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

Delta, United Airlines, and Allegiant Air 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 March 2026, there are 2 operators 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.

$124 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:32 am - 8:18 pm

LEX

IAD

10h 46m

1 stop

6:18 pm - 8:44 pm

IAD

LEX

26h 26m

1 stop

$316Allegiant Air

Fri, May 8 - Sun, May 24

7:56 pm - 12:42 am

LEX

IAD

4h 46m

1 stop

6:00 am - 10:08 am

IAD

LEX

4h 08m

1 stop

$319Delta

Fri, Apr 17 - Sun, Apr 19

6:00 am - 11:46 am

LEX

IAD

5h 46m

1 stop

6:00 am - 10:08 am

IAD

LEX

4h 08m

1 stop

$339Delta

Wed, Apr 15 - Mon, Apr 20

9:31 am - 12:36 am

LEX

IAD

15h 05m

2 stops

12:43 pm - 2:54 pm

IAD

LEX

26h 11m

1 stop

$356Multiple Airlines

Thu, Apr 16 - Sun, Apr 19

1:11 pm - 6:41 pm

LEX

IAD

5h 30m

1 stop

3:53 pm - 9:58 pm

IAD

LEX

6h 05m

1 stop

$359American Airlines

Tue, Apr 14 - Tue, Apr 21

10:53 am - 4:15 pm

LEX

IAD

5h 22m

1 stop

5:07 pm - 10:34 pm

IAD

LEX

5h 27m

1 stop

$369Delta

Thu, Apr 23 - Mon, Apr 27

9:32 am - 8:18 pm

LEX

IAD

10h 46m

1 stop

7:27 pm - 12:30 pm

IAD

LEX

41h 03m

2 stops

$370Multiple Airlines

Fri, May 8 - Sun, May 24

12:22 pm - 2:12 pm

LEX

IAD

49h 50m

2 stops

6:18 pm - 6:07 pm

IAD

LEX

23h 49m

1 stop

$371Multiple Airlines

Wed, May 20 - Sun, May 31

8:10 pm - 12:10 am

LEX

IAD

4h 00m

1 stop

8:22 pm - 11:59 pm

IAD

LEX

3h 37m

1 stop

$379American Airlines

Thu, Jul 9 - Sun, Jul 12

11:51 am - 11:09 pm

LEX

IAD

11h 18m

2 stops

6:37 pm - 11:32 am

IAD

LEX

16h 55m

1 stop

$396Multiple Airlines

Sun, May 17 - Tue, May 19

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

Apr 17

LEX7:56 pmLexington Blue Grass

4h 46m

1 stop

IAD12:42 amWashington, D.C. Dulles Intl

Apr 19

IAD6:00 amWashington, D.C. Dulles Intl

4h 08m

1 stop

LEX10:08 amLexington Blue Grass

$319

Delta

Apr 15

LEX6:00 amLexington Blue Grass

5h 46m

1 stop

IAD11:46 amWashington, D.C. Dulles Intl

Apr 20

IAD6:00 amWashington, D.C. Dulles Intl

4h 08m

1 stop

LEX10:08 amLexington Blue Grass

$339

Delta

Apr 23

LEX10:53 amLexington Blue Grass

5h 22m

1 stop

IAD4:15 pmWashington, D.C. Dulles Intl

Apr 27

IAD5:07 pmWashington, D.C. Dulles Intl

5h 27m

1 stop

LEX10:34 pmLexington Blue Grass

$369

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

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

United Airlines

Apr 17

LEX6:01 pmLexington Blue Grass

6h 31m

1 stop

IAD12:32 amWashington, D.C. Dulles Intl

Apr 19

IAD5:26 pmWashington, D.C. Dulles Intl

5h 03m

1 stop

LEX10:29 pmLexington Blue Grass

$440

United Airlines

Apr 3

LEX5:30 amLexington Blue Grass

6h 18m

1 stop

IAD11:48 amWashington, D.C. Dulles Intl

Apr 6

IAD5:26 pmWashington, D.C. Dulles Intl

6h 33m

1 stop

LEX11:59 pmLexington Blue Grass

$459

United Airlines

Apr 15

LEX1:57 pmLexington Blue Grass

20h 50m

2 stops

IAD10:47 amWashington, D.C. Dulles Intl

Apr 22

IAD8:20 amWashington, D.C. Dulles Intl

4h 53m

1 stop

LEX1:13 pmLexington Blue Grass

$476

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

Fri 5/8

9:32 am-8:18 pm

1 stop10h 46m

Washington, D.C. Dulles Intl

Sun 5/24

6:18 pm-8:44 pm

1 stop26h 26m

$316

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/17

7:56 pm-12:42 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Sun 4/19

6:00 am-10:08 am

1 stop4h 08m

$319

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 4/15

6:00 am-11:46 am

1 stop5h 46m

Washington, D.C. Dulles Intl

Mon 4/20

6:00 am-10:08 am

1 stop4h 08m

$339

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 4/16

9:31 am-12:36 am

2 stops15h 05m

Washington, D.C. Dulles Intl

Sun 4/19

12:43 pm-2:54 pm

1 stop26h 11m

$356

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 4/14

1:11 pm-6:41 pm

1 stop5h 30m

Washington, D.C. Dulles Intl

Tue 4/21

3:53 pm-9:58 pm

1 stop6h 05m

$359

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 4/23

10:53 am-4:15 pm

1 stop5h 22m

Washington, D.C. Dulles Intl

Mon 4/27

5:07 pm-10:34 pm

1 stop5h 27m

$369

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 5/24

7:27 pm-12:30 pm

2 stops41h 03m

$370

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 5/20

12:22 pm-2:12 pm

2 stops49h 50m

Washington, D.C. Dulles Intl

Sun 5/31

6:18 pm-6:07 pm

1 stop23h 49m

$371

Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

8:10 pm-12:10 am

1 stop4h 00m

Washington, D.C. Dulles Intl

Sun 7/12

8:22 pm-11:59 pm

1 stop3h 37m

$379

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 5/17

11:51 am-11:09 pm

2 stops11h 18m

Washington, D.C. Dulles Intl

Tue 5/19

6:37 pm-11:32 am

1 stop16h 55m

$396

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	3h 47m
Direct flights	None

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 3h 47m

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.

Search flight deals

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 3h 47m 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 March 2026, there are 2 operators 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 54% of the total bookings. Other popular airlines include American Airlines with 46%.

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 8,313 reviews		Search Delta flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.1 11,488 reviews		Search American Airlines flights

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Waldorf

Woodbridge

Colonial Beach

Laurel

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Silver Spring

Fredericksburg

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Manassas

Springfield

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Sterling

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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 $124

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 6/12. 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

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

Our best United Airlines 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

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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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