What is the cheapest airline that flies from Washington, D.C. to Kentucky?

Southwest, Frontier, and Delta are the most popular carriers operating from Washington, D.C. to Kentucky

What airlines fly to Kentucky?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kentucky from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 4 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

How long is the flight from Washington, D.C. to Kentucky?

On average, it takes 1h 40m to fly from Washington, D.C. to Kentucky if you fly out of Baltimore (the most popular airport in Washington, D.C.) and into Louisville (the most popular airport in Kentucky). If you’re flying out of Washington, D.C. and into Louisville, then the flight time is around 1h 46m.

How many flights depart from Washington, D.C. to Kentucky on average per day?

57 flights are operational daily from Washington, D.C. to Kentucky as of August 2026. The most popular departure time for this route is 5:00PM, with 54% of flights per day taking off in the afternoon.

How many flights depart from Washington, D.C. to Kentucky on average per week?

The number of flights available between Washington, D.C. and Kentucky is 399 per week as of August 2026. The most frequent departure day is Tue, with 22% of weekly flights leaving on this day.

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

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

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

The number of operators available for flights from Washington, D.C. to Kentucky is 7 as of August 2026.

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

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 Washington, D.C. to Kentucky.

What documentation or ID do you need to fly to Kentucky?

The travel and health documents you'll need for your trip to Kentucky may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$30 Cheap Flights from Washington, D.C. to Kentucky in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Kentucky

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:16 am - 9:44 am-

1h 28mnonstop

7:45 am - 9:13 am-

1h 28mnonstop

$68Allegiant Air

Sun, Nov 1 - Thu, Nov 5

3:53 pm - 5:21 pm-

1h 28mnonstop

7:45 am - 9:11 am-

1h 26mnonstop

$72Allegiant Air

Sun, Oct 18 - Thu, Oct 22

6:00 am - 11:38 am-

5h 38m

12:43 pm - 9:25 am-

20h 42m

$138Frontier

Thu, Sep 17 - Mon, Sep 21

6:00 am - 11:38 am-

5h 38m

12:43 pm - 11:04 pm-

10h 21m

$140Frontier

Thu, Sep 24 - Mon, Sep 28

3:53 pm - 5:21 pm-

1h 28mnonstop

2:01 pm - 12:28 am-

10h 27m

$151Multiple Airlines

Sun, Oct 18 - Thu, Oct 22

8:16 am - 9:44 am-

1h 28mnonstop

6:33 pm - 12:28 am-

29h 55m

$151Multiple Airlines

Sun, Nov 1 - Thu, Nov 5

7:40 pm - 9:20 pm-

1h 40mnonstop

4:20 pm - 5:50 pm-

1h 30mnonstop

$157Southwest

Sat, Sep 5 - Sun, Sep 6

11:10 am - 12:40 pm-

1h 30mnonstop

6:30 am - 8:00 am-

1h 30mnonstop

$157Southwest

Sat, Sep 5 - Sun, Sep 6

9:00 am - 3:13 pm-

6h 13m

6:10 am - 11:32 am-

5h 22m

$177Delta

Sat, Sep 5 - Sun, Sep 6

5:30 pm - 10:31 pm-

5h 01m

2:45 pm - 7:41 pm-

4h 56m

$196Delta

Fri, Dec 25 - Sat, Jan 9

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JetBlue flights from Washington, D.C. to Kentucky

