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Dulles Intl

$132+ Cheap flights from Lexington (LEX) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IAD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Lexington to Dulles Intl

Cheapest flights from Lexington to Dulles Intl
Explore the most affordable flight options available from Lexington to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:47 pm
LEX
-
IAD
1 stop4h 27m
American Airlines
Sat 11/1411:48 am
IAD
-
LEX
1 stop6h 55m
American Airlines
Deal found 7/22$319
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:00 pm
LEX
-
IAD
1 stop3h 56m
American Airlines
Sun 8/306:33 am
IAD
-
LEX
1 stop4h 12m
American Airlines
Deal found 7/27$328
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:57 pm
LEX
-
IAD
1 stop6h 44m
Delta
Mon 9/218:08 am
IAD
-
LEX
1 stop6h 38m
Delta
Deal found 7/27$329
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:26 am
LEX
-
IAD
2 stops9h 28m
American Airlines
Sun 11/158:07 pm
IAD
-
LEX
1 stop3h 52m
American Airlines
Deal found 7/26$334
This Delta deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:52 pm
LEX
-
IAD
1 stop5h 19m
Delta
Sun 10/257:38 pm
IAD
-
LEX
1 stop4h 21m
Delta
Deal found 7/24$339
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:56 pm
LEX
-
IAD
1 stop6h 38m
Delta
Sun 8/238:28 am
IAD
-
LEX
1 stop6h 17m
Delta
Deal found 7/23$349
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
LEX
-
IAD
2 stops10h 34m
American Airlines
Sun 8/236:33 am
IAD
-
LEX
1 stop4h 12m
American Airlines
Deal found 7/23$354
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:30 am
LEX
-
IAD
2 stops10h 34m
American Airlines
Thu 8/277:57 am
IAD
-
LEX
2 stops10h 28m
American Airlines
Deal found 7/23$359
This American Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:13 am
LEX
-
IAD
2 stops9h 33m
American Airlines
Sun 10/117:15 pm
IAD
-
LEX
1 stop4h 42m
American Airlines
Deal found 7/26$374
This American Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:30 am
LEX
-
IAD
2 stops10h 34m
American Airlines
Wed 8/1910:27 am
IAD
-
LEX
2 stops7h 58m
American Airlines
Deal found 7/23$379

Find flight deals from Lexington to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$268
(Kiwi.com)

One-way from

$132
(Kiwi.com)

Popular in

May

Cheapest in

December

Average price

$304
Provider with most accurate pricing for Lexington Blue Grass-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Washington, D.C. Dulles Intl flights.
Search Deals
From Lexington Blue Grass to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Lexington Blue Grass to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
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

Sat 11/7

11:26 am-9:14 pm

2 stops9h 48m

Washington, D.C. Dulles Intl

Sat 11/14

11:48 am-6:43 pm

1 stop6h 55m

$324

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 10/6

5:59 pm-12:42 am

1 stop6h 43m

Washington, D.C. Dulles Intl

Sun 10/11

6:05 am-9:48 am

1 stop3h 43m

$329

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 9/3

6:12 pm-11:26 pm

1 stop5h 14m

Washington, D.C. Dulles Intl

Mon 9/7

10:16 am-3:27 pm

1 stop5h 11m

$329

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Mon 9/14

5:57 pm-12:41 am

1 stop6h 44m

Washington, D.C. Dulles Intl

Mon 9/21

8:08 am-2:46 pm

1 stop6h 38m

$329
Quickest round-trip

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 10/9

7:59 pm-12:31 am

1 stop4h 32m

Washington, D.C. Dulles Intl

Mon 10/12

6:00 am-9:49 am

1 stop3h 49m

$329

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 9/5

6:00 am-10:04 am

1 stop4h 04m

Washington, D.C. Dulles Intl

Wed 9/9

10:15 am-2:46 pm

1 stop4h 31m

$329

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 10/21

5:52 pm-11:11 pm

1 stop5h 19m

Washington, D.C. Dulles Intl

Sun 10/25

7:38 pm-11:59 pm

1 stop4h 21m

$339

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 8/20

5:56 pm-12:34 am

1 stop6h 38m

Washington, D.C. Dulles Intl

Sun 8/23

8:28 am-2:45 pm

1 stop6h 17m

$369

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 9/10

11:43 am-5:31 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Fri 9/11

7:57 am-1:48 pm

1 stop5h 51m

$425
Cheapest one-way

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sat 8/29

6:00 am-10:04 am

1 stop4h 04m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Lexington to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lexington to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lexington-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lexington-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lexington to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Lexington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 27, 2026.
See what other customers who have flown with Delta and American Airlines from Lexington to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,490 reviews

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,490 reviews
Delta
7.8
Good
8,490 reviews

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,843 reviews
Delta
7.8
Good
8,490 reviews

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.2

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Lexington to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Lexington to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Lexington, you will be flying from Blue Grass, which is the city’s only airport. Lexington Blue Grass (LEX) is located 5.6 mi from the center of Lexington. There are 0 flights from Blue Grass to Washington, D.C. Dulles Intl per day from 2 different airlines.

  • How long is the flight from Lexington to Washington, D.C. Dulles Intl Airport?

    Airlines like American Airlines and Delta fly from Lexington to Washington, D.C. Dulles Intl Airport in about 5h 14m. The time it takes to get you to your destination can typically vary by up to 4h 34m. There are 392 mi between Lexington and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Lexington to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on American Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $188. Another option worth looking into is Delta, starting at $427 round trip.

  • Can I find deals for flights from Lexington to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Lexington to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lexington to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lexington to Dulles Intl.

  • Can I find deals for business class flights from Lexington to Dulles Intl?

    Yes. Cheapflights offers flight deals from Lexington to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Lexington to Dulles Intl

Discover the top 2 airlines that operate flights from Lexington to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$188Average$296FlexibilityNo cancel feeOn-time71%
DeltaCheapest$427Average$537FlexibilityNo cancel feeOn-timeN/A

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