HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$40+ Cheap flights from Kentucky to Dulles Intl (IAD)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Dulles Intl 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 Kentucky to Dulles Intl

Cheapest flights from Kentucky to Dulles Intl
Explore the most affordable flight options available from Kentucky to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This Mytrip deal was found by Cheapflights users on 12/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2412:01 pmTYS - IAD
Nonstop1h 44mAllegiant Air
mié. 12/312:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 12/15$83
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
lun. 12/222:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
lun. 1/53:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Deal found 12/15$168
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
lun. 12/226:00 pmTRI - IAD
1 stop27h 03mMultiple Airlines
lun. 1/53:50 pmIAD - TRI
Nonstop1h 15mMultiple Airlines
Deal found 12/15$181
This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/316:00 amCVG - IAD
Nonstop1h 35mUnited Airlines
mar. 1/612:35 pmIAD - CVG
Nonstop1h 44mUnited Airlines
Deal found 12/15$193
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:00 amCVG - IAD
Nonstop1h 35mUnited Airlines
sáb. 1/310:14 pmIAD - CVG
Nonstop1h 45mUnited Airlines
Deal found 12/16$217
This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/249:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
mié. 12/3112:51 pmIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 12/15$232
This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/252:00 pmTYS - IAD
Nonstop1h 44mUnited Airlines
mié. 12/319:00 amIAD - TYS
Nonstop1h 56mUnited Airlines
Deal found 12/15$238
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:47 pmTYS - IAD
1 stop26h 16mMultiple Airlines
vie. 1/309:35 amIAD - TYS
1 stop12h 53mMultiple Airlines
Deal found 12/16$241
This United Airlines deal was found by Cheapflights users on 12/13. 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. 12/256:05 pmBNA - IAD
Nonstop1h 50mUnited Airlines
jue. 1/15:55 pmIAD - BNA
Nonstop2h 11mUnited Airlines
Deal found 12/13$245
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amCVG - IAD
Nonstop1h 35mUnited Airlines
vie. 1/28:30 amIAD - CVG
Nonstop1h 47mUnited Airlines
Deal found 12/16$245
This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/249:55 amSDF - IAD
Nonstop1h 41mUnited Airlines
jue. 12/255:15 pmIAD - SDF
Nonstop1h 56mUnited Airlines
Deal found 12/15$245
This United Airlines deal was found by Cheapflights users on 12/15. 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. 12/2410:20 amCVG - IAD
Nonstop1h 35mUnited Airlines
vie. 12/265:15 pmIAD - CVG
Nonstop1h 45mUnited Airlines
Deal found 12/15$247

Find flight deals from Kentucky to Dulles Intl

Keep the following information in mind while searching for Kentucky to Dulles Intl flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$77
(Kiwi.com)

One-way from

$40
(Mytrip)

Popular in

January

Cheapest in

November

Average price

$259

Good round-trip deal

$379 or less

Good one-way deal

$341 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Washington, D.C. (WAS) flights.
Search Deals
From Kentucky to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Kentucky to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Kentucky to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Kentucky to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Dulles Intl 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 diciembre 16, 2025.
Use the filters below to find and compare flights from Kentucky to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Kentucky

