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

Airlines like Delta fly from Lexington to Washington, D.C. Dulles Intl Airport in about 6h 43m. The time it takes to get you to your destination can typically vary by up to . There are 392 mi between Lexington and Washington, D.C. Dulles Intl Airport.

What is the cheapest airline to fly from Lexington to Washington, D.C. Dulles Intl Airport round-trip?

Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $427.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from LEX to IAD?

When flying from Lexington to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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 1 airline.

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.

$156+ Cheap Flights from Lexington to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Lexington to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 September 8, 2026.

Sun 10/188:59 pm -

1 stop23h 12m

Sun 10/254:20 pm -

1 stop25h 19m

Deal found 9/4

$318

Thu 10/89:11 pm -

1 stop23h 00m

Mon 10/126:36 pm -

2 stops15h 54m

Deal found 9/7

$347

Tue 10/65:59 pm -

1 stop6h 43m

Sun 10/116:05 am -

1 stop3h 43m

Deal found 9/3

$349

Tue 10/611:14 am -

2 stops9h 32m

Sun 10/115:01 am -

1 stop3h 46m

Deal found 9/3

$354

Thu 10/1510:28 am -

1 stop6h 00m

Mon 10/196:05 am -

1 stop3h 43m

Deal found 9/7

$369

Fri 10/210:12 am -

1 stop3h 59m

Sun 10/116:05 am -

1 stop3h 43m

Deal found 9/8

$389

Mon 10/59:50 am -

1 stop24h 27m

Mon 10/126:36 pm -

2 stops15h 54m

Deal found 9/5

$390

Sat 9/267:18 pm -

1 stop3h 33m

Mon 9/2812:30 pm -

2 stops11h 16m

Deal found 9/5

$394

Thu 9/2410:39 am -

1 stop5h 51m

Sun 9/276:00 am -

1 stop5h 33m

Deal found 9/4

$409

Best flights from Lexington to Dulles Intl
Discover carefully curated flight deals from Lexington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.

Tue 10/65:59 pm -

1 stop6h 43m

Sun 10/116:05 am -

1 stop3h 43m

Deal found 9/3

$349

Sat 2/279:00 am -

1 stop7h 19m

Wed 3/33:41 pm -

1 stop4h 37m

Deal found 9/3

$499

Fri 10/237:59 pm -

1 stop4h 43m

Tue 10/276:00 am -

1 stop5h 58m

Deal found 9/3

$349

Fri 10/168:19 pm -

1 stop4h 23m

Sun 10/186:05 am -

1 stop3h 43m

Deal found 9/7

$369

Thu 10/157:59 pm -

1 stop4h 43m

Sun 10/186:05 am -

1 stop3h 43m

Deal found 9/7

$369

Fri 10/168:19 pm -

1 stop4h 23m

Mon 10/197:45 pm -

1 stop4h 13m

Deal found 9/7

$369

Fri 9/1810:10 am -

1 stop5h 51m

Tue 9/225:15 pm -

1 stop6h 50m

Deal found 9/3

$499

Sat 10/175:53 pm -

1 stop5h 23m

Fri 10/234:48 pm -

1 stop7h 11m

Deal found 9/6

$389

Thu 9/2410:39 am -

1 stop5h 51m

Sun 9/276:00 am -

1 stop5h 33m

Deal found 9/4

$409

Thu 2/186:00 am -

1 stop5h 59m

Thu 2/185:00 pm -

1 stop4h 35m

Deal found 9/3

$487

Fri 10/237:59 pm -

1 stop4h 43m

Mon 10/266:05 am -

1 stop3h 43m

Deal found 9/5

$509

Last-minute flights from Lexington to Dulles Intl
Discover last-minute flight deals from Lexington to Dulles Intl. Data last updated September 8, 2026 and is based on user searches.

Thu 9/2410:39 am -

1 stop5h 51m

Sun 9/276:00 am -

1 stop5h 33m

Deal found 9/4

$409

Sat 9/267:18 pm -

1 stop3h 33m

Mon 9/2812:30 pm -

2 stops11h 16m

Deal found 9/5

$394

Fri 10/210:12 am -

1 stop3h 59m

Sun 10/116:05 am -

1 stop3h 43m

Deal found 9/8

$389

Mon 10/59:50 am -

1 stop24h 27m

Mon 10/126:36 pm -

2 stops15h 54m

Deal found 9/5

$390

Tue 10/65:59 pm -

1 stop6h 43m

Sun 10/116:05 am -

1 stop3h 43m

Deal found 9/3

$349

Tue 10/611:14 am -

2 stops9h 32m

Sun 10/115:01 am -

1 stop3h 46m

Deal found 9/3

$354

Thu 10/89:11 pm -

1 stop23h 00m

Mon 10/126:36 pm -

2 stops15h 54m

Deal found 9/7

$347

Thu 10/1510:28 am -

1 stop6h 00m

Mon 10/196:05 am -

1 stop3h 43m

Deal found 9/7

$369

Sun 10/188:59 pm -

1 stop23h 12m

Sun 10/254:20 pm -

1 stop25h 19m

Deal found 9/4

$318

One-way flights from Lexington to Dulles Intl
Search for one-way flight options from Lexington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Fri 10/162:33 pm -

