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$33+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SDF
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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Cheap 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 July 7, 2026.

This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 8/312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/6$75
This Trip.com deal was found by Cheapflights users on 7/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/273:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Fri 7/3112:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/4$78
This Booking.com deal was found by Cheapflights users on 7/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/243:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 7/2712:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/5$80
This Trip.com deal was found by Cheapflights users on 7/3. 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.
Fri 7/103:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Fri 7/1712:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/3$91
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 10/13:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 10/41:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 7/5$100
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 11/228:32 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Sat 11/286:44 pm
TYS
-
IAD
Nonstop1h 29m
Allegiant Air
Deal found 7/2$127
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Fri 7/103:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 7/1312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/7$130
This Southwest deal was found by Cheapflights users on 7/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:25 pm
BWI
-
CVG
Nonstop1h 45m
Southwest
Tue 8/45:40 am
CVG
-
BWI
Nonstop1h 30m
Southwest
Deal found 7/2$133
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 8/86:35 am
BWI
-
CVG
1 stop5h 13m
Frontier
Mon 8/1012:53 pm
CVG
-
BWI
1 stop18h 33m
Frontier
Deal found 7/2$142
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sat 7/256:35 am
BWI
-
CVG
1 stop5h 13m
Frontier
Mon 7/2712:53 pm
CVG
-
BWI
1 stop18h 33m
Frontier
Deal found 7/2$144
This Cheapflightsfares deal was found by Cheapflights users on 7/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:10 pm
IAD
-
BNA
Nonstop1h 48m
Allegiant Air
Sun 7/2611:39 am
BNA
-
IAD
Nonstop1h 47m
Allegiant Air
Deal found 7/2$145
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Fri 7/313:16 pm
IAD
-
TYS
Nonstop1h 26m
Multiple Airlines
Mon 8/37:20 pm
TYS
-
IAD
1 stop17h 27m
Multiple Airlines
Deal found 7/7$148

Find 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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$75
(Super.com)

One-way from

$33
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$312

Good round-trip deal

$277 or less

Good one-way deal

$103 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
Search Deals
From Washington, D.C. (WAS) to Kentucky
Search Deals
One-way flight from Washington, D.C. (WAS) to Kentucky
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Kentucky.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Kentucky.
Search Deals

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 July 7, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Kentucky that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Wed 8/19

8:10 pm-9:45 pm

Nonstop1h 35m

Cincinnati Cinci./N. Kentucky

Mon 8/24

2:10 pm-3:40 pm

Nonstop1h 30m

$164

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Tue 7/28

7:35 pm-9:20 pm

Nonstop1h 45m

Knoxville McGhee Tyson

Sat 8/1

8:00 am-9:35 am

Nonstop1h 35m

$185

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Sat 8/15

11:10 am-12:40 pm

Nonstop1h 30m

Cincinnati Cinci./N. Kentucky

Tue 8/18

7:00 am-11:35 am

1 stop4h 35m

$205

BaltimoreLouisville

BWI - SDF

BWISDF

Baltimore/Washington

Thu 8/13

8:55 pm-10:35 pm

Nonstop1h 40m

Louisville Intl

Mon 8/17

8:30 am-10:10 am

Nonstop1h 40m

$217

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 7/24

10:10 pm-11:54 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Sat 7/25

5:45 am-7:30 am

Nonstop1h 45m

$224

BaltimoreKnoxville

BWI - TYS

BWITYS

Baltimore/Washington

Thu 8/27

6:15 pm-7:55 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Mon 8/31

1:00 pm-8:15 pm

1 stop7h 15m

$227

Washington, D.C.Cincinnati

DCA - CVG

DCACVG

Washington, D.C. Reagan-National

Wed 9/2

9:39 am-1:42 pm

1 stop4h 03m

Cincinnati Cinci./N. Kentucky

Tue 9/8

5:10 pm-6:47 pm

Nonstop1h 37m

$232

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

Sat 8/15

12:35 pm-2:09 pm

Nonstop1h 34m

Cincinnati Cinci./N. Kentucky

Mon 8/17

7:50 pm-9:30 pm

Nonstop1h 40m

$234

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Wed 9/16

8:00 am-2:55 pm

1 stop6h 55m

Cincinnati Cinci./N. Kentucky

Fri 9/18

7:05 am-2:40 pm

2 stops7h 35m

$236

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 8/8

10:10 pm-11:54 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Sat 8/15

7:20 pm-9:04 pm

Nonstop1h 44m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from Washington, D.C. to Kentucky (average of $81). Flying from Washington, D.C. to Kentucky in May is currently the most expensive (average of $205). 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 July 7, 2026.

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 afternoon, which can drop the price by up to 12% versus a flight at noon.

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 July 7, 2026.

The most flights from WAS to USKY 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 (7 on average).

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

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

The best time to book flights from Washington, D.C. to Kentucky is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 July 4, 2026.

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

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 July 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,450 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
9,944 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,782 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

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 1h 35m. Fly via Southwest, United Airlines, or Delta to get the fastest option. The distance from Washington, D.C. to Kentucky is about 428 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 Delta. According to our data, you can fly for as low as $98. Users have also found prices from $124 and $134 on American Airlines 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, Baltimore/Washington - Nashville Intl or Washington, D.C. Dulles Intl - 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: Copa Airlines (89%), Republic Airways (85%), Air Canada( 84%).

  • 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 $402, our data indicates the cheapest price to be $178. The most popular route (Washington, D.C. Reagan-National - Nashville Intl), is priced around $211.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. to Kentucky (average of $81). Flying from Washington, D.C. to Kentucky in May is currently the most expensive (average of $205). 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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$184Average$334FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$337FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$189Average$376FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$384FlexibilityNo cancel feeOn-time63%

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