Dulles Intl

$55+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — IAD
Feb 28 — Mar 71
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$55
(Frontier)

Popular in

January

Cheapest in

May

Average price

$249

Good round-trip deal

$417 or less

Good one-way deal

$174 or less
Provider with most accurate pricing for Louisville Intl-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Washington, D.C. (WAS) flights.
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. 1% potential increase in price ($4 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($2 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 23, 2025.

This Frontier deal was found by Cheapflights users on 2/22. 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.
Sat 3/15:01 amCVG - IAD
1 stop9h 13mFrontier
Wed 3/1210:26 pmIAD - CVG
1 stop12h 21mFrontier
Deal found 2/22$188
This United Airlines deal was found by Cheapflights users on 2/22. 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 3/1310:05 amSDF - IAD
Nonstop1h 37mUnited Airlines
Tue 3/188:40 amIAD - SDF
Nonstop1h 53mUnited Airlines
Deal found 2/22$189
This United Airlines deal was found by Cheapflights users on 2/21. 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 4/166:15 amCVG - IAD
1 stop5h 29mUnited Airlines
Sun 4/208:52 amIAD - CVG
Nonstop1h 37mUnited Airlines
Deal found 2/21$194
This Delta deal was found by Cheapflights users on 2/22. 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 4/246:00 amSDF - IAD
1 stop5h 23mDelta
Tue 4/295:32 pmIAD - SDF
1 stop5h 17mDelta
Deal found 2/22$204
This Mytrip deal was found by Cheapflights users on 2/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/26:00 amCVG - IAD
1 stop27h 17mAllegiant Air
Fri 3/710:07 amIAD - CVG
1 stop10h 25mAllegiant Air
Deal found 2/23$209
This United Airlines deal was found by Cheapflights users on 2/21. 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 4/17:00 amLEX - IAD
1 stop7h 11mUnited Airlines
Tue 4/83:30 pmIAD - LEX
1 stop4h 50mUnited Airlines
Deal found 2/21$219
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Mon 3/248:11 pmLEX - IAD
1 stop3h 47mAmerican Airlines
Mon 3/315:27 pmIAD - LEX
1 stop4h 32mAmerican Airlines
Deal found 2/22$220
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/129:55 amTYS - IAD
Nonstop1h 45mUnited Airlines
Mon 4/1410:20 pmIAD - TYS
Nonstop1h 39mUnited Airlines
Deal found 2/23$229
This United Airlines deal was found by Cheapflights users on 2/22. 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 4/18:20 amBNA - IAD
Nonstop1h 51mUnited Airlines
Tue 4/15:35 pmIAD - BNA
Nonstop2h 00mUnited Airlines
Deal found 2/22$229
This Booking.com deal was found by Cheapflights users on 2/21. 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.
Wed 3/129:27 amBNA - IAD
1 stop6h 27mFrontier
Sun 3/165:54 pmIAD - BNA
1 stop15h 23mFrontier
Deal found 2/21$230
This Booking.com deal was found by Cheapflights users on 2/22. 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.
Thu 3/278:45 pmBNA - IAD
1 stop12h 49mMultiple Airlines
Tue 4/15:54 pmIAD - BNA
1 stop15h 29mMultiple Airlines
Deal found 2/22$231
This Travelocity deal was found by Cheapflights users on 2/21. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/206:36 pmCVG - IAD
1 stop10h 58mMultiple Airlines
Mon 3/244:31 pmIAD - CVG
1 stop8h 47mMultiple Airlines
Deal found 2/21$241

Find flights from Kentucky to Dulles Intl within your budget

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 February 23, 2025.

Fly from

Kentucky

Fly to

Dulles Intl

Route

Depart

Return

Price

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 3/13

10:05 am-11:42 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Tue 3/18

8:40 am-10:33 am

Nonstop1h 53m

$189

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Wed 4/16

6:15 am-11:44 am

1 stop5h 29m

Washington, D.C. Dulles Intl

Sun 4/20

8:52 am-10:29 am

Nonstop1h 37m

$194

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 5/9

8:01 pm-8:34 am

1 stop12h 33m

Washington, D.C. Dulles Intl

Sun 5/11

5:26 pm-12:59 am

1 stop7h 33m

$200

LouisvilleWashington, D.C.

SDF - IAD

SDFIAD

Louisville Intl

Thu 4/24

6:00 am-11:23 am

1 stop5h 23m

Washington, D.C. Dulles Intl

Tue 4/29

5:32 pm-10:49 pm

1 stop5h 17m

$204

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 4/1

7:00 am-2:11 pm

1 stop7h 11m

Washington, D.C. Dulles Intl

Tue 4/8

3:30 pm-8:20 pm

1 stop4h 50m

$219

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 3/24

8:11 pm-11:58 pm

1 stop3h 47m

Washington, D.C. Dulles Intl

Mon 3/31

5:27 pm-9:59 pm

1 stop4h 32m

$220

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 4/12

9:55 am-11:40 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Mon 4/14

10:20 pm-11:59 pm

Nonstop1h 39m

$229

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Sat 4/5

8:20 am-11:11 am

Nonstop1h 51m

Washington, D.C. Dulles Intl

Mon 4/7

3:30 pm-4:27 pm

Nonstop1h 57m

$229

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Wed 3/12

9:27 am-4:54 pm

1 stop6h 27m

Washington, D.C. Dulles Intl

Sun 3/16

5:54 pm-8:17 am

1 stop15h 23m

$230

NashvilleWashington, D.C.

BNA - IAD

BNAIAD

Nashville Intl

Thu 3/27

8:45 pm-10:34 am

1 stop12h 49m

Washington, D.C. Dulles Intl

Tue 4/1

5:54 pm-8:23 am

1 stop15h 29m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 55 results
1
2
3
...
6

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.

Travel insights for flights from Kentucky to Dulles Intl

Get recent, data-driven insights about flights from Kentucky to Dulles Intl including ideal travel times, pricing trends, and more.

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 June is currently the most expensive (average of $389). 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 February 23, 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 February 23, 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).

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 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 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 February 23, 2025.
To help decide which airline to fly from Kentucky to Washington, D.C., see what other customers have to say about Delta, United Airlines and Allegiant Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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

Comfort

8.0

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

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 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 $55 on Frontier. Other airlines that offer cheap prices include Allegiant Air from $79 and United Airlines from $90 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 Air Canada (90%), Republic Airways (90%) and United Airlines (87%).

  • 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 $123. While the most popular route (Cincinnati Cinci./N. Kentucky - Washington, D.C. Dulles Intl) can be booked for $179 on average our data indicates $754 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 June is currently the most expensive (average of $389). 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
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$218FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$186Average$284FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$388Average$635FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.