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Dulles Intl

$35+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
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 January 7, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$75
(Kiwi.com)

One-way from

$35
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$301

Good round-trip deal

$337 or less

Good one-way deal

$217 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
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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
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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. 1% potential increase in price ($5 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 January 2026
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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 January 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/291:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 2/14:13 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$75
This Breeze Airways deal was found by Cheapflights users on 1/5. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/212:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
Mon 2/92:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/5$78
This Gotogate deal was found by Cheapflights users on 1/6. 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.
Thu 1/221:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 1/254:13 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$80
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 2/51:39 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Thu 2/128:45 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$82
This Priceline deal was found by Cheapflights users on 1/5. 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 2/212:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
Fri 2/62:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/5$82
This Breeze Airways deal was found by Cheapflights users on 1/5. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/912:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
Fri 1/162:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/5$98
This Breeze Airways deal was found by Cheapflights users on 1/5. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1612:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
Mon 1/192:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/5$108
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/1912:53 pmTRI - IAD
Nonstop1h 25mBreeze Airways
Fri 1/232:58 pmIAD - TRI
Nonstop1h 30mBreeze Airways
Deal found 1/6$118
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 4/911:27 amTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 4/122:01 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/5$120
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 4/1911:27 amTYS - IAD
Nonstop1h 44mAllegiant Air
Sun 4/262:01 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Deal found 1/6$146
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 1/227:26 pmTYS - IAD
2 stops39h 18mMultiple Airlines
Thu 1/294:13 pmIAD - TYS
Nonstop1h 40mMultiple Airlines
Deal found 1/6$161
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 3/126:30 amTYS - IAD
Nonstop1h 44mMultiple Airlines
Mon 3/162:39 pmIAD - TYS
1 stop20h 33mMultiple Airlines
Deal found 1/7$175

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 January 7, 2026.
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 2/2

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Mon 2/9

2:58 pm-4:28 pm

Nonstop1h 30m

$78

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 1/22

1:39 pm-3:23 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 1/25

4:13 pm-5:53 pm

Nonstop1h 40m

$80

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 2/2

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Fri 2/6

2:58 pm-4:28 pm

Nonstop1h 30m

$82

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

$108

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Mon 1/19

12:53 pm-2:18 pm

Nonstop1h 25m

Washington, D.C. Dulles Intl

Fri 1/23

2:58 pm-4:28 pm

Nonstop1h 30m

$118

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 3/12

6:30 am-8:14 am

Nonstop1h 44m

Washington, D.C. Dulles Intl

Mon 3/16

2:39 pm-11:12 am

1 stop20h 33m

$175

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 1/22

1:39 pm-3:23 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 1/25

5:37 pm-12:05 pm

2 stops18h 28m

$182

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Fri 2/13

7:25 pm-9:11 pm

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 2/15

1:20 pm-3:15 pm

Nonstop1h 55m

$189

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 6/30

5:50 am-7:33 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 7/7

10:19 pm-11:59 pm

Nonstop1h 40m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 3/20

6:00 am-7:28 am

Nonstop1h 28m

Washington, D.C. Dulles Intl

Sun 3/22

10:15 pm-11:53 pm

Nonstop1h 38m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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 $259). 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 January 7, 2026.

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 January 7, 2026.

The most flights from USKY to IAD are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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, 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 United Airlines (83%), Lufthansa (83%) and Mesa Airlines (80%).

  • 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 $178. While the most popular route (Nashville Intl - Washington, D.C. Dulles Intl) can be booked for $173 on average, our data indicates $1,253 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 $259). 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
Silver Spring
Hanover
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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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.
Los Angeles to Reagan-National flights
Boston to Baltimore flights
Los Angeles to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
O'Hare Intl to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
Atlanta to Dulles Intl flights
Boston to Dulles Intl flights
Boston to Reagan-National flights
Atlanta to Reagan-National flights
Los Angeles to Dulles Intl flights
Atlanta to Baltimore flights
Hobby to Reagan-National flights
Seattle to Reagan-National flights
San Francisco to Reagan-National flights
O'Hare Intl to Reagan-National flights
San Francisco to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
Tampa to Dulles Intl flights
Hobby to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Orlando to Dulles Intl flights
Tampa to Reagan-National flights
Seattle to Dulles Intl flights
Denver to Baltimore flights
San Francisco to Baltimore flights
Denver to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Detroit to Baltimore flights
Orlando to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Minneapolis to Reagan-National flights
Miami to Dulles Intl flights
Detroit to Dulles Intl flights
Charlotte to Baltimore flights
Orlando to Baltimore flights
Minneapolis to Baltimore flights
Fort Lauderdale to Baltimore flights
Charlotte to Dulles Intl flights
Seattle to Baltimore flights
Austin to Dulles Intl flights
Denver to Reagan-National flights
Hobby to Baltimore flights
LaGuardia to Reagan-National flights
Minneapolis to Dulles Intl flights
Ontario to Dulles Intl flights
Midway to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
San Diego to Dulles Intl flights
John F Kennedy Intl 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 January 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$159Average$348FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$284FlexibilityNo cancel feeOn-time69%

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