Find Cheap Flights from Washington, D.C. to Louisville (WAS - SDF)

Flights overview

Useful information for finding cheap flights from Washington, D.C. to Louisville and booking your next trip

Cheapest round-trip flights	$249	American Nonstop 3 hr Thu, Jun 25 — Sun, Jun 28	The cheapest round-trip flight from Washington, D.C. to Louisville is currently $249
Cheapest one-way flight	$114	Southwest Nonstop 2 hr Wed, Jun 3	The cheapest one-way flight from Washington, D.C. to Louisville is currently $114
Last-minute weekend getaway	$429	American Nonstop 2 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Washington, D.C. to Louisville is currently $429
Cheapest business class flights	$404	American Nonstop 3 hr Thu, Jun 25 — Sun, Jun 28	The cheapest business class round-trip flight from Washington, D.C. to Louisville is currently $404

Fastest flight	1 hr 45 min	The fastest nonstop flight from Washington, D.C. to Louisville takes 1 hr 45 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Washington, D.C. to Louisville is typically August. The most expensive month to fly is typically April.

August Cheapest	Typical prices: $160–250
April Most expensive	Typical prices: $230–390

Popular airlines from Washington, D.C. to Louisville

United

Nonstop

from $249

Typical price: $185–335

21 weekly nonstop flights

IAD - SDF Every day

1179 weekly connecting flights

BWI, DCA, IAD - SDF Every day
American

Nonstop

from $249

Typical price: $185–310

21 weekly nonstop flights

DCA - SDF Every day

902 weekly connecting flights

BWI, DCA, IAD - SDF Every day
Southwest

Nonstop

from $269

Typical price: $205–385

18 weekly nonstop flights

BWI - SDF Every day

679 weekly connecting flights

BWI, DCA, IAD - SDF Every day
Delta

from $269

Typical price: $205–410

1099 weekly connecting flights

BWI, DCA, IAD - SDF Every day

Popular airports near Washington, D.C.

Ronald Reagan Washington National Airport (DCA)

Washington United States 19 min 4 mi
Dulles International Airport (IAD)

Washington United States 54 min 22 mi
Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI)

Baltimore United States 47 min 27 mi
Philadelphia International Airport (PHL)

Philadelphia United States 2 hr 18 min 116 mi

Popular airports near Louisville

Louisville Muhammad Ali International Airport (SDF)

Louisville United States 21 min 5 mi
Nashville International Airport (BNA)

Nashville United States 2 hr 47 min 155 mi
Cincinnati/Northern Kentucky International Airport (CVG)

Cincinnati United States 1 hr 32 min 81 mi
Indianapolis International Airport (IND)

Indianapolis United States 1 hr 54 min 105 mi

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

The cheapest flights from Washington, D.C. to Louisville are usually in August. Typical ticket prices in August range from $160 to $250.

The cheapest round-trip flight from Washington, D.C. to Louisville recently found on Google Flights was with American from $249. The cheapest one-way flight was with Southwest from $114.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Louisville is $249, flying from Jul 2 to Jul 5.
The cheapest American flight from Washington, D.C. to Louisville is $249, flying from Jun 25 to Jun 28.
The cheapest Southwest flight from Washington, D.C. to Louisville is $269, flying from Jul 23 to Jul 26.
The cheapest Delta flight from Washington, D.C. to Louisville is $269, flying from May 28 to May 31.

The cheapest round-trip flight from Washington, D.C. to Louisville starts at $249 from Thu, Jun 25 to Sun, Jun 28. The cheapest one-way flight starts at $114 and departs on Wed, Jun 3.

1 hr 45 min is the shortest flight time from Washington, D.C. to Louisville.

Peak travel is Mar–Aug & Oct. The Kentucky Derby Festival (Apr) includes a parade, marathon, and large fireworks display. The horserace itself is on the first weekend in May. Kentucky Shakespeare (Jun–Aug) is a series of free outdoor Shakespeare performances in Central Park. The Kentucky State Fair (Aug) is a livestock show with live music and fairground attractions. There's live music and local craft whiskey at the Kentucky Bluegrass and Bourbon Experience (Sep). Winter (Dec–Feb) is cool with rain and occasional snow.

It's easy to use Google Flights to find the cheapest days to fly from Washington, D.C. to Louisville.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Washington, D.C. to Louisville really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Washington, D.C. to Louisville.

In terms of nonstop flights, United is the most popular. United offers 21 nonstop flights and 1,179 connecting flights per week. United flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Louisville Muhammad Ali International Airport (SDF) .

Other popular airlines flying from Washington, D.C. to Louisville are:

American offers 21 nonstop flights and 902 connecting flights per week. American flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Louisville Muhammad Ali International Airport (SDF) .
Southwest offers 18 nonstop flights and 679 connecting flights per week. Southwest flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Louisville Muhammad Ali International Airport (SDF) .
Delta offers 1,099 connecting flights per week. Delta flies from Baltimore/Washington International Thurgood Marshall Airport (BWI) (BWI) , Ronald Reagan Washington National Airport (DCA) , Dulles International Airport (IAD) to Louisville Muhammad Ali International Airport (SDF) .

The number of connecting flights refers to distinct flights with at least one stop between Washington, D.C. and Louisville.

The cheapest round-trip flight from Washington, D.C. to Louisville recently found on Google Flights was with American from $249. The cheapest one-way flight was with Southwest from $114.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest United flight from Washington, D.C. to Louisville is $249, flying from Jul 2 to Jul 5.
The cheapest American flight from Washington, D.C. to Louisville is $249, flying from Jun 25 to Jun 28.
The cheapest Southwest flight from Washington, D.C. to Louisville is $269, flying from Jul 23 to Jul 26.
The cheapest Delta flight from Washington, D.C. to Louisville is $269, flying from May 28 to May 31.

Southwest, American and United fly direct from Washington, D.C. to Louisville.

There are 21 United direct flights from Washington, D.C. to Louisville per week. Flights are available every day.
There are 21 American direct flights from Washington, D.C. to Louisville per week. Flights are available every day.
There are 18 Southwest direct flights from Washington, D.C. to Louisville per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Washington, D.C. and Louisville at price $429 is offered by American from Sat, May 9 to Sun, May 10.

Southwest, American and United fly direct from Washington, D.C. to Louisville.

There are 21 United direct flights from Washington, D.C. to Louisville per week. Flights are available every day.
There are 21 American direct flights from Washington, D.C. to Louisville per week. Flights are available every day.
There are 18 Southwest direct flights from Washington, D.C. to Louisville per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Washington, D.C. to Louisville on a daily basis.

The cheapest direct (nonstop) round-trip flights between Washington, D.C. and Louisville start at $249 from Thu, Jun 25 to Sun, Jun 28 with American.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Washington, D.C. to Louisville, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Washington, D.C. and Louisville start at $404 from Thu, Jun 25 to Sun, Jun 28 with American.

The cheapest economy class round-trip flights between Washington, D.C. and Louisville start at $249 from Thu, Jun 25 to Sun, Jun 28.

To book business class trips from Washington, D.C. to Louisville, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Washington, D.C. and Louisville starts at $429 from Sat, May 9 to Sun, May 10 with American.

The cheapest last-minute deal between Washington, D.C. and Louisville at price $429 is offered by American from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Washington, D.C. to Louisville, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.