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

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.

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.

$103 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.

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

$248Multiple Airlines

Mon, Nov 23 - Wed, Dec 2

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

12h 22m1 stop Sarasota Bradenton Intl

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

17h 32m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$281Multiple Airlines

Mon, Nov 23 - Wed, Dec 2

9:13 pm - 8:11 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

22h 58m1 stop Fort Lauderdale

6:36 pm - 10:30 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

15h 54m2 stops Blountville Tri Cities TN/VA Orlando

$291Multiple Airlines

Thu, Oct 29 - Mon, Nov 2

6:00 am - 9:55 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 55m1 stop Atlanta Hartsfield-Jackson

5:00 pm - 10:49 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 49m1 stop Atlanta Hartsfield-Jackson

$369Delta

Thu, Nov 26 - Thu, Nov 26

5:49 pm - 11:21 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 32m1 stop Detroit Metropolitan Wayne County

6:00 am - 10:10 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 10m1 stop Detroit Metropolitan Wayne County

$369Delta

Thu, Nov 12 - Sun, Nov 15

5:59 pm - 11:54 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 55m1 stop Charlotte Douglas

7:17 pm - 11:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 55m1 stop Charlotte Douglas

$369American Airlines

Fri, Nov 13 - Mon, Nov 16

5:00 am - 8:59 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 59m1 stop Charlotte Douglas

5:41 pm - 11:58 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

6h 17m1 stop Charlotte Douglas

$369American Airlines

Fri, Nov 20 - Mon, Nov 23

8:11 pm - 11:54 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 43m1 stop Charlotte Douglas

11:48 am - 6:43 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

6h 55m1 stop Charlotte Douglas

$369American Airlines

Thu, Nov 12 - Sat, Nov 14

8:30 am - 4:03 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

7h 33m1 stop Chicago O'Hare Intl

8:15 am - 1:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 57m1 stop Chicago O'Hare Intl

$429United Airlines

Thu, Dec 24 - Mon, Dec 28

8:31 am - 2:12 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 41m1 stop Chicago O'Hare Intl

6:10 am - 1:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

7h 02m1 stop Chicago O'Hare Intl

$449United Airlines

Wed, Dec 23 - Sun, Dec 27

Cheap last minute flights

Enter your travel dates to find the best prices.

1:04 pm - 5:10 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 06m1 stop Atlanta Hartsfield-Jackson

6:00 am - 9:53 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 53m1 stop Detroit Metropolitan Wayne County

$514Delta

Sat, Oct 17 - Mon, Nov 16

7:45 am - 11:34 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 49m1 stop Detroit Metropolitan Wayne County

6:00 am - 9:58 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 58m1 stop Detroit Metropolitan Wayne County

$514Delta

Sat, Oct 17 - Sat, Nov 14

8:19 pm - 12:42 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 23m1 stop Atlanta Hartsfield-Jackson

6:00 am - 9:58 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 58m1 stop Detroit Metropolitan Wayne County

$514Delta

Fri, Oct 16 - Sat, Nov 14

5:00 am - 8:44 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 44m1 stop Charlotte Douglas

10:46 am - 4:33 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 47m1 stop Charlotte Douglas

$559American Airlines

Sun, Oct 18 - Wed, Dec 16

8:03 pm - 11:58 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 55m1 stop Charlotte Douglas

5:04 pm - 8:59 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

3h 55m1 stop Charlotte Douglas

$559American Airlines

Sun, Oct 18 - Mon, Dec 14

5:00 am - 8:44 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

3h 44m1 stop Charlotte Douglas

7:14 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 01m1 stop Charlotte Douglas

$559American Airlines

Sun, Oct 18 - Tue, Dec 15

8:50 am - 4:01 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

7h 11m1 stop Chicago O'Hare Intl

5:20 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

6h 35m1 stop Chicago O'Hare Intl

$584United Airlines

Sat, Oct 17 - Thu, Oct 22

6:00 am - 11:55 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 55m1 stop Chicago O'Hare Intl

10:30 am - 5:11 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

6h 41m1 stop Chicago O'Hare Intl

$604United Airlines

Sat, Oct 17 - Tue, Oct 20

4:34 pm - 10:17 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

17h 43m1 stop Orlando Sanford Intl

3:01 pm - 7:55 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

40h 54m2 stops South Bend/Michiana Orlando Sanford Intl

$677Multiple Airlines

Mon, Oct 19 - Fri, Oct 23

12:12 pm - 8:11 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

7h 59m1 stop Fort Lauderdale

12:25 pm - 9:58 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

21h 33m2 stops Plattsburgh Intl Tampa St. Petersburg

$807Multiple Airlines

Sat, Oct 17 - Mon, Oct 19

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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

