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 96% 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?

United Airlines and Delta 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 October 2026, there are 3 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.

$156 Cheap Flights from Lexington to Washington, D.C. Dulles Intl Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

5:53 pm - 10:02 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

28h 09m1 stop Fort Lauderdale

3:34 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

24h 31m1 stop Fort Lauderdale

$252Multiple Airlines

Sun, Nov 22 - Wed, Dec 2

8:03 pm - 8:25 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

12h 22m1 stop Sarasota Bradenton Intl

3:34 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

24h 31m1 stop Fort Lauderdale

$253Multiple Airlines

Mon, Nov 23 - Wed, Dec 2

5:53 pm - 10:02 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

28h 09m1 stop Fort Lauderdale

10:33 pm - 4:05 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

17h 32m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$276Multiple Airlines

Sun, Nov 22 - Wed, Dec 2

6:00 am - 11:39 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 39m1 stop Atlanta Hartsfield-Jackson

10:11 am - 5:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

7h 01m1 stop Atlanta Hartsfield-Jackson

$279Delta

Mon, Dec 7 - Wed, Dec 9

10:33 am - 3:40 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 07m1 stop Charlotte Douglas

4:13 pm - 9:10 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 57m1 stop Charlotte Douglas

$279American Airlines

Thu, Jan 28 - Sat, Jan 30

5:03 pm - 9:12 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 09m1 stop Charlotte Douglas

8:03 pm - 12:05 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 02m1 stop Charlotte Douglas

$279American Airlines

Sat, Dec 5 - Sun, Dec 6

5:00 am - 9:10 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 10m1 stop Charlotte Douglas

8:03 pm - 12:05 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 02m1 stop Charlotte Douglas

$279American Airlines

Fri, Dec 11 - Sun, Dec 13

5:32 pm - 11:10 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 38m1 stop Detroit Metropolitan Wayne County

10:43 am - 4:41 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 58m1 stop Atlanta Hartsfield-Jackson

$299Delta

Wed, Dec 23 - Sun, Dec 27

7:10 am - 11:52 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 42m1 stop Chicago O'Hare Intl

1:15 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 55m1 stop Chicago O'Hare Intl

$429United Airlines

Sat, Nov 14 - Thu, Nov 19

9:00 am - 1:35 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Chicago O'Hare Intl

3:15 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 20m1 stop Chicago O'Hare Intl

$469United Airlines

Sat, Nov 7 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:07 pm - 11:58 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 51m1 stop Charlotte Douglas

5:15 pm - 11:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 57m1 stop Charlotte Douglas

$509American Airlines

Thu, Oct 29 - Mon, Nov 2

1:10 pm - 6:45 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 35m1 stop Charlotte Douglas

10:44 am - 11:48 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

13h 04m2 stops Charlotte Douglas Chicago O'Hare Intl

$514American Airlines

Thu, Oct 29 - Mon, Nov 2

1:56 pm - 7:28 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

17h 32m2 stops Chicago O'Hare Intl Buffalo

10:15 am - 5:40 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

7h 25m1 stop Chicago O'Hare Intl

$524United Airlines

Sat, Oct 24 - Sun, Oct 25

6:07 pm - 11:58 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 51m1 stop Charlotte Douglas

5:15 pm - 11:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 57m1 stop Charlotte Douglas

$549American Airlines

Thu, Oct 29 - Mon, Nov 2

11:20 am - 10:21 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

23h 01m1 stop Orlando Sanford Intl

6:07 pm - 8:23 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

26h 16m1 stop Fort Lauderdale

$603Multiple Airlines

Tue, Oct 27 - Wed, Oct 28

1:04 pm - 8:14 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Atlanta Hartsfield-Jackson

6:05 am - 9:48 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 43m1 stop Detroit Metropolitan Wayne County

$604Delta

Sat, Oct 24 - Tue, Oct 27

1:04 pm - 8:14 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

7h 10m1 stop Atlanta Hartsfield-Jackson

6:05 am - 9:48 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 43m1 stop Detroit Metropolitan Wayne County

$604Delta

Sat, Oct 24 - Tue, Oct 27

6:09 pm - 10:52 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 43m1 stop Chicago O'Hare Intl

3:37 pm - 8:35 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 58m1 stop Chicago O'Hare Intl

$659United Airlines

Sat, Oct 24 - Sun, Oct 25

11:20 am - 10:21 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

23h 01m1 stop Orlando Sanford Intl

9:06 pm - 8:23 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

23h 17m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$667Multiple Airlines

Tue, Oct 27 - Wed, Oct 28

9:00 am - 1:35 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 35m1 stop Chicago O'Hare Intl

