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Cheap flights from Washington, D.C. Dulles Intl Airport to Lexington from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Lexington departing on 9/13. 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 Washington, D.C. Dulles Intl Airport to Lexington (IAD-LEX)

Cheap round-trip flights

American Airlines Logo
2:21 pm - 9:14 pmIAD-LEX
6h 53m1 stop
American Airlines Logo
2:35 pm - 6:47 pmLEX-IAD
4h 12m1 stop
$179American Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13
American Airlines Logo
4:36 pm - 8:53 pmIAD-LEX
4h 17m1 stop
American Airlines Logo
2:35 pm - 6:47 pmLEX-IAD
4h 12m1 stop
$189American Airlines
Find Deal
Tue, Sep 2 - Sat, Sep 13
American Airlines Logo
10:25 am - 4:42 pmIAD-LEX
6h 17m1 stop
American Airlines Logo
12:39 pm - 6:51 pmLEX-IAD
6h 12m1 stop
$199American Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Delta Logo
6:00 am - 12:18 pmIAD-LEX
6h 18m1 stop
Delta Logo
7:53 pm - 12:13 amLEX-IAD
4h 20m1 stop
$257Delta
Find Deal
Wed, Sep 10 - Mon, Sep 15
Delta Logo
6:00 am - 12:18 pmIAD-LEX
6h 18m1 stop
Delta Logo
6:10 pm - 11:21 pmLEX-IAD
5h 11m1 stop
$258Delta
Find Deal
Sat, Aug 23 - Tue, Aug 26
Delta Logo
3:26 pm - 8:25 pmIAD-LEX
4h 59m1 stop
Delta Logo
10:19 am - 2:31 pmLEX-IAD
4h 12m1 stop
$259Delta
Find Deal
Sat, Aug 23 - Tue, Aug 26
Delta Logo
6:00 am - 9:44 amIAD-LEX
3h 44m1 stop
Delta Logo
7:53 pm - 12:13 amLEX-IAD
4h 20m1 stop
$287Delta
Find Deal
Thu, Sep 11 - Mon, Sep 15
United Airlines Logo
6:50 pm - 11:59 pmIAD-LEX
5h 09m1 stop
United Airlines Logo
7:33 pm - 12:21 amLEX-IAD
4h 48m1 stop
$419United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
12:40 pm - 11:44 pmIAD-LEX
11h 04m2 stops
United Airlines Logo
1:59 pm - 11:59 pmLEX-IAD
10h 00m1 stop
$435United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
United Airlines Logo
6:30 am - 3:48 pmIAD-LEX
9h 18m1 stop
United Airlines Logo
7:33 pm - 12:21 amLEX-IAD
4h 48m1 stop
$451United Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets
American Airlines
Sep 10
IAD2:21 pmWashington, D.C. Dulles Intl
6h 53m
1 stop
LEX9:14 pmLexington Blue Grass
Sep 13
LEX2:35 pmLexington Blue Grass
4h 12m
1 stop
IAD6:47 pmWashington, D.C. Dulles Intl
$179
Find similar
American Airlines
Sep 2
IAD4:36 pmWashington, D.C. Dulles Intl
4h 17m
1 stop
LEX8:53 pmLexington Blue Grass
Sep 13
LEX2:35 pmLexington Blue Grass
4h 12m
1 stop
IAD6:47 pmWashington, D.C. Dulles Intl
$189
Find similar
American Airlines
Aug 27
IAD10:25 amWashington, D.C. Dulles Intl
6h 17m
1 stop
LEX4:42 pmLexington Blue Grass
Sep 3
LEX12:39 pmLexington Blue Grass
6h 12m
1 stop
IAD6:51 pmWashington, D.C. Dulles Intl
$199
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Lexington flight tickets
United Airlines
Oct 1
IAD6:50 pmWashington, D.C. Dulles Intl
5h 09m
1 stop
LEX11:59 pmLexington Blue Grass
Oct 5
LEX7:33 pmLexington Blue Grass
4h 48m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
$419
Find similar
United Airlines
Nov 4
IAD12:40 pmWashington, D.C. Dulles Intl
11h 04m
2 stops
LEX11:44 pmLexington Blue Grass
Nov 18
LEX1:59 pmLexington Blue Grass
10h 00m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
$435
Find similar
United Airlines
Oct 4
IAD6:30 amWashington, D.C. Dulles Intl
9h 18m
1 stop
LEX3:48 pmLexington Blue Grass
Oct 5
LEX7:33 pmLexington Blue Grass
4h 48m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
$451
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Lexington 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 August 7, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Wed 9/10

