$119 Cheap Flights from Lexington (LEX) to Washington (IAD)

View $119 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Lexington to Washington (LEX-IAD)

Prices were available within the past 7 days and start at $119 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Mon, Nov 17
LEX
Lexington
IAD
Washington
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Nov 15 from Lexington to Washington, returning Mon, Nov 17, priced at $199 found 1 hour ago
American Airlines
Wed, Nov 5 - Sun, Nov 9
LEX
Lexington
IAD
Washington
$209 Roundtrip, found 10 hours ago
$209
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Lexington to Washington, returning Sun, Nov 9, priced at $209 found 10 hours ago
Delta
Wed, Dec 10 - Sat, Jan 10
LEX
Lexington
IAD
Washington
$219 Roundtrip, found 6 hours ago
$219
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Dec 10 from Lexington to Washington, returning Sat, Jan 10, priced at $219 found 6 hours ago
Delta
Sat, Nov 15 - Mon, Nov 17
LEX
Lexington
IAD
Washington
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Nov 15 from Lexington to Washington, returning Mon, Nov 17, priced at $229 found 1 hour ago
Delta
Sun, Nov 16 - Tue, Nov 18
LEX
Lexington
IAD
Washington
$237 Roundtrip, found 1 hour ago
$237
Roundtrip
found 1 hour ago
Select Delta flight, departing Sun, Nov 16 from Lexington to Washington, returning Tue, Nov 18, priced at $237 found 1 hour ago
American Airlines
Sat, Nov 15 - Mon, Nov 17
LEX
Lexington
IAD
Washington
$239 Roundtrip, found 1 hour ago
$239
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Nov 15 from Lexington to Washington, returning Mon, Nov 17, priced at $239 found 1 hour ago
American Airlines
Sun, Nov 16 - Tue, Nov 18
LEX
Lexington
IAD
Washington
$240 Roundtrip, found 1 hour ago
$240
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Nov 16 from Lexington to Washington, returning Tue, Nov 18, priced at $240 found 1 hour ago
Delta
Wed, Dec 10 - Sat, Jan 10
LEX
Lexington
IAD
Washington
$249 Roundtrip, found 6 hours ago
$249
Roundtrip
found 6 hours ago
Select Delta flight, departing Wed, Dec 10 from Lexington to Washington, returning Sat, Jan 10, priced at $249 found 6 hours ago
American Airlines
Tue, Dec 2 - Sat, Dec 6
LEX
Lexington
IAD
Washington
$251 Roundtrip, found 8 hours ago
$251
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Tue, Dec 2 from Lexington to Washington, returning Sat, Dec 6, priced at $251 found 8 hours ago
Delta
Mon, Nov 17 - Tue, Nov 18
LEX
Lexington
IAD
Washington
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Nov 17 from Lexington to Washington, returning Tue, Nov 18, priced at $257 found 1 day ago

Find the cheapest month to fly from Lexington (LEX) to Washington (IAD)

August is typically the cheapest month to fly

From $178 - $507 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $377
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $377

Frequently asked questions

How much does a flight from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $119 or cheap return flight from $199 from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)?
Traveling in November can help you save, as it's the cheapest month for flights between LEX and IAD. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from LEX to IAD. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)?
There are no daily direct flights departing from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from LEX to IAD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)?
Book a flight from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD) that takes off before 3 PM to reduce the likelihood of delays. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Blue Grass Airport (LEX)?
Browse your flight options from Blue Grass Airport (LEX) to Ronald Reagan Washington National Airport (DCA). This is the only airport in Washington you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book a ticket from LEX to IAD often results in higher prices. Although you may find some last-minute deals, they aren't always guaranteed. Be flexible with your travel plans for the best chance of getting a bargain.
Is it cheaper to book a LEX to IAD flight and hotel package?
You'll generally save money by booking a LEX to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Blue Grass Airport (LEX) to Washington Dulles Intl. Airport (IAD)?
If you booked your LEX to IAD flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Blue Grass
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$198
Distance
391 mi

Book with confidence

Book with confidence

Lexington to Washington Flights

The cheapest times to fly from Lexington to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lexington to Washington are during the month of November. You can find some of the cheapest flights from Lexington to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lexington to Washington

Sunday is one of the best days to book for cheap flights from Lexington to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lexington to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lexington to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $119 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lexington to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lexington to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lexington to Washington Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.