12:55 pm - 7:10 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

6h 15m2 stops Clarksburg Benedum Chicago O'Hare Intl

$811United Airlines

Thu, Oct 29 - Sat, Oct 31

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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

Allegiant Air

Nov 11

LEX5:35 pmLexington Blue Grass

23h 41m

1 stop

IAD5:16 pmWashington, D.C. Dulles Intl

Nov 15

IAD6:41 pmWashington, D.C. Dulles Intl

16h 05m

1 stop

LEX10:46 amLexington Blue Grass

$421

Allegiant Air

Dec 20

LEX10:42 amLexington Blue Grass

22h 54m

1 stop

IAD9:36 amWashington, D.C. Dulles Intl

Dec 22

IAD5:41 pmWashington, D.C. Dulles Intl

24h 14m

1 stop

LEX5:55 pmLexington Blue Grass

$508

Allegiant Air

Nov 23

LEX8:03 pmLexington Blue Grass

12h 22m

1 stop

IAD8:25 amWashington, D.C. Dulles Intl

Nov 29

IAD7:24 pmWashington, D.C. Dulles Intl

12h 46m

1 stop

LEX8:10 amLexington Blue Grass

$558

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

Nov 14

LEX7:10 amLexington Blue Grass

4h 42m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

Nov 19

IAD1:15 pmWashington, D.C. Dulles Intl

5h 55m

1 stop

LEX7:10 pmLexington Blue Grass

$429

United Airlines

Nov 14

LEX7:10 amLexington Blue Grass

6h 25m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

Nov 18

IAD8:23 amWashington, D.C. Dulles Intl

4h 50m

1 stop

LEX1:13 pmLexington Blue Grass

$519

United Airlines

Dec 9

LEX10:50 amLexington Blue Grass

5h 43m

1 stop

IAD4:33 pmWashington, D.C. Dulles Intl

Dec 9

IAD5:40 pmWashington, D.C. Dulles Intl

6h 16m

1 stop

LEX11:56 pmLexington Blue Grass

$521

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 Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 11/22

5:53 pm-10:02 pm

1 stop28h 09m

Washington, D.C. Dulles Intl

Wed 12/2

3:34 pm-4:05 pm

1 stop24h 31m

$252

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 11/23

8:03 pm-8:25 am

1 stop12h 22m

Washington, D.C. Dulles Intl

Wed 12/2

3:34 pm-4:05 pm

1 stop24h 31m

$253

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 11/22

5:53 pm-10:02 pm

1 stop28h 09m

Washington, D.C. Dulles Intl

Wed 12/2

10:33 pm-4:05 pm

2 stops17h 32m

$276

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 12/7

6:00 am-11:39 am

1 stop5h 39m

Washington, D.C. Dulles Intl

Wed 12/9

10:11 am-5:12 pm

1 stop7h 01m

$279

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Thu 1/28

10:33 am-3:40 pm

1 stop5h 07m

Washington, D.C. Dulles Intl

Sat 1/30

4:13 pm-9:10 pm

1 stop4h 57m

$279

Quickest round-trip

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sat 12/5

5:03 pm-9:12 pm

1 stop4h 09m

Washington, D.C. Dulles Intl

Sun 12/6

8:03 pm-12:05 am

1 stop4h 02m

$279

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Fri 12/11

5:00 am-9:10 am

1 stop4h 10m

Washington, D.C. Dulles Intl

Sun 12/13

8:03 pm-12:05 am

1 stop4h 02m

$279

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Wed 12/23

5:32 pm-11:10 pm

1 stop5h 38m

Washington, D.C. Dulles Intl

Sun 12/27

10:43 am-4:41 pm

1 stop5h 58m

$299

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sat 11/14

7:10 am-11:52 am

1 stop4h 42m

Washington, D.C. Dulles Intl

Thu 11/19

1:15 pm-7:10 pm

1 stop5h 55m

$429

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sat 11/7

9:00 am-1:35 pm

1 stop4h 35m

Washington, D.C. Dulles Intl

Wed 11/11

3:15 pm-8:35 pm

1 stop5h 20m

$469

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

Best Price Found	$156
Fastest flight time	3h 54m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Lexington in the past 72 hours is $156. The best round-trip flight deal from Lexington to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $252.

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 3h 54m

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

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 3h 54m 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 October 2026, there are 3 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 39% of the total bookings. Other popular airlines include United Airlines with 34% and American Airlines with 27%.

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
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.0 12,190 reviews	Search American Airlines flights
Delta	PriceFrom $348	Free Cancellation	Rating 7.8 8,668 reviews	Search Delta flights
United Airlines	PriceFrom $374	Free Cancellation	Rating 7.3 10,419 reviews	Search United Airlines flights

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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 $156

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 11/22. 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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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

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

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

Best Price Found

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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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