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

Allegiant Air, Delta, 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.

$107 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.

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:27 pm - 9:03 pm

LEX

IAD

5h 36m

1 stop

8:27 am - 12:17 pm

IAD

LEX

3h 50m

1 stop

$319Delta

Fri, Jul 24 - Mon, Jul 27

4:35 pm - 10:05 pm

LEX

IAD

5h 30m

1 stop

7:57 am - 6:25 pm

IAD

LEX

10h 28m

2 stops

$324American Airlines

Sat, Aug 1 - Sat, Aug 8

5:59 pm - 11:14 pm

LEX

IAD

5h 15m

1 stop

6:00 am - 10:09 am

IAD

LEX

4h 09m

1 stop

$329Delta

Sat, Jul 4 - Sun, Jul 5

5:56 pm - 12:44 am

LEX

IAD

6h 48m

1 stop

6:00 am - 10:11 am

IAD

LEX

4h 11m

1 stop

$339Delta

Sun, Jun 28 - Sun, Jul 12

1:59 pm - 2:26 pm

LEX

IAD

24h 27m

2 stops

6:09 pm - 2:16 pm

IAD

LEX

20h 07m

1 stop

$346Multiple Airlines

Sun, Jul 19 - Wed, Jul 22

7:05 am - 11:43 am

LEX

IAD

4h 38m

1 stop

6:00 am - 10:09 am

IAD

LEX

4h 09m

1 stop

$349Delta

Fri, Jul 3 - Sun, Jul 5

3:30 pm - 9:04 pm

LEX

IAD

5h 34m

1 stop

6:00 am - 10:11 am

IAD

LEX

4h 11m

1 stop

$359Delta

Thu, Jun 18 - Wed, Jul 8

8:10 pm - 12:10 am

LEX

IAD

4h 00m

1 stop

1:16 pm - 11:48 pm

IAD

LEX

10h 32m

2 stops

$364American Airlines

Wed, Jul 15 - Sat, Jul 18

11:22 am - 7:36 pm

LEX

IAD

8h 14m

2 stops

7:57 am - 6:25 pm

IAD

LEX

10h 28m

2 stops

$369American Airlines

Sat, Aug 1 - Sat, Aug 8

8:10 pm - 12:13 am

LEX

IAD

4h 03m

1 stop

8:22 pm - 11:59 pm

IAD

LEX

3h 37m

1 stop

$379American Airlines

Sat, Jun 20 - Sat, Jun 27

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

Jul 24

LEX3:27 pmLexington Blue Grass

5h 36m

1 stop

IAD9:03 pmWashington, D.C. Dulles Intl

Jul 27

IAD8:27 amWashington, D.C. Dulles Intl

3h 50m

1 stop

LEX12:17 pmLexington Blue Grass

$319

Delta

Jul 4

LEX5:59 pmLexington Blue Grass

5h 15m

1 stop

IAD11:14 pmWashington, D.C. Dulles Intl

Jul 5

IAD6:00 amWashington, D.C. Dulles Intl

4h 09m

1 stop

LEX10:09 amLexington Blue Grass

$329

Delta

Jun 28

LEX5:56 pmLexington Blue Grass

6h 48m

1 stop

IAD12:44 amWashington, D.C. Dulles Intl

Jul 12

IAD6:00 amWashington, D.C. Dulles Intl

4h 11m

1 stop

LEX10:11 amLexington Blue Grass

$339

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

Jul 11

LEX7:00 amLexington Blue Grass

4h 55m

1 stop

IAD11:55 amWashington, D.C. Dulles Intl

Jul 11

IAD3:39 pmWashington, D.C. Dulles Intl

4h 50m

1 stop

LEX8:29 pmLexington Blue Grass

$451

United Airlines

Oct 24

LEX6:05 pmLexington Blue Grass

16h 42m

2 stops

IAD10:47 amWashington, D.C. Dulles Intl

Oct 28

IAD1:05 pmWashington, D.C. Dulles Intl

7h 18m

1 stop

LEX8:23 pmLexington Blue Grass

$470

United Airlines

Sep 3

LEX9:52 amLexington Blue Grass

7h 45m

1 stop

IAD5:37 pmWashington, D.C. Dulles Intl

Sep 9

IAD1:05 pmWashington, D.C. Dulles Intl

11h 00m

2 stops

LEX12:05 amLexington Blue Grass

$491

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 7/24

3:27 pm-9:03 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Mon 7/27

8:27 am-12:17 pm

1 stop3h 50m

$319

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 8/1

4:35 pm-10:05 pm

1 stop5h 30m

Washington, D.C. Dulles Intl

Sat 8/8

7:57 am-6:25 pm

2 stops10h 28m

$324

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 7/4

5:59 pm-11:14 pm

1 stop5h 15m

Washington, D.C. Dulles Intl

Sun 7/5

6:00 am-10:09 am

1 stop4h 09m

$329

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 6/28

5:56 pm-12:44 am

1 stop6h 48m

Washington, D.C. Dulles Intl

Sun 7/12

6:00 am-10:11 am

1 stop4h 11m

$339

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 7/19

1:59 pm-2:26 pm

2 stops24h 27m

Washington, D.C. Dulles Intl

Wed 7/22

6:09 pm-2:16 pm

1 stop20h 07m

$346

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 7/3

7:05 am-11:43 am

1 stop4h 38m

Washington, D.C. Dulles Intl

Sun 7/5

6:00 am-10:09 am

1 stop4h 09m

$349

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 6/18

3:30 pm-9:04 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Wed 7/8

6:00 am-10:11 am

1 stop4h 11m

$359

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 7/15

8:10 pm-12:10 am

1 stop4h 00m

Washington, D.C. Dulles Intl

Sat 7/18

1:16 pm-11:48 pm

2 stops10h 32m

$364

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 8/1

11:22 am-7:36 pm

2 stops8h 14m

Washington, D.C. Dulles Intl

Sat 8/8

7:57 am-6:25 pm

2 stops10h 28m

$369

Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 6/20

8:10 pm-12:13 am

1 stop4h 03m

Washington, D.C. Dulles Intl

Sat 6/27

8:22 pm-11:59 pm

1 stop3h 37m

$379

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 35m
Direct flights	None

The fastest flight from Lexington to Washington, D.C. Dulles Intl Airport takes 4h 35m

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 35m 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 7.8 8,400 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 $107

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 6/12. 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

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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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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