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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Jul 1 — Jul 81
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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 June 26, 2025.

Round-trip from

$66
(Mytrip)

One-way from

$40
(Booking.com)

Popular in

May

Cheapest in

July

Average price

$249

Good round-trip deal

$484 or less

Good one-way deal

$193 or less
From Kentucky to Washington, D.C. Dulles Intl
One-way flight from Kentucky to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Kentucky to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Kentucky to Washington, D.C. Dulles Intl.

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 June 26, 2025.

This Gotogate deal was found by Cheapflights users on 6/25. 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.
Sat 7/196:05 pmBNA - IAD
Nonstop1h 48mAllegiant Air
Sat 7/269:43 pmIAD - BNA
Nonstop1h 49mAllegiant Air
Deal found 6/25$66
This Booking.com deal was found by Cheapflights users on 6/25. 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.
Mon 6/3012:45 pmTYS - IAD
Nonstop1h 38mAllegiant Air
Mon 7/73:13 pmIAD - TYS
Nonstop1h 34mAllegiant Air
Deal found 6/25$116
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/171:30 pmBNA - IAD
Nonstop1h 51mUnited Airlines
Tue 7/2212:57 pmIAD - BNA
Nonstop1h 55mUnited Airlines
Deal found 6/25$157
This Booking.com deal was found by Cheapflights users on 6/25. 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.
Sat 7/266:05 pmBNA - IAD
Nonstop1h 48mMultiple Airlines
Mon 7/281:34 pmIAD - BNA
1 stop6h 09mMultiple Airlines
Deal found 6/25$160
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/810:16 amCVG - IAD
Nonstop1h 32mUnited Airlines
Sat 8/910:10 pmIAD - CVG
Nonstop1h 37mUnited Airlines
Deal found 6/26$170
This Trip.com deal was found by Cheapflights users on 6/23. 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.
Fri 7/45:45 amTYS - IAD
Nonstop1h 41mMultiple Airlines
Mon 7/73:13 pmIAD - TYS
Nonstop1h 34mMultiple Airlines
Deal found 6/23$171
This Delta deal was found by Cheapflights users on 6/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:47 pmCVG - IAD
1 stop4h 47mDelta
Tue 7/297:02 amIAD - CVG
1 stop4h 07mDelta
Deal found 6/24$179
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/86:00 amLEX - IAD
1 stop3h 53mAmerican Airlines
Sun 8/106:34 amIAD - LEX
1 stop3h 52mAmerican Airlines
Deal found 6/26$179
This Priceline deal was found by Cheapflights users on 6/26. 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.
Fri 7/185:10 amCVG - IAD
1 stop7h 32mFrontier
Mon 7/216:07 pmIAD - CVG
1 stop6h 16mFrontier
Deal found 6/26$186
This United Airlines deal was found by Cheapflights users on 6/24. 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.
Tue 7/17:35 pmTYS - IAD
Nonstop1h 35mUnited Airlines
Wed 7/910:13 pmIAD - TYS
Nonstop1h 46mUnited Airlines
Deal found 6/24$189
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/156:00 amSDF - IAD
Nonstop1h 35mUnited Airlines
Fri 8/223:30 pmIAD - SDF
Nonstop1h 45mUnited Airlines
Deal found 6/26$189
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/38:10 amSDF - IAD
1 stop6h 21mDelta
Sat 9/69:00 amIAD - SDF
1 stop5h 26mDelta
Deal found 6/25$193

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 June 26, 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

Sat 7/19

6:05 pm-8:53 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Sat 7/26

9:43 pm-10:32 pm

Nonstop1h 49m

$66

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 9/1

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Fri 9/5

3:19 pm-4:59 pm

Nonstop1h 40m

$117

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 7/17

1:30 pm-4:21 pm

Nonstop1h 51m

Washington, D.C. Dulles Intl

Tue 7/22

12:57 pm-1:52 pm

Nonstop1h 55m

$157

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 7/26

6:05 pm-8:53 pm

Nonstop1h 48m

Washington, D.C. Dulles Intl

Mon 7/28

1:34 pm-6:43 pm

1 stop6h 09m

$160

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 8/8

10:16 am-11:48 am

Nonstop1h 32m

Washington, D.C. Dulles Intl

Sat 8/9

10:10 pm-11:47 pm

Nonstop1h 37m

$170

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Thu 7/24

7:47 pm-12:34 am

1 stop4h 47m

Washington, D.C. Dulles Intl

Thu 7/31

6:00 am-9:36 am

1 stop3h 36m

$179

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 8/8

6:00 am-9:53 am

1 stop3h 53m

Washington, D.C. Dulles Intl

Sun 8/10

6:34 am-10:26 am

1 stop3h 52m

$179

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 7/18

5:10 am-12:42 pm

1 stop7h 32m

Washington, D.C. Dulles Intl

Mon 7/21

6:07 pm-12:23 am

1 stop6h 16m

$186

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Mon 8/18

12:45 pm-2:23 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Thu 8/21

4:56 pm-5:38 pm

2 stops24h 42m

$187

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 7/29

2:30 pm-4:06 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 8/4

10:13 pm-11:59 pm

Nonstop1h 46m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

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 $309). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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 June 26, 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 June 26, 2025.

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated June 26, 2025.
See what other customers who have flown with Delta, Qatar Airways, and United Airlines from Kentucky to Washington, D.C. Dulles Intl Airport have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $40 on Allegiant Air. Other airlines that offer cheap prices include United Airlines from $69 and Delta from $89 one-way.

  • What are the most popular routes 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 (96%) and Air Canada (94%).

  • 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 $145. While the most popular route (Nashville Intl - Washington, D.C. Dulles Intl) can be booked for $56 on average our data indicates $1,694 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 $309). Flying from Kentucky to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $346). 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 Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
Arlington
Woodbridge
Alexandria
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Easton
Towson
Falls Church
Rockville
Springfield
National Harbor
Manassas
Dundalk
Waldorf
Bowie
Hanover

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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.

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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$191Average$298FlexibilityNo cancel feeOn-time69%
DeltaCheapest$208Average$308FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$318Average$651FlexibilityNo cancel feeOn-time71%

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