HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington, D.C.

$271+ Cheap flights from Lake Charles (LCH) 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — WAS
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lake Charles to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Lake Charles to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Lake Charles (LCH) to Washington, D.C. (WAS). 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 agosto 20, 2025.

Round-trip from

$289
(American Airlines)

One-way from

$271
(American Airlines)
From Lake Charles to Washington, D.C. (WAS)
Search Deals
One-way flight from Lake Charles to Washington, D.C. (WAS)
Search Deals

Find flight deals from Lake Charles to Washington, D.C.

Cheapest flights from Lake Charles to Washington, D.C.
Explore the most affordable flight options available from Lake Charles to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/17. 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.
mar. 9/26:43 pmLCH - DCA
1 stop5h 26mAmerican Airlines
sáb. 9/65:20 pmDCA - LCH
1 stop6h 28mAmerican Airlines
Deal found 8/17$289
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mar. 10/216:00 amLCH - IAD
2 stops11h 54mAmerican Airlines
lun. 10/275:54 pmIAD - LCH
1 stop6h 00mAmerican Airlines
Deal found 8/18$319
This United Airlines deal was found by Cheapflights users on 8/19. 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.
jue. 11/62:15 pmLCH - DCA
1 stop6h 54mUnited Airlines
lun. 11/102:51 pmDCA - LCH
1 stop7h 31mUnited Airlines
Deal found 8/19$339
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mar. 9/212:13 pmLCH - BWI
2 stops9h 44mAmerican Airlines
sáb. 9/66:41 amBWI - LCH
1 stop5h 52mAmerican Airlines
Deal found 8/18$353
This United Airlines deal was found by Cheapflights users on 8/20. 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.
vie. 8/292:15 pmLCH - BWI
1 stop7h 30mUnited Airlines
mar. 9/22:54 pmBWI - LCH
1 stop7h 16mUnited Airlines
Deal found 8/20$369
This United Airlines deal was found by Cheapflights users on 8/20. 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.
vie. 8/292:15 pmLCH - DCA
1 stop6h 54mUnited Airlines
mar. 9/24:47 pmDCA - LCH
1 stop5h 23mUnited Airlines
Deal found 8/20$369
This United Airlines deal was found by Cheapflights users on 8/20. 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.
vie. 8/296:07 pmLCH - IAD
1 stop4h 48mUnited Airlines
mar. 9/24:10 pmIAD - LCH
1 stop6h 00mUnited Airlines
Deal found 8/20$369
This American Airlines deal was found by Cheapflights users on 8/20. 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.
vie. 8/2912:13 pmLCH - DCA
1 stop7h 45mAmerican Airlines
mar. 9/23:25 pmDCA - LCH
2 stops8h 18mAmerican Airlines
Deal found 8/20$374
This American Airlines deal was found by Cheapflights users on 8/19. 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.
dom. 8/246:00 amLCH - BWI
1 stop5h 43mAmerican Airlines
dom. 8/317:00 amBWI - LCH
1 stop5h 30mAmerican Airlines
Deal found 8/19$379
This United Airlines deal was found by Cheapflights users on 8/19. 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.
dom. 8/246:07 pmLCH - IAD
1 stop4h 48mUnited Airlines
dom. 8/318:35 amIAD - LCH
1 stop5h 41mUnited Airlines
Deal found 8/19$379
This American Airlines deal was found by Cheapflights users on 8/19. 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.
dom. 8/2412:13 pmLCH - BWI
2 stops11h 20mAmerican Airlines
lun. 9/16:30 amBWI - LCH
2 stops12h 22mAmerican Airlines
Deal found 8/19$389
This American Airlines deal was found by Cheapflights users on 8/18. 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.
mar. 10/216:43 pmLCH - DCA
1 stop5h 16mAmerican Airlines
lun. 10/273:25 pmDCA - LCH
1 stop8h 29mAmerican Airlines
Deal found 8/18$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lake Charles to Washington, D.C. 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 agosto 20, 2025.
Use the filters below to find and compare flights from Lake Charles to Washington, D.C. that are best for you.

