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$75+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SDF
mar. 13 — mar. 201
jue. 3/13
jue. 3/20
1 adult, Economy
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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 marzo 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$75
(Frontier)

Popular in

December

Cheapest in

January

Average price

$274

Good round-trip deal

$265 or less

Good one-way deal

$166 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Louisville Intl flights.
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From Washington, D.C. Dulles Intl to Kentucky
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One-way flight from Washington, D.C. Dulles Intl to Kentucky
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Highest demand for flights based on searches. 0% potential increase in price ($1 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 March 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Kentucky.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Kentucky.
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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 marzo 8, 2025.

This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/2512:35 pmIAD - CVG
Nonstop1h 43mUnited Airlines
mié. 3/264:59 pmCVG - IAD
1 stop4h 26mUnited Airlines
Deal found 3/6$189
This Frontier deal was found by Cheapflights users on 3/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/49:18 amIAD - CVG
1 stop8h 04mFrontier
dom. 4/65:01 amCVG - IAD
1 stop5h 54mFrontier
Deal found 3/5$190
This Delta deal was found by Cheapflights users on 3/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/16:00 amIAD - SDF
1 stop4h 00mDelta
sáb. 5/38:00 amSDF - IAD
1 stop3h 31mDelta
Deal found 3/7$209
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/108:30 amIAD - SDF
Nonstop1h 49mUnited Airlines
sáb. 4/126:00 amSDF - IAD
Nonstop1h 35mUnited Airlines
Deal found 3/7$211
This American Airlines deal was found by Cheapflights users on 3/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/192:12 pmIAD - LEX
1 stop5h 36mAmerican Airlines
sáb. 4/267:47 amLEX - IAD
1 stop5h 55mAmerican Airlines
Deal found 3/7$219
This United Airlines deal was found by Cheapflights users on 3/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/251:00 pmIAD - BNA
Nonstop2h 10mUnited Airlines
mié. 3/266:40 pmBNA - IAD
Nonstop1h 44mUnited Airlines
Deal found 3/7$219
This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2911:54 amIAD - BNA
Nonstop1h 49mAllegiant Air
dom. 6/18:20 amBNA - IAD
Nonstop1h 44mAllegiant Air
Deal found 3/7$226
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/308:20 amIAD - TYS
Nonstop1h 45mUnited Airlines
sáb. 5/39:55 amTYS - IAD
Nonstop1h 45mUnited Airlines
Deal found 3/6$229
This FlightHub deal was found by Cheapflights users on 3/7. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/2112:40 pmIAD - BNA
1 stop7h 03mMultiple Airlines
jue. 6/268:20 amBNA - IAD
Nonstop1h 42mMultiple Airlines
Deal found 3/7$231
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 3/245:14 pmIAD - BNA
1 stop6h 53mDelta
jue. 3/276:10 amBNA - IAD
1 stop4h 23mDelta
Deal found 3/6$237
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2210:16 amIAD - CVG
1 stop5h 48mDelta
mar. 4/298:09 pmCVG - IAD
1 stop4h 16mDelta
Deal found 3/6$251
This Mytrip deal was found by Cheapflights users on 3/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2110:07 amIAD - TYS
1 stop10h 32mAllegiant Air
lun. 4/287:35 amTYS - IAD
1 stop10h 06mAllegiant Air
Deal found 3/7$258

Find flights from Dulles Intl to Kentucky within your budget

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 marzo 8, 2025.

