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Washington, D.C.

$36+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — WAS
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 10, 2026.

This Trip.com deal was found by Cheapflights users on 5/8. 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 6/512:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Fri 6/123:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 5/8$78
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 6/1512:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Fri 6/193:19 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 5/7$80
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 5/2912:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Fri 6/53:06 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Deal found 5/8$81
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 5/10$93
This Booking.com deal was found by Cheapflights users on 5/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Fri 7/173:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 5/9$94
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 5/1411:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Sun 5/172:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Deal found 5/9$113
This Kiwi.com deal was found by Cheapflights users on 5/6. 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 5/2912:46 pm
CVG
-
BWI
1 stop5h 42m
Frontier
Sun 5/319:43 pm
BWI
-
CVG
1 stop13h 58m
Frontier
Deal found 5/6$122
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/1912:54 pm
CVG
-
BWI
1 stop10h 06m
Frontier
Sun 8/239:32 pm
BWI
-
CVG
1 stop14h 17m
Frontier
Deal found 5/5$123
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/1112:24 pm
CVG
-
BWI
1 stop5h 37m
Frontier
Mon 6/156:28 am
BWI
-
CVG
1 stop5h 21m
Frontier
Deal found 5/5$124
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 stop10h 06m
Frontier
Mon 6/156:28 am
BWI
-
CVG
1 stop5h 21m
Frontier
Deal found 5/8$125
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 8/2512:12 pm
CVG
-
BWI
1 stop10h 48m
Frontier
Sat 8/299:49 pm
BWI
-
CVG
1 stop13h 25m
Frontier
Deal found 5/5$126
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/2812:12 pm
CVG
-
BWI
1 stop19h 31m
Frontier
Mon 6/19:23 pm
BWI
-
CVG
1 stop13h 41m
Frontier
Deal found 5/5$127

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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Trip.com)

One-way from

$36
(Trip.com)

Popular in

March

Cheapest in

November

Average price

$264

Good round-trip deal

$279 or less

Good one-way deal

$193 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 ($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 10, 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

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Wed 7/1

4:30 pm-5:55 pm

Nonstop1h 25m

Baltimore/Washington

Wed 7/8

9:25 pm-11:05 pm

Nonstop1h 40m

$137

CincinnatiBaltimore

CVG - BWI

CVGBWI

Cincinnati Cinci./N. Kentucky

Wed 7/1

7:00 am-4:25 pm

2 stops9h 25m

Baltimore/Washington

Tue 7/7

2:30 pm-8:25 pm

2 stops5h 55m

$167

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 6/3

5:59 pm-12:51 am

1 stop6h 52m

Washington, D.C. Dulles Intl

Wed 6/10

6:00 am-9:53 am

1 stop3h 53m

$207

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 6/4

5:59 pm-12:51 am

1 stop6h 52m

Washington, D.C. Dulles Intl

Tue 6/9

6:00 am-11:09 am

1 stop5h 09m

$222

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 6/18

10:10 am-11:55 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 6/21

9:00 am-10:42 am

Nonstop1h 42m

$227

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Fri 9/4

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 9/8

8:31 am-10:14 am

Nonstop1h 43m

$238

CincinnatiWashington, D.C.

CVG - DCA

CVGDCA

Cincinnati Cinci./N. Kentucky

Sat 7/11

2:10 pm-6:59 pm

1 stop4h 49m

Washington, D.C. Reagan-National

Mon 7/13

7:30 pm-9:15 pm

Nonstop1h 45m

$245

NashvilleWashington, D.C.

BNA - DCA

BNADCA

Nashville Intl

Sat 6/6

6:05 am-3:43 pm

1 stop8h 38m

Washington, D.C. Reagan-National

Mon 6/8

2:55 pm-10:18 pm

1 stop8h 23m

$247

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 7/2

10:18 am-11:52 am

Nonstop1h 34m

Washington, D.C. Dulles Intl

Sun 7/5

9:00 am-10:45 am

Nonstop1h 45m

$249

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 6/13

7:45 pm-9:27 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Mon 6/15

9:00 am-10:45 am

Nonstop1h 45m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

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 10, 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 9, 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 10, 2026.

The most flights from USKY to WAS are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 25m. Southwest provides one of the quickest options available for as low as $137. 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 Nashville Intl - Washington, D.C. Dulles Intl or Cincinnati Cinci./N. Kentucky - 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 $611 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
Arlington
Springfield
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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.
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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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$373FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$329FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$179Average$345FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$189Average$287FlexibilityNo cancel feeOn-time69%

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