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Washington, D.C.

$38+ Cheap flights from Kentucky 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — WAS
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
1 adult, Economy
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Cheap flight deals from Kentucky to Washington, D.C.

Cheapest flights from Kentucky to Washington, D.C.
Explore the most affordable flight options available from Kentucky to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 5, 2026.

This Trip.com deal was found by Cheapflights users on 5/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1411:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 5/172:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 5/3$80
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Mon 6/153:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 4/30$81
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Fri 6/263:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 5/1$82
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Mon 5/253:08 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Deal found 5/1$88
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Fri 5/293:08 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Deal found 5/4$105
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:46 pm
CVG
-
BWI
1 stop10h 11m
Frontier
Mon 6/89:23 pm
BWI
-
CVG
1 stop13h 51m
Frontier
Deal found 5/2$121
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:54 pm
CVG
-
BWI
1 stop10h 06m
Frontier
Mon 6/229:32 pm
BWI
-
CVG
1 stop13h 42m
Frontier
Deal found 5/4$123
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1212:54 pm
CVG
-
BWI
1 stop5h 38m
Frontier
Sat 6/131:29 pm
BWI
-
CVG
1 stop21h 45m
Frontier
Deal found 4/30$126
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:19 pm
TYS
-
IAD
1 stop22h 31m
Multiple Airlines
Mon 6/13:08 pm
IAD
-
TYS
Nonstop1h 32m
Multiple Airlines
Deal found 5/1$132
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:27 pm
TYS
-
IAD
2 stops21h 45m
Multiple Airlines
Fri 6/53:06 pm
IAD
-
TYS
Nonstop1h 34m
Multiple Airlines
Deal found 5/3$136
This Southwest deal was found by Cheapflights users on 5/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:50 pm
CVG
-
BWI
Nonstop1h 30m
Southwest
Wed 5/279:20 pm
BWI
-
CVG
Nonstop1h 35m
Southwest
Deal found 5/3$137
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:12 pm
CVG
-
BWI
1 stop19h 31m
Frontier
Tue 6/93:09 pm
BWI
-
CVG
1 stop8h 37m
Frontier
Deal found 5/3$140

Find flight deals from Kentucky to Washington, D.C.

Keep the following information in mind while searching for Kentucky to Washington, D.C. flight deals. Data was last updated May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$80
(Trip.com)

One-way from

$38
(Super.com)

Popular in

April

Cheapest in

November

Average price

$284

Good round-trip deal

$279 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Washington, D.C. (WAS) flights.
Search Deals
From Kentucky to Washington, D.C. (WAS)
Search Deals
One-way flight from Kentucky to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($28 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 May 2026
Search Deals
Price to beat on a round-trip flight from Kentucky to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Kentucky to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 May 5, 2026.
Use the filters below to find and compare flights from Kentucky to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 6/19

