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$50+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap 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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$92
(Expedia)

One-way from

$50
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$340

Good round-trip deal

$239 or less

Good one-way deal

$158 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. Dulles Intl to Kentucky
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One-way flight from Washington, D.C. Dulles Intl 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. Dulles Intl to Kentucky.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kentucky.
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Find 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 November 2, 2025.

This Expedia deal was found by Cheapflights users on 10/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Mon 12/222:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Deal found 10/31$92
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/149:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/31$97
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 11/146:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/31$103
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/31:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 11/146:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/31$126
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 11/31:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 10/31$129
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$133
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:36 pmIAD - TYS
1 stop17h 21mMultiple Airlines
Thu 11/205:49 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Deal found 11/1$142
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amIAD - LEX
1 stop3h 52mDelta
Sun 12/145:15 pmLEX - IAD
1 stop4h 14mDelta
Deal found 10/31$199
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/138:36 pmIAD - BNA
1 stop16h 43mMultiple Airlines
Sat 11/1512:27 pmBNA - IAD
1 stop6h 24mMultiple Airlines
Deal found 10/30$200
This United Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/208:45 amIAD - CVG
Nonstop1h 37mUnited Airlines
Sun 11/2310:15 amCVG - IAD
Nonstop1h 36mUnited Airlines
Deal found 10/31$204
This Trip.com deal was found by Cheapflights users on 10/31. 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.
Thu 12/45:45 amIAD - CVG
1 stop5h 04mFrontier
Sun 12/711:59 amCVG - IAD
1 stop4h 25mFrontier
Deal found 10/31$210
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 12/129:31 amIAD - BNA
1 stop11h 00mMultiple Airlines
Sun 12/1411:19 amBNA - IAD
2 stops29h 06mMultiple Airlines
Deal found 10/31$212

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 November 2, 2025.
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 12/19

3:50 pm-5:05 pm

Nonstop1h 15m

Blountville Tri Cities TN/VA

Mon 12/22

2:00 pm-3:10 pm

Nonstop1h 10m

$92

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 12/5

9:20 pm-7:42 pm

1 stop22h 22m

Knoxville McGhee Tyson

Sun 12/7

5:23 pm-7:07 pm

Nonstop1h 44m

$133

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

Thu 11/13

8:36 pm-1:12 pm

1 stop16h 36m

Knoxville McGhee Tyson

Mon 11/17

2:22 pm-4:06 pm

Nonstop1h 44m

$158

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 12/4

5:45 am-9:44 pm

2 stops15h 59m

Knoxville McGhee Tyson

Sun 12/7

5:23 pm-7:07 pm

Nonstop1h 44m

$186

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 12/13

6:00 am-9:52 am

1 stop3h 52m

Lexington Blue Grass

Tue 1/6

2:17 pm-8:37 pm

1 stop6h 20m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Tue 12/16

5:59 pm-12:08 am

1 stop6h 09m

Lexington Blue Grass

Tue 1/6

10:39 am-4:46 pm

1 stop6h 07m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Mon 12/15

12:30 pm-7:08 pm

1 stop6h 38m

Lexington Blue Grass

Tue 1/6

10:39 am-4:46 pm

1 stop6h 07m

$199

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Mon 12/1

10:15 pm-11:59 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Mon 12/8

7:25 pm-9:08 pm

Nonstop1h 43m

$202

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 11/21

12:55 pm-2:43 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Sun 11/23

2:25 pm-4:08 pm

Nonstop1h 43m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $141). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in March is currently the most expensive (average of $231). 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 November 2, 2025.

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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 16% 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 November 2, 2025.

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 November 2, 2025.
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.
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
8,001 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 15m. Breeze Airways provides one of the quickest options available for as low as $92. 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 cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Kentucky one-way?

    One-way options have recently been found by users for as low as $56 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $95 and Frontier from $113 one-way.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Kentucky is Washington, D.C. Dulles Intl - Nashville Intl. You may also consider Washington, D.C. Dulles Intl - Cincinnati Cinci./N. Kentucky or Washington, D.C. Dulles Intl - Louisville Intl.

  • 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: Republic Airways (100%), Air Canada (90%), Lufthansa( 90%).

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

    On average you can expect to pay $257 for a flight from Washington, D.C. Dulles Intl Airport to Kentucky. The cheapest flight overall is $128 while the most popular route, (Washington, D.C. Dulles Intl - Nashville Intl) is currently priced at $141.

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $141). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in March is currently the most expensive (average of $231). 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.
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Reagan-National to Seattle flights
Reagan-National to Atlanta flights
Baltimore to Tampa flights
Dulles Intl to San Francisco flights
Baltimore to Atlanta flights
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Dulles Intl to Denver flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Tampa flights
Baltimore to San Francisco flights
Baltimore to Denver flights
Baltimore to Sky Harbor Intl flights
Reagan-National to Boston flights
Baltimore to Midway flights
Dulles Intl to Boston flights
Baltimore to George Bush Intcntl flights
Reagan-National to Sky Harbor Intl flights
Reagan-National to Nashville flights

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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$330FlexibilityNo cancel feeOn-time69%
DeltaCheapest$203Average$326FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$318FlexibilityNo cancel feeOn-time71%

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