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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Lexington according to our data. United Airlines is the first choice among our users, with 94% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

As of April 2026, there is 1 operator available to choose from for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport.

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

The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$167 Cheap Flights from Lexington to Washington, D.C. Dulles Intl Airport in 2026

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:51 am - 11:09 pm

LEX

IAD

13h 18m

2 stops

7:27 pm - 8:55 pm

IAD

LEX

25h 28m

1 stop

$253Multiple Airlines

Thu, May 7 - Sun, May 10

9:31 pm - 11:39 am

LEX

IAD

14h 08m

1 stop

11:11 am - 10:30 am

IAD

LEX

23h 19m

2 stops

$255Multiple Airlines

Thu, Jun 4 - Tue, Jun 9

9:31 pm - 11:39 am

LEX

IAD

14h 08m

1 stop

1:38 pm - 11:27 am

IAD

LEX

21h 49m

1 stop

$264Multiple Airlines

Thu, Jun 4 - Tue, Jun 9

9:51 am - 11:09 pm

LEX

IAD

13h 18m

2 stops

7:27 pm - 8:55 pm

IAD

LEX

25h 28m

1 stop

$268Multiple Airlines

Thu, May 7 - Sun, May 10

9:31 pm - 2:12 pm

LEX

IAD

16h 41m

2 stops

6:22 pm - 2:16 pm

IAD

LEX

19h 54m

1 stop

$276Multiple Airlines

Thu, Jun 4 - Wed, Jun 10

9:32 am - 8:18 pm

LEX

IAD

10h 46m

1 stop

12:43 pm - 2:54 pm

IAD

LEX

26h 11m

1 stop

$280Allegiant Air

Fri, May 8 - Sun, May 10

9:32 am - 8:10 pm

LEX

IAD

10h 38m

1 stop

2:01 pm - 2:54 pm

IAD

LEX

24h 53m

2 stops

$282Allegiant Air

Mon, Apr 20 - Thu, Apr 23

9:32 am - 8:10 pm

LEX

IAD

10h 38m

1 stop

2:01 pm - 2:54 pm

IAD

LEX

24h 53m

2 stops

$284Allegiant Air

Mon, Apr 20 - Thu, Apr 23

9:17 am - 6:42 pm

LEX

IAD

9h 25m

1 stop

5:06 pm - 5:52 pm

IAD

LEX

24h 46m

1 stop

$287Multiple Airlines

Thu, Jun 4 - Sun, Jun 7

9:32 am - 8:18 pm

LEX

IAD

10h 46m

1 stop

2:01 pm - 2:54 pm

IAD

LEX

24h 53m

2 stops

$293Allegiant Air

Fri, May 8 - Sun, May 10

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

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

Delta

May 21

LEX8:20 pmLexington Blue Grass

4h 31m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

May 24

IAD6:00 amWashington, D.C. Dulles Intl

4h 02m

1 stop

LEX10:02 amLexington Blue Grass

$319

Delta

Apr 25

LEX10:53 amLexington Blue Grass

5h 37m

1 stop

IAD4:30 pmWashington, D.C. Dulles Intl

May 11

IAD5:33 pmWashington, D.C. Dulles Intl

4h 32m

1 stop

LEX10:05 pmLexington Blue Grass

$339

Delta

Apr 25

LEX6:00 amLexington Blue Grass

5h 53m

1 stop

IAD11:53 amWashington, D.C. Dulles Intl

Apr 28

IAD7:19 pmWashington, D.C. Dulles Intl

4h 35m

1 stop

LEX11:54 pmLexington Blue Grass

$359

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

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

Allegiant Air

May 8

LEX9:32 amLexington Blue Grass

10h 46m

1 stop

IAD8:18 pmWashington, D.C. Dulles Intl

May 10

IAD12:43 pmWashington, D.C. Dulles Intl

26h 11m

1 stop

LEX2:54 pmLexington Blue Grass

$280

Allegiant Air

Apr 20

LEX9:32 amLexington Blue Grass

10h 38m

1 stop

IAD8:10 pmWashington, D.C. Dulles Intl

Apr 23

IAD2:01 pmWashington, D.C. Dulles Intl

24h 53m

2 stops

LEX2:54 pmLexington Blue Grass

$282

Allegiant Air

Apr 20

LEX9:32 amLexington Blue Grass

10h 38m

1 stop

IAD8:10 pmWashington, D.C. Dulles Intl

Apr 23

IAD2:01 pmWashington, D.C. Dulles Intl

24h 53m

2 stops

LEX2:54 pmLexington Blue Grass

$284

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 5/7

9:51 am-11:09 pm

2 stops13h 18m

Washington, D.C. Dulles Intl

Sun 5/10

7:27 pm-8:55 pm

1 stop25h 28m

$253

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 6/4

9:31 pm-11:39 am

1 stop14h 08m

Washington, D.C. Dulles Intl

Tue 6/9

11:11 am-10:30 am

2 stops23h 19m

$255

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 6/4

9:31 pm-11:39 am

1 stop14h 08m

Washington, D.C. Dulles Intl

Tue 6/9

1:38 pm-11:27 am

1 stop21h 49m

$264

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 5/7

9:51 am-11:09 pm

2 stops13h 18m

Washington, D.C. Dulles Intl

Sun 5/10

7:27 pm-8:55 pm

1 stop25h 28m

$268

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 6/4

9:31 pm-2:12 pm

2 stops16h 41m

Washington, D.C. Dulles Intl

Wed 6/10

6:22 pm-2:16 pm

1 stop19h 54m

$276

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 5/8

9:32 am-8:18 pm

1 stop10h 46m

Washington, D.C. Dulles Intl

Sun 5/10

12:43 pm-2:54 pm

1 stop26h 11m

