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

$331+ Cheap flights from Lake Charles (LCH) to Washington, D.C. (WAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — WAS
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
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.

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 January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 3/712:17 pm
LCH
-
DCA
1 stop6h 29m
American Airlines
Sat 3/146:30 am
DCA
-
LCH
1 stop6h 09m
American Airlines
Deal found 1/26$331
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 5/12:00 pm
LCH
-
DCA
1 stop7h 15m
United Airlines
Sun 5/311:05 am
DCA
-
LCH
1 stop7h 23m
United Airlines
Deal found 1/26$363
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sat 2/74:12 pm
LCH
-
DCA
1 stop4h 54m
United Airlines
Tue 2/102:45 pm
DCA
-
LCH
1 stop7h 50m
United Airlines
Deal found 1/24$389
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/22:52 pm
LCH
-
IAD
1 stop5h 25m
American Airlines
Sat 2/75:26 pm
IAD
-
LCH
1 stop6h 33m
American Airlines
Deal found 1/25$399
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 5/12:00 pm
LCH
-
IAD
1 stop7h 49m
United Airlines
Sun 5/36:00 am
IAD
-
LCH
1 stop8h 13m
United Airlines
Deal found 1/26$404
This American Airlines deal was found by Cheapflights users on 1/26. 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.
Fri 2/1312:09 pm
LCH
-
BWI
1 stop5h 09m
American Airlines
Mon 2/166:00 am
BWI
-
LCH
1 stop6h 39m
American Airlines
Deal found 1/26$419
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Fri 5/12:00 pm
LCH
-
BWI
1 stop7h 44m
United Airlines
Sun 5/36:00 am
BWI
-
LCH
1 stop8h 13m
United Airlines
Deal found 1/25$465
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sat 2/74:12 pm
LCH
-
IAD
1 stop5h 06m
United Airlines
Tue 2/105:10 pm
IAD
-
LCH
2 stops29h 25m
United Airlines
Deal found 1/24$482
This American Airlines deal was found by Cheapflights users on 1/26. 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 3/712:17 pm
LCH
-
BWI
2 stops9h 09m
American Airlines
Sat 3/146:00 am
BWI
-
LCH
1 stop6h 39m
American Airlines
Deal found 1/26$487
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/104:12 pm
LCH
-
IAD
1 stop5h 06m
United Airlines
Sat 2/145:50 pm
IAD
-
LCH
2 stops22h 47m
United Airlines
Deal found 1/26$493
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 2/104:12 pm
LCH
-
DCA
1 stop6h 47m
United Airlines
Sat 2/1411:00 am
DCA
-
LCH
1 stop5h 37m
United Airlines
Deal found 1/26$500
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Tue 2/34:12 pm
LCH
-
BWI
1 stop22h 54m
United Airlines
Sat 2/78:07 am
BWI
-
LCH
1 stop8h 18m
United Airlines
Deal found 1/24$562

Find 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$331
(American Airlines)
Provider with most accurate pricing for Lake Charles-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lake Charles-Washington, D.C. (WAS) flights.
Search Deals
From Lake Charles to Washington, D.C. (WAS)
Search Deals

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 January 26, 2026.
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

Sat 3/7

12:17 pm-7:46 pm

1 stop6h 29m

Washington, D.C. Reagan-National

Sat 3/14

6:30 am-11:39 am

1 stop6h 09m

$331

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 2/7

4:12 pm-10:06 pm

1 stop4h 54m

Washington, D.C. Reagan-National

Tue 2/10

2:45 pm-9:35 pm

1 stop7h 50m

$389

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 5/1

6:05 pm-11:59 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Sun 5/3

6:00 am-1:13 pm

1 stop8h 13m

$404

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Fri 2/13

12:09 pm-6:18 pm

1 stop5h 09m

Baltimore/Washington

Mon 2/16

6:00 am-11:39 am

1 stop6h 39m

$419

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Fri 5/1

2:00 pm-10:44 pm

1 stop7h 44m

Baltimore/Washington

Sun 5/3

6:00 am-1:13 pm

1 stop8h 13m

$465

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 2/7

4:12 pm-10:18 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Tue 2/10

5:10 pm-9:35 pm

2 stops29h 25m

$482

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Sat 3/7

12:17 pm-10:26 pm

2 stops9h 09m

Baltimore/Washington

Sat 3/14

6:00 am-11:39 am

1 stop6h 39m

$487

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 2/10

4:12 pm-10:18 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sat 2/14

5:50 pm-3:37 pm

2 stops22h 47m

$493

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Tue 2/10

4:12 pm-11:59 pm

1 stop6h 47m

Washington, D.C. Reagan-National

Sat 2/14

11:00 am-3:37 pm

1 stop5h 37m

$500

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Tue 2/10

7:30 am-4:06 pm

1 stop7h 36m

Baltimore/Washington

Sat 2/14

6:07 am-3:37 pm

1 stop10h 30m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
1
2

Compare providers for flights from Lake Charles to Washington, D.C.

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 Lake Charles to Washington, D.C. in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 Lake Charles-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Lake Charles-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lake Charles-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Lake Charles-Washington, D.C. 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 Lake Charles-Washington, D.C. 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 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, June is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. (average of $224). Flying from Lake Charles to Washington, D.C. in August is currently the most expensive (average of $378). 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 4h 54m. 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 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, June is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. (average of $224). Flying from Lake Charles to Washington, D.C. in August is currently the most expensive (average of $378). 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
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$338Average$437FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$393Average$577FlexibilityNo cancel feeOn-time71%

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.