HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$94+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 15, 2025.

Round-trip from

$189
(American Airlines)

One-way from

$94
(Southwest)

Popular in

August

Cheapest in

June

Average price

$268

Good round-trip deal

$273 or less

Good one-way deal

$169 or less
From Louisville Intl to District of Columbia
Search Deals
One-way flight from Louisville Intl to District of Columbia
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Louisville Intl to District of Columbia.
Search Deals
Price to beat on a one-way flight from Louisville Intl to District of Columbia.
Search Deals

Find 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 September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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 12/124:57 pmSDF - DCA
Nonstop1h 46mAmerican Airlines
Mon 12/157:45 pmDCA - SDF
Nonstop1h 53mAmerican Airlines
Deal found 9/14$189
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/19:55 amSDF - IAD
Nonstop1h 38mUnited Airlines
Sun 11/212:50 pmIAD - SDF
Nonstop1h 55mUnited Airlines
Deal found 9/15$189
This Delta deal was found by Cheapflights users on 9/12. 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 11/13:11 pmSDF - IAD
1 stop4h 13mDelta
Mon 11/35:52 pmIAD - SDF
1 stop6h 09mDelta
Deal found 9/12$190
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:25 amSDF - DCA
1 stop3h 35mSouthwest
Wed 10/226:10 amDCA - SDF
1 stop8h 15mSouthwest
Deal found 9/15$192
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/19:55 amSDF - IAD
Nonstop1h 39mUnited Airlines
Sat 10/41:05 pmIAD - SDF
Nonstop1h 46mUnited Airlines
Deal found 9/13$194
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/19:55 amSDF - IAD
Nonstop1h 38mUnited Airlines
Mon 11/35:30 pmIAD - SDF
Nonstop1h 57mUnited Airlines
Deal found 9/12$198
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/309:55 amSDF - IAD
Nonstop1h 39mUnited Airlines
Sat 10/41:05 pmIAD - SDF
Nonstop1h 46mUnited Airlines
Deal found 9/14$199
This Delta deal was found by Cheapflights users on 9/14. 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 11/86:00 amSDF - DCA
1 stop6h 27mDelta
Tue 11/116:06 amDCA - SDF
1 stop3h 53mDelta
Deal found 9/14$203
This Delta deal was found by Cheapflights users on 9/14. 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 11/810:30 amSDF - IAD
1 stop5h 59mDelta
Tue 11/117:01 amIAD - SDF
1 stop7h 03mDelta
Deal found 9/14$203
This Southwest deal was found by Cheapflights users on 9/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:55 pmSDF - DCA
1 stop7h 00mSouthwest
Wed 11/128:15 amDCA - SDF
2 stops8h 55mSouthwest
Deal found 9/15$208
This Southwest deal was found by Cheapflights users on 9/14. 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.
Fri 12/1212:25 pmSDF - DCA
1 stop6h 15mSouthwest
Mon 12/151:15 pmDCA - SDF
1 stop3h 55mSouthwest
Deal found 9/14$209
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/127:59 pmSDF - IAD
1 stop4h 17mDelta
Mon 12/157:21 pmIAD - SDF
1 stop4h 44mDelta
Deal found 9/15$209

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 September 15, 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 - IAD

