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

Delta is the most popular carrier 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 November 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.

$146 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.

5:59 pm - 10:14 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

28h 15m1 stop Fort Lauderdale

10:21 am - 4:01 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

29h 40m1 stop Sarasota Bradenton Intl

$301Multiple Airlines

Tue, Dec 22 - Thu, Jan 7

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

$307American Airlines

Thu, Dec 10 - Sun, Dec 13

7:05 am - 11:43 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 38m1 stop Atlanta Hartsfield-Jackson

7:39 pm - 12:04 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 25m1 stop Atlanta Hartsfield-Jackson

$309Delta

Wed, Dec 9 - Sun, Dec 13

7:59 pm - 12:41 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 42m1 stop Atlanta Hartsfield-Jackson

7:39 pm - 12:04 amIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 25m1 stop Atlanta Hartsfield-Jackson

$309Delta

Fri, Dec 11 - Sun, Dec 13

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

$309American Airlines

Sun, Dec 6 - Sun, Dec 13

7:05 am - 11:43 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

4h 38m1 stop Atlanta Hartsfield-Jackson

12:38 pm - 5:12 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

4h 34m1 stop Atlanta Hartsfield-Jackson

$309Delta

Sun, Dec 6 - Tue, Dec 8

5:01 pm - 11:05 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

6h 04m1 stop Charlotte Douglas

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

4h 57m1 stop Charlotte Douglas

$309American Airlines

Sat, Jan 23 - Sat, Jan 30

5:50 pm - 12:38 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

6h 48m1 stop Chicago O'Hare Intl

3:30 pm - 8:38 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

5h 08m1 stop Chicago O'Hare Intl

$439United Airlines

Sun, Dec 20 - Mon, Dec 21

6:15 pm - 12:30 amLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

6h 15m1 stop Chicago O'Hare Intl

6:11 am - 1:15 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

7h 04m1 stop Chicago O'Hare Intl

$459United Airlines

Sat, Nov 21 - Sat, Nov 28

11:05 am - 4:33 pmLEX Lexington Blue Grass-IAD Washington, D.C. Dulles Intl

5h 28m1 stop Chicago O'Hare Intl

6:11 am - 1:15 pmIAD Washington, D.C. Dulles Intl-LEX Lexington Blue Grass

7h 04m1 stop Chicago O'Hare Intl

$471United Airlines

Tue, Nov 24 - Sat, Nov 28

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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 21

LEX6:15 pmLexington Blue Grass

6h 15m

1 stop

IAD12:30 amWashington, D.C. Dulles Intl

Nov 28

IAD6:11 amWashington, D.C. Dulles Intl

7h 04m

1 stop

LEX1:15 pmLexington Blue Grass

$459

United Airlines

Nov 24

LEX11:05 amLexington Blue Grass

5h 28m

1 stop

IAD4:33 pmWashington, D.C. Dulles Intl

Nov 28

IAD6:11 amWashington, D.C. Dulles Intl

7h 04m

1 stop

LEX1:15 pmLexington Blue Grass

$471

United Airlines

Nov 21

LEX1:50 pmLexington Blue Grass

17h 38m

2 stops

IAD7:28 amWashington, D.C. Dulles Intl

Nov 22

IAD10:15 amWashington, D.C. Dulles Intl

7h 15m

1 stop

LEX5:30 pmLexington Blue Grass

$514

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

Dec 10

LEX5:00 amLexington Blue Grass

4h 10m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Dec 13

IAD8:03 pmWashington, D.C. Dulles Intl

4h 02m

1 stop

LEX12:05 amLexington Blue Grass

$307

American Airlines

Dec 6

LEX5:00 amLexington Blue Grass

4h 10m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Dec 8

IAD10:46 amWashington, D.C. Dulles Intl

8h 06m

2 stops

LEX6:52 pmLexington Blue Grass

$314

American Airlines

Dec 6

LEX5:00 amLexington Blue Grass

4h 10m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

Dec 13

IAD6:00 amWashington, D.C. Dulles Intl

7h 14m

1 stop

LEX1:14 pmLexington Blue Grass

$374

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

Tue 12/22

5:59 pm-10:14 pm

1 stop28h 15m

Washington, D.C. Dulles Intl

Thu 1/7

10:21 am-4:01 pm

1 stop29h 40m

$301

Quickest round-trip

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Thu 12/10

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

$307

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Wed 12/9

7:05 am-11:43 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Sun 12/13

7:39 pm-12:04 am

1 stop4h 25m

$309

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Fri 12/11

7:59 pm-12:41 am

1 stop4h 42m

Washington, D.C. Dulles Intl

Sun 12/13

7:39 pm-12:04 am

1 stop4h 25m

$309

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Sun 12/6

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

$309

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Sun 12/6

7:05 am-11:43 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Tue 12/8

12:38 pm-5:12 pm

1 stop4h 34m

$309

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Sat 1/23

5:01 pm-11:05 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Sat 1/30

4:13 pm-9:10 pm

1 stop4h 57m

$309

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Sun 12/20

5:50 pm-12:38 am

1 stop6h 48m

Washington, D.C. Dulles Intl

Mon 12/21

3:30 pm-8:38 pm

1 stop5h 08m

$439

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Sat 11/21

6:15 pm-12:30 am

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 11/28

6:11 am-1:15 pm

1 stop7h 04m

$459

LexingtonWashington, D.C.

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

LEXIAD

Lexington Blue Grass

Tue 11/24

11:05 am-4:33 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

Sat 11/28

6:11 am-1:15 pm

1 stop7h 04m

$471

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

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, September is the cheapest month to fly from Lexington to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $0.

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	$146
Fastest flight time	4h 36m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Lexington in the past 72 hours is $146. The best round-trip flight deal from Lexington to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $301.

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 4h 36m

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 4h 36m 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 November 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 53% of the total bookings. Other popular airlines include United Airlines with 47%.

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 $348	Free Cancellation	Rating 7.8 8,708 reviews		Search Delta flights
United Airlines	PriceFrom $374	Free Cancellation	Rating 7.3 10,474 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 $146

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 12/10. 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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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

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

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.

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly 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?

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

Traveling to a place near Washington, D.C.?

Why use momondo?

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

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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