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

Cheapflights users have booked flights from Lexington to Washington, D.C. round-trip from $159. Other airlines that can offer you cheap pricing are American Airlines, from $179, and Allegiant Air, from $294. Users have found that Delta is 49% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from Lexington to Washington, D.C. are Delta ($99), American Airlines ($109), and Allegiant Air ($216).

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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).

What are the most popular routes from Lexington to Washington, D.C.?

While some choose either Lexington Blue Grass - Baltimore/Washington or Lexington Blue Grass - Washington, D.C. Reagan-National, Lexington Blue Grass - Washington, D.C. Dulles Intl is the most popular route from Lexington to Washington, D.C..

What is the cheapest day to fly round-trip from Lexington to Washington, D.C.?

Users have found that flying from Lexington to Washington, D.C. on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, July can be a great choice for travel to Washington, D.C.. Flights to Washington, D.C. from Lexington in July are about $313 on average during July, but can be found for as low as $159.

What airport do you fly from for flights from Lexington to Washington, D.C.?

Lexington Blue Grass (LEX) is the airport you will fly out of if you book a flight from Lexington to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Blue Grass; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Lexington airport to Washington, D.C.. It is only a 5.6 mi journey to Blue Grass (LEX) from Lexington’s city center.

Can I find deals for flights from Lexington to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Lexington to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lexington to Washington, D.C.?

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

Can I find deals for business class flights from Lexington to Washington, D.C.?

Yes. Cheapflights offers flight deals from Lexington to Washington, D.C. by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$99+ Flights from Lexington to Washington, D.C.

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Cheap flight deals from Lexington to Washington, D.C.

Round-trip from	$159 (Delta)
One-way from	$99 (Delta)
Popular in	October
Cheapest in	July
Average price	$197
Good round-trip deal	$197 or less
Good one-way deal	$98 or less

From Lexington Blue Grass to Washington, D.C. (WAS)

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One-way flight from Lexington Blue Grass to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 15% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Lexington Blue Grass to Washington, D.C. (WAS).

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Price to beat on a one-way flight from Lexington Blue Grass to Washington, D.C. (WAS).

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Find flight deals from Lexington to Washington, D.C.

Cheapest flights from Lexington to Washington, D.C.
Explore the most affordable flight options available from Lexington to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Fri 8/86:00 amLEX - DCA

Nonstop1h 33mDelta

Sun 8/109:25 pmDCA - LEX

Nonstop1h 33mDelta

Deal found 7/1

$159

Fri 8/225:15 pmLEX - DCA

1 stop6h 18mAmerican Airlines

Mon 8/255:55 amDCA - LEX

1 stop5h 08mAmerican Airlines

Deal found 7/1

$179

Fri 8/85:15 pmLEX - IAD

1 stop5h 41mAmerican Airlines

Sun 8/106:34 amIAD - LEX

1 stop3h 52mAmerican Airlines

Deal found 7/2

$179

Thu 7/178:56 pmLEX - BWI

1 stop13h 23mMultiple Airlines

Sat 7/1910:11 pmBWI - LEX

2 stops15h 27mMultiple Airlines

Deal found 7/2

$199

Thu 8/287:10 pmLEX - BWI

1 stop4h 07mDelta

Sun 8/315:40 amBWI - LEX

1 stop6h 38mDelta

Deal found 7/1

$223

Fri 8/88:15 pmLEX - IAD

1 stop4h 19mDelta

Sun 8/106:00 amIAD - LEX

1 stop3h 44mDelta

Deal found 7/3

$257

Thu 10/3011:03 amLEX - BWI

1 stop3h 53mAmerican Airlines

Sun 11/25:44 amBWI - LEX

1 stop3h 47mAmerican Airlines

Deal found 7/2

$294

Thu 7/248:56 pmLEX - IAD

2 stops17h 27mAllegiant Air

Sat 7/262:40 pmIAD - LEX

1 stop7h 10mAllegiant Air

Deal found 7/3

$294

Wed 7/27:00 amLEX - BWI

1 stop6h 48mUnited Airlines

Sun 7/65:20 pmBWI - LEX

1 stop6h 24mUnited Airlines

Deal found 7/1

$349

Sun 7/137:34 pmLEX - IAD

2 stops18h 49mMultiple Airlines

Wed 7/165:40 pmIAD - LEX

3 stops19h 58mMultiple Airlines

Deal found 6/30

$402

Wed 7/27:00 amLEX - DCA

1 stop4h 59mUnited Airlines

Sun 7/67:00 pmDCA - LEX

1 stop4h 44mUnited Airlines

Deal found 7/1

$470

Wed 7/211:00 amLEX - IAD

1 stop5h 10mUnited Airlines

Sun 7/68:30 amIAD - LEX

1 stop4h 51mUnited Airlines

Deal found 7/1

$470

Best flights from Lexington to Washington, D.C.
Discover carefully curated flight deals from Lexington to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Fri 8/86:00 amLEX - DCA

