HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kentucky

$42+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Kentucky with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 septiembre 17, 2025.

Round-trip from

$84
(FlightHub)

One-way from

$42
(FlightHub)

Popular in

October

Cheapest in

January

Average price

$317

Good round-trip deal

$254 or less

Good one-way deal

$258 or less
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 ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

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 septiembre 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/209:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
vie. 10/245:59 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$84
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/208:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
dom. 11/235:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$85
This FlightHub deal was found by Cheapflights users on 9/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/248:33 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 10/2711:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/17$87
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/242:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
mié. 12/3112:01 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/16$94
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
vie. 11/149:16 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/172:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$96
This Booking.com deal was found by Cheapflights users on 9/15. 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.
vie. 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$102
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 10/141:00 pmIAD - BNA
Nonstop1h 53mUnited Airlines
jue. 10/168:25 amBNA - IAD
Nonstop1h 48mUnited Airlines
Deal found 9/15$115
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 12/111:00 pmIAD - BNA
Nonstop2h 02mUnited Airlines
dom. 12/148:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$127
This United Airlines deal was found by Cheapflights users on 9/15. 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.
sáb. 11/18:25 amIAD - BNA
Nonstop2h 02mUnited Airlines
lun. 11/36:35 pmBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$131
This Booking.com deal was found by Cheapflights users on 9/15. 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.
lun. 10/139:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
lun. 10/207:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/15$135
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/298:25 amIAD - BNA
Nonstop2h 02mUnited Airlines
dom. 11/28:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 9/15$138
This Mytrip deal was found by Cheapflights users on 9/17. 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.
sáb. 11/18:36 pmIAD - BNA
1 stop15h 39mFrontier
lun. 11/311:10 amBNA - IAD
1 stop7h 41mFrontier
Deal found 9/17$154

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 septiembre 17, 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.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

jue. 10/30

8:25 am-9:27 am

Nonstop2h 02m

Nashville Intl

dom. 11/2

8:30 am-11:15 am

Nonstop1h 45m

$138

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

jue. 11/13

8:25 am-9:27 am

Nonstop2h 02m

Nashville Intl

lun. 11/17

8:30 am-11:15 am

Nonstop1h 45m

$185

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

mar. 10/14

12:41 pm-2:16 pm

Nonstop1h 35m

Cincinnati Cinci./N. Kentucky

mar. 10/21

10:19 am-11:53 am

Nonstop1h 34m

$189

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

vie. 10/17

10:17 pm-11:59 pm

Nonstop1h 42m

Cincinnati Cinci./N. Kentucky

sáb. 10/18

6:00 am-7:35 am

Nonstop1h 35m

$189

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

vie. 11/7

10:16 pm-11:59 pm

Nonstop1h 43m

Cincinnati Cinci./N. Kentucky

dom. 11/9

6:00 am-7:35 am

Nonstop1h 35m

$189

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

vie. 11/7

10:16 pm-11:59 pm

Nonstop1h 43m

Cincinnati Cinci./N. Kentucky

lun. 11/10

7:40 pm-9:16 pm

Nonstop1h 36m

$189

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

mié. 10/15

6:05 am-9:50 am

1 stop3h 45m

Louisville Intl

mié. 10/22

10:41 am-4:57 pm

1 stop6h 16m

$197

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

mar. 11/11

7:01 am-12:07 pm

1 stop5h 06m

Louisville Intl

mié. 11/12

6:00 am-11:36 am

1 stop5h 36m

$197

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 11/1

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 11/4

5:54 pm-11:00 pm

1 stop5h 06m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 10/25

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 11/4

5:54 pm-11:00 pm

1 stop5h 06m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
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 $299). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in April is currently the most expensive (average of $369). 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 septiembre 17, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 septiembre 17, 2025.

The most flights from IAD to USKY are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, 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 septiembre 17, 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
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 2h 02m. United Airlines provides one of the quickest options available for as low as $138. The distance between Washington, D.C. Dulles Intl Airport and Kentucky is about 542 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 $51 on United Airlines. Other airlines that offer cheap prices include Allegiant Air from $53 and Delta from $99 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: Air Canada (96%), Republic Airways (91%), United Airlines( 89%).

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

    On average you can expect to pay $284 for a flight from Washington, D.C. Dulles Intl Airport to Kentucky. The cheapest flight overall is $158 while the most popular route, (Washington, D.C. Dulles Intl - Nashville Intl) is currently priced at $115.

  • 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 $299). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in April is currently the most expensive (average of $369). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Baltimore to Boston flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Orlando flights
Dulles Intl to Atlanta flights
Baltimore to O'Hare Intl flights
Reagan-National to Los Angeles flights
Dulles Intl to Miami flights
Dulles Intl to Los Angeles flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Las Vegas flights
Dulles Intl to Boston flights
Reagan-National to Boston flights
Reagan-National to Miami flights
Reagan-National to Las Vegas flights
Dulles Intl to Seattle flights
Baltimore to Fort Lauderdale flights
Reagan-National to Orlando flights
Baltimore to Orlando flights
Reagan-National to Hobby flights
Baltimore to Midway flights
Baltimore to San Francisco flights
Baltimore to Las Vegas flights
Reagan-National to San Francisco flights
Baltimore to Los Angeles flights
Reagan-National to Seattle flights
Reagan-National to Atlanta flights
Baltimore to Atlanta flights
Dulles Intl to San Francisco flights
Dulles Intl to Hobby flights
Baltimore to Seattle flights
Baltimore to Miami flights
Baltimore to Hobby flights
Baltimore to Denver flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to Tampa flights
Dulles Intl to Detroit flights
Dulles Intl to New Orleans flights
Dulles Intl to Midway flights
Dulles Intl to Denver flights
Baltimore to New Orleans flights
Baltimore to Sky Harbor Intl flights
Dulles Intl to Austin flights
Dulles Intl to John F Kennedy Intl flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Minneapolis flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to George Bush Intcntl 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$339FlexibilityNo cancel feeOn-time69%
DeltaCheapest$203Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$376FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.