1 stop19h 44m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/6

$156

Thu 10/89:11 pm -

1 stop23h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$161

Fri 10/99:49 pm -

2 stops26h 32m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/4

$164

Sun 10/257:27 pm -

1 stop24h 44m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$243

Mon 10/128:03 pm -

1 stop3h 55m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$244

Tue 10/1310:48 am -

3 stops53h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/7

$293

Find flight deals from Lexington to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$318 (Kiwi.com)
One-way from	$156 (Kiwi.com)
Popular in	August
Cheapest in	December
Average price	$312

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. 14% potential increase in price ($60 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights 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 Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Thu 10/8

9:11 pm-12:21 am

2 stops27h 10m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$197

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Tue 10/13

5:02 pm-11:33 pm

1 stop6h 31m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$244

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 9/28

10:11 am-5:44 pm

1 stop7h 33m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$294

Quickest round-trip

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 9/27

8:13 pm-11:48 pm

1 stop3h 35m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$294

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 10/12

7:56 pm-4:13 pm

3 stops44h 17m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$302

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 10/5

6:05 pm-10:52 pm

1 stop4h 47m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$304

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 9/20

3:50 pm-9:32 am

1 stop17h 42m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$307

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 10/25

7:59 pm-12:42 am

1 stop4h 43m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$329

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Sun 10/4

8:50 am-4:01 pm

1 stop7h 11m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$340

LexingtonWashington, D.C.

LEX Lexington Blue Grass - IAD Washington, D.C. Dulles Intl

LEXIAD

Lexington Blue Grass

Mon 11/2

6:15 pm-11:45 am

2 stops17h 30m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Showing 1-10 of 21 resultsSorted by cheapest first

Compare providers for flights from Lexington to Dulles Intl

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

LEX-IAD

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

See what other customers who have flown with Delta 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

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Delta

7.8

Good

8,550 reviews

Delta

7.8

Good

8,550 reviews

Reviews

1 / 20

8.0

Excellent

Jorge,Aug 2026

TPA - ATL

Although I still enjoy flying Delta, the overall flying experience feels cheapened. But I guess that is true of most, if not all american carriers.

Related info for your journey

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 1 airline.
How long is the flight from Lexington to Washington, D.C. Dulles Intl Airport?
Airlines like Delta fly from Lexington to Washington, D.C. Dulles Intl Airport in about 6h 43m. The time it takes to get you to your destination can typically vary by up to . There are 392 mi between Lexington and Washington, D.C. Dulles Intl Airport.
What is the cheapest airline to fly from Lexington to Washington, D.C. Dulles Intl Airport round-trip?
Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $427.
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.

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Top airline flying from Lexington to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$427	Average$537	FlexibilityNo cancel fee	On-timeN/A

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$156+ Cheap flights from Lexington (LEX) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lexington to Dulles Intl with Cheapflights

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Cheap flight deals from Lexington to Dulles Intl

Cheapest flights from Lexington to Dulles IntlExplore 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 September 8, 2026.

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 September 8, 2026.

Best flights from Lexington to Dulles IntlDiscover carefully curated flight deals from Lexington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.

Discover carefully curated flight deals from Lexington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.

Last-minute flights from Lexington to Dulles IntlDiscover last-minute flight deals from Lexington to Dulles Intl. Data last updated September 8, 2026 and is based on user searches.

Discover last-minute flight deals from Lexington to Dulles Intl. Data last updated September 8, 2026 and is based on user searches.

One-way flights from Lexington to Dulles IntlSearch for one-way flight options from Lexington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Search for one-way flight options from Lexington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Find flight deals from Lexington to Dulles Intl

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Cheapflights 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.

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 September.

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.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Delta 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.

Related info for your journey

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

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

What is the cheapest airline to fly from Lexington to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Lexington to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.

Search flights from Lexington to Dulles Intl by cabin class

Find flights from Lexington to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Lexington and Dulles Intl flights

Browse other Lexington and Dulles Intl flight options. Last updated on September 8, 2026.

Other flights from Lexington

Browse through other flights departing from Lexington. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.

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Top airline flying from Lexington to Dulles Intl

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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 September 8, 2026.

Best flights from Lexington to Dulles Intl
Discover carefully curated flight deals from Lexington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.

Last-minute flights from Lexington to Dulles Intl
Discover last-minute flight deals from Lexington to Dulles Intl. Data last updated September 8, 2026 and is based on user searches.

One-way flights from Lexington to Dulles Intl
Search for one-way flight options from Lexington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.