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Cheap flights from Kentucky to Washington, D.C. from $50

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Washington, D.C. departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Allegiant Air Logo
12:24 pm - 2:08 pmTYS-IAD
1h 44mnonstop
Allegiant Air Logo
3:04 pm - 4:44 pmIAD-TYS
1h 40mnonstop
$145Allegiant Air
Find Deal
Tue, Nov 25 - Sat, Nov 29
Allegiant Air Logo
5:49 pm - 7:33 pmTYS-IAD
1h 44mnonstop
Allegiant Air Logo
3:04 pm - 4:44 pmIAD-TYS
1h 40mnonstop
$146Allegiant Air
Find Deal
Sun, Nov 23 - Sat, Nov 29
Multiple Airlines Logo
8:30 am - 9:03 pmTYS-IAD
12h 33m1 stop
Multiple Airlines Logo
4:57 pm - 6:37 pmIAD-TYS
1h 40mnonstop
$150Multiple Airlines
Find Deal
Sun, Dec 21 - Sat, Dec 27
Multiple Airlines Logo
7:30 am - 9:30 pmTYS-IAD
14h 00m1 stop
Multiple Airlines Logo
4:57 pm - 6:37 pmIAD-TYS
1h 40mnonstop
$151Multiple Airlines
Find Deal
Sat, Dec 20 - Sat, Dec 27
United Airlines Logo
7:25 pm - 9:08 pmTYS-IAD
1h 43mnonstop
United Airlines Logo
12:55 pm - 2:43 pmIAD-TYS
1h 48mnonstop
$163United Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
United Airlines Logo
9:40 am - 11:23 amTYS-IAD
1h 43mnonstop
United Airlines Logo
10:10 pm - 11:59 pmIAD-TYS
1h 49mnonstop
$176United Airlines
Find Deal
Wed, Dec 17 - Sun, Jan 4
Frontier Logo
9:25 pm - 7:45 amCVG-IAD
10h 20m1 stop
Frontier Logo
8:40 am - 8:20 pmIAD-CVG
11h 40m1 stop
$191Frontier
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Fri, Nov 21 - Mon, Nov 24
Frontier Logo
11:00 am - 11:59 pmCVG-IAD
12h 59m1 stop
Frontier Logo
8:40 am - 8:20 pmIAD-CVG
11h 40m1 stop
$197Frontier
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Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
7:17 pm - 11:12 pmLEX-IAD
3h 55m1 stop
American Airlines Logo
7:01 am - 10:56 amIAD-LEX
3h 55m1 stop
$199American Airlines
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Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
7:45 am - 1:34 pmTRI-IAD
5h 49m1 stop
American Airlines Logo
4:41 pm - 9:44 pmIAD-TRI
5h 03m1 stop
$235American Airlines
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Fri, Feb 13 - Sat, Feb 14

Allegiant Air flights from Kentucky to Washington, D.C. Dulles Intl Airport

Our best Allegiant Air deals on Kentucky to Washington, D.C. Dulles Intl Airport flight tickets
Allegiant Air
Nov 25
TYS12:24 pmKnoxville McGhee Tyson
1h 44m
IAD2:08 pmWashington, D.C. Dulles Intl
Nov 29
IAD3:04 pmWashington, D.C. Dulles Intl
1h 40m
TYS4:44 pmKnoxville McGhee Tyson
$145
Find similar
Allegiant Air
Nov 23
TYS5:49 pmKnoxville McGhee Tyson
1h 44m
IAD7:33 pmWashington, D.C. Dulles Intl
Nov 29
IAD3:04 pmWashington, D.C. Dulles Intl
1h 40m
TYS4:44 pmKnoxville McGhee Tyson
$146
Find similar
Allegiant Air
Nov 14
TYS6:42 pmKnoxville McGhee Tyson
1h 44m
IAD8:26 pmWashington, D.C. Dulles Intl
Nov 17
IAD4:56 pmWashington, D.C. Dulles Intl
1h 40m
TYS6:36 pmKnoxville McGhee Tyson
$147
Find similar

