Kentucky

$43+ Cheap flights from Dulles Intl (IAD) to Kentucky

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
Apr 20 — Apr 271
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Cheap flight deals from Dulles Intl to Kentucky

Keep the following information in mind while searching for Dulles Intl to Kentucky flight deals. Data was last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$161
(Mytrip)

One-way from

$46
(Booking.com)

Popular in

April

Cheapest in

January

Average price

$378

Good round-trip deal

$279 or less

Good one-way deal

$205 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
From Washington, D.C. Dulles Intl to Kentucky
One-way flight from Washington, D.C. Dulles Intl to Kentucky
Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kentucky.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kentucky.

Find flight deals from Dulles Intl to Kentucky

Cheapest flights from Dulles Intl to Kentucky
Explore the most affordable flight options available from Dulles Intl to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/311:58 amIAD - BNA
Nonstop1h 49mMultiple Airlines
Sun 7/63:11 pmBNA - IAD
1 stop18h 09mMultiple Airlines
Deal found 4/15$158
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/129:10 pmIAD - BNA
1 stop10h 50mAllegiant Air
Sun 6/158:20 amBNA - IAD
Nonstop1h 42mAllegiant Air
Deal found 4/15$160
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:26 pmIAD - BNA
1 stop16h 43mFrontier
Mon 5/1210:01 amBNA - IAD
1 stop5h 35mFrontier
Deal found 4/15$166
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Wed 5/288:25 amIAD - BNA
Nonstop1h 55mUnited Airlines
Sat 5/318:30 amBNA - IAD
Nonstop1h 45mUnited Airlines
Deal found 4/15$179
This United Airlines deal was found by Cheapflights users on 4/15. 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 6/2610:07 pmIAD - CVG
Nonstop1h 39mUnited Airlines
Sun 6/296:00 amCVG - IAD
Nonstop1h 32mUnited Airlines
Deal found 4/15$189
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:26 pmIAD - CVG
1 stop7h 33mFrontier
Sun 5/187:51 pmCVG - IAD
1 stop10h 40mFrontier
Deal found 4/14$190
This Mytrip deal was found by Cheapflights users on 4/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/263:13 pmIAD - TYS
Nonstop1h 34mMultiple Airlines
Fri 5/309:03 pmTYS - IAD
2 stops17h 41mMultiple Airlines
Deal found 4/15$203
This United Airlines deal was found by Cheapflights users on 4/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/135:10 pmIAD - TYS
1 stop5h 32mUnited Airlines
Mon 9/157:25 pmTYS - IAD
Nonstop1h 43mUnited Airlines
Deal found 4/13$204
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:00 amIAD - TYS
1 stop3h 40mDelta
Tue 6/107:46 amTYS - IAD
1 stop3h 47mDelta
Deal found 4/15$209
This Mytrip deal was found by Cheapflights users on 4/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:58 pmIAD - TYS
1 stop17h 29mAllegiant Air
Sun 5/1112:34 pmTYS - IAD
1 stop24h 52mAllegiant Air
Deal found 4/14$215
This United Airlines deal was found by Cheapflights users on 4/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/68:29 amIAD - SDF
Nonstop1h 47mUnited Airlines
Mon 6/96:00 amSDF - IAD
Nonstop1h 35mUnited Airlines
Deal found 4/14$217
This Sun Country Air deal was found by Cheapflights users on 4/14. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:50 pmIAD - BNA
1 stop6h 54mSun Country Air
Sat 11/1511:01 amBNA - IAD
1 stop23h 47mSun Country Air
Deal found 4/14$235

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Kentucky 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 April 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Kentucky that are best for you.

Fly from

Dulles Intl

Fly to

Kentucky

Route

Depart

Return

Price

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Thu 7/3

11:58 am-12:47 pm

Nonstop1h 49m

Nashville Intl

Sun 7/6

3:11 pm-10:20 am

1 stop18h 09m

$158

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Thu 6/12

9:10 pm-7:00 am

1 stop10h 50m

Nashville Intl

Sun 6/15

8:20 am-11:02 am

Nonstop1h 42m

$160

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Thu 5/8

5:26 pm-9:09 am

1 stop16h 43m

Nashville Intl

Mon 5/12

10:01 am-4:36 pm

1 stop5h 35m

$166

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

Wed 5/28

8:25 am-9:20 am

Nonstop1h 55m

Nashville Intl

Sat 5/31

8:30 am-11:15 am

Nonstop1h 45m

$179

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

Thu 6/26

10:07 pm-11:46 pm

Nonstop1h 39m

Cincinnati Cinci./N. Kentucky

Sun 6/29

6:00 am-7:32 am

Nonstop1h 32m

$189

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

Fri 5/16

5:26 pm-12:59 am

1 stop7h 33m

Cincinnati Cinci./N. Kentucky

Sun 5/18

7:51 pm-6:31 am

1 stop10h 40m

$190

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Mon 5/26

3:13 pm-4:47 pm

Nonstop1h 34m

Knoxville McGhee Tyson

Fri 5/30

9:03 pm-2:44 pm

2 stops17h 41m

$203

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 9/13

5:10 pm-10:42 pm

1 stop5h 32m

Knoxville McGhee Tyson

Mon 9/15

7:25 pm-9:08 pm

Nonstop1h 43m

$204

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 6/1

6:00 am-9:40 am

1 stop3h 40m

Knoxville McGhee Tyson

Tue 6/10

7:46 am-11:33 am

1 stop3h 47m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 5/8

8:58 pm-2:27 pm

1 stop17h 29m

Knoxville McGhee Tyson

Sun 5/11

12:34 pm-1:26 pm

1 stop24h 52m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 59 results
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Best time to book a flight from Dulles Intl to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Kentucky

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Kentucky?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $299). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in April is currently the most expensive (average of $369). 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 IAD to KY?

Find hourly flight availability from Dulles Intl to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Kentucky, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Explore weekly flight availability from Dulles Intl to Kentucky. 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 April 15, 2025.

The most flights from IAD to USKY 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).

Rainfall in Kentucky by month

Plan your trip to Kentucky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

Plan your trip to Kentucky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated April 15, 2025.
See what other customers who have flown with Delta, United Airlines and Allegiant Air from Washington, D.C. to Kentucky have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Kentucky. 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 Washington, D.C. Dulles Intl Airport to Kentucky one-way?

    One-way options have recently been found by users for as low as $46 on Allegiant Air. Other airlines that offer cheap prices include Frontier from $80 and United Airlines from $90 one-way.

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

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

    Before booking your flight to Kentucky from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Copa Airlines (92%), Republic Airways (88%), United Airlines( 87%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Kentucky?

    On average you can expect to pay $304 for a flight from Washington, D.C. Dulles Intl Airport to Kentucky. The cheapest flight overall is $152 while the most popular route, (Washington, D.C. Dulles Intl - Nashville Intl) is currently priced at $78.

  • Can I find deals for flights from Dulles Intl to Kentucky that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Kentucky.

  • Can I find deals for business class flights from Dulles Intl to Kentucky?

    Yes. Cheapflights offers flight deals from Dulles Intl to Kentucky 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 Washington, D.C. Dulles Intl Airport to Kentucky?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Kentucky (average of $299). Flying from Washington, D.C. Dulles Intl Airport to Kentucky in April is currently the most expensive (average of $369). 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

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Alternative routes for Dulles Intl to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Dulles Intl to Kentucky

Discover the top 3 airlines that operate flights from Dulles Intl to Kentucky. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$189Average$333FlexibilityNo cancel feeOn-time69%
DeltaCheapest$218Average$323FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$325Average$478FlexibilityNo cancel feeOn-time71%

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