District of Columbia

$95+ Cheap flights from Louisville (SDF) to District of Columbia

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Jan 17 — Jan 241
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Cheap flight deals from Louisville to District of Columbia

Cheapest flights from Louisville to District of Columbia
Explore the most affordable flight options available from Louisville to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/319:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
Sat 1/312:51 pmIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 12/17$219
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/249:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
Wed 12/3112:51 pmIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 12/16$232
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/299:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
Fri 1/25:15 pmIAD - SDF
Nonstop1h 56mUnited Airlines
Deal found 12/16$249
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/244:49 pmSDF - DCA
1 stop6h 07mDelta
Tue 12/306:49 pmDCA - SDF
1 stop5h 07mDelta
Deal found 12/16$252
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/244:49 pmSDF - IAD
1 stop6h 03mDelta
Wed 12/316:00 amIAD - SDF
1 stop7h 12mDelta
Deal found 12/16$252
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/1611:10 amSDF - DCA
Nonstop1h 44mAmerican Airlines
Sat 1/108:26 amDCA - SDF
Nonstop2h 12mAmerican Airlines
Deal found 12/16$254
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/209:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
Wed 1/215:45 pmIAD - SDF
Nonstop1h 58mUnited Airlines
Deal found 12/17$254
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/297:24 pmSDF - DCA
1 stop4h 24mAmerican Airlines
Fri 1/27:45 pmDCA - SDF
Nonstop1h 48mAmerican Airlines
Deal found 12/17$259
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:03 amSDF - DCA
Nonstop1h 39mAmerican Airlines
Fri 12/267:45 pmDCA - SDF
Nonstop1h 48mAmerican Airlines
Deal found 12/17$262
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/242:22 pmSDF - IAD
Nonstop1h 43mUnited Airlines
Fri 12/265:15 pmIAD - SDF
Nonstop1h 56mUnited Airlines
Deal found 12/15$262
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/308:05 amSDF - DCA
1 stop6h 18mAmerican Airlines
Fri 1/27:45 pmDCA - SDF
Nonstop1h 48mAmerican Airlines
Deal found 12/17$265
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/236:06 pmSDF - DCA
1 stop4h 44mDelta
Thu 1/15:35 pmDCA - SDF
1 stop5h 23mDelta
Deal found 12/16$269

Find flight deals from Louisville to District of Columbia

Keep the following information in mind while searching for Louisville to District of Columbia flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$194
(American Airlines)

One-way from

$95
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$259

Good round-trip deal

$228 or less

Good one-way deal

$237 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Washington, D.C. (WAS) flights.
From Louisville Intl to District of Columbia
One-way flight from Louisville Intl to District of Columbia
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Louisville Intl to District of Columbia.
Price to beat on a one-way flight from Louisville Intl to District of Columbia.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from Louisville to District of Columbia that are best for you.

Fly from

Louisville

Fly to

District of Columbia

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 2/19

3:33 pm-8:32 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Sat 2/21

7:00 am-1:52 pm

1 stop6h 52m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 1/13

6:45 am-1:00 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Tue 1/13

3:25 pm-10:10 pm

1 stop6h 45m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sun 1/18

3:37 pm-7:32 pm

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 1/24

6:04 am-10:01 am

1 stop3h 57m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 1/21

5:00 pm-9:23 pm

1 stop4h 23m

Washington, D.C. Reagan-National

Sat 1/24

6:04 am-10:01 am

1 stop3h 57m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 1/24

7:40 am-12:40 pm

1 stop5h 00m

Washington, D.C. Reagan-National

Sun 1/25

1:45 pm-9:05 pm

1 stop7h 20m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 1/21

12:25 pm-6:50 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Sun 1/25

8:00 am-2:36 pm

1 stop6h 36m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 1/17

10:30 am-3:00 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Mon 1/19

1:45 pm-9:05 pm

1 stop7h 20m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 2/27

6:33 pm-10:57 pm

1 stop4h 24m

Washington, D.C. Reagan-National

Sun 3/1

6:05 am-10:04 am

1 stop3h 59m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 2/6

5:00 pm-9:23 pm

1 stop4h 23m

Washington, D.C. Reagan-National

Mon 2/9

1:45 pm-9:05 pm

1 stop7h 20m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sun 1/25

5:00 pm-11:10 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Sat 1/31

1:04 pm-6:11 pm

1 stop5h 07m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 41 results
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Best time to book a flight from Louisville to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Louisville 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 Louisville to District of Columbia

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

Currently, October is the cheapest month in which you can book a flight from Louisville to District of Columbia (average of $108). Flying from Louisville to District of Columbia in June is currently the most expensive (average of $181). 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 SDF to DC?

Find hourly flight availability from Louisville to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

It’s optimal to fly from Louisville to District of Columbia in the afternoon. By choosing this option you can save up to 63% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Louisville to District of Columbia. Price data was last updated on December 13, 2025.

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

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Louisville to District of Columbia by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Food

7.0

Entertainment

7.5

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Louisville to District of Columbia. 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 from for flights from Louisville to District of Columbia?

    Located just 5.3 mi from the city center, Louisville Intl (SDF) is the airport most travelers will use when flying to District of Columbia from Louisville.

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

    There are many flights that can get you from Louisville to District of Columbia in 4h 59m. Fly via Delta or Southwest to get the fastest option. The distance from Louisville to District of Columbia is about 472 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $89. Delta flights start at $98 while deals on Southwest start at $102 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Louisville to District of Columbia consider choosing Lufthansa (88%), United Airlines (82%) or Copa Airlines (79%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Louisville to District of Columbia is $198. On average you can expect to pay $1,533. The most popular route, (Louisville Intl - Washington, D.C. Reagan-National), can usually be booked for $209.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to District of Columbia 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 Louisville to District of Columbia?

    Currently, October is the cheapest month in which you can book a flight from Louisville to District of Columbia (average of $108). Flying from Louisville to District of Columbia in June is currently the most expensive (average of $181). 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

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Alternative routes for Louisville to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Louisville to District of Columbia

Discover the top 4 airlines that operate flights from Louisville to District of Columbia. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$179Average$327FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$186Average$323FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$285FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$295FlexibilityNo cancel feeOn-timeN/A

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