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Dulles Intl

$50+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Aug 21 — Aug 281
Thu 8/21
Thu 8/28
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 August 16, 2025.

Round-trip from

$76
(Cheapflightsfares)

One-way from

$50
(Booking.com)

Popular in

August

Cheapest in

June

Average price

$304

Good round-trip deal

$432 or less

Good one-way deal

$189 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. 0% potential increase in price ($1 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 August 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 August 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/288:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/314:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/15$76
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/244:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/13$84
This Gotogate deal was found by Cheapflights users on 8/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Mon 10/139:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 8/15$86
This Booking.com deal was found by Cheapflights users on 8/15. 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.
Fri 10/245:59 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Mon 10/271:34 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 8/15$92
This Gotogate deal was found by Cheapflights users on 8/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:45 pmTYS - IAD
Nonstop1h 38mAllegiant Air
Mon 9/13:13 pmIAD - TYS
Nonstop1h 34mAllegiant Air
Deal found 8/14$110
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 8/2310:20 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sun 8/314:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/14$111
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 8/248:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sat 8/308:12 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/14$119
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1611:23 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sat 8/308:12 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/13$126
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 8/218:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Sat 8/238:12 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/14$127
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/218:00 amBNA - IAD
Nonstop1h 44mAllegiant Air
Thu 8/214:56 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 8/14$129
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 8/15$162
This United Airlines deal was found by Cheapflights users on 8/15. 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 12/126:00 amCVG - IAD
Nonstop1h 35mUnited Airlines
Sun 12/148:45 amIAD - CVG
Nonstop1h 38mUnited Airlines
Deal found 8/15$179

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 August 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

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/31

4:56 pm-5:45 pm

Nonstop1h 49m

$76

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 8/22

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 8/25

3:13 pm-4:47 pm

Nonstop1h 34m

$84

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 10/10

7:02 pm-8:46 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 10/13

9:36 pm-11:16 pm

Nonstop1h 40m

$86

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 10/24

5:59 pm-7:43 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 10/27

1:34 pm-3:14 pm

Nonstop1h 40m

$92

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 8/29

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Mon 9/1

3:13 pm-4:47 pm

Nonstop1h 34m

$110

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 8/30

8:12 pm-9:01 pm

Nonstop1h 49m

$111

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 8/28

8:00 am-10:44 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 9/20

7:14 pm-6:11 pm

1 stop23h 57m

$148

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Mon 8/25

11:37 am-8:48 pm

1 stop8h 11m

Washington, D.C. Dulles Intl

Thu 8/28

4:56 pm-5:45 pm

Nonstop1h 49m

$157

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Fri 9/19

7:02 pm-6:24 pm

1 stop22h 22m

Washington, D.C. Dulles Intl

Sun 9/21

10:17 am-9:37 am

1 stop24h 20m

$164

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sun 9/14

6:56 pm-6:24 pm

1 stop22h 28m

Washington, D.C. Dulles Intl

Sun 9/21

10:17 am-9:37 am

1 stop24h 20m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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, July is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $302). 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 August 16, 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.

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.

  • 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 $50 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $89 and Delta from $89 one-way.

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

    While some choose either Louisville Intl - Washington, D.C. Dulles Intl or Nashville Intl - 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 (95%), Air Canada (91%) and Copa Airlines (90%).

  • 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 $124. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $179 on average our data indicates $523 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, July is the cheapest month in which you can book a flight from Kentucky to Washington, D.C. Dulles Intl Airport (average of $302). 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
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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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.
Dallas/Fort Worth to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Dulles Intl flights
Boston to Baltimore flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
Atlanta to Baltimore flights
San Francisco to Dulles Intl flights
San Francisco to Reagan-National flights
Los Angeles to Baltimore flights
San Francisco to Baltimore flights
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O'Hare Intl to Dulles Intl flights
Boston to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Hobby to Baltimore flights
O'Hare Intl to Baltimore flights
Seattle to Reagan-National flights
Atlanta to Reagan-National flights
Seattle to Dulles Intl flights
Denver to Baltimore flights
Miami to Dulles Intl flights
Seattle to Baltimore flights
Tampa to Dulles Intl flights
Love Field to Reagan-National flights
Hobby to Reagan-National flights
Austin to Dulles Intl flights
Fort Lauderdale to Baltimore flights
San Diego to Dulles Intl flights
Orlando to Dulles Intl flights
Ontario to Dulles Intl flights
Midway to Baltimore flights
John F Kennedy Intl to Dulles Intl flights
Detroit to Dulles Intl flights
Detroit to Reagan-National flights
Hobby to Dulles Intl flights
Denver to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Raleigh to Dulles Intl flights
Orlando to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Orlando to Baltimore flights
Austin to Baltimore flights
Minneapolis to Dulles Intl flights
Oakland to Baltimore flights
Raleigh to Baltimore flights
Midway to Dulles Intl flights
Charlotte to Dulles Intl flights
Minneapolis 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 August 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$188Average$651FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$289FlexibilityNo cancel feeOn-time69%

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