Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Louisville from $80

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 1/13. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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.
Search flight deals

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
8:00 am - 1:00 pm
BWI
-
SDF
29h 00m1 stop
Multiple Airlines Logo
3:36 pm - 8:31 am
SDF
-
BWI
16h 55m1 stop
$174Multiple Airlines
Tue, Jan 20 - Sun, Jan 25
Multiple Airlines Logo
8:45 am - 11:59 pm
BWI
-
SDF
15h 14m1 stop
Multiple Airlines Logo
3:36 pm - 11:44 pm
SDF
-
BWI
8h 08m1 stop
$182Multiple Airlines
Wed, Jan 7 - Thu, Jan 8
Multiple Airlines Logo
1:00 pm - 2:41 pm
BWI
-
SDF
25h 41m1 stop
Multiple Airlines Logo
3:36 pm - 11:59 pm
SDF
-
BWI
8h 23m1 stop
$185Multiple Airlines
Mon, Jan 19 - Thu, Jan 22
American Airlines Logo
7:45 pm - 9:33 pm
DCA
-
SDF
1h 48mnonstop
American Airlines Logo
6:03 am - 7:42 am
SDF
-
DCA
1h 39mnonstop
$204American Airlines
Fri, Dec 26 - Sat, Jan 3
United Airlines Logo
5:15 pm - 7:11 pm
IAD
-
SDF
1h 56mnonstop
United Airlines Logo
9:55 am - 11:36 am
SDF
-
IAD
1h 41mnonstop
$204United Airlines
Thu, Jan 1 - Mon, Jan 5
Delta Logo
8:59 am - 1:52 pm
DCA
-
SDF
4h 53m1 stop
Delta Logo
3:33 pm - 8:32 pm
SDF
-
DCA
4h 59m1 stop
$209Delta
Sat, Feb 21 - Mon, Feb 23
Delta Logo
1:00 pm - 7:01 pm
IAD
-
SDF
6h 01m1 stop
Delta Logo
5:45 pm - 12:09 am
SDF
-
IAD
6h 24m1 stop
$209Delta
Sat, May 2 - Tue, May 12
Southwest Logo
10:35 am - 5:00 pm
DCA
-
SDF
6h 25m1 stop
Southwest Logo
6:45 am - 4:00 pm
SDF
-
DCA
9h 15m2 stops
$214Southwest
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
5:30 pm - 7:26 pm
DCA
-
SDF
1h 56mnonstop
American Airlines Logo
6:03 am - 7:42 am
SDF
-
DCA
1h 39mnonstop
$219American Airlines
Wed, Dec 31 - Sat, Jan 3
United Airlines Logo
5:15 pm - 7:11 pm
IAD
-
SDF
1h 56mnonstop
United Airlines Logo
9:55 am - 11:36 am
SDF
-
IAD
1h 41mnonstop
$219United Airlines
Wed, Dec 31 - Fri, Jan 2

Southwest flights from Washington, D.C. to Louisville

Our best Southwest deals on Washington, D.C. to Louisville flight tickets
Southwest
Jan 13
DCA10:35 amWashington, D.C. Reagan-National
6h 25m
1 stop
SDF5:00 pmLouisville Intl
Jan 20
SDF6:45 amLouisville Intl
9h 15m
2 stops
DCA4:00 pmWashington, D.C. Reagan-National
$214
Find similar
Southwest
Feb 4
DCA2:55 pmWashington, D.C. Reagan-National
7h 15m
2 stops
SDF10:10 pmLouisville Intl
Feb 9
SDF6:55 amLouisville Intl
7h 50m
1 stop
DCA2:45 pmWashington, D.C. Reagan-National
$249
Find similar
Southwest
Feb 4
DCA1:00 pmWashington, D.C. Reagan-National
9h 10m
2 stops
SDF10:10 pmLouisville Intl
Feb 9
SDF6:25 amLouisville Intl
8h 55m
2 stops
DCA3:20 pmWashington, D.C. Reagan-National
$254
Find similar

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

Our best United Airlines deals on Washington, D.C. to Louisville flight tickets
United Airlines
Jan 1
IAD5:15 pmWashington, D.C. Dulles Intl
1h 56m
SDF7:11 pmLouisville Intl
Jan 5
SDF9:55 amLouisville Intl
1h 41m
IAD11:36 amWashington, D.C. Dulles Intl
$204
Find similar
United Airlines
Dec 31
IAD5:15 pmWashington, D.C. Dulles Intl
1h 56m
SDF7:11 pmLouisville Intl
Jan 1
SDF9:55 amLouisville Intl
1h 41m
IAD11:36 amWashington, D.C. Dulles Intl
$219
Find similar
United Airlines
Jan 16
IAD5:45 pmWashington, D.C. Dulles Intl
1h 58m
SDF7:43 pmLouisville Intl
Jan 19
SDF9:50 amLouisville Intl
1h 46m
IAD11:36 amWashington, D.C. Dulles Intl
$220
Find similar

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 December 15, 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

Tue 1/20

8:00 am-1:00 pm

1 stop29h 00m

Louisville Intl

Sun 1/25

3:36 pm-8:31 am

1 stop16h 55m

$174

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Wed 1/7

8:45 am-11:59 pm

1 stop15h 14m

Louisville Intl

Thu 1/8

3:36 pm-11:44 pm

1 stop8h 08m

$182

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Mon 1/19

1:00 pm-2:41 pm

1 stop25h 41m

Louisville Intl

Thu 1/22

3:36 pm-11:59 pm

1 stop8h 23m

$185

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

Sat 1/3

6:03 am-7:42 am

Nonstop1h 39m

$204

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 1/1

5:15 pm-7:11 pm

Nonstop1h 56m

Louisville Intl

Mon 1/5

9:55 am-11:36 am

Nonstop1h 41m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Sat 2/21

8:59 am-1:52 pm

1 stop4h 53m

Louisville Intl

Mon 2/23

3:33 pm-8:32 pm

1 stop4h 59m

$209

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 5/2

1:00 pm-7:01 pm

1 stop6h 01m

Louisville Intl

Tue 5/12

5:45 pm-12:09 am

1 stop6h 24m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 1/13

10:35 am-5:00 pm

1 stop6h 25m

Louisville Intl

Tue 1/20

6:45 am-4:00 pm

2 stops9h 15m

$214

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Wed 12/31

5:30 pm-7:26 pm

Nonstop1h 56m

Louisville Intl

Sat 1/3

6:03 am-7:42 am

Nonstop1h 39m

$219

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 12/31

5:15 pm-7:11 pm

Nonstop1h 56m

Louisville Intl

Fri 1/2

9:55 am-11:36 am

Nonstop1h 41m

$219

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 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 $255. 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 $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. 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 $298. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $330 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 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 $322 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 26% 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 December 2025, prices for Washington, D.C. to Louisville flights are approximately 52% 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

$194

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. in the past 72 hours is $194. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $231.
The fastest flight from Washington, D.C. to Louisville takes 1h 45m
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

  • 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
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
SouthwestPriceFrom $195Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,007 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 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 $302. Our users have rated United Airlines at 7.4/10.

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

    Across 11,052 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Washington, D.C. to Louisville about 16 times each week, with ticket deals ranging from $189 to $414. 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
Brandenburg
Georgetown

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 1/14
Wed 1/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States