SDFIAD

Louisville Intl

Sat 11/1

2:35 pm-4:11 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 11/5

5:30 pm-7:27 pm

Nonstop1h 57m

$189

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 10/23

2:03 pm-3:45 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 10/25

7:00 pm-8:48 pm

Nonstop1h 48m

$189

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 10/21

6:25 am-10:00 am

1 stop3h 35m

Washington, D.C. Reagan-National

Wed 10/22

6:10 am-2:25 pm

1 stop8h 15m

$192

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 11/1

9:55 am-11:33 am

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 11/3

5:30 pm-7:27 pm

Nonstop1h 57m

$198

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Sat 11/8

6:00 am-12:27 pm

1 stop6h 27m

Washington, D.C. Reagan-National

Tue 11/11

6:06 am-9:59 am

1 stop3h 53m

$203

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 11/18

5:10 pm-10:35 pm

1 stop5h 25m

Washington, D.C. Reagan-National

Sat 11/22

6:40 pm-11:15 pm

1 stop4h 35m

$203

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 12/12

7:59 pm-12:16 am

1 stop4h 17m

Washington, D.C. Dulles Intl

Mon 12/15

7:21 pm-12:05 am

1 stop4h 44m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Fri 12/12

12:25 pm-6:40 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Mon 12/15

1:15 pm-5:10 pm

1 stop3h 55m

$209

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Sat 11/1

10:30 am-4:29 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Sun 11/2

5:05 am-8:50 am

1 stop3h 45m

$209

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 10/30

6:15 am-12:25 pm

1 stop6h 10m

Washington, D.C. Reagan-National

Fri 10/31

6:00 am-12:30 pm

1 stop6h 30m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 40 results
1
2
3
4

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, August is the cheapest month in which you can book a flight from Louisville to District of Columbia (average of $292). Flying from Louisville to District of Columbia in April is currently the most expensive (average of $337). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to District of Columbia as you normally would.

Weekly flight availability from Louisville to District of Columbia

Explore weekly flight availability from Louisville to District of Columbia. 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 September 15, 2025.

The most flights from SDF to USDC are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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 September 15, 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.
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,954 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,929 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Overall

8.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 1h 36m. Fly via United Airlines, Southwest, or Delta to get the fastest option. The distance from Louisville to District of Columbia is about 450 mi. This flight may include one or multiple stops.

  • 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 Republic Airways (97%), Copa Airlines (92%) or United Airlines (90%) 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 $148. On average you can expect to pay $964. The most popular route, (Louisville Intl - Washington, D.C. Reagan-National), can usually be booked for $130.

  • 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, August is the cheapest month in which you can book a flight from Louisville to District of Columbia (average of $292). Flying from Louisville to District of Columbia in April is currently the most expensive (average of $337). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to John F Kennedy Intl flights
Cincinnati to Orlando flights
Cincinnati to Las Vegas flights
Cincinnati to LaGuardia flights
Nashville to LaGuardia flights
Nashville to John F Kennedy Intl flights
Cincinnati to Newark flights
Cincinnati to Denver flights
Cincinnati to Boston flights
Nashville to Las Vegas flights
Cincinnati to Tampa flights
Cincinnati to Sky Harbor Intl flights
Cincinnati to Dallas/Fort Worth flights
Cincinnati to Atlanta flights
Cincinnati to Seattle flights
Cincinnati to Fort Lauderdale flights
Louisville to LaGuardia flights
Cincinnati to Miami flights
Nashville to Newark flights
Nashville to Denver flights
Cincinnati to Los Angeles flights
Nashville to Orlando flights
Nashville to Los Angeles flights
Nashville to Dallas/Fort Worth flights
Nashville to Seattle flights
Cincinnati to Minneapolis flights
Louisville to Newark flights
Nashville to Boston flights
Cincinnati to Fort Myers flights
Cincinnati to Hobby flights
Nashville to Miami flights
Louisville to Boston flights
Nashville to Fort Lauderdale flights
Louisville to John F Kennedy Intl flights
Nashville to O'Hare Intl flights
Knoxville to O'Hare Intl flights
Nashville to Hobby flights
Knoxville to LaGuardia flights
Cincinnati to O'Hare Intl flights
Louisville to Las Vegas flights
Cincinnati to Orlando Sanford Intl flights
Cincinnati to George Bush Intcntl flights
Nashville to Salt Lake City flights
Louisville to Orlando flights
Nashville to Sky Harbor Intl flights
Nashville to George Bush Intcntl flights
Louisville to Miami flights
Cincinnati to New Orleans flights
Lexington to LaGuardia flights
Knoxville to Las Vegas flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$183Average$325FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$188Average$332FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$286FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$342FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.