Cheap flights from Washington, D.C. to Louisville from $96

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 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
10:40 am - 12:25 pm
BWI
-
SDF
1h 45mnonstop
Southwest Logo
5:35 am - 7:10 am
SDF
-
BWI
1h 35mnonstop
$191Southwest
Wed, Jul 22 - Tue, Jul 28
Southwest Logo
8:55 pm - 10:35 pm
BWI
-
SDF
1h 40mnonstop
Southwest Logo
8:30 am - 10:10 am
SDF
-
BWI
1h 40mnonstop
$199Southwest
Thu, Aug 13 - Mon, Aug 17
Delta Logo
11:52 am - 3:42 pm
BWI
-
SDF
3h 50m
1 stop
Delta Logo
8:10 am - 1:01 pm
SDF
-
BWI
4h 51m
1 stop
$201Delta
Wed, Jul 22 - Tue, Jul 28
Southwest Logo
7:35 pm - 9:20 pm
BWI
-
SDF
1h 45mnonstop
Southwest Logo
11:50 am - 1:30 pm
SDF
-
BWI
1h 40mnonstop
$204Southwest
Sat, Aug 8 - Mon, Aug 10
Delta Logo
5:00 pm - 12:09 am
BWI
-
SDF
7h 09m
1 stop
Delta Logo
11:17 am - 3:46 pm
SDF
-
BWI
4h 29m
1 stop
$214Delta
Sat, Aug 8 - Mon, Aug 10
American Airlines Logo
12:59 pm - 2:51 pm
DCA
-
SDF
1h 52mnonstop
American Airlines Logo
6:08 am - 7:57 am
SDF
-
DCA
1h 49mnonstop
$249American Airlines
Fri, Aug 28 - Tue, Sep 1
United Airlines Logo
12:48 pm - 2:37 pm
IAD
-
SDF
1h 49mnonstop
United Airlines Logo
10:05 am - 11:45 am
SDF
-
IAD
1h 40mnonstop
$249United Airlines
Sat, Jul 18 - Fri, Jul 24
American Airlines Logo
7:45 pm - 9:38 pm
DCA
-
SDF
1h 53mnonstop
American Airlines Logo
7:12 pm - 11:59 pm
SDF
-
DCA
4h 47m
1 stop
$259American Airlines
Fri, Aug 28 - Mon, Aug 31
United Airlines Logo
12:50 pm - 2:37 pm
IAD
-
SDF
1h 47mnonstop
United Airlines Logo
10:05 am - 11:47 am
SDF
-
IAD
1h 42mnonstop
$261United Airlines
Sat, Aug 22 - Tue, Aug 25
Multiple Airlines Logo
12:28 pm - 10:32 am
IAD
-
SDF
22h 04m
1 stop
Multiple Airlines Logo
6:55 pm - 4:13 pm
SDF
-
IAD
21h 18m
2 stops
$268Multiple Airlines
Wed, Sep 2 - Sun, Sep 6

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Delta flights from Washington, D.C. to Louisville

Our best Delta deals on Washington, D.C. to Louisville flight tickets
Delta
Aug 8
BWI5:00 pmBaltimore/Washington
7h 09m
1 stop
SDF12:09 amLouisville Intl
Aug 10
SDF11:17 amLouisville Intl
4h 29m
1 stop
BWI3:46 pmBaltimore/Washington
$214
Delta
Aug 6
BWI8:18 amBaltimore/Washington
4h 03m
1 stop
SDF12:21 pmLouisville Intl
Aug 10
SDF7:05 amLouisville Intl
6h 00m
1 stop
BWI1:05 pmBaltimore/Washington
$227
Delta
Aug 13
IAD8:28 amWashington, D.C. Dulles Intl
3h 53m
1 stop
SDF12:21 pmLouisville Intl
Aug 16
SDF7:05 amLouisville Intl
4h 28m
1 stop
IAD11:33 amWashington, D.C. Dulles Intl
$253

