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Cheap flights from Lexington to Washington, D.C. from $119

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 10/29. 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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Find the cheapest flights from Lexington to Washington, D.C.

Cheap round-trip flights

Delta Logo
5:48 pm - 11:00 pmLEX-IAD
5h 12m1 stop
Delta Logo
6:05 am - 9:45 amIAD-LEX
3h 40m1 stop
$199Delta
Find Deal
Sat, Oct 25 - Tue, Oct 28
American Airlines Logo
2:55 pm - 7:42 pmLEX-IAD
4h 47m1 stop
American Airlines Logo
8:25 pm - 12:08 amIAD-LEX
3h 43m1 stop
$229American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
8:02 pm - 11:53 pmLEX-IAD
3h 51m1 stop
American Airlines Logo
10:25 am - 4:51 pmIAD-LEX
6h 26m1 stop
$237American Airlines
Find Deal
Mon, Oct 27 - Wed, Oct 29
Delta Logo
5:20 pm - 9:31 pmLEX-IAD
4h 11m1 stop
Delta Logo
7:35 pm - 12:04 amIAD-LEX
4h 29m1 stop
$238Delta
Find Deal
Fri, Oct 17 - Mon, Oct 20
Delta Logo
6:00 am - 11:40 amLEX-IAD
5h 40m1 stop
Delta Logo
6:00 am - 9:44 amIAD-LEX
3h 44m1 stop
$239Delta
Find Deal
Tue, Sep 30 - Sat, Oct 4
American Airlines Logo
7:18 pm - 11:08 pmLEX-IAD
3h 50m1 stop
American Airlines Logo
5:00 am - 10:36 amIAD-LEX
5h 36m1 stop
$249American Airlines
Find Deal
Fri, Dec 12 - Sun, Jan 11
Allegiant Air Logo
7:25 pm - 3:49 pmLEX-IAD
20h 24m2 stops
Allegiant Air Logo
10:09 am - 8:09 pmIAD-LEX
10h 00m1 stop
$362Allegiant Air
Find Deal
Thu, Oct 2 - Mon, Oct 6
United Airlines Logo
7:05 am - 11:55 amLEX-IAD
4h 50m1 stop
United Airlines Logo
1:20 pm - 9:01 pmIAD-LEX
7h 41m1 stop
$391United Airlines
Find Deal
Mon, Oct 6 - Mon, Oct 6
United Airlines Logo
7:33 pm - 12:21 amLEX-IAD
4h 48m1 stop
United Airlines Logo
6:50 pm - 11:59 pmIAD-LEX
5h 09m1 stop
$397United Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3
Allegiant Air Logo
9:32 am - 11:21 amLEX-IAD
25h 49m1 stop
Allegiant Air Logo
9:45 pm - 8:11 pmIAD-LEX
22h 26m2 stops
$543Allegiant Air
Find Deal
Wed, Nov 26 - Sun, Nov 30

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
Oct 6
LEX7:05 amLexington Blue Grass
4h 50m
1 stop
IAD11:55 amWashington, D.C. Dulles Intl
Oct 6
IAD1:20 pmWashington, D.C. Dulles Intl
7h 41m
1 stop
LEX9:01 pmLexington Blue Grass
$391
Find similar
United Airlines
Sep 29
LEX7:33 pmLexington Blue Grass
4h 48m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
Oct 3
IAD6:50 pmWashington, D.C. Dulles Intl
5h 09m
1 stop
LEX11:59 pmLexington Blue Grass
$397
Find similar
United Airlines
Oct 9
LEX7:05 amLexington Blue Grass
4h 50m
1 stop
IAD11:55 amWashington, D.C. Dulles Intl
Oct 14
IAD12:40 pmWashington, D.C. Dulles Intl
11h 19m
2 stops
LEX11:59 pmLexington Blue Grass
$447
Find similar

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
Oct 2
LEX2:55 pmLexington Blue Grass
4h 47m
1 stop
IAD7:42 pmWashington, D.C. Dulles Intl
Oct 6
IAD8:25 pmWashington, D.C. Dulles Intl
3h 43m
1 stop
LEX12:08 amLexington Blue Grass
$229
Find similar
American Airlines
Oct 27
LEX8:02 pmLexington Blue Grass
3h 51m
1 stop
IAD11:53 pmWashington, D.C. Dulles Intl
Oct 29
IAD10:25 amWashington, D.C. Dulles Intl
6h 26m
1 stop
LEX4:51 pmLexington Blue Grass
$237
Find similar
American Airlines
Sep 25
LEX6:28 amLexington Blue Grass
6h 55m
1 stop
IAD1:23 pmWashington, D.C. Dulles Intl
Nov 1
IAD6:34 amWashington, D.C. Dulles Intl
3h 59m
1 stop
LEX10:33 amLexington Blue Grass
$239
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lexington to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 10/25

5:48 pm-11:00 pm

1 stop5h 12m

Washington, D.C. Dulles Intl

Tue 10/28

6:05 am-9:45 am

1 stop3h 40m

$199

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 10/2

2:55 pm-7:42 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Mon 10/6

8:25 pm-12:08 am

1 stop3h 43m

$229

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 10/27

8:02 pm-11:53 pm

1 stop3h 51m

Washington, D.C. Dulles Intl

Wed 10/29

10:25 am-4:51 pm

1 stop6h 26m

$237

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 10/17

5:20 pm-9:31 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

Mon 10/20

7:35 pm-12:04 am

1 stop4h 29m

$238

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 9/30

6:00 am-11:40 am

1 stop5h 40m

Washington, D.C. Dulles Intl

Sat 10/4

6:00 am-9:44 am

1 stop3h 44m

$239

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 12/12

7:18 pm-11:08 pm

1 stop3h 50m

Washington, D.C. Dulles Intl

Sun 1/11

5:00 am-10:36 am

1 stop5h 36m

$249

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 10/2

7:25 pm-3:49 pm

2 stops20h 24m

Washington, D.C. Dulles Intl

Mon 10/6

10:09 am-8:09 pm

1 stop10h 00m

$362

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 10/6

7:05 am-11:55 am

1 stop4h 50m

Washington, D.C. Dulles Intl

Mon 10/6

1:20 pm-9:01 pm

1 stop7h 41m

$391

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 9/29

7:33 pm-12:21 am

1 stop4h 48m

Washington, D.C. Dulles Intl

Fri 10/3

6:50 pm-11:59 pm

1 stop5h 09m

$397

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 11/26

9:32 am-11:21 am

1 stop25h 49m

Washington, D.C. Dulles Intl

Sun 11/30

9:45 pm-8:11 pm

2 stops22h 26m

$543

Flights are sorted by cheapest round-trip flights first.

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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

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $398. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Lexington to Washington, D.C. Dulles Intl Airport for around $651.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Lexington in the morning is the least expensive time of day to depart. momondo users have found prices as low as $462 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $535 on average. Flights to Washington, D.C. Dulles Intl Airport from Lexington at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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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  • 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 41m 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?

  • 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?

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
DeltaPriceFrom $159Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $188Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

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

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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