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$105+ Cheap flights from District of Columbia to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from District of Columbia to Louisville

Cheapest flights from District of Columbia to Louisville
Explore the most affordable flight options available from District of Columbia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:39 am
DCA
-
SDF
Nonstop2h 03m
American Airlines
Fri 3/136:00 am
SDF
-
DCA
Nonstop1h 42m
American Airlines
Deal found 2/3$189
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:43 pm
IAD
-
SDF
Nonstop1h 59m
United Airlines
Tue 3/249:55 am
SDF
-
IAD
Nonstop1h 43m
United Airlines
Deal found 2/3$189
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:03 pm
DCA
-
SDF
Nonstop1h 56m
American Airlines
Mon 8/317:38 pm
SDF
-
DCA
Nonstop1h 46m
American Airlines
Deal found 2/3$204
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:55 pm
IAD
-
SDF
Nonstop1h 39m
United Airlines
Sat 5/3010:00 am
SDF
-
IAD
Nonstop1h 39m
United Airlines
Deal found 2/3$204
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
DCA
-
SDF
1 stop4h 10m
Delta
Mon 3/235:35 pm
SDF
-
DCA
1 stop4h 06m
Delta
Deal found 2/3$209
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
IAD
-
SDF
1 stop4h 10m
Delta
Mon 3/235:55 pm
SDF
-
IAD
1 stop5h 04m
Delta
Deal found 2/3$209
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:40 pm
DCA
-
SDF
1 stop4h 55m
Southwest
Tue 5/53:30 pm
SDF
-
DCA
2 stops6h 25m
Southwest
Deal found 2/2$214
This American Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/218:39 am
DCA
-
SDF
Nonstop2h 03m
American Airlines
Mon 2/236:00 am
SDF
-
DCA
Nonstop1h 42m
American Airlines
Deal found 2/3$219
This United Airlines deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:43 pm
IAD
-
SDF
Nonstop1h 59m
United Airlines
Mon 2/239:50 am
SDF
-
IAD
Nonstop1h 43m
United Airlines
Deal found 2/3$219
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:39 am
DCA
-
SDF
Nonstop2h 03m
American Airlines
Sat 3/76:10 am
SDF
-
DCA
1 stop9h 34m
American Airlines
Deal found 2/1$221
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/216:00 pm
DCA
-
SDF
1 stop5h 58m
Delta
Mon 2/235:02 pm
SDF
-
DCA
1 stop6h 05m
Delta
Deal found 2/2$224
This Delta deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2110:57 am
IAD
-
SDF
1 stop6h 04m
Delta
Mon 2/236:44 pm
SDF
-
IAD
1 stop4h 25m
Delta
Deal found 2/2$224

Find flight deals from District of Columbia to Louisville

Keep the following information in mind while searching for District of Columbia to Louisville flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(American Airlines)

One-way from

$105
(Southwest)

Popular in

March

Cheapest in

August

Average price

$284

Good round-trip deal

$234 or less

Good one-way deal

$214 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
Search Deals
From District of Columbia to Louisville Intl
Search Deals
One-way flight from District of Columbia to Louisville Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from District of Columbia to Louisville Intl.
Search Deals
Price to beat on a one-way flight from District of Columbia to Louisville Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from District of Columbia to Louisville that are best for you.

Fly from

District of Columbia

Fly to

Louisville

Route

Depart

Return

Price

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 3/14

5:43 pm-7:42 pm

Nonstop1h 59m

Louisville Intl

Tue 3/24

9:55 am-11:38 am

Nonstop1h 43m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 3/3

12:50 pm-2:47 pm

Nonstop1h 57m

Louisville Intl

Tue 3/10

9:55 am-11:38 am

Nonstop1h 43m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 3/21

12:50 pm-2:47 pm

Nonstop1h 57m

Louisville Intl

Wed 3/25

9:55 am-11:38 am

Nonstop1h 43m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 3/4

5:43 pm-7:42 pm

Nonstop1h 59m

Louisville Intl

Wed 3/11

9:55 am-11:38 am

Nonstop1h 43m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sun 5/24

1:00 pm-2:47 pm

Nonstop1h 47m

Louisville Intl

Sat 5/30

10:00 am-11:39 am

Nonstop1h 39m

$204

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 3/12

5:43 pm-7:42 pm

Nonstop1h 59m

Louisville Intl

Mon 3/23

9:55 am-11:38 am

Nonstop1h 43m

$204

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 3/10

7:43 pm-11:57 pm

1 stop4h 14m

Louisville Intl

Fri 3/20

7:37 pm-11:39 pm

1 stop4h 02m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-10:06 am

1 stop4h 06m

Louisville Intl

Tue 5/5

2:16 pm-8:55 pm

1 stop6h 39m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 3/13

6:00 am-10:10 am

1 stop4h 10m

Louisville Intl

Mon 3/23

5:35 pm-10:42 pm

1 stop5h 07m

$209

Washington, D.C.Louisville

DCA - SDF

DCASDF

Washington, D.C. Reagan-National

Fri 2/27

6:05 am-10:04 am

1 stop3h 59m

Louisville Intl

Mon 3/2

12:59 pm-6:48 pm

1 stop5h 49m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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Best time to book a flight from District of Columbia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Louisville

What is the cheapest month to book a flight from District of Columbia to Louisville?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Louisville (average of $114). Flying from District of Columbia to Louisville in November is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to SDF?

Find hourly flight availability from District of Columbia to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.

A simple way to save on the total cost of your ticket is to fly from District of Columbia to Louisville in the morning. If you’re flexible enough to do this you can expect to save up to 4% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from District of Columbia to Louisville?

Use this chart to determine the cheapest time to fly round-trip from District of Columbia to Louisville. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their District of Columbia to Louisville flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from District of Columbia to Louisville

Explore weekly flight availability from District of Columbia to Louisville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 4, 2026.

The most flights from USDC to SDF are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from District of Columbia?

    For a flight from District of Columbia to Louisville, you will be flying into Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

  • How long is the flight from District of Columbia to Louisville?

    Airlines like United Airlines and Delta fly from District of Columbia to Louisville in about 1h 59m. The time it takes to get you to your destination can typically vary by up to 2h 15m. There are 450 mi between District of Columbia and Louisville. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from District of Columbia to Louisville one-way?

    The cheapest airlines for a one-way flight from District of Columbia to Louisville are Southwest ($89), American Airlines ($89), and Delta ($98).

  • What are the most reliable airlines from District of Columbia to Louisville?

    The top 3 most reliable airlines when flying from District of Columbia to Louisville are Air Canada (72%), Copa Airlines (72%) and Lufthansa (72%).

  • What are the cheapest flights from District of Columbia to Louisville?

    On average you can expect to pay $321 for a flight from District of Columbia to Louisville. The cheapest flight overall is $138 while the most popular route, (Washington, D.C. Reagan-National - Louisville Intl) is currently priced at $209.

  • Can I find deals for flights from District of Columbia to Louisville that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Louisville.

  • Can I find deals for business class flights from District of Columbia to Louisville?

    Yes. Cheapflights offers flight deals from District of Columbia to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Louisville?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Louisville (average of $114). Flying from District of Columbia to Louisville in November is currently the most expensive (average of $189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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Top 4 airlines flying from District of Columbia to Louisville

Discover the top 4 airlines that operate flights from District of Columbia to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$312FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$311FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$408FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$195Average$309FlexibilityNo cancel feeOn-time63%

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