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

Allegiant Air, American Airlines, and United Airlines 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 June 2026, there is 1 operator 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.

$104 Cheap Flights from Lexington to Washington, D.C. Dulles Intl Airport in 2026

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.

2:04 pm - 11:43 am

LEX

IAD

21h 39m

1 stop

6:30 pm - 8:13 am

IAD

LEX

13h 43m

1 stop

$218Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

2:04 pm - 11:43 am

LEX

IAD

21h 39m

1 stop

6:30 pm - 8:13 am

IAD

LEX

13h 43m

1 stop

$255Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

3:06 pm - 7:38 pm

LEX

IAD

28h 32m

1 stop

6:09 pm - 2:16 pm

IAD

LEX

20h 07m

1 stop

$266Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

3:05 pm - 11:43 am

LEX

IAD

20h 38m

2 stops

6:30 pm - 8:13 am

IAD

LEX

13h 43m

1 stop

$269Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

3:06 pm - 7:38 pm

LEX

IAD

28h 32m

1 stop

7:49 am - 7:55 am

IAD

LEX

24h 06m

2 stops

$278Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

3:06 pm - 7:38 pm

LEX

IAD

28h 32m

1 stop

6:09 pm - 2:16 pm

IAD

LEX

20h 07m

1 stop

$282Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

3:06 pm - 7:38 pm

LEX

IAD

28h 32m

1 stop

9:16 am - 9:34 am

IAD

LEX

24h 18m

1 stop

$291Multiple Airlines

Thu, Jul 9 - Thu, Jul 16

3:06 pm - 7:38 pm

LEX

IAD

28h 32m

1 stop

6:09 pm - 2:16 pm

IAD

LEX

20h 07m

1 stop

$293Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

1:59 pm - 2:26 pm

LEX

IAD

24h 27m

2 stops

6:09 pm - 2:16 pm

IAD

LEX

20h 07m

1 stop

$303Multiple Airlines

Thu, Jul 9 - Wed, Jul 15

3:05 pm - 11:43 am

LEX

IAD

20h 38m

2 stops

6:30 pm - 8:13 am

IAD

LEX

13h 43m

1 stop

$306Multiple Airlines

Thu, Aug 6 - Sun, Aug 9

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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

Jul 3

LEX5:01 pmLexington Blue Grass

27h 14m

1 stop

IAD8:15 pmWashington, D.C. Dulles Intl

Jul 10

IAD3:16 pmWashington, D.C. Dulles Intl

29h 34m

2 stops

LEX8:50 pmLexington Blue Grass

$377

Allegiant Air

Jun 21

LEX9:17 amLexington Blue Grass

30h 39m

2 stops

IAD3:56 pmWashington, D.C. Dulles Intl

Jun 28

IAD9:08 pmWashington, D.C. Dulles Intl

17h 58m

1 stop

LEX3:06 pmLexington Blue Grass

$535

Allegiant Air

Jun 17

LEX7:55 pmLexington Blue Grass

21h 35m

1 stop

IAD5:30 pmWashington, D.C. Dulles Intl

Jun 19

IAD9:02 pmWashington, D.C. Dulles Intl

16h 44m

2 stops

LEX1:46 pmLexington Blue Grass

$567

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

Aug 1

LEX4:35 pmLexington Blue Grass

5h 30m

1 stop

IAD10:05 pmWashington, D.C. Dulles Intl

Aug 8

IAD7:57 amWashington, D.C. Dulles Intl

10h 28m

2 stops

LEX6:25 pmLexington Blue Grass

$324

American Airlines

Aug 1

LEX11:22 amLexington Blue Grass

8h 14m

2 stops

IAD7:36 pmWashington, D.C. Dulles Intl

Aug 8

IAD7:57 amWashington, D.C. Dulles Intl

10h 28m

2 stops

LEX6:25 pmLexington Blue Grass

$329

American Airlines

Aug 1

LEX8:10 pmLexington Blue Grass

4h 04m

1 stop

IAD12:14 amWashington, D.C. Dulles Intl

Aug 8

IAD10:27 amWashington, D.C. Dulles Intl

7h 58m

2 stops

LEX6:25 pmLexington Blue Grass

$334

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

Thu 8/6

2:04 pm-11:43 am

1 stop21h 39m

Washington, D.C. Dulles Intl

Sun 8/9

6:30 pm-8:13 am

1 stop13h 43m

$218

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 8/6

2:04 pm-11:43 am

1 stop21h 39m

Washington, D.C. Dulles Intl

Sun 8/9

6:30 pm-8:13 am

1 stop13h 43m

$255

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

3:06 pm-7:38 pm

1 stop28h 32m

Washington, D.C. Dulles Intl

Wed 7/15

6:09 pm-2:16 pm

1 stop20h 07m

$266

Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 8/6

3:05 pm-11:43 am

2 stops20h 38m

Washington, D.C. Dulles Intl

Sun 8/9

6:30 pm-8:13 am

1 stop13h 43m

$269

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

3:06 pm-7:38 pm

1 stop28h 32m

Washington, D.C. Dulles Intl

Wed 7/15

7:49 am-7:55 am

2 stops24h 06m

$278

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

3:06 pm-7:38 pm

1 stop28h 32m

Washington, D.C. Dulles Intl

Wed 7/15

6:09 pm-2:16 pm

1 stop20h 07m

$282

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

3:06 pm-7:38 pm

1 stop28h 32m

Washington, D.C. Dulles Intl

Thu 7/16

9:16 am-9:34 am

1 stop24h 18m

$291

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

3:06 pm-7:38 pm

1 stop28h 32m

Washington, D.C. Dulles Intl

Wed 7/15

6:09 pm-2:16 pm

1 stop20h 07m

$293

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/9

1:59 pm-2:26 pm

2 stops24h 27m

Washington, D.C. Dulles Intl

Wed 7/15

6:09 pm-2:16 pm

1 stop20h 07m

$303

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 8/6

3:05 pm-11:43 am

2 stops20h 38m

Washington, D.C. Dulles Intl

Sun 8/9

6:30 pm-8:13 am

1 stop13h 43m

$306

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	4h 45m
Direct flights	None

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 4h 45m

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 4h 45m 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 June 2026, there is 1 operator 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 100% of the total bookings.

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 8,394 reviews		Search Delta flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Gaithersburg

Fredericksburg

Colonial Beach

Silver Spring

Rockville

Towson

Linthicum Heights

Manassas

Sterling

Tysons

Springfield

Fairfax

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Why should I use momondo to find a flight deal from Lexington to Washington, D.C.?

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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 $104

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 8/9. 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

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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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?

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

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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