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Washington, D.C.

$339+ 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — WAS
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/4. 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 12/207:30 amLCH - DCA
1 stop5h 13mUnited Airlines
Wed 12/2412:45 pmDCA - LCH
1 stop7h 19mUnited Airlines
Deal found 12/4$417
This American Airlines deal was found by Cheapflights users on 12/7. 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.
Tue 12/166:00 amLCH - BWI
2 stops11h 29mAmerican Airlines
Sat 12/206:00 amBWI - LCH
1 stop6h 46mAmerican Airlines
Deal found 12/7$485
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/204:15 pmLCH - IAD
1 stop6h 34mUnited Airlines
Wed 12/2412:48 pmIAD - LCH
1 stop7h 16mUnited Airlines
Deal found 12/4$518
This American Airlines deal was found by Cheapflights users on 12/4. 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 12/2012:16 pmLCH - DCA
1 stop7h 43mAmerican Airlines
Wed 12/2410:15 amDCA - LCH
2 stops8h 34mAmerican Airlines
Deal found 12/4$595
This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:30 amLCH - DCA
1 stop5h 13mUnited Airlines
Thu 12/258:15 amDCA - LCH
1 stop8h 10mUnited Airlines
Deal found 12/6$637
This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:15 pmLCH - IAD
1 stop6h 34mUnited Airlines
Thu 12/258:30 amIAD - LCH
1 stop7h 55mUnited Airlines
Deal found 12/6$637
This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:15 pmLCH - BWI
1 stop6h 43mUnited Airlines
Thu 12/256:15 amBWI - LCH
2 stops10h 10mUnited Airlines
Deal found 12/6$652
This United Airlines deal was found by Cheapflights users on 12/5. 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.
Mon 12/154:15 pmLCH - BWI
1 stop5h 10mUnited Airlines
Fri 12/196:04 pmBWI - LCH
1 stop28h 20mUnited Airlines
Deal found 12/5$677
This American Airlines deal was found by Cheapflights users on 12/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:00 amLCH - IAD
2 stops9h 59mAmerican Airlines
Sat 12/205:33 pmIAD - LCH
1 stop6h 06mAmerican Airlines
Deal found 12/6$680
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Sun 12/1412:15 pmLCH - DCA
1 stop7h 45mAmerican Airlines
Wed 12/175:01 pmDCA - LCH
1 stop6h 53mAmerican Airlines
Deal found 12/4$731
This American Airlines deal was found by Cheapflights users on 12/4. 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.
Sun 12/1412:15 pmLCH - IAD
2 stops10h 46mAmerican Airlines
Wed 12/175:08 pmIAD - LCH
1 stop6h 46mAmerican Airlines
Deal found 12/4$736
This American Airlines deal was found by Cheapflights users on 12/5. 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.
Fri 12/2612:11 pmLCH - DCA
1 stop7h 59mAmerican Airlines
Mon 12/2911:54 amDCA - LCH
1 stop6h 55mAmerican Airlines
Deal found 12/5$737

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$339
(United 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)
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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 December 8, 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 CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Sat 2/7

7:30 am-4:06 pm

1 stop7h 36m

Baltimore/Washington

Tue 2/10

8:07 am-3:25 pm

1 stop8h 18m

$339

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 2/7

4:12 pm-11:59 pm

1 stop6h 47m

Washington, D.C. Reagan-National

Tue 2/10

2:45 pm-9:35 pm

1 stop7h 50m

$339

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 1/24

4:12 pm-10:06 pm

1 stop4h 54m

Washington, D.C. Reagan-National

Thu 1/29

11:00 am-3:25 pm

1 stop5h 25m

$339

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

8:15 am-3:25 pm

1 stop8h 10m

$339

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 1/24

4:12 pm-10:18 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Thu 1/29

8:15 am-3:25 pm

1 stop8h 10m

$339

Lake CharlesBaltimore

LCH - BWI

LCHBWI

Lake Charles

Sat 1/24

7:30 am-9:21 pm

2 stops12h 51m

Baltimore/Washington

Thu 1/29

3:52 pm-9:35 pm

1 stop6h 43m

$391

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 12/20

7:30 am-1:43 pm

1 stop5h 13m

Washington, D.C. Reagan-National

Wed 12/24

12:45 pm-7:04 pm

1 stop7h 19m

$417

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Thu 1/1

7:30 am-11:59 pm

2 stops15h 29m

Washington, D.C. Reagan-National

Thu 1/8

4:28 pm-9:35 pm

1 stop6h 07m

$551

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 12/20

12:16 pm-8:59 pm

1 stop7h 43m

Washington, D.C. Reagan-National

Wed 12/24

10:15 am-5:49 pm

2 stops8h 34m

$595

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sun 12/21

7:30 am-1:43 pm

1 stop5h 13m

Washington, D.C. Reagan-National

Thu 12/25

8:15 am-3:25 pm

1 stop8h 10m

$637

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 12 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Lake Charles-Washington, D.C. flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lake Charles-Washington, D.C. flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 7h 36m. Fly via United Airlines to get the fastest option. There are 1126 mi between Lake Charles and Washington, D.C..

  • 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 - Baltimore/Washington. You may also consider Lake Charles - Washington, D.C. Dulles Intl 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
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$388FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$577FlexibilityNo cancel feeOn-time71%

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