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Cheap flights from Washington, D.C. to Louisville from $79

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 10/28. 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
7:35 pm - 9:25 pmBWI  Baltimore/Washington-SDF Louisville Intl
1h 50mnonstop
Southwest Logo
5:00 pm - 6:40 pmSDF  Louisville Intl-BWI Baltimore/Washington
1h 40mnonstop
$158Southwest
Sat, Sep 19 - Tue, Sep 22
Southwest Logo
7:35 pm - 9:25 pmBWI  Baltimore/Washington-SDF Louisville Intl
1h 50mnonstop
Southwest Logo
1:15 pm - 8:15 pmSDF  Louisville Intl-BWI Baltimore/Washington
7h 00m1 stop Chicago Midway
$167Southwest
Sat, Sep 19 - Tue, Sep 22
American Airlines Logo
2:59 pm - 7:28 pmBWI  Baltimore/Washington-SDF Louisville Intl
4h 29m1 stop Charlotte Douglas
American Airlines Logo
5:59 pm - 11:59 pmSDF  Louisville Intl-BWI Baltimore/Washington
6h 00m1 stop Charlotte Douglas
$209American Airlines
Tue, Oct 20 - Sat, Oct 24
American Airlines Logo
8:16 pm - 12:07 amBWI  Baltimore/Washington-SDF Louisville Intl
3h 51m1 stop Charlotte Douglas
American Airlines Logo
5:04 am - 8:45 amSDF  Louisville Intl-BWI Baltimore/Washington
3h 41m1 stop Charlotte Douglas
$209American Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
7:05 pm - 11:59 pmBWI  Baltimore/Washington-SDF Louisville Intl
4h 54m1 stop Chicago O'Hare Intl
United Airlines Logo
5:15 am - 10:30 amSDF  Louisville Intl-BWI Baltimore/Washington
5h 15m1 stop Chicago O'Hare Intl
$209United Airlines
Sat, Oct 10 - Sat, Oct 17
Delta Logo
6:00 am - 12:20 pmBWI  Baltimore/Washington-SDF Louisville Intl
6h 20m1 stop Atlanta Hartsfield-Jackson
Delta Logo
10:32 am - 4:55 pmSDF  Louisville Intl-BWI Baltimore/Washington
6h 23m1 stop Detroit Metropolitan Wayne County
$209Delta
Thu, Oct 1 - Mon, Oct 5
Delta Logo
5:00 pm - 10:47 pmBWI  Baltimore/Washington-SDF Louisville Intl
5h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:59 pm - 6:50 pmSDF  Louisville Intl-BWI Baltimore/Washington
4h 51m1 stop Atlanta Hartsfield-Jackson
$209Delta
Sat, Oct 31 - Mon, Nov 2
Multiple Airlines Logo
1:55 pm - 8:29 pmBWI  Baltimore/Washington-SDF Louisville Intl
30h 34m2 stops Fort Lauderdale Tampa
Multiple Airlines Logo
9:11 pm - 9:28 amSDF  Louisville Intl-BWI Baltimore/Washington
12h 17m1 stop Orlando Sanford Intl
$214Multiple Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
6:25 pm - 8:09 pmIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
1h 44mnonstop
United Airlines Logo
10:05 am - 11:47 amSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
1h 42mnonstop
$233United Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
12:50 pm - 9:45 amIAD  Washington, D.C. Dulles Intl-SDF Louisville Intl
20h 55m2 stops DuBois Jefferson County Pittsburgh
Multiple Airlines Logo
7:08 pm - 8:21 pmSDF  Louisville Intl-IAD Washington, D.C. Dulles Intl
25h 13m1 stop Fort Lauderdale
$246Multiple Airlines
Thu, Oct 29 - Mon, Nov 2

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

Our best United Airlines deals on Washington, D.C. to Louisville flight tickets
United Airlines
Sep 11
IAD12:50 pmWashington, D.C. Dulles Intl
1h 47m
SDF2:37 pmLouisville Intl
Sep 18
SDF10:05 amLouisville Intl
1h 42m
IAD11:47 amWashington, D.C. Dulles Intl
$233
United Airlines
Aug 28
IAD12:50 pmWashington, D.C. Dulles Intl
1h 47m
SDF2:37 pmLouisville Intl
Sep 15
SDF10:05 amLouisville Intl
1h 42m
IAD11:47 amWashington, D.C. Dulles Intl
$246
United Airlines
Sep 1
IAD5:25 pmWashington, D.C. Dulles Intl
1h 50m
SDF7:15 pmLouisville Intl
Sep 5
SDF10:05 amLouisville Intl
1h 42m
IAD11:47 amWashington, D.C. Dulles Intl
$248

