit Louisville during the month of January, then departing from Washington, D.C. during the month August is also very affordable. Most momondo users find prices during this month for around $259.

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. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $251. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Louisville on a Sunday will generally be more expensive and average around $384. 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. 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 $337 per ticket.

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

Fly from Washington, D.C. Reagan-National to Louisville Intl for the best Washington, D.C. - 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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $324 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. for as low as $198 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. 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. to Louisville flights?

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

How have Washington, D.C. to Louisville flight prices changed over time?

As of October 2025, prices for Washington, D.C. to Louisville flights are approximately 54% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Louisville

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

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

Best Price Found

$158

Fastest flight time

1h 39m

Direct flights

Every day

Airports in Louisville

1 airport
The best one-way flight to Louisville from Washington, D.C. in the past 72 hours is $158. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $249.
The fastest flight from Washington, D.C. to Louisville takes 1h 39m
Direct flights go from Washington, D.C. to Louisville every day.
There is 1 airport near Louisville: Louisville Intl (SDF)
  • How far is Washington, D.C. to Louisville Intl by plane?

    The straight-line distance from Washington, D.C. to Louisville Intl is 472.6 mi. In terms of flight time, this usually takes a little over 1h 45m.

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

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

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

  • How old do you have to be to fly from Washington, D.C. to Louisville Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. to Louisville?

  • What is the most popular airline from Washington, D.C. to Louisville?

Best airlines flying from Washington, D.C. to Louisville

Compare and see reviews for airlines that fly from Washington, D.C. to Louisville with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
SouthwestPriceFrom $196Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
DeltaPriceFrom $198Free CancellationRating
7.9
7,998 reviews
Search Delta flights
  • United Airlines Flights From Washington, D.C. to Louisville

    United Airlines is one of the most popular airlines flying from Washington, D.C. to Louisville, operating 8 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. to Louisville starts from $189 round-trip, up to an average price of $283. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Washington, D.C. to Louisville

    Across 11,034 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Washington, D.C. to Louisville about 5 times each week, with ticket deals ranging from $189 to $399. Price data is based on momondo searches in the last 72 hours.

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
Georgetown
Brandenburg

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Louisville?

It is quick and easy to find Washington, D.C. to Louisville flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Louisville that suits you.

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

All flight searches from Washington, D.C. to Louisville on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Louisville from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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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1 adult
Sun 11/30
Sun 12/7

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