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$35+ Cheap flights from Washington, D.C. (WAS) to Kentucky

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SDF
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Kentucky

Keep the following information in mind while searching for Washington, D.C. to Kentucky flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$100
(Cheapflightsfares)

One-way from

$35
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$340

Good round-trip deal

$219 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
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From Washington, D.C. (WAS) to Kentucky
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One-way flight from Washington, D.C. (WAS) to Kentucky
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Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Kentucky.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Kentucky.
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Find flight deals from Washington, D.C. to Kentucky

Cheapest flights from Washington, D.C. to Kentucky
Explore the most affordable flight options available from Washington, D.C. to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Flightnetwork deal was found by Cheapflights users on 11/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Sun 12/75:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 11/2$103
This Frontier deal was found by Cheapflights users on 11/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/155:48 amBWI - CVG
1 stop10h 45mFrontier
Mon 11/1712:52 pmCVG - BWI
1 stop11h 21mFrontier
Deal found 11/1$110
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:37 amBWI - CVG
1 stop11h 08mFrontier
Fri 12/126:00 amCVG - BWI
1 stop13h 43mFrontier
Deal found 11/2$124
This Booking.com deal was found by Cheapflights users on 11/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:37 amBWI - CVG
1 stop26h 15mFrontier
Mon 12/155:05 amCVG - BWI
1 stop15h 11mFrontier
Deal found 11/2$125
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:45 amBWI - CVG
1 stop5h 04mFrontier
Sat 12/611:57 amCVG - BWI
1 stop19h 21mFrontier
Deal found 11/3$130
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/47:57 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Sun 12/78:30 amTYS - IAD
1 stop11h 54mMultiple Airlines
Deal found 11/2$133
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/59:20 pmIAD - TYS
1 stop22h 22mMultiple Airlines
Sun 12/75:23 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Deal found 11/2$136
This Frontier deal was found by Cheapflights users on 11/2. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/54:36 pmBWI - CVG
1 stop6h 12mFrontier
Sun 12/712:02 pmCVG - BWI
1 stop7h 50mFrontier
Deal found 11/2$138
This Booking.com deal was found by Cheapflights users on 11/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:37 amBWI - CVG
1 stop14h 47mFrontier
Sun 12/145:05 amCVG - BWI
1 stop26h 37mFrontier
Deal found 11/1$139
This Priceline deal was found by Cheapflights users on 11/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:52 pmBWI - BNA
1 stop7h 27mMultiple Airlines
Mon 11/178:51 amBNA - BWI
1 stop5h 16mMultiple Airlines
Deal found 11/2$139
This Priceline deal was found by Cheapflights users on 11/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:55 amBWI - CVG
1 stop4h 54mFrontier
Sun 12/712:02 pmCVG - BWI
1 stop7h 50mFrontier
Deal found 11/3$142
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/208:23 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Sun 11/2312:59 pmTYS - IAD
1 stop18h 46mMultiple Airlines
Deal found 11/2$143

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Kentucky 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 November 3, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Kentucky that are best for you.

Fly from

Washington, D.C.

Fly to

Kentucky

Route

Depart

Return

Price

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Fri 1/9

12:23 pm-1:05 am

1 stop12h 42m

Cincinnati Cinci./N. Kentucky

Sun 1/11

7:16 pm-7:47 am

1 stop12h 31m

$138

BaltimoreNashville

BWI - BNA

BWIBNA

Baltimore/Washington

Fri 1/16

6:15 am-7:30 am

Nonstop2h 15m

Nashville Intl

Sun 1/18

7:35 am-10:25 am

Nonstop1h 50m

$141

BaltimoreNashville

BWI - BNA

BWIBNA

Baltimore/Washington

Tue 1/6

8:45 am-7:43 pm

1 stop11h 58m

Nashville Intl

Wed 1/14

8:54 pm-11:38 pm

Nonstop1h 44m

$146

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/14

10:14 am-10:17 pm

1 stop12h 03m

Knoxville McGhee Tyson

Mon 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

$150

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/28

12:55 pm-2:43 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Tue 12/2

5:45 am-7:28 am

Nonstop1h 43m

$189

Washington, D.C.Nashville

DCA - BNA

DCABNA

Washington, D.C. Reagan-National

Sun 1/25

6:15 am-10:10 am

1 stop4h 55m

Nashville Intl

Wed 1/28

9:50 am-5:35 pm

1 stop6h 45m

$190

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Mon 11/17

4:52 pm-12:11 am

1 stop7h 19m

Cincinnati Cinci./N. Kentucky

Tue 11/18

10:24 am-12:55 pm

2 stops26h 31m

$192

Washington, D.C.Cincinnati

DCA - CVG

DCACVG

Washington, D.C. Reagan-National

Wed 12/17

4:11 pm-5:52 pm

Nonstop1h 41m

Cincinnati Cinci./N. Kentucky

Sun 1/4

6:35 am-8:17 am

Nonstop1h 42m

$194

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Fri 1/23

10:48 am-6:04 pm

1 stop7h 16m

Louisville Intl

Mon 1/26

6:00 am-8:50 am

1 stop26h 50m

$195

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Sat 11/15

11:29 am-6:43 pm

1 stop7h 14m

Cincinnati Cinci./N. Kentucky

Mon 11/17

6:09 pm-12:55 pm

2 stops18h 46m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Kentucky

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

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

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Kentucky (average of $141). Flying from Washington, D.C. to Kentucky in November is currently the most expensive (average of $209). 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 WAS to KY?

Find hourly flight availability from Washington, D.C. to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

When flying from Washington, D.C. to Kentucky, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Kentucky. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Washington, D.C. to Kentucky. 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 November 3, 2025.

The most flights from WAS to USKY 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).

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

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. to Kentucky to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

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
4,238 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

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
7.9
Good
8,002 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

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
8,997 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

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
11,038 reviews
Southwest
8.0
Very good
4,238 reviews

Crew

8.6

Entertainment

7.5

Comfort

8.0

Overall

8.0

Food

7.0

Boarding

8.1

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 Washington, D.C. to Kentucky. 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 Washington, D.C. to Kentucky?

    There are many flights that can get you from Washington, D.C. to Kentucky in 2h 15m. Fly via Frontier, Southwest, or Spirit Airlines to get the fastest option. The distance from Washington, D.C. to Kentucky is about 586 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $35. Users have also found prices from $68 and $71 on Allegiant Air and Southwest, respectively.

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

    When deciding which route to take from Washington, D.C. to Kentucky consider Washington, D.C. Reagan-National - Nashville Intl, Washington, D.C. Dulles Intl - Nashville Intl or Baltimore/Washington - Nashville Intl as they are the most popular.

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

    Before booking your flight to Kentucky from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Republic Airways (100%), Air Canada (90%), Lufthansa( 90%).

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

    Looking for the cheapest flight from Washington, D.C. to Kentucky? While on average our users pay $284, our data indicates the cheapest price to be $128. The most popular route (Washington, D.C. Reagan-National - Nashville Intl), is priced around $159.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. to Kentucky (average of $141). Flying from Washington, D.C. to Kentucky in November is currently the most expensive (average of $209). 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

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Alternative routes for Washington, D.C. to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Washington, D.C. to Kentucky

Discover the top 4 airlines that operate flights from Washington, D.C. to Kentucky. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$299FlexibilityNo cancel feeOn-time69%
DeltaCheapest$189Average$305FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$189Average$375FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$196Average$314FlexibilityNo cancel feeOn-time63%

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