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Dulles Intl

$409+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — IAD
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
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 July 22, 2026.

This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/196:12 pm
LCH
-
IAD
1 stop5h 18m
United Airlines
Sat 8/226:30 am
IAD
-
LCH
1 stop7h 54m
United Airlines
Deal found 7/20$409
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:13 pm
LCH
-
IAD
1 stop5h 18m
United Airlines
Thu 8/136:30 am
IAD
-
LCH
1 stop7h 54m
United Airlines
Deal found 7/17$411
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Wed 8/52:13 pm
LCH
-
IAD
1 stop7h 30m
United Airlines
Mon 8/1012:50 pm
IAD
-
LCH
1 stop5h 38m
United Airlines
Deal found 7/20$488
This American Airlines deal was found by Cheapflights users on 7/17. 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.
Tue 10/1310:29 am
LCH
-
IAD
1 stop6h 54m
American Airlines
Sat 10/173:08 pm
IAD
-
LCH
1 stop8h 38m
American Airlines
Deal found 7/17$504
This American Airlines deal was found by Cheapflights users on 7/18. 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.
Sat 8/226:04 am
LCH
-
IAD
2 stops15h 51m
American Airlines
Sun 8/306:33 am
IAD
-
LCH
2 stops17h 12m
American Airlines
Deal found 7/18$511
This United Airlines deal was found by Cheapflights users on 7/21. 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 9/46:12 pm
LCH
-
IAD
1 stop5h 18m
United Airlines
Mon 9/710:20 pm
IAD
-
LCH
2 stops24h 16m
United Airlines
Deal found 7/21$524

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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(United Airlines)
Provider with most accurate pricing for Lake Charles-Washington, D.C. Dulles Intl flight deals.
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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 July 22, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 8/19

6:12 pm-12:30 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Sat 8/22

6:30 am-1:24 pm

1 stop7h 54m

$409

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 8/7

6:13 pm-12:31 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Thu 8/13

6:30 am-1:24 pm

1 stop7h 54m

$411
Quickest round-trip

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 8/5

2:13 pm-10:43 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 8/10

12:50 pm-5:28 pm

1 stop5h 38m

$488

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 8/22

6:04 am-10:55 pm

2 stops15h 51m

Washington, D.C. Dulles Intl

Sun 8/30

6:33 am-10:45 pm

2 stops17h 12m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/17

Sorted by cheapest first
  • 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 5h 18m. 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
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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