Nonstop1h 33mDelta

Sun 8/109:25 pmDCA - LEX

Nonstop1h 33mDelta

Deal found 7/1

$159

Fri 8/811:44 amLEX - DCA

1 stop6h 43mAmerican Airlines

Sun 8/105:00 amDCA - LEX

1 stop5h 26mAmerican Airlines

Deal found 7/2

$179

Thu 7/178:56 pmLEX - BWI

1 stop13h 23mMultiple Airlines

Sat 7/1910:11 pmBWI - LEX

2 stops15h 27mMultiple Airlines

Deal found 7/2

$199

Thu 7/248:56 pmLEX - IAD

2 stops17h 27mAllegiant Air

Sat 7/262:40 pmIAD - LEX

1 stop7h 10mAllegiant Air

Deal found 7/3

$294

Fri 8/85:15 pmLEX - IAD

1 stop5h 41mAmerican Airlines

Sun 8/106:34 amIAD - LEX

1 stop3h 52mAmerican Airlines

Deal found 7/2

$179

Thu 8/287:10 pmLEX - BWI

1 stop4h 07mDelta

Sun 8/315:40 amBWI - LEX

1 stop6h 38mDelta

Deal found 7/1

$223

Tue 7/152:05 pmLEX - DCA

1 stop4h 57mUnited Airlines

Tue 7/227:00 pmDCA - LEX

1 stop4h 44mUnited Airlines

Deal found 7/1

$470

Fri 8/88:15 pmLEX - IAD

1 stop4h 19mDelta

Sun 8/106:00 amIAD - LEX

1 stop3h 44mDelta

Deal found 7/3

$257

Thu 10/3011:03 amLEX - BWI

1 stop3h 53mAmerican Airlines

Sun 11/25:44 amBWI - LEX

1 stop3h 47mAmerican Airlines

Deal found 7/2

$294

Sun 7/137:34 pmLEX - IAD

2 stops18h 49mMultiple Airlines

Wed 7/165:40 pmIAD - LEX

3 stops19h 58mMultiple Airlines

Deal found 6/30

$402

Tue 7/157:00 amLEX - IAD

1 stop4h 55mUnited Airlines

Tue 7/223:39 pmIAD - LEX

1 stop4h 42mUnited Airlines

Deal found 7/1

$470

Sat 7/195:44 pmLEX - BWI

1 stop5h 40mUnited Airlines

Fri 7/256:50 pmBWI - LEX

1 stop4h 54mUnited Airlines

Deal found 7/2

$471

Last-minute flights from Lexington to Washington, D.C.
Discover last-minute flight deals from Lexington to Washington, D.C.. Data last updated July 3, 2025 and is based on user searches.