2:21 pm-9:14 pm

1 stop6h 53m

Lexington Blue Grass

Sat 9/13

2:35 pm-6:47 pm

1 stop4h 12m

$179

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Tue 9/2

4:36 pm-8:53 pm

1 stop4h 17m

Lexington Blue Grass

Sat 9/13

2:35 pm-6:47 pm

1 stop4h 12m

$189

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Wed 8/27

10:25 am-4:42 pm

1 stop6h 17m

Lexington Blue Grass

Wed 9/3

12:39 pm-6:51 pm

1 stop6h 12m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Wed 9/10

6:00 am-12:18 pm

1 stop6h 18m

Lexington Blue Grass

Mon 9/15

7:53 pm-12:13 am

1 stop4h 20m

$257

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 8/23

6:00 am-12:18 pm

1 stop6h 18m

Lexington Blue Grass

Tue 8/26

6:10 pm-11:21 pm

1 stop5h 11m

$258

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 8/23

3:26 pm-8:25 pm

1 stop4h 59m

Lexington Blue Grass

Tue 8/26

10:19 am-2:31 pm

1 stop4h 12m

$259

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 9/11

6:00 am-9:44 am

1 stop3h 44m

Lexington Blue Grass

Mon 9/15

7:53 pm-12:13 am

1 stop4h 20m

$287

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Wed 10/1

6:50 pm-11:59 pm

1 stop5h 09m

Lexington Blue Grass

Sun 10/5

7:33 pm-12:21 am

1 stop4h 48m

$419

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Tue 11/4

12:40 pm-11:44 pm

2 stops11h 04m

Lexington Blue Grass

Tue 11/18

1:59 pm-11:59 pm

1 stop10h 00m

$435

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 10/4

6:30 am-3:48 pm

1 stop9h 18m

Lexington Blue Grass

Sun 10/5

7:33 pm-12:21 am

1 stop4h 48m

$451

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Lexington from

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

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 Lexington?

On average, the least expensive day to fly to Lexington from Washington, D.C. Dulles Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $299. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $459.

What is the cheapest time of day to depart on your flight to Lexington?

The cheapest time of day to fly to Lexington is in the afternoon when flights can be purchased for as low as $336. Try not to purchase tickets at noon because they tend to be around $433. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Dulles Intl Airport to Lexington

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Lexington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Lexington (IAD to LEX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Lexington

Best Price Found

$109

Fastest flight time

3h 35m

Direct flights

None

Airports in Lexington

1 airport
The best one-way flight to Lexington from Washington, D.C. Dulles Intl Airport in the past 72 hours is $109. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Lexington found on momondo in the last 72 hours is $179.
The fastest flight from Washington, D.C. Dulles Intl Airport to Lexington takes 3h 35m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Lexington. Popular non-direct route for this connection is Washington, D.C. Dulles Intl Airport - Lexington Blue Grass Airport.
There is 1 airport near Lexington: Lexington Blue Grass (LEX)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Lexington Blue Grass by plane?

    The distance between Washington, D.C. Dulles Intl and Lexington Blue Grass is about 386.2 mi. Typically, this will take 3h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Lexington Blue Grass Airport.

  • What documentation or ID do you need to fly to Lexington Blue Grass Airport?

    The travel and health documents you'll need for your trip to Lexington Blue Grass Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lexington Blue Grass Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Lexington?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Lexington

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Lexington with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $277Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $278Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Richmond
Somerset
Georgetown
Danville
Frankfort
Winchester
Berea
Versailles
Midway
Carlisle

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Lexington. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Lexington with flexible booking policies on momondo?

Yes. All flights to Lexington from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington, D.C. to Lexington?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Lexington from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Lexington right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Lexington, momondo offers a useful price alert feature which will track prices for flights to Lexington from Washington, D.C. and alert you when they change.

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