United Airlines flights from Kentucky to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Kentucky to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Dec 3
TYS7:25 pmKnoxville McGhee Tyson
1h 43m
IAD9:08 pmWashington, D.C. Dulles Intl
Dec 9
IAD12:55 pmWashington, D.C. Dulles Intl
1h 48m
TYS2:43 pmKnoxville McGhee Tyson
$163
Find similar
United Airlines
Dec 17
TYS9:40 amKnoxville McGhee Tyson
1h 43m
IAD11:23 amWashington, D.C. Dulles Intl
Jan 4
IAD10:10 pmWashington, D.C. Dulles Intl
1h 49m
TYS11:59 pmKnoxville McGhee Tyson
$176
Find similar
United Airlines
Feb 14
TYS9:40 amKnoxville McGhee Tyson
1h 46m
IAD11:26 amWashington, D.C. Dulles Intl
Feb 16
IAD1:20 pmWashington, D.C. Dulles Intl
1h 55m
TYS3:15 pmKnoxville McGhee Tyson
$186
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kentucky to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated November 10, 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

Fly to

Route

Depart

Return

Price

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Tue 11/25

12:24 pm-2:08 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 11/29

3:04 pm-4:44 pm

Nonstop1h 40m

$145

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sun 11/23

5:49 pm-7:33 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 11/29

3:04 pm-4:44 pm

Nonstop1h 40m

$146

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sun 12/21

8:30 am-9:03 pm

1 stop12h 33m

Washington, D.C. Dulles Intl

Sat 12/27

4:57 pm-6:37 pm

Nonstop1h 40m

$150

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 12/20

7:30 am-9:30 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Sat 12/27

4:57 pm-6:37 pm

Nonstop1h 40m

$151

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 12/3

7:25 pm-9:08 pm

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 12/9

12:55 pm-2:43 pm

Nonstop1h 48m

$163

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Wed 12/17

9:40 am-11:23 am

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sun 1/4

10:10 pm-11:59 pm

Nonstop1h 49m

$176

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/21

9:25 pm-7:45 am

1 stop10h 20m

Washington, D.C. Dulles Intl

Mon 11/24

8:40 am-8:20 pm

1 stop11h 40m

$191

CincinnatiWashington, D.C.

CVG - IAD

CVGIAD

Cincinnati Cinci./N. Kentucky

Fri 11/21

11:00 am-11:59 pm

1 stop12h 59m

Washington, D.C. Dulles Intl

Mon 11/24

8:40 am-8:20 pm

1 stop11h 40m

$197

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 1/9

7:17 pm-11:12 pm

1 stop3h 55m

Washington, D.C. Dulles Intl

Mon 1/12

7:01 am-10:56 am

1 stop3h 55m

$199

BlountvilleWashington, D.C.

TRI - IAD

TRIIAD

Blountville Tri Cities TN/VA

Fri 2/13

7:45 am-1:34 pm

1 stop5h 49m

Washington, D.C. Dulles Intl

Sat 2/14

4:41 pm-9:44 pm

1 stop5h 03m

$235

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kentucky to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Kentucky to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $273.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $675. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Kentucky to Washington, D.C. Dulles Intl Airport for around $915.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Kentucky in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $218 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,056 on average. Flights to Washington, D.C. Dulles Intl Airport from Kentucky at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Kentucky to Washington, D.C. Dulles Intl flight route?

Fly from Louisville Intl to Washington, D.C. Dulles Intl for the best Kentucky - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $301 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Kentucky for as low as $233 on momondo.

What cabin class options are available on Kentucky to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Kentucky to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kentucky to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Kentucky to Washington, D.C. Dulles Intl Airport.

Cheap Kentucky to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Washington, D.C. Dulles Intl Airport

Best Price Found

$216

Fastest flight time

1h 31m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Kentucky in the past 72 hours is $216. The best round-trip flight deal from Kentucky to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $365.
The fastest flight from Kentucky to Washington, D.C. Dulles Intl Airport takes 1h 31m
Direct flights go from Kentucky to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from Kentucky to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Kentucky to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from Kentucky to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Kentucky to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Kentucky to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Kentucky to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Kentucky to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $159Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Kentucky to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Kentucky to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Kentucky which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kentucky to Washington, D.C.?

momondo helps you find the best flight between Kentucky and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Kentucky to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Kentucky are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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