Fly from

Lake Charles

Fly to

Washington, D.C.

Route

Depart

Return

Price

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

mar. 9/2

6:43 pm-1:09 am

1 stop5h 26m

Washington, D.C. Reagan-National

sáb. 9/6

5:20 pm-10:48 pm

1 stop6h 28m

$289

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

mar. 10/21

6:00 am-6:54 pm

2 stops11h 54m

Washington, D.C. Dulles Intl

lun. 10/27

5:54 pm-10:54 pm

1 stop6h 00m

$319

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

jue. 11/6

2:15 pm-10:09 pm

1 stop6h 54m

Washington, D.C. Reagan-National

lun. 11/10

2:51 pm-9:22 pm

1 stop7h 31m

$339

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

mar. 9/2

12:13 pm-10:57 pm

2 stops9h 44m

Baltimore/Washington

sáb. 9/6

6:41 am-11:33 am

1 stop5h 52m

$353

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

mar. 10/21

6:43 pm-12:59 am

1 stop5h 16m

Washington, D.C. Reagan-National

lun. 10/27

3:25 pm-10:54 pm

1 stop8h 29m

$389

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

jue. 11/6

6:04 pm-11:44 pm

1 stop4h 40m

Washington, D.C. Dulles Intl

lun. 11/10

6:00 am-1:11 pm

1 stop8h 11m

$404

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

mar. 9/2

2:15 pm-10:45 pm

1 stop7h 30m

Baltimore/Washington

sáb. 9/6

6:00 am-1:16 pm

1 stop8h 16m

$418

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

mié. 10/8

6:00 am-6:54 pm

2 stops11h 54m

Washington, D.C. Dulles Intl

dom. 10/12

6:11 am-11:44 am

1 stop6h 33m

$428

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

jue. 11/6

5:45 am-2:30 pm

1 stop7h 45m

Baltimore/Washington

lun. 11/10

6:02 am-11:44 am

1 stop6h 42m

$444

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

mié. 10/8

6:06 pm-11:51 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

dom. 10/12

10:45 am-5:28 pm

1 stop7h 43m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 15 results
1
2

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

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

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

Currently, July is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. (average of $303). Flying from Lake Charles to Washington, D.C. in April is currently the most expensive (average of $337). 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.

Related info for your journey

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

    Lake Charles (LCH), located 6.1 mi from the city center, is the airport you fly out of when you book flights from Lake Charles to Washington, D.C.. 2 airlines have flights from Lake Charles to Washington, D.C. on a regular basis. Booking flights from Lake Charles to Washington, D.C. should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. per day.

  • How long is the flight from Lake Charles to Washington, D.C.?

    There are many flights that can get you from Lake Charles to Washington, D.C. in 5h 26m. Fly via American Airlines or United Airlines to get the fastest option. There are 1098 mi between Lake Charles and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Lake Charles to Washington, D.C. round-trip?

    Our cheapest airline available from Lake Charles to Washington, D.C. is American Airlines. Our recent data shows that you can find tickets from as low as $255 on this airline.

  • What are the most popular routes from Lake Charles to Washington, D.C.?

    The most popular route from Lake Charles to Washington, D.C. is Lake Charles - Washington, D.C. Dulles Intl. You may also consider Lake Charles - Baltimore/Washington or Lake Charles - Washington, D.C. Reagan-National.

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

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

  • How can I find direct flights from Lake Charles 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 Lake Charles to Washington, D.C..

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

    Yes. Cheapflights offers flight deals from Lake Charles 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 Lake Charles to Washington, D.C.?

    Currently, July is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. (average of $303). Flying from Lake Charles to Washington, D.C. in April is currently the most expensive (average of $337). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Lake Charles to Washington, D.C.

Discover the top 2 airlines that operate flights from Lake Charles to Washington, D.C.. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$255Average$498FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$338FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.