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Dulles Intl

$44+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Fri 1/92:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 10/30$82
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Fri 12/263:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Deal found 10/30$112
This Priceline deal was found by Cheapflights users on 10/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:00 pmTRI - IAD
Nonstop1h 10mBreeze Airways
Mon 1/53:50 pmIAD - TRI
Nonstop1h 15mBreeze Airways
Deal found 10/30$123
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/205:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 12/77:57 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 10/29$129
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/205:49 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Fri 12/59:20 pmIAD - TYS
1 stop15h 42mMultiple Airlines
Deal found 10/29$132
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/105:22 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Thu 11/138:36 pmIAD - TYS
1 stop26h 38mMultiple Airlines
Deal found 10/30$139
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 11/2512:24 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sat 11/293:04 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 10/30$140
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 11/76:12 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Fri 11/1410:14 amIAD - TYS
1 stop23h 03mAllegiant Air
Deal found 10/30$155
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/226:00 pmTRI - IAD
1 stop27h 03mMultiple Airlines
Fri 12/263:50 pmIAD - TRI
Nonstop1h 15mMultiple Airlines
Deal found 10/29$156
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/205:49 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sun 12/79:20 pmIAD - TYS
1 stop13h 12mMultiple Airlines
Deal found 10/29$157
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/205:49 pmTYS - IAD
Nonstop1h 44mMultiple Airlines
Sat 12/69:20 pmIAD - TYS
1 stop15h 12mMultiple Airlines
Deal found 10/29$159
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/245:31 pmTYS - IAD
2 stops18h 07mMultiple Airlines
Wed 12/312:35 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 10/29$160

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$82
(Priceline)

One-way from

$44
(Trip.com)

Popular in

August

Cheapest in

June

Average price

$269

Good round-trip deal

$331 or less

Good one-way deal

$216 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.
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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 October 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.
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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 October 30, 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

Mon 12/22

2:00 pm-3:10 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Fri 12/26

3:50 pm-5:05 pm

Nonstop1h 15m

$112

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/29

2:00 pm-3:10 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Mon 1/5

3:50 pm-5:05 pm

Nonstop1h 15m

$123

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/22

6:00 pm-9:03 pm

1 stop27h 03m

Washington, D.C. Dulles Intl

Fri 12/26

3:50 pm-5:05 pm

Nonstop1h 15m

$156

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 11/17

9:09 pm-8:20 pm

2 stops23h 11m

Washington, D.C. Dulles Intl

Thu 11/20

8:23 pm-10:03 pm

Nonstop1h 40m

$166

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/15

6:05 pm-2:29 pm

2 stops44h 24m

Washington, D.C. Dulles Intl

Fri 1/9

2:58 pm-4:28 pm

Nonstop1h 30m

$170

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 12/29

5:55 pm-11:38 am

3 stops41h 43m

Washington, D.C. Dulles Intl

Mon 1/5

3:50 pm-5:05 pm

Nonstop1h 15m

$181

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 12/5

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 12/7

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 11/25

5:45 am-7:28 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Fri 11/28

9:00 am-10:48 am

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 12/4

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 12/6

12:55 pm-2:43 pm

Nonstop1h 48m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 12/3

9:40 am-11:23 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Wed 12/10

9:00 am-10:48 am

Nonstop1h 48m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, 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 October 30, 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 54% versus a flight at noon.

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 10m. 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 $49 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $100 and Delta from $115 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 Knoxville McGhee Tyson - 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 Republic Airways (100%), Copa Airlines (98%) and Air Canada (96%).

  • 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 $119. While the most popular route (Nashville Intl - Washington, D.C. Dulles Intl) can be booked for $162 on average, our data indicates $502 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
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Owings Mills
Linthicum Heights
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
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.
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Dallas/Fort Worth to Dulles Intl flights
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O'Hare Intl to Baltimore flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Los Angeles to Baltimore flights
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Seattle to Baltimore flights
George Bush Intcntl to Reagan-National flights
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Denver to Baltimore flights
Minneapolis to Dulles Intl flights
Minneapolis to Baltimore flights
Denver to Reagan-National flights
Tampa to Reagan-National flights
John F Kennedy Intl to Reagan-National flights
Tampa to Baltimore flights
Fort Lauderdale to Dulles Intl flights
Miami to Dulles Intl flights
Minneapolis to Reagan-National 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$294FlexibilityNo cancel feeOn-time69%

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