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Dulles Intl

$399+ Cheap flights from Lake Charles (LCH) to Dulles Intl (IAD)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — IAD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Lake Charles to Dulles Intl

Cheapest flights from Lake Charles to Dulles Intl
Explore the most affordable flight options available from Lake Charles to Dulles Intl. 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 1/25. 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 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 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

Find flight deals from Lake Charles to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Lake Charles (LCH) 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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$404
(United Airlines)
Provider with most accurate pricing for Lake Charles-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lake Charles-Washington, D.C. Dulles Intl flights.
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From Lake Charles to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Lake Charles 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 January 26, 2026.
Use the filters below to find and compare flights from Lake Charles to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Lake Charles

Fly to

Dulles Intl

Route

Depart

Return

Price

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 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 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 - IAD

LCHIAD

Lake Charles

Sat 3/7

4:15 pm-10:36 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Sat 3/14

6:00 am-3:32 pm

1 stop10h 32m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Lake Charles-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 Lake Charles-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Lake Charles-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 Lake Charles-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 Lake Charles-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 Lake Charles to Dulles Intl

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

Related info for your journey

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

    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. Dulles Intl. 0 airlines have flights from Lake Charles to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Lake Charles to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    There are many flights that can get you from Lake Charles to Washington, D.C. Dulles Intl Airport in 4h 54m. Fly via United Airlines to get the fastest option. The distance from Lake Charles to Washington, D.C. Dulles Intl Airport is about 1082 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Lake Charles 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport 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

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