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Cheap flights from Washington, D.C. to Louisville from $78

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 4/29. 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

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. to Louisville.
6:31 pm - 11:47 amBWI-SDF
17h 16m1 stop
5:05 am - 10:50 pmSDF-BWI
17h 45m1 stop
$174Spirit Airlines
Find Deal
Fri, Apr 25 - Wed, Apr 30
9:30 pm - 11:15 pmBWI-SDF
1h 45mnonstop
6:15 pm - 7:55 pmSDF-BWI
1h 40mnonstop
$179Southwest
Find Deal
Thu, Apr 24 - Mon, Apr 28
12:45 pm - 2:30 pmIAD-SDF
1h 45mnonstop
6:00 am - 7:33 amSDF-IAD
1h 33mnonstop
$179United Airlines
Find Deal
Wed, May 7 - Sat, May 10
8:15 am - 10:18 amDCA-SDF
2h 03mnonstop
11:15 am - 12:59 pmSDF-DCA
1h 44mnonstop
$179American Airlines
Find Deal
Thu, Apr 17 - Sat, Apr 19
12:45 pm - 2:30 pmIAD-SDF
1h 45mnonstop
6:00 am - 7:35 amSDF-IAD
1h 35mnonstop
$184United Airlines
Find Deal
Wed, May 21 - Sun, May 25
9:05 pm - 10:53 pmDCA-SDF
1h 48mnonstop
5:41 am - 7:20 amSDF-DCA
1h 39mnonstop
$189American Airlines
Find Deal
Tue, Apr 15 - Tue, Apr 22
8:00 am - 2:17 pmBWI-SDF
6h 17m1 stop
7:05 am - 12:47 pmSDF-BWI
5h 42m1 stop
$189Delta
Find Deal
Tue, May 27 - Wed, Jun 4
6:00 am - 10:08 amDCA-SDF
4h 08m1 stop
7:09 pm - 11:15 pmSDF-DCA
4h 06m1 stop
$199Delta
Find Deal
Sat, May 17 - Mon, May 19
4:39 pm - 5:34 pmBWI-SDF
24h 55m1 stop
6:19 pm - 9:22 amSDF-BWI
15h 03m1 stop
Thu, May 1 - Mon, May 5
6:16 pm - 5:34 pmBWI-SDF
23h 18m1 stop
6:19 pm - 4:46 pmSDF-BWI
22h 27m2 stops
Thu, May 1 - Mon, May 5

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

Our best United Airlines deals on Washington, D.C. to Louisville flight tickets
United Airlines
May 7
IAD12:45 pmWashington, D.C. Dulles Intl
1h 45m
SDF2:30 pmLouisville Intl
May 10
SDF6:00 amLouisville Intl
1h 33m
IAD7:33 amWashington, D.C. Dulles Intl
United Airlines
May 21
IAD12:45 pmWashington, D.C. Dulles Intl
1h 45m
SDF2:30 pmLouisville Intl
May 25
SDF6:00 amLouisville Intl
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
United Airlines
Apr 22
IAD12:55 pmWashington, D.C. Dulles Intl
1h 45m
SDF2:40 pmLouisville Intl
Apr 23
SDF6:45 amLouisville Intl
4h 55m
1 stop
IAD11:40 amWashington, D.C. Dulles Intl

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

Our best Spirit Airlines deals on Washington, D.C. to Louisville flight tickets
Spirit Airlines
Apr 25
BWI6:31 pmBaltimore/Washington
17h 16m
1 stop
SDF11:47 amLouisville Intl
Apr 30
SDF5:05 amLouisville Intl
17h 45m
1 stop
BWI10:50 pmBaltimore/Washington
Spirit Airlines
Apr 24
BWI9:32 pmBaltimore/Washington
24h 45m
1 stop
SDF10:17 pmLouisville Intl
Apr 28
SDF5:45 amLouisville Intl
27h 37m
1 stop
BWI9:22 amBaltimore/Washington
Spirit Airlines
Sep 5
BWI5:45 amBaltimore/Washington
5h 08m
1 stop
SDF10:53 amLouisville Intl
Sep 8
SDF12:00 pmLouisville Intl
7h 25m
1 stop
BWI7:25 pmBaltimore/Washington

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 July is also very affordable. Most momondo users find prices during this month for around $274.

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 $285. 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 $360. 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 $299. In the afternoon is when there is more demand to fly to Louisville, so prices are often more expensive at around $349 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 6 weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $323 when searching 6 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 $246 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.

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

As of March 2025, prices for Washington, D.C. to Louisville flights are approximately 20% cheaper 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

$78

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 $78. The best round-trip flight deal from Washington, D.C. to Louisville found on momondo in the last 72 hours is $174.
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 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 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 $173Free CancellationRating
7.4
8,603 reviews
Search United Airlines flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $215Free CancellationRating
8.0
7,896 reviews
Search Delta flights
SouthwestPriceFrom $237Free CancellationRating
8.0
4,273 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 11 flights/week on average for this route. A good United Airlines flight deal for Washington, D.C. to Louisville starts from $173 round-trip, up to an average price of $292. Our users have rated United Airlines at 7.4/10.

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

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Washington, D.C. to Louisville about 15 times each week, with ticket deals ranging from $189 to $344. 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
Jeffersonville
Bardstown
Shepherdsville
New Albany
Elizabeth
Corydon
Charlestown
Georgetown
Springfield
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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