Which airline has the best punctuality record on Washington, D.C. to Lexington flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What is the most punctual flight time for Washington, D.C. to Lexington flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What airlines fly to Lexington?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Lexington from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 88% of people opting to fly with this airline when traveling to Lexington. Keep in mind that there are 4 different airlines that fly to Lexington on a routine basis, so you have a few additional options to choose from.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Lexington Blue Grass?

Delta, American Airlines, and Allegiant Air are the most popular carriers operating from Washington, D.C. Dulles Intl to Lexington Blue Grass

How often are flights from Washington, D.C. to Lexington delayed?

Historically, on average around 13% of flights between Washington, D.C. and Lexington have experienced a delay on any given week. The average delay length over the past 12 months has been 64 minutes.

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

Prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport.

What documentation or ID do you need to fly to Lexington Blue Grass Airport?

The travel and health documents you'll need for your trip to Lexington Blue Grass Airport 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 Lexington Blue Grass Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$113 Cheap Flights from Washington, D.C. Dulles Intl Airport to Lexington in 2025/26

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Lexington

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One-way

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Cheap round-trip flights

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6:00 am - 9:52 amIAD-LEX

3h 52m1 stop

3:41 pm - 9:29 pmLEX-IAD

5h 48m1 stop

$199Delta

Find Deal

Thu, Dec 11 - Sun, Dec 14

11:06 am - 5:21 pmIAD-LEX

6h 15m1 stop

6:02 pm - 11:08 pmLEX-IAD

5h 06m1 stop

$209Delta

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Thu, Dec 4 - Thu, Dec 11

5:29 pm - 9:27 pmIAD-LEX

3h 58m1 stop

4:35 pm - 11:08 pmLEX-IAD

6h 33m1 stop

$277American Airlines

Find Deal

Tue, Dec 2 - Wed, Dec 3

6:44 am - 10:47 amIAD-LEX

4h 03m1 stop

7:18 pm - 11:07 pmLEX-IAD

3h 49m1 stop

$319American Airlines

Find Deal

Sat, Nov 22 - Mon, Nov 24

9:10 am - 8:51 pmIAD-LEX

11h 41m1 stop

11:16 am - 11:59 pmLEX-IAD

12h 43m2 stops

$334Multiple Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

9:10 am - 8:51 pmIAD-LEX

11h 41m1 stop

11:16 am - 11:59 pmLEX-IAD

12h 43m2 stops

$359Multiple Airlines

Find Deal

Fri, Nov 21 - Sun, Nov 23

6:30 am - 1:16 pmIAD-LEX

6h 46m1 stop

8:35 am - 4:00 pmLEX-IAD

7h 25m1 stop

$417United Airlines

Find Deal

Sun, Jan 4 - Tue, Jan 6

9:10 am - 8:51 pmIAD-LEX

11h 41m1 stop

8:57 pm - 2:08 pmLEX-IAD

17h 11m2 stops

$468Allegiant Air

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Fri, Nov 21 - Mon, Nov 24

12:40 pm - 5:10 pmIAD-LEX

4h 30m1 stop

7:05 am - 11:49 amLEX-IAD

4h 44m1 stop

$477United Airlines

Find Deal

Thu, Nov 20 - Mon, Nov 24

6:55 pm - 3:00 pmIAD-LEX

20h 05m1 stop

8:57 pm - 2:08 pmLEX-IAD

17h 11m2 stops

$481Allegiant Air

Find Deal

Thu, Nov 20 - Mon, Nov 24

Delta flights from Washington, D.C. Dulles Intl Airport to Lexington

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets

Delta

Dec 11

IAD6:00 amWashington, D.C. Dulles Intl

3h 52m

1 stop

LEX9:52 amLexington Blue Grass

Dec 14

LEX3:41 pmLexington Blue Grass

5h 48m

1 stop

IAD9:29 pmWashington, D.C. Dulles Intl

$199

Find similar

Delta

Dec 4

IAD11:06 amWashington, D.C. Dulles Intl

6h 15m

1 stop

LEX5:21 pmLexington Blue Grass

Dec 11

LEX6:02 pmLexington Blue Grass

5h 06m

1 stop

IAD11:08 pmWashington, D.C. Dulles Intl

$209

Find similar

Delta

Dec 5

IAD7:35 pmWashington, D.C. Dulles Intl

4h 33m

1 stop

LEX12:08 amLexington Blue Grass

Dec 12

LEX6:02 pmLexington Blue Grass

5h 06m

1 stop

IAD11:08 pmWashington, D.C. Dulles Intl

$229

Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets

United Airlines

Jan 4

IAD6:30 amWashington, D.C. Dulles Intl

6h 46m

1 stop

LEX1:16 pmLexington Blue Grass

Jan 6

LEX8:35 amLexington Blue Grass

7h 25m

1 stop

IAD4:00 pmWashington, D.C. Dulles Intl

$417

Find similar

United Airlines

Nov 20

IAD12:40 pmWashington, D.C. Dulles Intl

4h 30m

1 stop

LEX5:10 pmLexington Blue Grass

Nov 24

LEX7:05 amLexington Blue Grass

4h 44m

1 stop

IAD11:49 amWashington, D.C. Dulles Intl

$477

Find similar

United Airlines

Dec 5

IAD8:25 amWashington, D.C. Dulles Intl

14h 05m

2 stops

LEX10:30 pmLexington Blue Grass

Dec 12

LEX7:00 amLexington Blue Grass

4h 44m

1 stop

IAD11:44 amWashington, D.C. Dulles Intl

$487

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 12/11

6:00 am-9:52 am

1 stop3h 52m

Lexington Blue Grass

Sun 12/14

3:41 pm-9:29 pm

1 stop5h 48m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 12/4

11:06 am-5:21 pm

1 stop6h 15m

Lexington Blue Grass

Thu 12/11

6:02 pm-11:08 pm

1 stop5h 06m

$209

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Tue 12/2

5:29 pm-9:27 pm

1 stop3h 58m

Lexington Blue Grass

Wed 12/3

4:35 pm-11:08 pm

1 stop6h 33m

$277

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 11/22

6:44 am-10:47 am

1 stop4h 03m

Lexington Blue Grass

Mon 11/24

7:18 pm-11:07 pm

1 stop3h 49m

$319

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/21

9:10 am-8:51 pm

1 stop11h 41m

Lexington Blue Grass

Sun 11/23

11:16 am-11:59 pm

2 stops12h 43m

$334

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/21

9:10 am-8:51 pm

1 stop11h 41m

Lexington Blue Grass

Sun 11/23

11:16 am-11:59 pm

2 stops12h 43m

$359

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sun 1/4

