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$68+ Cheap flights from Louisville (SDF) to Washington, D.C. (WAS)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — WAS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Louisville Intl to Washington, D.C. are usually found in May or August, booked 62 days in advance, depart on a Friday or Wednesday and return on a Saturday

Cheap flight deals from Louisville to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$162
(Mytrip)

One-way from

$68
(Mytrip)

Popular in

January

Cheapest in

May

Average price

$249

Good round-trip deal

$219 or less

Good one-way deal

$138 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Washington, D.C. (WAS) flights.
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From Louisville Intl to Washington, D.C. (WAS)
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One-way flight from Louisville Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Louisville Intl to Washington, D.C. (WAS).
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Price to beat on a one-way flight from Louisville Intl to Washington, D.C. (WAS).
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Find flight deals from Louisville to Washington, D.C.

Cheapest flights from Louisville to Washington, D.C.
Explore the most affordable flight options available from Louisville to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/15:12 pmSDF - BWI
1 stop27h 13mSpirit Airlines
Mon 4/76:16 pmBWI - SDF
1 stop28h 42mSpirit Airlines
Deal found 2/18$162
This American Airlines deal was found by Cheapflights users on 2/20. 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 9/36:06 amSDF - DCA
Nonstop1h 44mAmerican Airlines
Sat 9/67:45 pmDCA - SDF
Nonstop1h 49mAmerican Airlines
Deal found 2/20$189
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/1310:05 amSDF - IAD
Nonstop1h 37mUnited Airlines
Mon 3/178:40 amIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 2/18$189
This Delta deal was found by Cheapflights users on 2/19. 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 4/16:59 pmSDF - DCA
1 stop4h 41mDelta
Wed 4/26:00 amDCA - SDF
1 stop4h 00mDelta
Deal found 2/19$199
This Delta deal was found by Cheapflights users on 2/19. 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 3/127:35 amSDF - IAD
1 stop3h 58mDelta
Tue 3/257:35 amIAD - SDF
1 stop4h 27mDelta
Deal found 2/19$199
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:22 pmSDF - BWI
1 stop6h 35mMultiple Airlines
Tue 3/116:50 amBWI - SDF
1 stop11h 31mMultiple Airlines
Deal found 2/20$210
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/511:21 amSDF - DCA
1 stop5h 04mUnited Airlines
Wed 3/129:00 amDCA - SDF
1 stop4h 32mUnited Airlines
Deal found 2/19$210
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/136:50 amSDF - DCA
1 stop5h 35mSouthwest
Sun 3/166:05 amDCA - SDF
1 stop4h 15mSouthwest
Deal found 2/20$233
This Southwest deal was found by Cheapflights users on 2/19. 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 3/118:55 amSDF - BWI
Nonstop1h 30mSouthwest
Tue 3/116:40 pmBWI - SDF
1 stop4h 05mSouthwest
Deal found 2/19$247
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/128:15 pmSDF - IAD
1 stop3h 48mAmerican Airlines
Sat 5/175:00 amIAD - SDF
1 stop6h 41mAmerican Airlines
Deal found 2/20$258
This Delta deal was found by Cheapflights users on 2/19. 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 3/147:35 amSDF - BWI
1 stop3h 58mDelta
Thu 3/276:00 amBWI - SDF
1 stop4h 00mDelta
Deal found 2/19$272
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/298:00 pmSDF - IAD
3 stops24h 12mMultiple Airlines
Sun 6/18:22 pmIAD - SDF
1 stop14h 14mMultiple Airlines
Deal found 2/19$288

Find flights from Louisville to Washington, D.C. within your budget

Customize your flight search to find flights from Louisville to Washington, D.C. 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 20, 2025.

Fly from

Louisville

Fly to

Washington, D.C.

Route

Depart

Return

Price

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Tue 4/1

5:12 pm-8:25 pm

1 stop27h 13m

Baltimore/Washington

Mon 4/7

6:16 pm-10:58 pm

1 stop28h 42m

$162

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 3/5

5:39 am-7:19 am

Nonstop1h 40m

Washington, D.C. Reagan-National

Wed 3/12

7:54 pm-9:59 pm

Nonstop2h 05m

$189

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 3/13

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 3/16

5:45 pm-7:38 pm

Nonstop1h 53m

$190

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Tue 4/1

4:18 pm-8:55 pm

1 stop4h 37m

Washington, D.C. Reagan-National

Tue 4/8

6:00 am-11:56 am

1 stop5h 56m

$199

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Wed 3/12

7:35 am-11:33 am

1 stop3h 58m

Washington, D.C. Dulles Intl

Tue 3/25

7:35 am-12:02 pm

1 stop4h 27m

$199

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Fri 3/7

6:22 pm-12:57 am

1 stop6h 35m

Baltimore/Washington

Tue 3/11

6:50 am-6:21 pm

1 stop11h 31m

$210

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Wed 3/5

11:21 am-4:25 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Wed 3/12

9:00 am-1:32 pm

1 stop4h 32m

$210

LouisvilleWashington, D.C.

