IAD - LEX

$155 Find Cheap Flights from Washington Dulles Airport to Lexington - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$284
Typical prices: $328-$548
Multiple Airlines
Tue 10/16Sat 10/20
IAD - LEX • 1 stop
Cheapest one-way
$155
Typical prices: $263-$388
Multiple Airlines
Tue 10/30
IAD - LEX • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Lexington. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
March
Cheapest • 38% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Detroit Metropolitan Wayne County (DTW)
Cheapest • Avg $382 (round-trip)
Charlotte Douglas (CLT)
Shortest trip • 4h 12m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Lexington!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Dulles Intl to Lexington (IAD-LEX)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to Lexington

Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
6:08 pm - 11:22 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
17h 14m1 stop Fort Lauderdale
Multiple Airlines Logo
11:20 am - 10:17 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
22h 57m1 stop Orlando Sanford Intl
$284Multiple Airlines
Thu, Oct 29 - Tue, Nov 3
Multiple Airlines Logo
5:50 pm - 2:47 pmIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
20h 57m1 stop Punta Gorda
Multiple Airlines Logo
11:20 am - 10:21 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
23h 01m1 stop Orlando Sanford Intl
$311Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
6:08 pm - 11:22 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
17h 14m1 stop Fort Lauderdale
Multiple Airlines Logo
10:48 am - 12:21 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
13h 33m2 stops Tampa St. Petersburg Atlanta Hartsfield-Jackson
$314Multiple Airlines
Wed, Oct 14 - Sat, Oct 17
Delta Logo
5:13 pm - 9:06 pmIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
3h 53m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:59 pm - 12:42 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
6h 43m1 stop Atlanta Hartsfield-Jackson
$349Delta
Wed, Nov 25 - Tue, Dec 1
Delta Logo
6:00 am - 10:12 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
4h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 11:39 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
4h 34m1 stop Atlanta Hartsfield-Jackson
$349Delta
Wed, Nov 25 - Tue, Dec 1
American Airlines Logo
5:41 pm - 11:58 pmIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
6h 17m1 stop Charlotte Douglas
American Airlines Logo
5:55 pm - 10:01 pmLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
4h 06m1 stop Charlotte Douglas
$349American Airlines
Wed, Oct 21 - Mon, Oct 26
American Airlines Logo
5:01 am - 8:47 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
3h 46m1 stop Charlotte Douglas
American Airlines Logo
8:03 pm - 11:58 pmLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
3h 55m1 stop Charlotte Douglas
$349American Airlines
Sat, Feb 20 - Tue, Feb 23
Delta Logo
6:10 am - 10:20 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
4h 10m1 stop Detroit Metropolitan Wayne County
Delta Logo
5:55 pm - 12:20 amLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
6h 25m1 stop Atlanta Hartsfield-Jackson
$349Delta
Wed, Oct 14 - Sat, Oct 17
American Airlines Logo
5:01 am - 8:47 amIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
3h 46m1 stop Charlotte Douglas
American Airlines Logo
5:57 pm - 11:58 pmLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
6h 01m1 stop Charlotte Douglas
$349American Airlines
Thu, Oct 29 - Tue, Nov 3
Multiple Airlines Logo
5:50 pm - 2:47 pmIAD  Washington, D.C. Dulles Intl-LEX Lexington Blue Grass
20h 57m1 stop Punta Gorda
Multiple Airlines Logo
11:20 am - 5:12 pmLEX  Lexington Blue Grass-IAD Washington, D.C. Dulles Intl
29h 52m2 stops Orlando Sanford Intl Atlanta Hartsfield-Jackson
$352Multiple Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Lexington flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Lexington with more confidence.

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

  • March and December are the cheapest months to fly from Washington, D.C. Dulles Intl Airport to Lexington at $258 round-trip.
  • July ($558) and April ($548) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 116% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Washington, D.C. Dulles Intl Airport to Lexington flights

Low season

December

Cheapest flight

$155
Best time to beat the crowds with an average 38% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Washington, D.C. Dulles Intl Airport to Lexington

When to book flights from Dulles Intl to Lexington

Are your dates flexible? Find out the best times to travel from Dulles Intl to Lexington based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to Lexington flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Lexington?

    Flights from Washington, D.C. Dulles Intl Airport to Lexington usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Lexington Blue Grass (LEX).

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Lexington?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Lexington:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Lexington pass through?

    One-stop flights from Washington, D.C. Dulles Intl Airport to Lexington most commonly connect through:

    • Charlotte Douglas (CLT) - 51% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 31% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 14% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 3% of one-stop connections

    Charlotte Douglas (CLT) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Lexington?

    On the Washington, D.C. Dulles Intl Airport to Lexington route, being flexible with your departure day can save you up to 63%. Saturday is the cheapest day at $328 round-trip on average, while Sunday is the most expensive at $866: a $538 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Lexington takes 0h 00m, covering 392 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Lexington?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to Lexington changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $284 to $1,851. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Washington, D.C. Dulles Intl Airport to Lexington looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Lexington are currently lower than usual. Average one-way flight prices are about $224, which is 38% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Lexington?

    Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 4h 12m, compared with 4h 17m via Atlanta Hartsfield-Jackson (ATL) and 4h 23m via Detroit Metropolitan Wayne County (DTW).

  • What car rental options are available at Lexington Blue Grass Airport (LEX)?

    Lexington Blue Grass Airport (LEX) hosts 5 major car rental companies, with daily rates starting from around $30 for economy cars. Top options include:
    • Dollar
    • Hertz
    • Alamo
    • Budget
    • Enterprise Rent-A-Car

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Lexington flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Lexington range from $328 to $548, with an average of $418 over the past 12 months. Anything below $328 counts as a good deal.

Your guide to booking Washington, D.C. Dulles Intl Airport to Lexington flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $328 - about $538 less than Sunday (62% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Lexington trip for March. Fares historically average $258 round-trip in that month - typically $300 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Dulles Intl to Lexington

Complete your trip to Lexington with a hotel stay or car rental

Car rentals in Lexington
Hotels in Lexington
Vacations in Lexington