Fly from

Dulles Intl

Fly to

Kentucky

Route

Depart

Return

Price

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

mar. 3/25

12:35 pm-2:18 pm

Nonstop1h 43m

Cincinnati Cinci./N. Kentucky

mié. 3/26

4:59 pm-9:25 pm

1 stop4h 26m

$189

Washington, D.C.Cincinnati

IAD - CVG

IADCVG

Washington, D.C. Dulles Intl

vie. 4/4

9:18 am-5:22 pm

1 stop8h 04m

Cincinnati Cinci./N. Kentucky

dom. 4/6

5:01 am-10:55 am

1 stop5h 54m

$190

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

jue. 4/10

8:30 am-10:19 am

Nonstop1h 49m

Louisville Intl

sáb. 4/12

6:00 am-7:35 am

Nonstop1h 35m

$206

Washington, D.C.Louisville

IAD - SDF

IADSDF

Washington, D.C. Dulles Intl

vie. 3/21

6:00 am-12:02 pm

1 stop6h 02m

Louisville Intl

lun. 3/24

6:59 pm-12:28 am

1 stop5h 29m

$209

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 4/19

2:12 pm-7:48 pm

1 stop5h 36m

Lexington Blue Grass

sáb. 4/26

7:47 am-1:42 pm

1 stop5h 55m

$219

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

mar. 3/25

1:00 pm-2:10 pm

Nonstop2h 10m

Nashville Intl

mié. 3/26

6:40 pm-9:24 pm

Nonstop1h 44m

$219

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

jue. 5/29

11:54 am-12:43 pm

Nonstop1h 49m

Nashville Intl

dom. 6/1

8:20 am-11:04 am

Nonstop1h 44m

$226

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

mié. 4/30

8:20 am-10:05 am

Nonstop1h 45m

Knoxville McGhee Tyson

sáb. 5/3

9:55 am-11:40 am

Nonstop1h 45m

$229

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

sáb. 6/21

12:40 pm-6:43 pm

1 stop7h 03m

Nashville Intl

jue. 6/26

8:20 am-11:02 am

Nonstop1h 42m

$231

Washington, D.C.Nashville

IAD - BNA

IADBNA

Washington, D.C. Dulles Intl

lun. 3/24

5:14 pm-11:07 pm

1 stop6h 53m

Nashville Intl

jue. 3/27

6:10 am-11:33 am

1 stop4h 23m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 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.

Travel insights for flights from Dulles Intl to Kentucky

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

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 marzo 8, 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.

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 marzo 8, 2025.
See what other customers who have flown with Delta, Qatar Airways and United Airlines 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.
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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

Delta
8.0
Very good
8,024 reviews
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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

Qatar Airways
7.4
Good
3,554 reviews
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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

United Airlines
7.4
Good
8,649 reviews
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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

Allegiant Air
7.3
Good
748 reviews
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,024 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.5

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 $75 on Frontier. Other airlines that offer cheap prices include Allegiant Air from $86 and United Airlines from $90 one-way.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Kentucky is Washington, D.C. Dulles Intl - Nashville Intl. You may also consider Washington, D.C. Dulles Intl - Cincinnati Cinci./N. Kentucky or Washington, D.C. Dulles Intl - Louisville Intl.

  • 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: Republic Airways (89%), Copa Airlines (85%), Lufthansa( 85%).

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

    On average you can expect to pay $265 for a flight from Washington, D.C. Dulles Intl Airport to Kentucky. The cheapest flight overall is $119 while the most popular route, (Washington, D.C. Dulles Intl - Nashville Intl) is currently priced at $102.

  • 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.
Reagan-National to Miami flights
Dulles Intl to Los Angeles flights
Dulles Intl to Las Vegas flights
Baltimore to Hobby flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Los Angeles flights
Baltimore to Fort Lauderdale flights
Baltimore to Dallas/Fort Worth flights
Baltimore to Miami flights
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Reagan-National to Seattle flights
Dulles Intl to Orlando flights
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Baltimore to Los Angeles flights
Dulles Intl to Hobby flights
Baltimore to Las Vegas flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to San Francisco flights
Reagan-National to Hobby flights
Dulles Intl to Fort Lauderdale flights
Baltimore to O'Hare Intl flights
Baltimore to Orlando flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to Denver flights
Reagan-National to Orlando flights
Baltimore to Seattle flights
Reagan-National to Atlanta flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Tampa flights
Dulles Intl to Seattle flights
Dulles Intl to George Bush Intcntl flights
Reagan-National to Fort Lauderdale flights
Reagan-National to San Francisco flights
Dulles Intl to Atlanta flights
Baltimore to George Bush Intcntl flights
Reagan-National to O'Hare Intl flights
Baltimore to Denver flights
Baltimore to San Francisco flights
Reagan-National to Tampa flights
Dulles Intl to Boston flights
Reagan-National to Boston flights
Dulles Intl to Austin flights
Dulles Intl to Salt Lake City flights
Baltimore to Atlanta flights
Baltimore to Tampa flights
Reagan-National to George Bush Intcntl flights
Reagan-National to Sky Harbor Intl flights
Baltimore to Sky Harbor Intl flights
Reagan-National to Denver flights
Dulles Intl to Fort Myers flights

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 marzo 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$188Average$334FlexibilityNo cancel feeOn-time69%
DeltaCheapest$199Average$309FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$310Average$458FlexibilityNo cancel feeOn-time71%
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