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.

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

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

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.

$137 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.

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 pm - 7:27 am

LEX

IAD

9h 42m

1 stop

6:00 am - 8:55 pm

IAD

LEX

14h 55m

2 stops

$266Multiple Airlines

Fri, Apr 24 - Fri, May 1

9:12 pm - 3:14 pm

LEX

IAD

18h 02m

1 stop

7:40 am - 8:55 pm

IAD

LEX

13h 15m

2 stops

$276Multiple Airlines

Thu, May 7 - Mon, May 11

9:45 pm - 7:27 am

LEX

IAD

9h 42m

1 stop

12:43 pm - 2:54 pm

IAD

LEX

26h 11m

1 stop

$283Multiple Airlines

Fri, Apr 17 - Sun, Apr 19

9:32 am - 8:10 pm

LEX

IAD

10h 38m

1 stop

2:01 pm - 2:54 pm

IAD

LEX

24h 53m

2 stops

$288Allegiant Air

Fri, Apr 17 - Sun, Apr 19

9:31 am - 12:36 am

LEX

IAD

15h 05m

2 stops

12:43 pm - 2:54 pm

IAD

LEX

26h 11m

1 stop

$311Multiple Airlines

Thu, Apr 23 - Sun, Apr 26

9:32 am - 8:01 pm

LEX

IAD

10h 29m

1 stop

12:43 pm - 2:54 pm

IAD

LEX

26h 11m

1 stop

$313Allegiant Air

Fri, Apr 24 - Sun, Apr 26

8:20 pm - 12:51 am

LEX

IAD

4h 31m

1 stop

6:00 am - 10:02 am

IAD

LEX

4h 02m

1 stop

$319Delta

Thu, May 21 - Sun, May 24

9:32 am - 8:01 pm

LEX

IAD

10h 29m

1 stop

2:01 pm - 2:54 pm

IAD

LEX

24h 53m

2 stops

$326Allegiant Air

Fri, Apr 24 - Sun, Apr 26

9:32 am - 8:18 pm

LEX

IAD

10h 46m

1 stop

2:01 pm - 8:42 am

IAD

LEX

18h 41m

2 stops

$334Allegiant Air

Fri, May 8 - Sun, May 10

7:56 pm - 12:42 am

LEX

IAD

4h 46m

1 stop

7:06 am - 1:34 pm

IAD

LEX

6h 28m

1 stop

$339Delta

Fri, Apr 24 - Tue, May 5

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

Apr 24

LEX9:32 amLexington Blue Grass

10h 29m

1 stop

IAD8:01 pmWashington, D.C. Dulles Intl

Apr 26

IAD12:43 pmWashington, D.C. Dulles Intl

26h 11m

1 stop

LEX2:54 pmLexington Blue Grass

$313

Allegiant Air

Apr 24

LEX9:32 amLexington Blue Grass

10h 29m

1 stop

IAD8:01 pmWashington, D.C. Dulles Intl

Apr 26

IAD2:01 pmWashington, D.C. Dulles Intl

24h 53m

2 stops

LEX2:54 pmLexington Blue Grass

$326

Allegiant Air

May 8

LEX9:32 amLexington Blue Grass

10h 46m

1 stop

IAD8:18 pmWashington, D.C. Dulles Intl

May 10

IAD2:01 pmWashington, D.C. Dulles Intl

18h 41m

2 stops

LEX8:42 amLexington Blue Grass

$334

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 8

LEX8:19 pmLexington Blue Grass

4h 32m

1 stop

IAD12:51 amWashington, D.C. Dulles Intl

May 11

IAD5:33 pmWashington, D.C. Dulles Intl

4h 32m

1 stop

LEX10:05 pmLexington Blue Grass

$319

Delta

Apr 24

LEX7:56 pmLexington Blue Grass

4h 46m

1 stop

IAD12:42 amWashington, D.C. Dulles Intl

May 5

IAD7:06 amWashington, D.C. Dulles Intl

6h 28m

1 stop

LEX1:34 pmLexington Blue Grass

$339

Delta

Apr 24

LEX5:50 pmLexington Blue Grass

5h 13m

1 stop

IAD11:03 pmWashington, D.C. Dulles Intl

May 1

IAD3:00 pmWashington, D.C. Dulles Intl

6h 23m

1 stop

LEX9:23 pmLexington Blue Grass

$379

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 4/24

9:45 pm-7:27 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Fri 5/1

6:00 am-8:55 pm

2 stops14h 55m

$266

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 5/7

9:12 pm-3:14 pm

1 stop18h 02m

Washington, D.C. Dulles Intl

Mon 5/11

7:40 am-8:55 pm

2 stops13h 15m

$276

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/17

9:45 pm-7:27 am

1 stop9h 42m

Washington, D.C. Dulles Intl

Sun 4/19

12:43 pm-2:54 pm

1 stop26h 11m

$283

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/17

9:32 am-8:10 pm

1 stop10h 38m

Washington, D.C. Dulles Intl

Sun 4/19

2:01 pm-2:54 pm

2 stops24h 53m

$288

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 4/23

9:31 am-12:36 am

2 stops15h 05m

Washington, D.C. Dulles Intl

Sun 4/26

12:43 pm-2:54 pm

1 stop26h 11m

$311

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/24

9:32 am-8:01 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sun 4/26

12:43 pm-2:54 pm

1 stop26h 11m

$313

Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 5/21

8:20 pm-12:51 am

1 stop4h 31m

Washington, D.C. Dulles Intl

Sun 5/24

6:00 am-10:02 am

1 stop4h 02m

$319

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/24

9:32 am-8:01 pm

1 stop10h 29m

Washington, D.C. Dulles Intl

Sun 4/26

2:01 pm-2:54 pm

2 stops24h 53m

$326

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-8:42 am

2 stops18h 41m

$334

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 4/24

7:56 pm-12:42 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Tue 5/5

7:06 am-1:34 pm

1 stop6h 28m

$339

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 59m
Direct flights	None

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 3h 59m

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 59m 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 8,341 reviews		Search Delta flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.1 11,506 reviews		Search American Airlines flights

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Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

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Manassas

Sterling

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Springfield

Bethesda

Why use momondo?

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 $137

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 4/24. 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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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

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

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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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Direct flights

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

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