Wed 7/27:00 amLEX - BWI

1 stop6h 48mUnited Airlines

Sun 7/65:20 pmBWI - LEX

1 stop6h 24mUnited Airlines

Deal found 7/1

$349

Wed 7/27:00 amLEX - DCA

1 stop4h 59mUnited Airlines

Sun 7/67:00 pmDCA - LEX

1 stop4h 44mUnited Airlines

Deal found 7/1

$470

Thu 7/37:00 amLEX - IAD

1 stop4h 55mUnited Airlines

Sun 7/61:20 pmIAD - LEX

1 stop7h 01mUnited Airlines

Deal found 6/30

$470

Thu 7/106:00 amLEX - DCA

Nonstop1h 33mDelta

Thu 7/176:59 amDCA - LEX

1 stop5h 16mDelta

Deal found 7/2

$309

Thu 7/108:15 pmLEX - IAD

1 stop3h 43mAmerican Airlines

Thu 7/176:35 amIAD - LEX

1 stop3h 53mAmerican Airlines

Deal found 7/2

$318

Thu 7/108:56 pmLEX - IAD

2 stops17h 27mAllegiant Air

Fri 7/114:46 pmIAD - LEX

2 stops15h 08mAllegiant Air

Deal found 7/3

$388

Thu 7/107:00 amLEX - IAD

1 stop6h 49mUnited Airlines

Fri 7/113:39 pmIAD - LEX

1 stop4h 42mUnited Airlines

Deal found 7/1

$517

Fri 7/117:13 pmLEX - DCA

1 stop4h 44mAmerican Airlines

Sat 7/123:54 pmDCA - LEX

1 stop7h 35mAmerican Airlines

Deal found 7/1

$260

Fri 7/118:15 pmLEX - BWI

1 stop4h 39mDelta

Sat 7/127:51 pmBWI - LEX

1 stop4h 08mDelta

Deal found 7/2

$269

Fri 7/118:15 pmLEX - IAD

1 stop4h 19mDelta

Sat 7/126:00 amIAD - LEX

1 stop5h 33mDelta

Deal found 7/3

$399

Fri 7/1112:33 pmLEX - BWI

2 stops9h 42mAmerican Airlines

Mon 7/146:20 amBWI - LEX

1 stop4h 08mAmerican Airlines

Deal found 7/1

$741

Sun 7/137:34 pmLEX - BWI

1 stop14h 45mMultiple Airlines

Wed 7/165:45 amBWI - LEX

1 stop15h 06mMultiple Airlines

Deal found 6/30

$310

One-way flights from Lexington to Washington, D.C.
Search for one-way flight options from Lexington to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 9/176:05 amLEX - DCA

Nonstop1h 33mDelta

Deal found 7/2

$99

Tue 10/75:21 pmLEX - DCA

1 stop4h 39mAmerican Airlines

Deal found 7/2

$109

Sat 10/118:02 pmLEX - IAD

1 stop3h 49mAmerican Airlines

Deal found 7/3

$109

Wed 9/177:55 amLEX - IAD

1 stop3h 33mDelta

Deal found 7/3

$129

Sun 8/177:47 pmLEX - BWI

1 stop13h 23mMultiple Airlines

Deal found 7/1

$135

Wed 9/176:00 amLEX - BWI

1 stop5h 12mDelta

Deal found 7/2

$165

Mon 8/186:59 pmLEX - BWI

1 stop5h 00mAmerican Airlines

Deal found 7/1

$185

Sun 7/207:34 pmLEX - IAD

2 stops18h 49mAllegiant Air

Deal found 7/2

$216

Sun 7/2010:43 pmLEX - IAD

3 stops22h 26mMultiple Airlines

Deal found 7/2

$231

Tue 10/76:01 pmLEX - IAD

2 stops13h 31mUnited Airlines

Deal found 7/3

$234

Wed 9/177:00 amLEX - BWI

1 stop6h 48mUnited Airlines

Deal found 7/1

$352

Sat 10/117:05 amLEX - DCA

2 stops10h 47mUnited Airlines

Deal found 7/2

$357

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lexington to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LexingtonWashington, D.C.

LEX - DCA

LEXDCA

Lexington Blue Grass

Fri 8/8

6:00 am-7:33 am

Nonstop1h 33m

Washington, D.C. Reagan-National

Sun 8/10

9:25 pm-10:58 pm

Nonstop1h 33m

$159

LexingtonWashington, D.C.

LEX - DCA

LEXDCA

Lexington Blue Grass

Fri 8/8

11:44 am-6:27 pm

1 stop6h 43m

Washington, D.C. Reagan-National

Sun 8/10

5:00 am-10:26 am

1 stop5h 26m

$179

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 8/8

5:15 pm-10:56 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

Sun 8/10

6:34 am-10:26 am

1 stop3h 52m

$179

LexingtonBaltimore

LEX - BWI

LEXBWI

Lexington Blue Grass

Thu 7/17

8:56 pm-10:19 am

1 stop13h 23m

Baltimore/Washington

Sat 7/19

10:11 pm-1:38 pm

2 stops15h 27m

$199

LexingtonBaltimore

LEX - BWI

LEXBWI

Lexington Blue Grass

Thu 8/28

7:10 pm-11:17 pm

1 stop4h 07m

Baltimore/Washington

Sun 8/31

5:40 am-12:18 pm

1 stop6h 38m

$223

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Fri 8/8

8:15 pm-12:34 am

1 stop4h 19m

Washington, D.C. Dulles Intl

Sun 8/10

6:00 am-9:44 am

1 stop3h 44m

$257

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Thu 7/24

8:56 pm-2:23 pm

2 stops17h 27m

Washington, D.C. Dulles Intl

Sat 7/26

2:40 pm-9:50 pm

1 stop7h 10m

$294

LexingtonBaltimore

LEX - BWI

LEXBWI

Lexington Blue Grass

Thu 10/30

11:03 am-2:56 pm

1 stop3h 53m

Baltimore/Washington

Sun 11/2

5:44 am-9:31 am

1 stop3h 47m

$294

LexingtonWashington, D.C.

