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Lexington

$119+ Cheap flights from Dulles Intl (IAD) to Lexington (LEX)

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LEX
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find flight deals from Dulles Intl to Lexington

Cheapest flights from Dulles Intl to Lexington
Explore the most affordable flight options available from Dulles Intl to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Delta deal was found by Cheapflights users on 10/25. 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 12/117:35 pmIAD - LEX
1 stop4h 33mDelta
Tue 12/165:15 pmLEX - IAD
1 stop4h 14mDelta
Deal found 10/25$199
This American Airlines deal was found by Cheapflights users on 10/25. 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 11/185:29 pmIAD - LEX
1 stop3h 58mAmerican Airlines
Mon 11/247:18 pmLEX - IAD
1 stop3h 49mAmerican Airlines
Deal found 10/25$209
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Fri 11/145:35 pmIAD - LEX
1 stop5h 41mAmerican Airlines
Mon 11/177:18 pmLEX - IAD
1 stop3h 49mAmerican Airlines
Deal found 10/27$229
This Delta deal was found by Cheapflights users on 10/25. 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.
Sat 11/85:52 pmIAD - LEX
1 stop6h 13mDelta
Sun 11/98:07 pmLEX - IAD
1 stop4h 09mDelta
Deal found 10/25$239
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amIAD - LEX
1 stop3h 53mDelta
Sun 11/168:07 pmLEX - IAD
1 stop4h 09mDelta
Deal found 10/26$249
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amIAD - LEX
1 stop3h 53mDelta
Mon 11/173:40 pmLEX - IAD
1 stop5h 52mDelta
Deal found 10/26$259
This Delta deal was found by Cheapflights users on 10/25. 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 12/410:08 amIAD - LEX
1 stop4h 48mDelta
Sun 12/77:59 pmLEX - IAD
1 stop4h 13mDelta
Deal found 10/25$268
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Thu 11/66:24 amIAD - LEX
1 stop4h 23mAmerican Airlines
Mon 11/107:18 pmLEX - IAD
1 stop3h 49mAmerican Airlines
Deal found 10/26$269
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/182:16 pmIAD - LEX
1 stop4h 35mAmerican Airlines
Wed 11/196:03 amLEX - IAD
1 stop4h 16mAmerican Airlines
Deal found 10/27$277
This Delta deal was found by Cheapflights users on 10/25. 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.
Fri 11/146:00 amIAD - LEX
1 stop3h 53mDelta
Sat 11/225:39 pmLEX - IAD
1 stop5h 40mDelta
Deal found 10/25$279
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/186:35 amIAD - LEX
1 stop3h 55mAmerican Airlines
Sun 1/114:35 pmLEX - IAD
1 stop6h 36mAmerican Airlines
Deal found 10/25$289
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Sun 11/25:24 amIAD - LEX
1 stop4h 23mAmerican Airlines
Fri 1/97:17 pmLEX - IAD
1 stop3h 55mAmerican Airlines
Deal found 10/26$294

Cheap flight deals from Dulles Intl to Lexington

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Lexington (LEX). 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(Delta)

One-way from

$119
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$348
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Lexington Blue Grass flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Lexington Blue Grass flights.
Search Deals
From Washington, D.C. Dulles Intl to Lexington Blue Grass
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Lexington Blue Grass
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

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

Dulles Intl

Fly to

Lexington

Route

Depart

Return

Price

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 12/11

7:35 pm-12:08 am

1 stop4h 33m

Lexington Blue Grass

Tue 12/16

7:10 am-11:35 am

1 stop4h 25m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 1/9

7:01 am-12:19 pm

1 stop5h 18m

Lexington Blue Grass

Sun 1/11

6:00 am-10:58 am

1 stop4h 58m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Wed 12/10

6:00 am-9:52 am

1 stop3h 52m

Lexington Blue Grass

Wed 12/17

3:41 pm-9:29 pm

1 stop5h 48m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 12/11

7:35 pm-12:08 am

1 stop4h 33m

Lexington Blue Grass

Mon 12/15

5:15 pm-9:29 pm

1 stop4h 14m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Tue 11/18

5:29 pm-9:27 pm

1 stop3h 58m

Lexington Blue Grass

Mon 11/24

7:18 pm-11:07 pm

1 stop3h 49m

$209

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/14

5:35 pm-11:16 pm

1 stop5h 41m

Lexington Blue Grass

Mon 11/17

7:18 pm-11:07 pm

1 stop3h 49m

$229

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/14

5:35 pm-11:16 pm

1 stop5h 41m

Lexington Blue Grass

Sat 11/22

8:10 pm-11:59 pm

1 stop3h 49m

$229

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Sat 11/8

5:52 pm-12:05 am

1 stop6h 13m

Lexington Blue Grass

Sun 11/9

8:07 pm-12:16 am

1 stop4h 09m

$239

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-9:53 am

1 stop3h 53m

Lexington Blue Grass

Sat 11/15

6:00 am-10:13 am

1 stop4h 13m

$239

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

Fri 11/14

6:00 am-9:53 am

1 stop3h 53m

Lexington Blue Grass

Sun 11/16

8:07 pm-12:16 am

1 stop4h 09m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 21 results
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Compare providers for flights from Dulles Intl to Lexington

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 Dulles Intl to Lexington in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 Washington, D.C. Dulles Intl Airport-Lexington flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Lexington flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Lexington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Lexington flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Dulles Intl Airport-Lexington 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 Dulles Intl to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from Dulles Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Lexington

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lexington?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lexington (average of $135). Flying from Washington, D.C. Dulles Intl Airport to Lexington in January is currently the most expensive (average of $207). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Dulles Intl to Lexington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Lexington in the morning. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the evening.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Lexington?

Reviews of airlines servicing Lexington

Get insights into the airlines that provide service to Lexington. 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 Lexington. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Delta and American Airlines from Washington, D.C. Dulles Intl Airport to Lexington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,997 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,030 reviews
Delta
7.9
Good
7,997 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Lexington. 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 into for flights to Lexington from Washington, D.C. Dulles Intl?

    Most people fly into Lexington Blue Grass (LEX) if they book a flight to Lexington from Washington, D.C. Dulles Intl. On average, Blue Grass has 0 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Lexington Blue Grass is conveniently located just 5.6 mi from Lexington’s city center.

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

    A quick flight from Washington, D.C. Dulles Intl Airport to Lexington can take about 4h 33m. Delta provides one of the quickest options available for as low as $199. There are 392 mi between Washington, D.C. Dulles Intl Airport and Lexington. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Lexington round-trip from $238. Another airline that can offer you cheap pricing is Delta. American Airlines is currently priced 46% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Lexington one-way?

    One-way options have recently been found by users for as low as $119 on American Airlines. Other airlines that offer cheap prices include Delta from $119 and Allegiant Air from $142 one-way.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Lexington?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lexington (average of $135). Flying from Washington, D.C. Dulles Intl Airport to Lexington in January is currently the most expensive (average of $207). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Georgetown
Berea
Frankfort

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Alternative routes for Dulles Intl to Lexington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to Lexington

Discover the top 2 airlines that operate flights from Dulles Intl to Lexington. 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$318FlexibilityNo cancel feeOn-time71%
DeltaCheapest$279Average$378FlexibilityNo cancel feeOn-timeN/A

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