Fly to

Dulles Intl

Route

Depart

Return

Price

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

vie. 1/9

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

vie. 1/16

2:58 pm-4:28 pm

Nonstop1h 30m

$78

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

dom. 1/11

1:39 pm-3:23 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

jue. 1/29

4:13 pm-5:53 pm

Nonstop1h 40m

$80

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

lun. 1/12

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

dom. 1/25

9:18 am-12:13 pm

1 stop26h 55m

$134

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

lun. 1/5

5:50 pm-11:28 am

2 stops41h 38m

Washington, D.C. Dulles Intl

vie. 1/9

2:58 pm-4:28 pm

Nonstop1h 30m

$167

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

vie. 1/16

5:08 pm-11:07 am

2 stops17h 59m

Washington, D.C. Dulles Intl

lun. 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$174

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

vie. 1/30

7:20 pm-9:12 pm

Nonstop1h 52m

Washington, D.C. Dulles Intl

dom. 2/1

9:00 am-10:57 am

Nonstop1h 57m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

vie. 1/16

2:25 pm-4:10 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

dom. 1/18

9:00 am-10:57 am

Nonstop1h 57m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

mié. 1/7

9:30 am-11:21 am

Nonstop1h 51m

Washington, D.C. Dulles Intl

lun. 1/12

9:00 am-10:57 am

Nonstop1h 57m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

dom. 1/11

10:05 am-11:41 am

Nonstop1h 36m

Washington, D.C. Dulles Intl

dom. 1/18

12:35 pm-2:17 pm

Nonstop1h 42m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

vie. 3/6

6:00 am-7:28 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

dom. 3/8

10:15 pm-11:53 pm

Nonstop1h 38m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Kentucky to Dulles Intl

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

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

Currently, March is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $185). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $268). 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 KY to IAD?

Find hourly flight availability from Kentucky to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

When flying from Kentucky to Washington, D.C. Dulles Intl Airport, 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 53% versus a flight at noon.

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

Related info for your journey

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

    There are many flights that can get you from Kentucky to Washington, D.C. Dulles Intl Airport in 1h 25m. Fly via Breeze Airways, Allegiant Air, or United Airlines to get the fastest option. The distance between Kentucky and Washington, D.C. Dulles Intl Airport is about 320 mi. Most flights are nonstop.

  • What are the cheapest airlines to fly from Kentucky to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $99 on Delta. Other airlines that offer cheap prices include American Airlines from $118 and United Airlines from $119 one-way.

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

    While some choose either Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl or Louisville Intl - Washington, D.C. Dulles Intl, Nashville Intl - Washington, D.C. Dulles Intl is the most popular route from Kentucky to Washington, D.C. Dulles Intl Airport.

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

    The top 3 most reliable airlines when flying from Kentucky to Washington, D.C. Dulles Intl Airport are Lufthansa (88%), United Airlines (82%) and Copa Airlines (79%).

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

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Nashville Intl - Washington, D.C. Dulles Intl) can be booked for $187 on average, our data indicates $1,533 when flying from Kentucky to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky to Dulles Intl 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 Kentucky to Washington, D.C. Dulles Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $185). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $268). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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 Kentucky to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Dulles Intl flights
Boston to Baltimore flights
Los Angeles to Baltimore flights
Atlanta to Dulles Intl flights
Atlanta to Baltimore flights
O'Hare Intl to Reagan-National flights
San Francisco to Dulles Intl flights
Boston to Reagan-National flights
San Francisco to Reagan-National flights
Boston to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Seattle to Reagan-National flights
Orlando to Dulles Intl flights
Hobby to Baltimore flights
Denver to Baltimore flights
Hobby to Dulles Intl flights
Orlando to Reagan-National flights
O'Hare Intl to Baltimore flights
Seattle to Dulles Intl flights
San Francisco to Baltimore flights
Hobby to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Tampa to Dulles Intl flights
LaGuardia to Reagan-National flights
Orlando to Baltimore flights
Denver to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Minneapolis to Baltimore flights
Atlanta to Reagan-National flights
George Bush Intcntl to Baltimore flights
Fort Lauderdale to Baltimore flights
Seattle to Baltimore flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
Miami to Dulles Intl flights
Minneapolis to Dulles Intl flights
Denver to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Detroit to Dulles Intl flights
Salt Lake City to Dulles Intl flights
Detroit to Reagan-National flights
Tampa to Reagan-National flights
Tampa to Baltimore flights
Charlotte to Dulles Intl flights

Top 2 airlines flying from Kentucky to Dulles Intl

Discover the top 2 airlines that operate flights from Kentucky to Dulles Intl. 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$285FlexibilityNo cancel feeOn-time69%

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.