LEX - IAD

LEXIAD

Lexington Blue Grass

Sun 7/13

7:34 pm-2:23 pm

2 stops18h 49m

Washington, D.C. Dulles Intl

Wed 7/16

5:40 pm-1:38 pm

3 stops19h 58m

$402

LexingtonWashington, D.C.

LEX - DCA

LEXDCA

Lexington Blue Grass

Tue 7/15

2:05 pm-7:02 pm

1 stop4h 57m

Washington, D.C. Reagan-National

Tue 7/22

7:00 pm-11:44 pm

1 stop4h 44m

$470

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 24 results

Best time to book a flight from Lexington to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

Cheapflights Insights

Everything you need to know about your flight from Lexington to Washington, D.C.

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

Currently, August is the cheapest month in which you can book a flight from Lexington to Washington, D.C. (average of $309). Flying from Lexington to Washington, D.C. in July is currently the most expensive (average of $345). 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 WAS?

It’s optimal to fly from Lexington to Washington, D.C. in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Lexington to Washington, D.C.?

Travelers seeking maximum savings on their Lexington to Washington, D.C. flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta, United Airlines, and Allegiant Air from Lexington to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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

708 reviews

Delta

8.0

Very good

7,982 reviews

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

7,982 reviews

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

What airport do you fly from for flights from Lexington to Washington, D.C.?
Lexington Blue Grass (LEX) is the airport you will fly out of if you book a flight from Lexington to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Blue Grass; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Lexington airport to Washington, D.C.. It is only a 5.6 mi journey to Blue Grass (LEX) from Lexington’s city center.
What are the cheapest airlines flying from Lexington to Washington, D.C. round-trip?
Cheapflights users have booked flights from Lexington to Washington, D.C. round-trip from $159. Other airlines that can offer you cheap pricing are American Airlines, from $179, and Allegiant Air, from $294. Users have found that Delta is 49% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Lexington to Washington, D.C. one-way?
The cheapest airlines for a one-way flight from Lexington to Washington, D.C. are Delta ($99), American Airlines ($109), and Allegiant Air ($216).
What are the most popular routes from Lexington to Washington, D.C.?
While some choose either Lexington Blue Grass - Baltimore/Washington or Lexington Blue Grass - Washington, D.C. Reagan-National, Lexington Blue Grass - Washington, D.C. Dulles Intl is the most popular route from Lexington to Washington, D.C..
Can I find deals for flights from Lexington to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Lexington to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lexington to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lexington to Washington, D.C..
Can I find deals for business class flights from Lexington to Washington, D.C.?
Yes. Cheapflights offers flight deals from Lexington to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Lexington to Washington, D.C. (average of $309). Flying from Lexington to Washington, D.C. in July is currently the most expensive (average of $345). 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.

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Top 2 airlines flying from Lexington to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$216	Average$351	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$228	Average$473	FlexibilityNo cancel fee	On-time71%

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$99+ Cheap flights from Lexington (LEX) to Washington, D.C. (WAS)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Lexington to Washington, D.C.

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Popular in

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Find flight deals from Lexington to Washington, D.C.

Cheapest flights from Lexington to Washington, D.C.Explore the most affordable flight options available from Lexington to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Lexington to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lexington to Washington, D.C. that are best for you.

Best time to book a flight from Lexington to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Lexington with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lexington to Washington, D.C.

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

What is the cheapest time of day to fly from LEX to WAS?

Find hourly flight availability from Lexington to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

What is the cheapest day to fly from Lexington to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Lexington to Washington, D.C.. Price data was last updated on December 16, 2024.

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Delta, United Airlines, and Allegiant Air from Lexington to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

What are the most popular routes from Lexington to Washington, D.C.?

Can I find deals for flights from Lexington to Washington, D.C. that include hotel bookings?

How can I find direct flights from Lexington to Washington, D.C.?

Can I find deals for business class flights from Lexington to Washington, D.C.?

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

Traveling to a place near Lexington?

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Alternative routes for Lexington to Washington, D.C.

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Top 2 airlines flying from Lexington to Washington, D.C.

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Cheapest flights from Lexington to Washington, D.C.
Explore the most affordable flight options available from Lexington to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.