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Dulles Intl

$234+ Cheap flights from Lake Charles (LCH) to Dulles Intl (IAD)

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 — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$324
(United Airlines)

One-way from

$234
(American Airlines)
From Lake Charles to Washington, D.C. Dulles Intl
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One-way flight from Lake Charles to Washington, D.C. Dulles Intl
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Find 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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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 10/106:06 pmLCH - IAD
1 stop4h 45mUnited Airlines
Sun 10/1210:45 amIAD - LCH
1 stop7h 43mUnited Airlines
Deal found 9/11$324
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Thu 10/26:06 pmLCH - IAD
1 stop4h 45mUnited Airlines
Mon 10/136:01 amIAD - LCH
1 stop8h 14mUnited Airlines
Deal found 9/11$379
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/282:15 pmLCH - IAD
1 stop6h 57mUnited Airlines
Sat 11/16:00 amIAD - LCH
1 stop8h 11mUnited Airlines
Deal found 9/11$384
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/86:06 pmLCH - IAD
1 stop4h 45mUnited Airlines
Sun 10/1210:45 amIAD - LCH
1 stop7h 43mUnited Airlines
Deal found 9/11$404
This American Airlines deal was found by Cheapflights users on 9/10. 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 11/115:45 amLCH - IAD
1 stop9h 26mAmerican Airlines
Fri 11/146:04 amIAD - LCH
1 stop30h 40mAmerican Airlines
Deal found 9/10$422
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/216:00 amLCH - IAD
2 stops11h 54mAmerican Airlines
Mon 10/275:54 pmIAD - LCH
1 stop6h 00mAmerican Airlines
Deal found 9/10$440
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/182:15 pmLCH - IAD
1 stop5h 37mUnited Airlines
Tue 9/238:35 amIAD - LCH
1 stop5h 41mUnited Airlines
Deal found 9/10$449

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 September 11, 2025.
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 10/10

6:06 pm-11:51 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sun 10/12

10:45 am-5:28 pm

1 stop7h 43m

$324

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Thu 10/2

6:06 pm-11:51 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Mon 10/13

6:01 am-1:15 pm

1 stop8h 14m

$379

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 10/28

2:15 pm-10:12 pm

1 stop6h 57m

Washington, D.C. Dulles Intl

Sat 11/1

6:00 am-1:11 pm

1 stop8h 11m

$384

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 2/18

3:40 pm-10:36 pm

1 stop5h 56m

Washington, D.C. Dulles Intl

Sat 2/21

1:00 pm-7:37 pm

1 stop7h 37m

$384

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 2/18

12:15 pm-11:54 pm

2 stops10h 39m

Washington, D.C. Dulles Intl

Sat 2/21

8:52 am-5:57 pm

2 stops10h 05m

$396

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 10/8

6:06 pm-11:51 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

Sun 10/12

8:30 am-1:15 pm

1 stop5h 45m

$404

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 10/21

6:00 am-6:54 pm

2 stops11h 54m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 45m. 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.

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

    Currently, August is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Lake Charles to Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport?

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

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