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

Our best United Airlines deals on Washington, D.C. to Louisville flight tickets
United Airlines
Jul 18
IAD12:48 pmWashington, D.C. Dulles Intl
1h 49m
SDF2:37 pmLouisville Intl
Jul 24
SDF10:05 amLouisville Intl
1h 40m
IAD11:45 amWashington, D.C. Dulles Intl
$249
United Airlines
Aug 22
IAD12:50 pmWashington, D.C. Dulles Intl
1h 47m
SDF2:37 pmLouisville Intl
Aug 25
SDF10:05 amLouisville Intl
1h 42m
IAD11:47 amWashington, D.C. Dulles Intl
$261
United Airlines
Jul 15
IAD12:48 pmWashington, D.C. Dulles Intl
1h 49m
SDF2:37 pmLouisville Intl
Jul 22
SDF6:00 amLouisville Intl
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
$264

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 June 28, 2026.
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

Cheapest round-trip
Quickest round-trip

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 7/22

10:40 am-12:25 pm

Nonstop1h 45m

Louisville Intl

Tue 7/28

5:35 am-7:10 am

Nonstop1h 35m

$191

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 8/13

8:55 pm-10:35 pm

Nonstop1h 40m

Louisville Intl

Mon 8/17

8:30 am-10:10 am

Nonstop1h 40m

$199

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 7/22

11:52 am-3:42 pm

1 stop3h 50m

Louisville Intl

Tue 7/28

8:10 am-1:01 pm

1 stop4h 51m

$201

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sat 8/8

7:35 pm-9:20 pm

Nonstop1h 45m

Louisville Intl

Mon 8/10

11:50 am-1:30 pm

Nonstop1h 40m

$204

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Sat 8/8

5:00 pm-12:09 am

1 stop7h 09m

Louisville Intl

Mon 8/10

11:17 am-3:46 pm

1 stop4h 29m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 8/28

12:59 pm-2:51 pm

Nonstop1h 52m

Louisville Intl

Tue 9/1

6:08 am-7:57 am

Nonstop1h 49m

$249

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 7/18

12:48 pm-2:37 pm

Nonstop1h 49m

Louisville Intl

Fri 7/24

10:05 am-11:45 am

Nonstop1h 40m

$249

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 8/28

7:45 pm-9:38 pm

Nonstop1h 53m

Louisville Intl

Mon 8/31

7:12 pm-11:59 pm

1 stop4h 47m

$259

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 8/22

12:50 pm-2:37 pm

Nonstop1h 47m

Louisville Intl

Tue 8/25

10:05 am-11:47 am

Nonstop1h 42m

$261

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 9/2

12:28 pm-10:32 am

1 stop22h 04m

Louisville Intl

Sun 9/6

6:55 pm-4:13 pm

2 stops21h 18m

$268

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 August, then departing from Washington, D.C. during the month September is also very affordable. Most momondo users find prices during this month for around $149.

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 $284. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Louisville on a Monday will generally be more expensive and average around $515. 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 afternoon. Our users have found flights to Louisville in the afternoon for as low as $318. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $367 per ticket.

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

Fly from Baltimore/Washington to Louisville Intl for the best Washington, D.C. - Louisville Intl flight prices

How far in advance should I book a flight from Washington, D.C. 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 $339 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 $219 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. to Louisville 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 4% 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 June 2026, prices for Washington, D.C. to Louisville flights are approximately 48% 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

$206

Fastest flight time

1h 40m

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 $206. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $282.
The fastest flight from Washington, D.C. to Louisville takes 1h 40m
Direct flights go from Washington, D.C. to Louisville every day.
There is 1 airport in Louisville. From Washington, D.C. there are direct flights to Louisville Intl (SDF).

Frequently asked questions about flying from Washington, D.C. to Louisville

  • 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 40m.

  • 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
9,899 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.1
11,776 reviews
Search American Airlines flights
SouthwestPriceFrom $196Free CancellationRating
7.9
4,246 reviews
Search Southwest flights
DeltaPriceFrom $202Free CancellationRating
7.8
8,455 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 21 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 $330. Our users have rated United Airlines at 7.4/10.

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

    Across 11,776 American Airlines reviews on momondo, the average score is 7.1/10. American Airlines flies from Washington, D.C. to Louisville about 11 times each week, with ticket deals ranging from $189 to $429. 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
Jeffersonville
West Baden Springs
Bardstown
Shepherdsville
New Albany
Elizabeth
Charlestown
Corydon
Brandenburg
Georgetown
Springfield

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.

An easier way to manage your Louisville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/28
Tue 8/4

Find better results for your trip to the United States