SDF - DCA

SDFDCA

Louisville Intl

Thu 3/13

6:50 am-12:25 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Sun 3/16

6:05 am-10:20 am

1 stop4h 15m

$233

LouisvilleBaltimore

SDF - BWI

SDFBWI

Louisville Intl

Tue 3/11

8:55 am-10:25 am

Nonstop1h 30m

Baltimore/Washington

Tue 3/11

6:40 pm-10:45 pm

1 stop4h 05m

$247

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 5/29

3:55 pm-8:12 pm

2 stops28h 17m

Washington, D.C. Dulles Intl

Sun 6/1

8:22 pm-10:36 am

1 stop14h 14m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 30 results
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Compare providers for flights from Louisville to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Washington, D.C. in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Travel insights for flights from Louisville to Washington, D.C.

Get recent, data-driven insights about flights from Louisville to Washington, D.C. including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Louisville to Washington, D.C.?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Washington, D.C.. Price data was last updated on February 14, 2025.

Booking 62 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Louisville to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Louisville to Washington, D.C. (average of $309). Flying from Louisville to Washington, D.C. in June is currently the most expensive (average of $389). 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 WAS?

Find hourly flight availability from Louisville to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 74% on flights from Louisville to Washington, D.C. by exploring options for tickets in the evening.

What is the cheapest day to fly from Louisville to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Washington, D.C.. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Louisville to Washington, D.C. flight should consider departing on Wednesday evenings 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.

Weekly flight availability from Louisville to Washington, D.C.

Explore weekly flight availability from Louisville to Washington, D.C.. 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 20, 2025.

The most flights from SDF to WAS are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated February 20, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Louisville to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Washington, D.C.. 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 Washington, D.C.?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Washington, D.C.. On average, Louisville Intl has 8 outbound flights to Washington, D.C. per day from 5 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • What are the cheapest airlines flying from Louisville to Washington, D.C. round-trip?

    Spirit Airlines, at $162, was found to be the cheapest airline from Louisville to Washington, D.C..Alternate airlines to your destination round-trip include American Airlines and United Airlines. You may be able to fly from Louisville to Washington, D.C. for 36% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Louisville to Washington, D.C. one-way?

    One-way options have recently been found by users for as low as $68 on Spirit Airlines. Other airlines that offer cheap prices include American Airlines from $80 and United Airlines from $90 one-way.

  • What are the most popular routes from Louisville to Washington, D.C.?

    Most travelers choose Louisville Intl - Washington, D.C. Dulles Intl, Louisville Intl - Washington, D.C. Reagan-National or Louisville Intl - Baltimore/Washington when deciding on the best route from Louisville to Washington, D.C..

  • What are the most reliable airlines from Louisville to Washington, D.C.?

    No one likes to see their flight delayed. When booking a flight from Louisville to Washington, D.C. consider choosing Air Canada (90%), Republic Airways (90%) or United Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Louisville to Washington, D.C.?

    Looking for the cheapest flight from Louisville to Washington, D.C.? While on average our users pay $754, our data indicates the cheapest price to be $123. The most popular route (Louisville Intl - Washington, D.C. Dulles Intl), is priced around $179.

  • Can I find deals for flights from Louisville to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Louisville to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Washington, D.C.?

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

  • Can I find deals for business class flights from Louisville to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Louisville to Washington, D.C. 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 Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Washington, D.C. (average of $309). Flying from Louisville to Washington, D.C. in June is currently the most expensive (average of $389). 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
Arlington
Alexandria
Fairfax
Springfield
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Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
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Falls Church
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Gettysburg

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Louisville to Washington, D.C.

Discover the top 5 airlines that operate flights from Louisville to Washington, D.C.. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$158Average$187FlexibilityNo cancel feeOn-time65%
DeltaCheapest$177Average$278FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$318FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$266FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$238Average$330FlexibilityNo cancel feeOn-time63%
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