HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lexington

$90+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LEX
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Lexington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 junio 12, 2025.

Round-trip from

$179
(American Airlines)

One-way from

$109
(American Airlines)

Popular in

April

Cheapest in

March

Average price

$413
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. 6% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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. 7/239:03 amIAD - LEX
1 stop4h 35mAmerican Airlines
lun. 7/288:15 pmLEX - IAD
1 stop3h 43mAmerican Airlines
Deal found 6/10$179
This Delta deal was found by Cheapflights users on 6/11. 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. 7/86:00 amIAD - LEX
1 stop3h 44mDelta
mié. 7/97:00 amLEX - IAD
1 stop4h 50mDelta
Deal found 6/11$257
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/73:13 pmIAD - LEX
2 stops28h 50mAllegiant Air
mié. 7/99:17 pmLEX - IAD
1 stop11h 18mAllegiant Air
Deal found 6/11$264
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/95:40 pmIAD - LEX
3 stops19h 58mMultiple Airlines
mié. 7/169:17 pmLEX - IAD
1 stop11h 18mMultiple Airlines
Deal found 6/11$324
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/25:15 pmIAD - LEX
1 stop6h 42mUnited Airlines
dom. 10/57:05 amLEX - IAD
1 stop4h 50mUnited Airlines
Deal found 6/10$470

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 junio 12, 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

mié. 7/23

9:03 am-1:38 pm

1 stop4h 35m

Lexington Blue Grass

lun. 7/28

8:15 pm-11:58 pm

1 stop3h 43m

$179

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 7/8

6:00 am-12:15 pm

1 stop6h 15m

Lexington Blue Grass

jue. 7/10

8:15 pm-12:34 am

1 stop4h 19m

$257

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

lun. 7/7

3:13 pm-8:03 pm

2 stops28h 50m

Lexington Blue Grass

mié. 7/9

9:17 pm-8:35 am

1 stop11h 18m

$264

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mié. 7/9

5:40 pm-1:38 pm

3 stops19h 58m

Lexington Blue Grass

mié. 7/16

9:17 pm-8:35 am

1 stop11h 18m

$324

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

jue. 10/2

5:15 pm-11:57 pm

1 stop6h 42m

Lexington Blue Grass

dom. 10/5

7:05 am-11:55 am

1 stop4h 50m

$470

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mié. 11/19

5:49 pm-9:53 pm

1 stop4h 04m

$90

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 7/26

2:40 pm-9:50 pm

1 stop7h 10m

$115

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

sáb. 7/26

8:25 am-1:38 pm

3 stops29h 13m

$177

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

vie. 7/25

5:13 pm-11:44 pm

1 stop6h 31m

$210

Washington, D.C.Lexington

IAD - LEX

IADLEX

Washington, D.C. Dulles Intl

mar. 6/17

10:07 am-3:08 pm

1 stop5h 01m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 junio 12, 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.

Rainfall in Lexington by month

Plan your trip to Lexington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

Temperature in Lexington by month

Plan your trip to Lexington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lexington, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines and Allegiant Air from Washington, D.C. to Lexington to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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!
Allegiant Air
7.3
Good
725 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

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.

  • 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 $179. Other airlines that can offer you cheap pricing are Delta, from $257, and Allegiant Air, from $264. American Airlines is currently priced 63% 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 $109 on American Airlines. Other airlines that offer cheap prices include Allegiant Air from $115 and United Airlines from $210 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, 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Georgetown
Danville
Berea

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Lexington

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Nashville flights
Reagan-National to Nashville flights
Baltimore to Nashville flights
Dulles Intl to Cincinnati flights
Dulles Intl to Louisville flights
Baltimore to Cincinnati flights
Reagan-National to Cincinnati flights
Dulles Intl to Knoxville flights
Reagan-National to Knoxville flights
Baltimore to Louisville flights
Baltimore to Knoxville flights
Reagan-National to Louisville flights
Baltimore to Lexington flights
Reagan-National to Lexington flights
Dulles Intl to Blountville flights
Baltimore to Blountville flights
Reagan-National to Blountville flights
Dulles Intl to Evansville flights
Reagan-National to Evansville flights
Baltimore to Evansville flights
Baltimore to Huntington flights
Baltimore to Owensboro flights
Dulles Intl to Huntington flights
Reagan-National to Huntington flights
Baltimore to Paducah flights
Dulles Intl to Paducah flights
Reagan-National to Paducah flights
Reagan-National to Owensboro flights

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$278Average$338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$338Average$498FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.