6:30 am-1:16 pm

1 stop6h 46m

Lexington Blue Grass

Tue 1/6

8:35 am-4:00 pm

1 stop7h 25m

$417

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/21

9:10 am-8:51 pm

1 stop11h 41m

Lexington Blue Grass

Mon 11/24

8:57 pm-2:08 pm

2 stops17h 11m

$468

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 11/20

12:40 pm-5:10 pm

1 stop4h 30m

Lexington Blue Grass

Mon 11/24

7:05 am-11:49 am

1 stop4h 44m

$477

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 11/20

6:55 pm-3:00 pm

1 stop20h 05m

Lexington Blue Grass

Mon 11/24

8:57 pm-2:08 pm

2 stops17h 11m

$481

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Delays

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

On average, the least expensive day to fly to Lexington from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $295. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $459.

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

The cheapest time of day to fly to Lexington is in the evening when flights can be purchased for as low as $306. Try not to purchase tickets at noon because they tend to be around $433. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Dulles Intl Airport to Lexington

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Lexington according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Lexington (IAD to LEX) flight deals and tips

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

Direct flights	None

There are no direct flights from Washington, D.C. Dulles Intl Airport to Lexington. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Lexington.

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How far is Washington, D.C. Dulles Intl to Lexington Blue Grass by plane?
The distance between Washington, D.C. Dulles Intl and Lexington Blue Grass is about 386.2 mi. Typically, this will take 3h 42m by plane in normal conditions.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?
Prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?
As of November 2025, there are 2 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport.
What documentation or ID do you need to fly to Lexington Blue Grass Airport?
The travel and health documents you'll need for your trip to Lexington Blue Grass Airport 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 Lexington Blue Grass Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Lexington?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Lexington is American Airlines, representing 57% of all bookings. The subsequent popular airline is Delta at 43%.

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Lexington with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $238	Free Cancellation	Rating 7.2 11,040 reviews		Search American Airlines flights
Delta	PriceFrom $279	Free Cancellation	Rating 7.9 8,001 reviews		Search Delta flights

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Winchester

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Lexington. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Lexington from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lexington from Washington, D.C..

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

If you are simply researching potential flights to Lexington, momondo offers a useful price alert feature which will track prices for flights to Lexington from Washington, D.C. and alert you when they change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Lexington from $113

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Lexington

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Delta flights from Washington, D.C. Dulles Intl Airport to Lexington

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets

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

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 day to depart on your flight to Lexington?

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

The cheapest time of day to fly to Lexington is in the evening when flights can be purchased for as low as $306. Try not to purchase tickets at noon because they tend to be around $433. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Lexington Blue Grass?

Delta, American Airlines, and Allegiant Air are the most popular carriers operating from Washington, D.C. Dulles Intl to Lexington Blue Grass

What airlines fly to Lexington?

How often are flights from Washington, D.C. to Lexington delayed?

Historically, on average around 13% of flights between Washington, D.C. and Lexington have experienced a delay on any given week. The average delay length over the past 12 months has been 64 minutes.

What is the most punctual flight time for Washington, D.C. to Lexington flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to Lexington flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

When to book flights from Washington, D.C. Dulles Intl Airport to Lexington

Cheap Washington, D.C. Dulles Intl Airport to Lexington (IAD to LEX) flight deals and tips

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

Direct flights

How far is Washington, D.C. Dulles Intl to Lexington Blue Grass by plane?

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

What documentation or ID do you need to fly to Lexington Blue Grass Airport?

What is the most popular airline from Washington, D.C. Dulles Intl Airport to Lexington?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Lexington with momondo

Traveling to a place near Lexington?

Why use momondo?

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

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

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

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

An easier way to manage your Lexington 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 the United States

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