Our best JetBlue deals on Washington, D.C. to Kentucky flight tickets

JetBlue

Sep 18

DCA4:35 pmWashington, D.C. Reagan-National

6h 18m

1 stop

BNA9:53 pmNashville Intl

Sep 25

BNA2:25 pmNashville Intl

8h 02m

1 stop

DCA11:27 pmWashington, D.C. Reagan-National

$243

JetBlue

Sep 5

DCA3:09 pmWashington, D.C. Reagan-National

8h 28m

1 stop

BNA10:37 pmNashville Intl

Sep 6

BNA2:30 pmNashville Intl

6h 04m

1 stop

DCA9:34 pmWashington, D.C. Reagan-National

$251

JetBlue

Sep 8

DCA6:10 amWashington, D.C. Reagan-National

4h 50m

1 stop

BNA10:00 amNashville Intl

Sep 13

BNA2:25 pmNashville Intl

8h 02m

1 stop

DCA11:27 pmWashington, D.C. Reagan-National

$253

Allegiant Air flights from Washington, D.C. to Kentucky

Our best Allegiant Air deals on Washington, D.C. to Kentucky flight tickets

Allegiant Air

Nov 1

IAD8:16 amWashington, D.C. Dulles Intl

1h 28m

TYS9:44 amKnoxville McGhee Tyson

Nov 5

TYS7:45 amKnoxville McGhee Tyson

1h 28m

IAD9:13 amWashington, D.C. Dulles Intl

$68

Allegiant Air

Oct 18

IAD3:53 pmWashington, D.C. Dulles Intl

1h 28m

TYS5:21 pmKnoxville McGhee Tyson

Oct 22

TYS7:45 amKnoxville McGhee Tyson

1h 26m

IAD9:11 amWashington, D.C. Dulles Intl

$72

Allegiant Air

Oct 29

IAD10:01 amWashington, D.C. Dulles Intl

1h 28m

TYS11:29 amKnoxville McGhee Tyson

Nov 1

TYS6:00 amKnoxville McGhee Tyson

1h 26m

IAD7:26 amWashington, D.C. Dulles Intl

$76

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 11/1

8:16 am-9:44 am

Nonstop1h 28m

Knoxville McGhee Tyson

Thu 11/5

7:45 am-9:13 am

Nonstop1h 28m

$68

Quickest round-trip

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 10/18

3:53 pm-5:21 pm

Nonstop1h 28m

Knoxville McGhee Tyson

Thu 10/22

7:45 am-9:11 am

Nonstop1h 26m

$72

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Thu 9/17

6:00 am-11:38 am

1 stop5h 38m

Cincinnati Cinci./N. Kentucky

Mon 9/21

12:43 pm-9:25 am

1 stop20h 42m

$138

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Thu 9/24

6:00 am-11:38 am

1 stop5h 38m

Cincinnati Cinci./N. Kentucky

Mon 9/28

12:43 pm-11:04 pm

1 stop10h 21m

$140

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 10/18

3:53 pm-5:21 pm

Nonstop1h 28m

Knoxville McGhee Tyson

Thu 10/22

2:01 pm-12:28 am

2 stops10h 27m

$151

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sun 11/1

8:16 am-9:44 am

Nonstop1h 28m

Knoxville McGhee Tyson

Thu 11/5

6:33 pm-12:28 am

2 stops29h 55m

$151

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Sat 9/5

7:40 pm-9:20 pm

Nonstop1h 40m

Cincinnati Cinci./N. Kentucky

Sun 9/6

4:20 pm-5:50 pm

Nonstop1h 30m

$157

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Sat 9/5

11:10 am-12:40 pm

Nonstop1h 30m

Cincinnati Cinci./N. Kentucky

Sun 9/6

6:30 am-8:00 am

Nonstop1h 30m

$157

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Sat 9/5

9:00 am-3:13 pm

1 stop6h 13m

Cincinnati Cinci./N. Kentucky

Sun 9/6

6:10 am-11:32 am

1 stop5h 22m

$177

BaltimoreCincinnati

BWI - CVG

BWICVG

Baltimore/Washington

Fri 12/25

5:30 pm-10:31 pm

1 stop5h 01m

Cincinnati Cinci./N. Kentucky

Sat 1/9

2:45 pm-7:41 pm

1 stop4h 56m

$196

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Other information

What is the cheapest month to fly to Kentucky?

If you’re not able to fly to Kentucky in August, then December is your next best option. Flight prices from Washington, D.C. to Kentucky during December average around $292.

What is the cheapest day to depart on your flight to Kentucky?

Our data shows that Saturday is the least expensive day to fly to Kentucky. Tickets to fly out on this day can be as low as $279. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $531. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kentucky.