$280

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 4/20

9:32 am-8:10 pm

1 stop10h 38m

Washington, D.C. Dulles Intl

Thu 4/23

2:01 pm-2:54 pm

2 stops24h 53m

$282

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 4/20

9:32 am-8:10 pm

1 stop10h 38m

Washington, D.C. Dulles Intl

Thu 4/23

2:01 pm-2:54 pm

2 stops24h 53m

$284

Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 6/4

9:17 am-6:42 pm

1 stop9h 25m

Washington, D.C. Dulles Intl

Sun 6/7

5:06 pm-5:52 pm

1 stop24h 46m

$287

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 5/8

9:32 am-8:18 pm

1 stop10h 46m

Washington, D.C. Dulles Intl

Sun 5/10

2:01 pm-2:54 pm

2 stops24h 53m

$293

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 Lexington 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

Prices

Airlines

How have Lexington to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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

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

Estimated round-trip price

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

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

Fastest flight time	4h 05m
Direct flights	None

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 4h 05m

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

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Frequently asked questions about flying from Lexington to Washington, D.C. Dulles Intl Airport

How far is Lexington Blue Grass to Washington, D.C. Dulles Intl by plane?
Lexington Blue Grass and Washington, D.C. Dulles Intl are 386.2 mi apart from one another. Typically, this will take 4h 05m by plane in normal conditions.
When did momondo last update prices for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport refresh daily.
How many operators does momondo search for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport?
As of April 2026, there is 1 operator available to choose from for flights from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport.
How old do you have to be to fly from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lexington Blue Grass Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Lexington to Washington, D.C. Dulles Intl Airport?
Based on momondo bookings for flights between Lexington and Washington, D.C. Dulles Intl Airport, the leading airline is Delta, making up 100% of the total bookings.

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

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $159	Free Cancellation	Rating 7.9 8,383 reviews		Search Delta flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.1 11,556 reviews		Search American Airlines flights

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Waldorf

Woodbridge

Laurel

Colonial Beach

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Silver Spring

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Springfield

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

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

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

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

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

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

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

Yes momondo offers price alerts on flights to Washington, D.C. from Lexington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Lexington to Washington, D.C. from $167

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Lexington to Washington, D.C. departing on 4/20. 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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Delta flights from Lexington to Washington, D.C. Dulles Intl Airport

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

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

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

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See travel insights to Washington, D.C. from

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

How have Lexington to Washington, D.C. Dulles Intl Airport flight prices changed over time?

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Lexington to Washington, D.C. Dulles Intl Airport

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

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

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An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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