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Lexington

$114+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LEX
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$199
(Delta)

One-way from

$114
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$347
From Washington, D.C. Dulles Intl to Lexington Blue Grass
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One-way flight from Washington, D.C. Dulles Intl to Lexington Blue Grass
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Highest demand for flights based on searches. 11% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 17, 2025.

This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 10/216:05 amIAD - LEX
1 stop3h 40mDelta
mié. 10/291:14 pmLEX - IAD
1 stop6h 10mDelta
Deal found 9/15$199
This Delta deal was found by Cheapflights users on 9/16. 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.
mar. 10/146:05 amIAD - LEX
1 stop3h 40mDelta
mar. 10/215:57 pmLEX - IAD
1 stop5h 21mDelta
Deal found 9/16$209
This Delta deal was found by Cheapflights users on 9/15. 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.
mié. 10/16:00 amIAD - LEX
1 stop3h 44mDelta
mar. 10/75:57 pmLEX - IAD
1 stop5h 21mDelta
Deal found 9/15$229
This Delta deal was found by Cheapflights users on 9/15. 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.
lun. 10/207:35 pmIAD - LEX
1 stop4h 29mDelta
mar. 10/215:57 pmLEX - IAD
1 stop5h 21mDelta
Deal found 9/15$237
This Delta deal was found by Cheapflights users on 9/15. 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.
sáb. 10/256:05 amIAD - LEX
1 stop3h 40mDelta
mar. 10/281:14 pmLEX - IAD
1 stop6h 10mDelta
Deal found 9/15$238
This Delta deal was found by Cheapflights users on 9/15. 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.
mar. 9/306:00 amIAD - LEX
1 stop6h 15mDelta
sáb. 10/45:48 pmLEX - IAD
1 stop5h 38mDelta
Deal found 9/15$239
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/298:47 amIAD - LEX
2 stops24h 21mMultiple Airlines
dom. 11/29:58 amLEX - IAD
1 stop12h 11mMultiple Airlines
Deal found 9/15$245
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/2910:25 amIAD - LEX
1 stop6h 26mAmerican Airlines
dom. 11/25:00 amLEX - IAD
1 stop3h 41mAmerican Airlines
Deal found 9/15$249
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mié. 10/225:06 amIAD - LEX
1 stop5h 13mAmerican Airlines
mar. 10/286:00 amLEX - IAD
1 stop3h 55mAmerican Airlines
Deal found 9/15$259
This Delta deal was found by Cheapflights users on 9/17. 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.
mar. 10/146:05 amIAD - LEX
1 stop3h 40mDelta
jue. 10/167:59 pmLEX - IAD
1 stop4h 13mDelta
Deal found 9/17$277
This Delta deal was found by Cheapflights users on 9/16. 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.
sáb. 10/115:52 pmIAD - LEX
1 stop6h 12mDelta
mar. 10/145:54 pmLEX - IAD
1 stop5h 06mDelta
Deal found 9/16$278

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 septiembre 17, 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

sáb. 11/1

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 11/4

5:54 pm-11:00 pm

1 stop5h 06m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 10/25

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 11/4

5:54 pm-11:00 pm

1 stop5h 06m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 10/21

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mié. 10/29

1:14 pm-7:24 pm

1 stop6h 10m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 10/21

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 10/28

1:14 pm-7:24 pm

1 stop6h 10m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 12/2

6:00 am-9:52 am

1 stop3h 52m

Lexington Blue Grass

lun. 12/8

7:59 pm-12:16 am

1 stop4h 17m

$199

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 10/14

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 10/21

5:57 pm-11:18 pm

1 stop5h 21m

$209

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mié. 10/1

6:00 am-12:15 pm

1 stop6h 15m

Lexington Blue Grass

mar. 10/7

5:54 pm-11:00 pm

1 stop5h 06m

$229

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mié. 10/29

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

sáb. 11/1

10:25 am-4:29 pm

1 stop6h 04m

$238

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 10/25

6:05 am-9:45 am

1 stop3h 40m

Lexington Blue Grass

mar. 10/28

1:14 pm-7:24 pm

1 stop6h 10m

$238

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 9/30

6:00 am-12:15 pm

1 stop6h 15m

Lexington Blue Grass

sáb. 10/4

5:48 pm-11:26 pm

1 stop5h 38m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 21 results
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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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lexington (average of $303). Flying from Washington, D.C. Dulles Intl Airport to Lexington in April is currently the most expensive (average of $390). 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 septiembre 17, 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 27% 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 septiembre 17, 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
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 3h 40m. 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.

  • 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 48% below the average price you’ll pay for this route.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Lexington (average of $303). Flying from Washington, D.C. Dulles Intl Airport to Lexington in April is currently the most expensive (average of $390). 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$279Average$378FlexibilityNo cancel feeOn-timeN/A

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