$129 Cheap Delta flights Washington (IAD) to Lexington (LEX)

View $129 flight on Wed, Oct 1, 2025Opens in a new window

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$129 Cheap Delta flights Washington (IAD) to Lexington (LEX)

Prices were available within the past 7 days and start at $129 for one-way flights and $239 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 1 - Sat, Oct 4
IAD
Washington
LEX
Lexington
$239 Roundtrip, just found
$239
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Washington to Lexington, returning Sat, Oct 4, priced at $239 just found
Delta
Wed, Oct 1 - Sat, Oct 4
IAD
Washington
LEX
Lexington
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Washington to Lexington, returning Sat, Oct 4, priced at $257 just found
Delta
Tue, Aug 5 - Wed, Aug 20
IAD
Washington
LEX
Lexington
$258 Roundtrip, found 8 hours ago
$258
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Aug 5 from Washington to Lexington, returning Wed, Aug 20, priced at $258 found 8 hours ago
Delta
Wed, Oct 1 - Sat, Oct 4
IAD
Washington
LEX
Lexington
$287 Roundtrip, just found
$287
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Washington to Lexington, returning Sat, Oct 4, priced at $287 just found
Delta
Wed, Aug 6 - Wed, Aug 20
IAD
Washington
LEX
Lexington
$288 Roundtrip, found 8 hours ago
$288
Roundtrip
found 8 hours ago
Select Delta flight, departing Wed, Aug 6 from Washington to Lexington, returning Wed, Aug 20, priced at $288 found 8 hours ago
Delta
Wed, Nov 12 - Sun, Nov 16
IAD
Washington
LEX
Lexington
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 12 from Washington to Lexington, returning Sun, Nov 16, priced at $289 found 1 day ago
Flights from Washington (IAD) to Lexington (LEX)
Origin airport
Washington Dulles Intl.
Destination airport
Blue Grass
Airlines serving
American Airlines, Delta, United
Popular airline
Delta
Distance
391 mi

Frequently asked questions

How much is a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Blue Grass Airport (LEX)?
Finding cheap one-way Delta Air Lines flights from IAD to LEX from $129 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $239 for your next exciting vacation.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to LEX with Delta Air Lines?
Delta Air Lines flights to Lexington tend to be cheaper in the off-peak months of January and February. Whether you need a return or one-way ticket, you could score a better deal then.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Blue Grass Airport (LEX) with Delta Air Lines?
Begin your search one to three months ahead of your departure date to get cheap fares on Delta Air Lines flights from Washington Dulles Intl. Airport (IAD) to Blue Grass Airport (LEX). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Washington Dulles Intl. Airport (IAD) to Blue Grass Airport (LEX)?
Use the "Nonstop" filter when browsing for direct Delta Air Lines flights from IAD to LEX. You can also compare other airlines servicing the same direct route.
What is the earliest Delta Air Lines flight from IAD to LEX?
Find Delta Air Lines's earliest flights from IAD to LEX by checking the "Morning" and "Early Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Lexington?
Catch a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Lexington, and you'll likely arrive at Blue Grass Airport (LEX). This is the airline's primary hub here.
Why fly with Delta Air Lines from IAD to LEX?
Taking off from IAD to LEX with Delta Air Lines means enjoying a host of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to Blue Grass Airport (LEX)?
Typically, you can cancel or reschedule your flight, although additional fees may apply if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of Expedia's "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you have to alter your plans. To update your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more details.

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*Available to One Key members.