$269 Cheap Flights from Lake Charles (LCH) to Washington (IAD)

View $269 flight on Tue, Nov 11, 2025Opens in a new window

Popular airlines from Lake Charles, LA (LCH-Lake Charles Regional) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Lake Charles to Washington (LCH-IAD)

Prices were available within the past 7 days and start at $269 for one-way flights and $259 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jan 13 - Tue, Jan 27
LCH
Lake Charles
IAD
Washington
$259 Roundtrip, found 13 hours ago
$259
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Lake Charles to Washington, returning Tue, Jan 27, priced at $259 found 13 hours ago
United
Sat, Nov 8 - Wed, Nov 12
LCH
Lake Charles
IAD
Washington
$274 Roundtrip, found 9 hours ago
$274
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Nov 8 from Lake Charles to Washington, returning Wed, Nov 12, priced at $274 found 9 hours ago
United
Fri, Nov 7 - Tue, Nov 11
LCH
Lake Charles
IAD
Washington
$289 Roundtrip, found 2 hours ago
$289
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Nov 7 from Lake Charles to Washington, returning Tue, Nov 11, priced at $289 found 2 hours ago
United
Thu, Jan 8 - Sat, Jan 10
LCH
Lake Charles
IAD
Washington
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 8 from Lake Charles to Washington, returning Sat, Jan 10, priced at $326 found 1 day ago
United
Fri, Nov 7 - Tue, Nov 11
LCH
Lake Charles
IAD
Washington
$337 Roundtrip, found 2 hours ago
$337
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Nov 7 from Lake Charles to Washington, returning Tue, Nov 11, priced at $337 found 2 hours ago
American Airlines
Tue, Jan 13 - Tue, Jan 27
LCH
Lake Charles
IAD
Washington
$339 Roundtrip, found 13 hours ago
$339
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Jan 13 from Lake Charles to Washington, returning Tue, Jan 27, priced at $339 found 13 hours ago
United
Sat, Nov 8 - Wed, Nov 12
LCH
Lake Charles
IAD
Washington
$354 Roundtrip, found 9 hours ago
$354
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Nov 8 from Lake Charles to Washington, returning Wed, Nov 12, priced at $354 found 9 hours ago
United
Wed, Nov 26 - Wed, Dec 10
LCH
Lake Charles
IAD
Washington
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select United flight, departing Wed, Nov 26 from Lake Charles to Washington, returning Wed, Dec 10, priced at $360 found 1 day ago
United
Fri, Nov 7 - Tue, Nov 11
LCH
Lake Charles
IAD
Washington
$369 Roundtrip, found 2 hours ago
$369
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Nov 7 from Lake Charles to Washington, returning Tue, Nov 11, priced at $369 found 2 hours ago
United
Sat, Nov 8 - Wed, Nov 12
LCH
Lake Charles
IAD
Washington
$382 Roundtrip, found 9 hours ago
$382
Roundtrip
found 9 hours ago
Select United flight, departing Sat, Nov 8 from Lake Charles to Washington, returning Wed, Nov 12, priced at $382 found 9 hours ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $354
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $354

Frequently asked questions

How much does a flight from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $269 or cheap return flight from $259 from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD)?
The cheapest month to fly from LCH to IAD is January, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline flying from LCH to IAD, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD)?
Direct flights from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LCH to IAD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD)?
Choose a flight from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD) last-minute?
Waiting until just before your departure to book a ticket from LCH to IAD generally means paying more. While you may come across some last-minute deals, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a LCH to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a LCH to IAD flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Lake Charles Regional Airport (LCH) to Washington Dulles Intl. Airport (IAD)?
Typically, it's possible to cancel or reschedule your LCH to IAD flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Lake Charles Regional
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, United
Roundtrip price
$258
Distance
1082 mi

Book with confidence

Lake Charles to Washington Flights

The cheapest times to fly from Lake Charles to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lake Charles to Washington are during the month of January. You can find some of the cheapest flights from Lake Charles to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lake Charles to Washington

Sunday is one of the best days to book for cheap flights from Lake Charles to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lake Charles to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lake Charles to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $269 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lake Charles to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lake Charles to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lake Charles to Washington Flights

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*Available to One Key members.