Southwest flights from Washington, D.C. to Louisville

Our best Southwest deals on Washington, D.C. to Louisville flight tickets
Southwest
Sep 19
BWI7:35 pmBaltimore/Washington
1h 50m
SDF9:25 pmLouisville Intl
Sep 22
SDF5:00 pmLouisville Intl
1h 40m
BWI6:40 pmBaltimore/Washington
$158
Southwest
Sep 19
BWI7:35 pmBaltimore/Washington
1h 50m
SDF9:25 pmLouisville Intl
Sep 22
SDF1:15 pmLouisville Intl
7h 00m
1 stop
BWI8:15 pmBaltimore/Washington
$167
Southwest
Sep 19
BWI7:35 pmBaltimore/Washington
1h 50m
SDF9:25 pmLouisville Intl
Sep 22
SDF8:45 amLouisville Intl
7h 15m
2 stops
BWI4:00 pmBaltimore/Washington
$173

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 August 13, 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

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Sat 9/19

7:35 pm-9:25 pm

Nonstop1h 50m

Louisville Intl

Tue 9/22

5:00 pm-6:40 pm

Nonstop1h 40m

$158

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Sat 9/19

7:35 pm-9:25 pm

Nonstop1h 50m

Louisville Intl

Tue 9/22

1:15 pm-8:15 pm

1 stop7h 00m

$167

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Tue 10/20

2:59 pm-7:28 pm

1 stop4h 29m

Louisville Intl

Sat 10/24

5:59 pm-11:59 pm

1 stop6h 00m

$209

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Sat 10/10

8:16 pm-12:07 am

1 stop3h 51m

Louisville Intl

Sat 10/17

5:04 am-8:45 am

1 stop3h 41m

$209

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Sat 10/10

7:05 pm-11:59 pm

1 stop4h 54m

Louisville Intl

Sat 10/17

5:15 am-10:30 am

1 stop5h 15m

$209

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Thu 10/1

6:00 am-12:20 pm

1 stop6h 20m

Louisville Intl

Mon 10/5

10:32 am-4:55 pm

1 stop6h 23m

$209

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Sat 10/31

5:00 pm-10:47 pm

1 stop5h 47m

Louisville Intl

Mon 11/2

1:59 pm-6:50 pm

1 stop4h 51m

$209

BaltimoreLouisville

BWI Baltimore/Washington - SDF Louisville Intl

BWISDF

Baltimore/Washington

Wed 10/28

1:55 pm-8:29 pm

2 stops30h 34m

Louisville Intl

Sun 11/1

9:11 pm-9:28 am

1 stop12h 17m

$214
Quickest round-trip

Washington, D.C.Louisville

IAD Washington, D.C. Dulles Intl - SDF Louisville Intl

IADSDF

Washington, D.C. Dulles Intl

Fri 9/11

6:25 pm-8:09 pm

Nonstop1h 44m

Louisville Intl

Mon 9/14

10:05 am-11:47 am

Nonstop1h 42m

$233

Washington, D.C.Louisville

IAD Washington, D.C. Dulles Intl - SDF Louisville Intl

IADSDF

Washington, D.C. Dulles Intl

Thu 10/29

12:50 pm-9:45 am

2 stops20h 55m

Louisville Intl

Mon 11/2

7:08 pm-8:21 pm

1 stop25h 13m

$246

Flights are sorted by cheapest round-trip flights first.

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

Prices are currently low for flights on this route.

Typical prices usually range from $234 to $319.
The lowest price recently found on this route was $158.

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 $288.

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 $280. 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 $537. 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 $336. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $377 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 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 $344 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 August 2026, prices for Washington, D.C. to Louisville flights are approximately 17% 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

$173

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 $173. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $257.
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 in Louisville. From Washington, D.C. there are direct flights to Louisville Intl (SDF).
Search flight deals

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 39m.

  • 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
10,112 reviews
Search United Airlines flights
American AirlinesPriceFrom $199Free CancellationRating
7.1
11,923 reviews
Search American Airlines flights
DeltaPriceFrom $202Free CancellationRating
7.8
8,502 reviews
Search Delta flights
SouthwestPriceFrom $248Free CancellationRating
8.0
4,218 reviews
Search Southwest 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 12 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 $338. Our users have rated United Airlines at 7.4/10.

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

    Across 11,923 American Airlines reviews on momondo, the average score is 7.1/10. American Airlines flies from Washington, D.C. to Louisville about 16 times each week, with ticket deals ranging from $199 to $419. 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
New Albany
Shepherdsville
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.

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