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Washington, D.C.

$48+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — WAS
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 February 5, 2026.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:56 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 2/228:30 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/2$73
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:20 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/89:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/3$74
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:53 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/18:27 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/3$75
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:11 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 2/158:45 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/3$78
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/225:56 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/89:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/4$79
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 3/193:42 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/1$98
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:20 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Thu 3/129:04 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/2$105
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/3112:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Mon 8/103:30 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 2/2$113
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 3/126:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/223:42 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/4$119
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:20 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 3/159:04 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 2/4$127
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:07 pm
CVG
-
BWI
1 stop11h 24m
Frontier
Mon 2/236:00 am
BWI
-
CVG
1 stop11h 32m
Frontier
Deal found 2/3$131
This Mytrip deal was found by Cheapflights users on 2/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:30 am
BNA
-
BWI
1 stop8h 16m
Spirit Airlines
Wed 3/1110:06 am
BWI
-
BNA
1 stop10h 42m
Spirit Airlines
Deal found 2/4$132

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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$73
(Kiwi.com)

One-way from

$48
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$249

Good round-trip deal

$233 or less

Good one-way deal

$186 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. 2% potential increase in price ($7 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 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 February 5, 2026.
Use the filters below to find and compare flights from Kentucky to Washington, D.C. that are best for you.

Fly from

Kentucky

Fly to

Washington, D.C.

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 3/12

6:30 am-8:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 3/22

3:42 pm-5:22 pm

Nonstop1h 40m

$119

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sun 2/22

5:56 pm-7:40 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 3/15

9:04 am-10:44 am

Nonstop1h 40m

$134

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Tue 4/7

8:35 am-6:20 pm

2 stops9h 45m

Baltimore/Washington

Wed 4/8

9:20 pm-10:55 pm

Nonstop1h 35m

$148

NashvilleBaltimore

BNA - BWI

BNABWI

Nashville Intl

Fri 2/27

8:52 pm-9:06 am

1 stop11h 14m

Baltimore/Washington

Mon 3/2

10:06 am-7:25 am

1 stop22h 19m

$154

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Wed 4/29

6:02 pm-10:57 pm

1 stop4h 55m

Baltimore/Washington

Mon 5/4

7:29 pm-12:11 am

1 stop4h 42m

$169

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Mon 4/27

4:00 pm-5:30 pm

Nonstop1h 30m

Baltimore/Washington

Thu 4/30

9:50 pm-11:25 pm

Nonstop1h 35m

$171

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 4/22

2:25 pm-4:10 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Mon 4/27

9:00 am-10:50 am

Nonstop1h 50m

$173

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 4/8

9:40 am-11:25 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sat 4/11

1:20 pm-3:09 pm

Nonstop1h 49m

$173

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 4/22

9:40 am-11:25 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 4/26

9:00 am-10:50 am

Nonstop1h 50m

$176

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Thu 3/19

7:41 pm-2:24 pm

1 stop18h 43m

Baltimore/Washington

Mon 3/23

3:19 pm-6:33 pm

1 stop27h 14m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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.

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 April 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 February 5, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 48% 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 January 31, 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. Friday 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 February 5, 2026.

The most flights from USKY 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 (7 on average).

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 44m. Allegiant Air provides one of the quickest options available for as low as $73. The distance from Kentucky to Washington, D.C. is about 419 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 Nashville Intl - Washington, D.C. Dulles Intl or Nashville Intl - Baltimore/Washington, 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: Lufthansa (78%), Air Canada (77%), Copa Airlines (77%).

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

    On average you can expect to pay $897 for a flight from Kentucky to Washington, D.C.. The cheapest flight overall is $228 while the most popular route, (Nashville Intl - Washington, D.C. Reagan-National) is currently priced at $163.

  • 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 April 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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
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George Bush Intcntl to Dulles Intl flights
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San Diego to Dulles Intl flights
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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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$333FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$318FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$179Average$328FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$189Average$290FlexibilityNo cancel feeOn-time69%

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