Kentucky

$28+ Cheap flights from Dulles Intl (IAD) 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
Mar 1 — Mar 81
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Cheap flight deals from Dulles Intl to Kentucky

Cheapest flights from Dulles Intl to Kentucky
Explore the most affordable flight options available from Dulles Intl to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/202:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 2/2312:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/28$58
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Sun 3/18:27 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Thu 3/126:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/30$85
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/54:13 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 2/81:39 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/28$98
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/128:45 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 2/156:11 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/29$99
This Booking.com deal was found by Cheapflights users on 1/29. 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 3/59:54 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 3/87:20 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/29$120
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/129:04 am
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 3/156:30 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/27$121
This Breeze Airways deal was found by Cheapflights users on 1/28. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 3/912:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 1/28$129
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/238:54 am
IAD
-
TYS
1 stop9h 38m
Multiple Airlines
Thu 2/265:53 pm
TYS
-
IAD
Nonstop1h 44m
Multiple Airlines
Deal found 1/29$153
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/86:37 pm
IAD
-
TYS
1 stop25h 59m
Allegiant Air
Sun 2/156:11 pm
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 1/29$156
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:55 pm
IAD
-
SDF
Nonstop1h 39m
United Airlines
Wed 9/210:00 am
SDF
-
IAD
Nonstop1h 39m
United Airlines
Deal found 1/27$189
This United Airlines deal was found by Cheapflights users on 1/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/610:15 pm
IAD
-
CVG
Nonstop1h 38m
United Airlines
Sun 3/86:00 am
CVG
-
IAD
Nonstop1h 28m
United Airlines
Deal found 1/28$189
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/2711:30 am
IAD
-
CVG
1 stop6h 02m
Frontier
Sun 3/11:07 pm
CVG
-
IAD
1 stop21h 33m
Frontier
Deal found 1/27$192

Find flight deals from Dulles Intl to Kentucky

Keep the following information in mind while searching for Dulles Intl to Kentucky flight deals. Data was last updated January 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$58
(Kiwi.com)

One-way from

$28
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$299

Good round-trip deal

$189 or less

Good one-way deal

$293 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
From Washington, D.C. Dulles Intl to Kentucky
One-way flight from Washington, D.C. Dulles Intl to Kentucky
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kentucky.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kentucky.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 January 30, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kentucky that are best for you.

Fly from

Dulles Intl

Fly to

Kentucky

Route

Depart

Return

Price

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 2/27

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Fri 3/6

12:53 pm-2:18 pm

Nonstop1h 25m

$58

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 2/20

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 2/23

12:53 pm-2:18 pm

Nonstop1h 25m

$58

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Mon 2/23

8:54 am-6:32 pm

1 stop9h 38m

Knoxville McGhee Tyson

Thu 2/26

5:53 pm-7:37 pm

Nonstop1h 44m

$153

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 3/17

12:55 pm-2:50 pm

Nonstop1h 55m

Knoxville McGhee Tyson

Sat 3/21

7:25 pm-9:11 pm

Nonstop1h 46m

$176

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 4/12

9:00 am-10:50 am

Nonstop1h 50m

Knoxville McGhee Tyson

Sat 4/18

7:20 pm-9:05 pm

Nonstop1h 45m

$186

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 2/21

5:43 pm-7:42 pm

Nonstop1h 59m

Louisville Intl

Mon 2/23

2:35 pm-4:13 pm

Nonstop1h 38m

$189

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 4/17

8:09 am-5:30 pm

1 stop9h 21m

Knoxville McGhee Tyson

Sun 4/19

11:27 am-1:11 pm

Nonstop1h 44m

$200

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 2/19

8:30 pm-10:10 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sun 2/22

6:12 pm-2:18 pm

2 stops20h 06m

$202

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Thu 3/12

6:00 am-10:10 am

1 stop4h 10m

Louisville Intl

Mon 3/16

3:05 pm-8:46 pm

1 stop5h 41m

$209

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-11:27 am

1 stop5h 27m

Louisville Intl

Wed 3/11

8:05 am-2:39 pm

1 stop6h 34m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 60 results
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Best time to book a flight from Dulles Intl to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Dulles Intl 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. Dulles Intl Airport to Kentucky

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $172). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in March is currently the most expensive (average of $243). 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 IAD to KY?

Find hourly flight availability from Dulles Intl 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 January 30, 2026.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Kentucky is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 1% on airfare.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Kentucky

Explore weekly flight availability from Dulles Intl 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 January 30, 2026.

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

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 January 30, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Kentucky have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Kentucky?

    A quick flight from Washington, D.C. Dulles Intl Airport to Kentucky can take about 1h 30m. Breeze Airways provides one of the quickest options available for as low as $58. The distance between Washington, D.C. Dulles Intl Airport and Kentucky is about 320 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

    Before booking your flight to Kentucky from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (78%), Mesa Airlines (78%), Air Canada( 75%).

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

    On average you can expect to pay $293 for a flight from Washington, D.C. Dulles Intl Airport to Kentucky. The cheapest flight overall is $138 while the most popular route, (Washington, D.C. Dulles Intl - Nashville Intl) is currently priced at $136.

  • Can I find deals for flights from Dulles Intl to Kentucky that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Kentucky?

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

  • Can I find deals for business class flights from Dulles Intl to Kentucky?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Kentucky?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $172). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in March is currently the most expensive (average of $243). 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 Dulles Intl to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Dulles Intl to Kentucky

Discover the top 3 airlines that operate flights from Dulles Intl 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 January 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$314FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$337FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$277FlexibilityNo cancel feeOn-time71%

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