Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Lake Charles to Washington, D.C. from $339

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Lake Charles to Washington, D.C. departing on 1/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Lake Charles to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
8:15 am - 3:25 pm
IAD
-
LCH
8h 10m1 stop
$339United Airlines
Sat, Jan 24 - Thu, Jan 29
American Airlines Logo
6:07 am - 5:16 pm
LCH
-
IAD
10h 09m2 stops
American Airlines Logo
5:26 pm - 10:59 pm
IAD
-
LCH
6h 33m1 stop
$344American Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
6:07 am - 5:16 pm
LCH
-
IAD
10h 09m2 stops
American Airlines Logo
11:34 am - 10:59 pm
IAD
-
LCH
12h 25m2 stops
$349American Airlines
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
12:31 pm - 3:25 pm
IAD
-
LCH
27h 54m2 stops
$394United Airlines
Fri, Jan 9 - Sat, Jan 10
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
5:55 pm - 3:25 pm
IAD
-
LCH
22h 30m2 stops
$399United Airlines
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
6:00 am - 9:35 pm
IAD
-
LCH
16h 35m3 stops
$404United Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
12:17 pm - 11:34 pm
LCH
-
IAD
10h 17m2 stops
American Airlines Logo
5:32 pm - 10:53 pm
IAD
-
LCH
6h 21m1 stop
$405American Airlines
Tue, Mar 3 - Sat, Mar 7
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
10:28 pm - 3:25 pm
IAD
-
LCH
17h 57m2 stops
$406United Airlines
Sat, Jan 24 - Thu, Jan 29
American Airlines Logo
2:52 pm - 9:17 pm
LCH
-
IAD
29h 25m1 stop
American Airlines Logo
5:26 pm - 10:59 pm
IAD
-
LCH
30h 33m1 stop
$411American Airlines
Mon, Feb 2 - Fri, Feb 6
United Airlines Logo
4:12 pm - 10:18 pm
LCH
-
IAD
5h 06m1 stop
United Airlines Logo
10:20 pm - 3:25 pm
IAD
-
LCH
18h 05m2 stops
$422United Airlines
Fri, Jan 9 - Sun, Jan 11

United Airlines flights from Lake Charles to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Lake Charles to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 24
LCH4:12 pmLake Charles
5h 06m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
Jan 29
IAD8:15 amWashington, D.C. Dulles Intl
8h 10m
1 stop
LCH3:25 pmLake Charles
$339
Find similar
United Airlines
Jan 9
LCH4:12 pmLake Charles
5h 06m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
Jan 10
IAD12:31 pmWashington, D.C. Dulles Intl
27h 54m
2 stops
LCH3:25 pmLake Charles
$394
Find similar
United Airlines
Jan 24
LCH4:12 pmLake Charles
5h 06m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
Jan 28
IAD12:35 pmWashington, D.C. Dulles Intl
27h 50m
2 stops
LCH3:25 pmLake Charles
$399
Find similar

American Airlines flights from Lake Charles to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Lake Charles to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Jan 24
LCH6:07 amLake Charles
10h 09m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 28
IAD5:26 pmWashington, D.C. Dulles Intl
6h 33m
1 stop
LCH10:59 pmLake Charles
$344
Find similar
American Airlines
Jan 24
LCH6:07 amLake Charles
10h 09m
2 stops
IAD5:16 pmWashington, D.C. Dulles Intl
Jan 28
IAD11:34 amWashington, D.C. Dulles Intl
12h 25m
2 stops
LCH10:59 pmLake Charles
$349
Find similar
American Airlines
Mar 3
LCH12:17 pmLake Charles
10h 17m
2 stops
IAD11:34 pmWashington, D.C. Dulles Intl
Mar 7
IAD5:32 pmWashington, D.C. Dulles Intl
6h 21m
1 stop
LCH10:53 pmLake Charles
$405
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Lake Charles to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 4, 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

Fly to

Route

Depart

Return

Price

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 CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 1/24

6:07 am-5:16 pm

2 stops10h 09m

Washington, D.C. Dulles Intl

Wed 1/28

5:26 pm-10:59 pm

1 stop6h 33m

$344

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Sat 1/24

6:07 am-5:16 pm

2 stops10h 09m

Washington, D.C. Dulles Intl

Wed 1/28

11:34 am-10:59 pm

2 stops12h 25m

$349

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 1/9

4:12 pm-10:18 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sat 1/10

12:31 pm-3:25 pm

2 stops27h 54m

$394

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

Wed 1/28

5:55 pm-3:25 pm

2 stops22h 30m

$399

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

Wed 1/28

6:00 am-9:35 pm

3 stops16h 35m

$404

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Tue 3/3

12:17 pm-11:34 pm

2 stops10h 17m

Washington, D.C. Dulles Intl

Sat 3/7

5:32 pm-10:53 pm

1 stop6h 21m

$405

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

10:28 pm-3:25 pm

2 stops17h 57m

$406

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Mon 2/2

2:52 pm-9:17 pm

1 stop29h 25m

Washington, D.C. Dulles Intl

Fri 2/6

5:26 pm-10:59 pm

1 stop30h 33m

$411

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

Fri 1/9

4:12 pm-10:18 pm

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 1/11

10:20 pm-3:25 pm

2 stops18h 05m

$422

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Lake Charles to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lake Charles to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Lake Charles to Washington, D.C. Dulles Intl Airport (LCH to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Lake Charles to Washington, D.C. Dulles Intl Airport

Fastest flight time

4h 56m

Direct flights

None
The fastest flight from Lake Charles to Washington, D.C. Dulles Intl Airport takes 4h 56m
There are no direct flights from Lake Charles to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Lake Charles to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Lake Charles to Washington, D.C. Dulles Intl by plane?

    There are 1077.3 mi between Lake Charles and Washington, D.C. Dulles Intl. Typically, this will take 4h 56m by plane in normal conditions.

  • When did momondo last update prices for flights from Lake Charles Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Lake Charles Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from Lake Charles Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lake Charles Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Lake Charles to Washington, D.C. Dulles Intl Airport?

    Confirm your travel details to search for the latest offers for flights from Lake Charles to Washington, D.C. Dulles Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Lake Charles to Washington, D.C. Dulles Intl Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Harpers Ferry
Reston
Manassas
Gaithersburg
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Lake Charles to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Lake Charles to Washington, D.C. for you.

Can I find flights from Lake Charles to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Lake Charles on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Lake Charles to Washington, D.C.?

Once all potential Lake Charles to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Lake Charles to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Lake Charles. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 1/3
Sat 1/10
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.