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Dulles Intl

$43+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$98
(Breeze Airways)

One-way from

$43
(FlightHub)

Popular in

August

Cheapest in

June

Average price

$268

Good round-trip deal

$319 or less

Good one-way deal

$227 or less
From Kentucky to Washington, D.C. Dulles Intl
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One-way flight from Kentucky to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 2% potential increase in price ($6 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 September 2025
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Price to beat on a round-trip flight from Kentucky to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Kentucky to Washington, D.C. Dulles Intl.
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Find 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 September 17, 2025.

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.
Thu 10/96:27 pmBNA - IAD
Nonstop1h 48mUnited Airlines
Sun 10/128:20 amIAD - BNA
Nonstop1h 56mUnited Airlines
Deal found 9/15$115
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/137:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Fri 10/179:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 9/17$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.
Fri 10/108:25 amBNA - IAD
Nonstop1h 48mUnited Airlines
Mon 10/138:20 amIAD - BNA
Nonstop1h 56mUnited Airlines
Deal found 9/15$138
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:45 amTYS - IAD
1 stop8h 18mAllegiant Air
Fri 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 9/16$140
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.
Fri 10/316:45 amTYS - IAD
1 stop8h 18mAllegiant Air
Mon 11/31:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 9/15$142
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 10/196:13 pmIAD - TYS
1 stop25h 57mAllegiant Air
Deal found 9/16$160
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.
Fri 11/146:42 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 11/1611:10 amIAD - TYS
1 stop22h 15mAllegiant Air
Deal found 9/15$161
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.
Fri 10/3111:10 amBNA - IAD
1 stop7h 41mFrontier
Sun 11/28:36 pmIAD - BNA
1 stop14h 49mFrontier
Deal found 9/15$166
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:22 pmTYS - IAD
1 stop5h 01mAllegiant Air
Mon 10/209:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 9/16$168
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:43 amBNA - IAD
1 stop7h 08mMultiple Airlines
Sat 11/88:36 pmIAD - BNA
1 stop12h 47mMultiple Airlines
Deal found 9/17$168
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:05 pmBNA - IAD
1 stop23h 38mMultiple Airlines
Mon 10/209:28 pmIAD - BNA
1 stop13h 16mMultiple Airlines
Deal found 9/17$170
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.
Thu 10/1610:44 amBNA - IAD
1 stop7h 23mMultiple Airlines
Sun 10/198:02 pmIAD - BNA
1 stop21h 27mMultiple Airlines
Deal found 9/15$171

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 September 17, 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

Fri 1/16

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Mon 1/19

2:58 pm-4:28 pm

Nonstop1h 30m

$98

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 10/31

1:30 pm-4:15 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Sun 11/2

5:45 pm-6:51 pm

Nonstop2h 06m

$115

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 11/17

6:35 pm-9:20 pm

Nonstop1h 45m

Washington, D.C. Dulles Intl

Tue 11/18

1:00 pm-2:01 pm

Nonstop2h 01m

$115

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 10/25

9:55 am-11:39 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 10/29

10:15 pm-11:59 pm

Nonstop1h 44m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 11/6

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 11/17

10:15 pm-11:59 pm

Nonstop1h 44m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Sat 10/11

7:35 pm-9:12 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 10/13

8:40 am-10:20 am

Nonstop1h 40m

$189

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 10/21

2:03 pm-3:45 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 10/25

7:00 pm-8:48 pm

Nonstop1h 48m

$189

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 10/23

2:03 pm-3:45 pm

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 10/25

7:00 pm-8:48 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 10/23

2:16 pm-4:00 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 10/26

10:15 pm-11:59 pm

Nonstop1h 44m

$194

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Tue 2/17

10:15 am-4:30 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-11:37 am

1 stop5h 37m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 60 results
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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, August is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 September 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Washington, D.C. Dulles Intl Airport as you normally would.

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

Explore weekly flight availability from Kentucky to Dulles Intl. 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 September 17, 2025.

The most flights from USKY to IAD are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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, United Airlines, or Delta to get the fastest option. The distance between Kentucky and Washington, D.C. Dulles Intl Airport 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 Kentucky to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $43 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $90 and Delta from $99 one-way.

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

    While some choose either Nashville Intl - Washington, D.C. Dulles Intl or Knoxville McGhee Tyson - Washington, D.C. Dulles Intl, Cincinnati Cinci./N. Kentucky - 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 Republic Airways (98%), Copa Airlines (93%) and United Airlines (93%).

  • 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 $148. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $101 on average, our data indicates $964 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, August is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Alternative routes for Kentucky to Dulles Intl

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

Top 3 airlines flying from Kentucky to Dulles Intl

Discover the top 3 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$315FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$651FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$286FlexibilityNo cancel feeOn-time69%

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