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Dulles Intl

$177+ Cheap flights from Lexington (LEX) to Dulles Intl (IAD)

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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — IAD
Feb 11 — Feb 181
Tue 2/11
Tue 2/18
1 adult, Economy
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Cheap flight deals from Lexington to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lexington (LEX) to Dulles Intl (IAD). 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 February 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(Delta)

One-way from

$177
(Mytrip)

Popular in

October

Cheapest in

January

Average price

$576
Provider with most accurate pricing for Lexington Blue Grass-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Lexington Blue Grass-Washington, D.C. Dulles Intl flights.
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From Lexington Blue Grass to Washington, D.C. Dulles Intl
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One-way flight from Lexington Blue Grass to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 6% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Lexington to Dulles Intl

Cheapest flights from Lexington to Dulles Intl
Explore the most affordable flight options available from Lexington to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2025.

This American Airlines deal was found by Cheapflights users on 2/5. 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.
Sat 3/158:11 pmLEX - IAD
1 stop3h 47mAmerican Airlines
Wed 3/195:28 pmIAD - LEX
1 stop4h 31mAmerican Airlines
Deal found 2/5$319
This Delta deal was found by Cheapflights users on 2/6. 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.
Thu 10/301:30 pmLEX - IAD
1 stop5h 18mDelta
Sun 11/25:00 amIAD - LEX
1 stop6h 36mDelta
Deal found 2/6$349
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 3/67:00 amLEX - IAD
1 stop4h 46mUnited Airlines
Wed 3/128:20 amIAD - LEX
1 stop4h 56mUnited Airlines
Deal found 2/5$409
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Sun 6/159:27 amLEX - IAD
1 stop5h 46mAllegiant Air
Fri 6/203:13 pmIAD - LEX
2 stops16h 41mAllegiant Air
Deal found 2/5$426
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Sun 6/159:27 amLEX - IAD
1 stop5h 46mMultiple Airlines
Sun 6/2212:55 pmIAD - LEX
3 stops25h 50mMultiple Airlines
Deal found 2/5$484

Find flights from Lexington to Dulles Intl within your budget

Customize your flight search to find flights from Lexington to Dulles Intl 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 February 6, 2025.

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Route

Depart

Return

Price

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 3/6

10:26 am-3:58 pm

1 stop5h 32m

Washington, D.C. Dulles Intl

Thu 3/13

6:00 am-11:23 am

1 stop5h 23m

$319

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 3/7

8:11 pm-11:58 pm

1 stop3h 47m

Washington, D.C. Dulles Intl

Sun 3/9

5:28 pm-9:59 pm

1 stop4h 31m

$322

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 3/6

7:00 am-11:46 am

1 stop4h 46m

Washington, D.C. Dulles Intl

Wed 3/12

8:20 am-1:16 pm

1 stop4h 56m

$409

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 6/15

9:27 am-3:13 pm

1 stop5h 46m

Washington, D.C. Dulles Intl

Fri 6/20

3:13 pm-7:54 am

2 stops16h 41m

$426

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 6/15

9:27 am-3:13 pm

1 stop5h 46m

Washington, D.C. Dulles Intl

Sun 6/22

12:55 pm-2:45 pm

3 stops25h 50m

$484

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 6/15

9:27 am-3:13 pm

1 stop5h 46m

$177

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 3/23

9:30 pm-12:50 pm

2 stops15h 20m

$196

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 3/11

7:35 am-1:22 pm

1 stop5h 47m

$209

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Tue 3/11

11:00 am-7:26 am

2 stops20h 26m

$248

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Wed 2/12

5:53 pm-11:13 pm

1 stop5h 20m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Compare providers for flights from Lexington to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lexington to Dulles Intl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Lexington-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lexington-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lexington-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lexington-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lexington-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lexington to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Lexington 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.

Travel insights for flights from Lexington to Dulles Intl

Get recent, data-driven insights about flights from Lexington to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Lexington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Lexington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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 LEX to IAD?

Find hourly flight availability from Lexington to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 6, 2025.

When flying from Lexington to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 14% versus a flight at noon.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated February 6, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and Allegiant Air from Lexington to Washington, D.C. 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
8,388 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,388 reviews
Delta
8.0
Very good
8,388 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,879 reviews
Delta
8.0
Very good
8,388 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air
7.3
Good
782 reviews
Delta
8.0
Very good
8,388 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,388 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Lexington to Dulles Intl. 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 from for flights from Lexington to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Lexington, you will be flying from Blue Grass, which is the city’s only airport. Lexington Blue Grass (LEX) is located 5.6 mi from the center of Lexington. There are 0 flights from Blue Grass to Washington, D.C. Dulles Intl per day from 1 airline.

  • What are the cheapest airlines flying from Lexington to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $319. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $322 and $409, respectively. Users have found that Delta is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Lexington to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Allegiant Air. According to our data, you can fly for as low as $177. Users have also found prices from $209 and $248 on American Airlines and United Airlines, respectively.

  • Can I find deals for flights from Lexington to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Lexington to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Lexington to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lexington to Dulles Intl.

  • Can I find deals for business class flights from Lexington to Dulles Intl?

    Yes. Cheapflights offers flight deals from Lexington to Dulles Intl 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 Lexington to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Lexington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Lexington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). 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
Arlington
Fairfax
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Springfield
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Rockville
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Gaithersburg
Fredericksburg
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Laurel
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Woodbridge
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National Harbor
Oxon Hill

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Top airline flying from Lexington to Dulles Intl

Discover the top airline that operate flights from Lexington to Dulles Intl. 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 February 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$388Average$635FlexibilityNo cancel feeOn-time71%
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