1:02 pm-2:29 pm

Nonstop1h 27m

Washington, D.C. Dulles Intl

Mon 6/22

7:30 am-9:50 pm

2 stops14h 20m

$148

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Tue 6/2

6:00 pm-11:17 pm

1 stop5h 17m

Baltimore/Washington

Tue 6/9

10:33 am-4:42 pm

1 stop6h 09m

$157
Quickest round-trip

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Sat 5/23

3:55 pm-5:25 pm

Nonstop1h 30m

Baltimore/Washington

Wed 5/27

9:20 pm-10:55 pm

Nonstop1h 35m

$164

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Wed 5/27

5:48 am-10:44 am

1 stop4h 56m

Baltimore/Washington

Sat 5/30

6:10 am-9:40 am

1 stop3h 30m

$179

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Thu 5/28

8:15 pm-12:15 am

1 stop4h 00m

Baltimore/Washington

Sat 5/30

10:35 am-12:10 pm

Nonstop1h 35m

$201

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Tue 6/2

6:15 am-7:50 am

Nonstop1h 35m

Baltimore/Washington

Tue 6/9

10:00 am-2:55 pm

1 stop4h 55m

$201

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 6/4

5:40 am-9:16 am

1 stop3h 36m

Washington, D.C. Dulles Intl

Tue 6/9

10:16 am-2:49 pm

1 stop4h 33m

$205

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 6/4

5:59 pm-9:45 pm

1 stop3h 46m

Washington, D.C. Reagan-National

Tue 6/9

8:00 am-2:49 pm

1 stop6h 49m

$205

KnoxvilleBaltimore

TYS - BWI

TYSBWI

Knoxville McGhee Tyson

Wed 6/10

8:10 am-9:45 am

Nonstop1h 35m

Baltimore/Washington

Sun 6/14

8:50 pm-10:25 pm

Nonstop1h 35m

$208

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 6/13

7:19 pm-9:03 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 6/15

10:10 pm-11:54 pm

Nonstop1h 44m

$217

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Washington, D.C.

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

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

The price you pay for your flight from Kentucky to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. (average of $108). Flying from Kentucky to Washington, D.C. in February 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 KY to WAS?

Find hourly flight availability from Kentucky 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 May 5, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 45% on flights from Kentucky to Washington, D.C. by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Kentucky to Washington, D.C.. Price data was last updated on May 2, 2026.

Travelers seeking maximum savings on their Kentucky to Washington, D.C. flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Kentucky 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 May 5, 2026.

The most flights from USKY to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Kentucky to Washington, D.C.?

Related info for your journey

Find useful and relevant information for your journey from Kentucky 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.

  • How long is the flight from Kentucky to Washington, D.C.?

    A quick flight from Kentucky to Washington, D.C. can take about 1h 30m. Delta provides one of the quickest options available for as low as $164. The distance from Kentucky to Washington, D.C. is about 428 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $89. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Kentucky to Washington, D.C. for a low price.

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

    While some choose either Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl or Nashville Intl - Washington, D.C. Dulles Intl, Nashville Intl - Washington, D.C. Reagan-National is the most popular route from Kentucky to Washington, D.C..

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kentucky to Washington, D.C. on time: Republic Airways (100%), Copa Airlines (97%), Air Canada (96%).

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

    On average you can expect to pay $566 for a flight from Kentucky to Washington, D.C.. The cheapest flight overall is $173 while the most popular route, (Nashville Intl - Washington, D.C. Reagan-National) is currently priced at $225.

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. (average of $108). Flying from Kentucky to Washington, D.C. in February 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

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 Kentucky to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Hobby to Reagan-National flights
San Francisco to Dulles Intl flights
Atlanta to Dulles Intl flights
Hobby to Dulles Intl flights
Seattle to Dulles Intl flights
Denver to Dulles Intl flights
Orlando to Dulles Intl flights
San Francisco to Reagan-National flights
O'Hare Intl to Reagan-National flights
Boston to Dulles Intl flights
Seattle to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Boston to Reagan-National flights
Orlando to Reagan-National flights
Tampa to Dulles Intl flights
Atlanta to Reagan-National flights
Austin to Dulles Intl flights
Miami to Reagan-National flights
Minneapolis to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Miami to Dulles Intl flights
Sky Harbor Intl to Dulles Intl flights
Denver to Reagan-National flights
San Diego to Dulles Intl flights
Austin to Reagan-National flights
Ontario to Dulles Intl flights
Detroit to Dulles Intl flights
Minneapolis to Reagan-National flights
Portland to Dulles Intl flights
Tampa to Reagan-National flights
Midway to Dulles Intl flights
Fort Lauderdale to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Ontario to Reagan-National flights
Love Field to Reagan-National flights
Salt Lake City to Dulles Intl flights
New Orleans to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Sky Harbor Intl to Reagan-National flights
LaGuardia to Dulles Intl flights
Sacramento to Dulles Intl flights
LaGuardia to Reagan-National flights
Nashville to Reagan-National flights
Detroit to Reagan-National flights

Top 4 airlines flying from Kentucky to Washington, D.C.

Discover the top 4 airlines that operate flights from Kentucky 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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$329FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$179Average$343FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$189Average$287FlexibilityNo cancel feeOn-time69%

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