Delta

Nov 12

LEX6:00 amLexington Blue Grass

5h 37m

1 stop

IAD11:37 amWashington, D.C. Dulles Intl

Nov 14

IAD3:00 pmWashington, D.C. Dulles Intl

4h 03m

1 stop

LEX7:03 pmLexington Blue Grass

$369

Delta

Nov 22

LEX5:49 pmLexington Blue Grass

5h 32m

1 stop

IAD11:21 pmWashington, D.C. Dulles Intl

Nov 30

IAD7:37 pmWashington, D.C. Dulles Intl

4h 21m

1 stop

LEX11:58 pmLexington Blue Grass

$389

Delta

Nov 30

LEX7:55 pmLexington Blue Grass

4h 46m

1 stop

IAD12:41 amWashington, D.C. Dulles Intl

Dec 5

IAD11:30 amWashington, D.C. Dulles Intl

5h 49m

1 stop

LEX5:19 pmLexington Blue Grass

$399

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

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

American Airlines

Nov 12

LEX5:14 amLexington Blue Grass

7h 39m

2 stops

IAD12:53 pmWashington, D.C. Dulles Intl

Nov 15

IAD6:00 amWashington, D.C. Dulles Intl

6h 48m

1 stop

LEX12:48 pmLexington Blue Grass

$374

American Airlines

Nov 12

LEX5:14 amLexington Blue Grass

7h 39m

2 stops

IAD12:53 pmWashington, D.C. Dulles Intl

Nov 14

IAD7:00 amWashington, D.C. Dulles Intl

11h 24m

2 stops

LEX6:24 pmLexington Blue Grass

$379

American Airlines

Nov 7

LEX11:26 amLexington Blue Grass

7h 21m

2 stops

IAD6:47 pmWashington, D.C. Dulles Intl

Nov 9

IAD5:15 pmWashington, D.C. Dulles Intl

3h 40m

1 stop

LEX8:55 pmLexington Blue Grass

$414

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

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

$248

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

10:33 pm-4:05 pm

2 stops17h 32m

$281

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 10/29

9:13 pm-8:11 pm

1 stop22h 58m

Washington, D.C. Dulles Intl

Mon 11/2

6:36 pm-10:30 am

2 stops15h 54m

$291

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 11/26

6:00 am-9:55 am

1 stop3h 55m

Washington, D.C. Dulles Intl

Thu 11/26

5:00 pm-10:49 pm

1 stop5h 49m

$369

Quickest round-trip

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 11/12

5:49 pm-11:21 pm

1 stop5h 32m

Washington, D.C. Dulles Intl

Sun 11/15

6:00 am-10:10 am

1 stop4h 10m

$369

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Fri 11/13

5:59 pm-11:54 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Mon 11/16

7:17 pm-11:12 pm

1 stop3h 55m

$369

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Fri 11/20

5:00 am-8:59 am

1 stop3h 59m

Washington, D.C. Dulles Intl

Mon 11/23

5:41 pm-11:58 pm

1 stop6h 17m

$369

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 11/12

8:11 pm-11:54 pm

1 stop3h 43m

Washington, D.C. Dulles Intl

Sat 11/14

11:48 am-6:43 pm

1 stop6h 55m

$369

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 12/24

8:30 am-4:03 pm

1 stop7h 33m

Washington, D.C. Dulles Intl

Mon 12/28

8:15 am-1:12 pm

1 stop4h 57m

$429

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Wed 12/23

8:31 am-2:12 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Sun 12/27

6:10 am-1:12 pm

1 stop7h 02m

$449

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	$103
Fastest flight time	3h 49m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Lexington in the past 72 hours is $103. The best round-trip flight deal from Lexington to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $248.

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 3h 49m

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 3h 49m 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 12,165 reviews	Search American Airlines flights
Delta	PriceFrom $348	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
United Airlines	PriceFrom $374	Free Cancellation	Rating 7.4 10,362 reviews	Search United Airlines flights

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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 $103

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 11/17. 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

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

Our best American Airlines 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

Best Price Found

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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