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Kentucky

$30+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
1 adult, Economy
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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 March 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/102:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 4/2012:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 3/18$74
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/102:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Mon 4/1312:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 3/18$78
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/172:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Fri 4/2412:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 3/19$81
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 6/193:19 pm
IAD
-
TYS
Nonstop1h 34m
Allegiant Air
Mon 6/2912:49 pm
TYS
-
IAD
Nonstop1h 27m
Allegiant Air
Deal found 3/18$85
This Mytrip deal was found by Cheapflights users on 3/20. 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 Mytrip 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
Fri 8/71:07 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 3/20$86
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 5/253:08 pm
IAD
-
TYS
Nonstop1h 32m
Allegiant Air
Fri 5/2912:55 pm
TYS
-
IAD
Nonstop1h 23m
Allegiant Air
Deal found 3/18$87
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/132:58 pm
IAD
-
TRI
Nonstop1h 30m
Breeze Airways
Fri 4/1712:53 pm
TRI
-
IAD
Nonstop1h 25m
Breeze Airways
Deal found 3/18$98
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 5/72:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 5/1011:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 3/21$100
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/302:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Sun 5/311:27 am
TYS
-
IAD
Nonstop1h 44m
Allegiant Air
Deal found 3/19$116
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/92:01 pm
IAD
-
TYS
Nonstop1h 40m
Allegiant Air
Thu 4/1612:37 pm
TYS
-
IAD
1 stop26h 07m
Allegiant Air
Deal found 3/18$123
This Kiwi.com deal was found by Cheapflights users on 3/18. 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 4/102:58 pm
IAD
-
TRI
Nonstop1h 30m
Multiple Airlines
Mon 4/135:08 pm
TRI
-
IAD
2 stops31h 28m
Multiple Airlines
Deal found 3/18$167
This United Airlines deal was found by Cheapflights users on 3/18. 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 4/1610:15 pm
IAD
-
CVG
Nonstop1h 44m
United Airlines
Mon 4/206:00 am
CVG
-
IAD
Nonstop1h 33m
United Airlines
Deal found 3/18$180

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 March 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Breeze Airways)

One-way from

$30
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$371

Good round-trip deal

$286 or less

Good one-way deal

$300 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. Dulles Intl to Kentucky
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Kentucky
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kentucky.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kentucky.
Search Deals

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 March 23, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 4/17

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Fri 4/24

12:53 pm-2:18 pm

Nonstop1h 25m

$78

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 4/10

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 4/13

12:53 pm-2:18 pm

Nonstop1h 25m

$80

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 4/17

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Mon 4/20

12:53 pm-2:18 pm

Nonstop1h 25m

$98

Washington, D.C.Blountville

IAD - TRI

IADTRI

Washington, D.C. Dulles Intl

Fri 4/17

2:58 pm-4:28 pm

Nonstop1h 30m

Blountville Tri Cities TN/VA

Fri 4/24

5:08 pm-7:27 am

1 stop14h 19m

$168

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 4/11

5:50 pm-7:42 pm

Nonstop1h 52m

Knoxville McGhee Tyson

Tue 4/14

9:40 am-11:25 am

Nonstop1h 45m

$185

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

Sat 4/25

10:15 pm-11:59 pm

Nonstop1h 44m

Cincinnati Cinci./N. Kentucky

Wed 4/29

7:47 pm-9:23 pm

Nonstop1h 36m

$213

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 4/10

1:20 pm-3:09 pm

Nonstop1h 49m

Knoxville McGhee Tyson

Mon 4/13

7:20 pm-9:05 pm

Nonstop1h 45m

$220

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Fri 5/29

8:05 am-12:03 pm

1 stop3h 58m

Louisville Intl

Tue 6/2

3:29 pm-9:24 pm

1 stop5h 55m

$248

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Tue 9/15

8:31 am-10:14 am

Nonstop1h 43m

Louisville Intl

Sat 9/19

10:05 am-11:46 am

Nonstop1h 41m

$249

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

Wed 6/24

12:48 pm-2:37 pm

Nonstop1h 49m

Louisville Intl

Sun 6/28

6:00 am-7:35 am

Nonstop1h 35m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $170). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in December is currently the most expensive (average of $218). 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 March 23, 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 in the morning could potentially save you up to 2% 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 March 23, 2026.

The most flights from IAD to USKY are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 March 23, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican 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
8,319 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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.
Delta
7.9
Good
8,319 reviews
Delta
7.9
Good
8,319 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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.
United Airlines
7.4
Good
9,460 reviews
Delta
7.9
Good
8,319 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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.
American Airlines
7.1
Good
11,489 reviews
Delta
7.9
Good
8,319 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Food

7.2

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 $78. 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 $98 on Delta. Other airlines that offer cheap prices include United Airlines from $124 and American Airlines from $128 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 - Louisville Intl or Washington, D.C. Dulles Intl - Cincinnati Cinci./N. 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: Lufthansa (81%), Air Canada (80%), Copa Airlines( 80%).

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

    On average you can expect to pay $391 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 $147.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $170). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in December is currently the most expensive (average of $218). 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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Dulles Intl to Dallas/Fort Worth flights
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Baltimore to Fort Lauderdale flights
Baltimore to Miami flights
Dulles Intl to Los Angeles flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Dulles Intl to O'Hare Intl flights
Baltimore to Las Vegas flights
Reagan-National to Las Vegas flights
Baltimore to Los Angeles flights
Reagan-National to Orlando flights
Dulles Intl to Denver flights
Baltimore to Atlanta flights
Reagan-National to Los Angeles flights
Dulles Intl to Atlanta flights
Baltimore to O'Hare Intl flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Hobby flights
Reagan-National to O'Hare Intl flights
Baltimore to Denver flights
Reagan-National to Hobby flights
Dulles Intl to San Francisco flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Sky Harbor Intl flights
Reagan-National to Atlanta flights
Dulles Intl to Tampa flights
Baltimore to Hobby flights
Dulles Intl to New Orleans flights
Reagan-National to Fort Lauderdale flights
Reagan-National to San Francisco flights
Baltimore to Tampa flights
Baltimore to Seattle flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Boston flights
Reagan-National to Nashville flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Boston flights
Dulles Intl to Nashville flights
Reagan-National to Denver flights
Baltimore to San Francisco flights
Dulles Intl to Midway flights
Reagan-National to Tampa flights
Baltimore to Boston flights
Reagan-National to Sky Harbor Intl 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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$312FlexibilityNo cancel feeOn-time69%
DeltaCheapest$198Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$277FlexibilityNo cancel feeOn-time71%

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