What is the cheapest time of day to depart on your flight to Kentucky?

According to our data, the cheapest time of day to fly to Kentucky is in the evening. momondo users have found flights departing from Washington, D.C. to Kentucky in the evening for as low as $309. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Kentucky is at noon when prices are around $349.

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

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

How far in advance should I book a flight from Washington, D.C. to Kentucky?

You are more likely to see cheaper flights to Kentucky from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Kentucky for around $350 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kentucky from Washington, D.C. for as low as $219 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. to Kentucky 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 Washington, D.C. to Kentucky flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to Kentucky flight.

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

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

Best Price Found	$179
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Kentucky	43 airports

The best one-way flight to Kentucky from Washington, D.C. in the past 72 hours is $179. The best round-trip flight deal from Washington, D.C. to Kentucky found on momondo in the last 72 hours is $277.

The fastest flight from Washington, D.C. to Kentucky takes 1h 25m

Direct flights go from Washington, D.C. to Kentucky every day.

There are 43 airports in Kentucky. From Washington, D.C. there are direct flights to Cincinnati Cinci./N. Kentucky (CVG), Knoxville McGhee Tyson (TYS).

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Frequently asked questions about flying from Washington, D.C. to Kentucky

When did momondo last update prices for flights from Washington, D.C. to Kentucky?
Prices for flights from Washington, D.C. to Kentucky were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Kentucky?
The number of operators available for flights from Washington, D.C. to Kentucky is 7 as of August 2026.
How old do you have to be to fly from Washington, D.C. to Kentucky?
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 Washington, D.C. to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The travel and health documents you'll need for your trip to Kentucky may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kentucky. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. to Kentucky?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Kentucky is Embraer 175 (Enhanced Winglets), representing 24.41% of all bookings. The subsequent popular models are Embraer 175 at 20.59%, Canadair (Bombardier) Regional Jet 700 at 14.66%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 10.37%.

Best airlines flying from Washington, D.C. to Kentucky

Compare and see reviews for airlines that fly from Washington, D.C. to Kentucky with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $184	Free Cancellation	Rating 7.8 8,494 reviews	Search Delta flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 10,062 reviews	Search United Airlines flights
American Airlines	PriceFrom $194	Free Cancellation	Rating 7.1 11,855 reviews	Search American Airlines flights
Southwest	PriceFrom $248	Free Cancellation	Rating 8.0 4,220 reviews	Search Southwest flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Kentucky flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Kentucky that suits you.

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

Yes. momondo enables you to select and highlight flights to Kentucky from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Kentucky from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Kentucky from Washington, D.C. 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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Flights to Dallasfrom $61

Cheap flights from Washington, D.C. to Kentucky from $30

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Kentucky departing on 10/22. 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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JetBlue flights from Washington, D.C. to Kentucky

Our best JetBlue deals on Washington, D.C. to Kentucky flight tickets

Allegiant Air flights from Washington, D.C. to Kentucky

Our best Allegiant Air deals on Washington, D.C. to Kentucky flight tickets

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

What is the cheapest month to fly to Kentucky?

What is the cheapest day to depart on your flight to Kentucky?

What is the cheapest time of day to depart on your flight to Kentucky?

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

How far in advance should I book a flight from Washington, D.C. to Kentucky?

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

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

What is the cheapest airline that flies from Washington, D.C. to Kentucky?

What airlines fly to Kentucky?

How many flights depart from Washington, D.C. to Kentucky on average per day?

How many flights depart from Washington, D.C. to Kentucky on average per week?

How long is the flight from Washington, D.C. to Kentucky?

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

Best Price Found

Fastest flight time

Direct flights

Airports in Kentucky

Frequently asked questions about flying from Washington, D.C. to Kentucky

Best airlines flying from Washington, D.C. to Kentucky

Compare and see reviews for airlines that fly from Washington, D.C. to Kentucky with momondo

Why use momondo?

An easier way to manage your Kentucky trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Kentucky

Popular cities in Kentucky

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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