HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$309+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
LCH — IAD
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lake Charles to Dulles Intl 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 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 April 24, 2026.

This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/56:05 pm
LCH
-
IAD
1 stop4h 54m
United Airlines
Sat 5/96:00 am
IAD
-
LCH
1 stop8h 13m
United Airlines
Deal found 4/20$369
This United Airlines deal was found by Cheapflights users on 4/22. 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 7/302:13 pm
LCH
-
IAD
1 stop7h 30m
United Airlines
Mon 8/32:53 pm
IAD
-
LCH
1 stop7h 41m
United Airlines
Deal found 4/22$419
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/156:05 pm
LCH
-
IAD
1 stop4h 54m
United Airlines
Sun 5/246:30 am
IAD
-
LCH
1 stop7h 54m
United Airlines
Deal found 4/23$428
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/111:30 am
LCH
-
IAD
2 stops11h 29m
American Airlines
Sat 5/95:59 pm
IAD
-
LCH
1 stop5h 42m
American Airlines
Deal found 4/22$429
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:31 am
LCH
-
IAD
1 stop6h 17m
American Airlines
Mon 8/241:23 pm
IAD
-
LCH
2 stops10h 22m
American Airlines
Deal found 4/20$441
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:18 am
LCH
-
IAD
1 stop7h 14m
American Airlines
Wed 7/2211:59 am
IAD
-
LCH
1 stop6h 33m
American Airlines
Deal found 4/21$449
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/212:13 pm
LCH
-
IAD
1 stop7h 30m
United Airlines
Tue 5/266:30 am
IAD
-
LCH
1 stop7h 54m
United Airlines
Deal found 4/22$460
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:31 am
LCH
-
IAD
2 stops12h 16m
American Airlines
Sun 8/309:11 am
IAD
-
LCH
2 stops9h 03m
American Airlines
Deal found 4/20$468
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Fri 7/36:13 pm
LCH
-
IAD
1 stop5h 18m
United Airlines
Sat 7/116:30 am
IAD
-
LCH
1 stop7h 54m
United Airlines
Deal found 4/20$472
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/111:30 am
LCH
-
IAD
2 stops11h 29m
American Airlines
Sun 5/35:59 pm
IAD
-
LCH
1 stop5h 42m
American Airlines
Deal found 4/22$484
This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:18 am
LCH
-
IAD
1 stop7h 16m
American Airlines
Wed 7/811:59 am
IAD
-
LCH
1 stop6h 33m
American Airlines
Deal found 4/21$498

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 April 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$369
(United Airlines)

One-way from

$309
(American 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.
Search Deals
From Lake Charles to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Lake Charles to Washington, D.C. Dulles Intl
Search Deals

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 April 24, 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

Thu 7/30

2:13 pm-10:43 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 8/3

2:53 pm-9:34 pm

1 stop7h 41m

$419

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 7/31

6:13 pm-12:31 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Mon 8/3

2:53 pm-9:34 pm

1 stop7h 41m

$419
Quickest round-trip

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 5/15

6:05 pm-11:59 pm

1 stop4h 54m

Washington, D.C. Dulles Intl

Sun 5/24

6:30 am-1:24 pm

1 stop7h 54m

$428

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Thu 5/21

2:13 pm-10:43 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Tue 5/26

6:30 am-1:24 pm

1 stop7h 54m

$460

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Wed 7/1

10:18 am-6:34 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Wed 7/8

11:59 am-5:32 pm

1 stop6h 33m

$498

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 6/30

10:18 am-6:34 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Fri 7/3

11:59 am-5:32 pm

1 stop6h 33m

$566

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Thu 7/30

10:18 am-6:32 pm

1 stop7h 14m

Washington, D.C. Dulles Intl

Sun 8/2

11:59 am-5:32 pm

1 stop6h 33m

$594

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 5/5

2:00 pm-7:27 am

2 stops16h 27m

Washington, D.C. Dulles Intl

Sat 5/9

6:00 am-1:13 pm

1 stop8h 13m

$606

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Mon 6/8

2:13 pm-10:43 pm

1 stop7h 30m

Washington, D.C. Dulles Intl

Thu 6/11

6:30 am-1:24 pm

1 stop7h 54m

$617

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 7/18

10:18 am-10:05 pm

2 stops10h 47m

Washington, D.C. Dulles Intl

Wed 7/22

6:33 am-5:32 pm

2 stops11h 59m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 14 resultsSorted by cheapest first
1
2
  • 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 7h 16m. Fly via United Airlines or American Airlines to get the fastest option. The distance from Lake Charles to Washington, D.C. Dulles Intl Airport is about 1082 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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
Owings Mills
Springfield
Arlington
Woodbridge
Silver Spring
Herndon
Rockville
Hyattsville
Fredericksburg
Hanover
Laurel
Manassas
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Hunt Valley

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.

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.