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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 6/24. 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
1 adult, Economy, 0 bags

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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
2:13 pm - 10:15 pm
LCH
-
DCA
7h 02m
1 stop
United Airlines Logo
8:20 am - 1:24 pm
DCA
-
LCH
6h 04m
1 stop
$339United Airlines
Wed, Jun 24 - Tue, Jun 30
United Airlines Logo
7:30 am - 1:36 pm
LCH
-
DCA
5h 06m
1 stop
United Airlines Logo
11:05 am - 5:18 pm
DCA
-
LCH
7h 13m
1 stop
$354United Airlines
Tue, Apr 21 - Sat, Apr 25
United Airlines Logo
2:00 pm - 10:15 pm
LCH
-
DCA
7h 15m
1 stop
United Airlines Logo
2:33 pm - 9:33 pm
DCA
-
LCH
8h 00m
1 stop
$369United Airlines
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
11:30 am - 9:35 pm
LCH
-
DCA
9h 05m
2 stops
American Airlines Logo
3:46 pm - 10:41 pm
DCA
-
LCH
7h 55m
1 stop
$374American Airlines
Sat, Apr 18 - Tue, Apr 21
American Airlines Logo
6:00 am - 12:34 pm
LCH
-
DCA
5h 34m
1 stop
American Airlines Logo
3:46 pm - 10:41 pm
DCA
-
LCH
7h 55m
1 stop
$394American Airlines
Thu, Apr 16 - Mon, Apr 20
American Airlines Logo
10:18 am - 6:59 pm
LCH
-
DCA
7h 41m
1 stop
American Airlines Logo
5:00 am - 9:48 am
DCA
-
LCH
5h 48m
1 stop
$397American Airlines
Sat, Jul 25 - Wed, Jul 29
United Airlines Logo
6:13 pm - 11:59 pm
LCH
-
DCA
4h 46m
1 stop
United Airlines Logo
4:59 pm - 9:34 pm
DCA
-
LCH
5h 35m
1 stop
$410United Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
10:18 am - 6:59 pm
LCH
-
DCA
7h 41m
1 stop
American Airlines Logo
5:00 am - 9:48 am
DCA
-
LCH
5h 48m
1 stop
$414American Airlines
Sat, Jul 25 - Wed, Jul 29
American Airlines Logo
11:30 am - 5:59 pm
LCH
-
DCA
5h 29m
1 stop
American Airlines Logo
6:00 am - 11:00 am
DCA
-
LCH
6h 00m
1 stop
$421American Airlines
Fri, May 1 - Sun, May 3
American Airlines Logo
11:30 am - 5:59 pm
LCH
-
DCA
5h 29m
1 stop
American Airlines Logo
6:00 am - 11:00 am
DCA
-
LCH
6h 00m
1 stop
$422American Airlines
Fri, May 1 - Sun, May 3

United Airlines flights from Lake Charles to Washington, D.C. Reagan-National Airport

Our best United Airlines deals on Lake Charles to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Jun 24
LCH2:13 pmLake Charles
7h 02m
1 stop
DCA10:15 pmWashington, D.C. Reagan-National
Jun 30
DCA8:20 amWashington, D.C. Reagan-National
6h 04m
1 stop
LCH1:24 pmLake Charles
$339
United Airlines
Apr 21
LCH7:30 amLake Charles
5h 06m
1 stop
DCA1:36 pmWashington, D.C. Reagan-National
Apr 25
DCA11:05 amWashington, D.C. Reagan-National
7h 13m
1 stop
LCH5:18 pmLake Charles
$354
United Airlines
Apr 18
LCH2:00 pmLake Charles
7h 15m
1 stop
DCA10:15 pmWashington, D.C. Reagan-National
Apr 21
DCA2:33 pmWashington, D.C. Reagan-National
8h 00m
1 stop
LCH9:33 pmLake Charles
$369

American Airlines flights from Lake Charles to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Lake Charles to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
Apr 14
LCH11:30 amLake Charles
5h 30m
1 stop
DCA6:00 pmWashington, D.C. Reagan-National
Apr 19
DCA6:00 amWashington, D.C. Reagan-National
6h 00m
1 stop
LCH11:00 amLake Charles
$369
American Airlines
Apr 18
LCH11:30 amLake Charles
9h 05m
2 stops
DCA9:35 pmWashington, D.C. Reagan-National
Apr 21
DCA3:46 pmWashington, D.C. Reagan-National
7h 55m
1 stop
LCH10:41 pmLake Charles
$374
American Airlines
Apr 16
LCH6:00 amLake Charles
5h 34m
1 stop
DCA12:34 pmWashington, D.C. Reagan-National
Apr 20
DCA3:46 pmWashington, D.C. Reagan-National
7h 55m
1 stop
LCH10:41 pmLake Charles
$394

momondo Fare Finder

 
Customize your flight search to find flights from Lake Charles to Washington, D.C. Reagan-National 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 April 5, 2026.
Use the filters below to find and compare flights from Lake Charles to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Wed 6/24

2:13 pm-10:15 pm

1 stop7h 02m

Washington, D.C. Reagan-National

Tue 6/30

8:20 am-1:24 pm

1 stop6h 04m

$339

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Tue 4/21

7:30 am-1:36 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Sat 4/25

11:05 am-5:18 pm

1 stop7h 13m

$354

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 4/18

2:00 pm-10:15 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Tue 4/21

2:33 pm-9:33 pm

1 stop8h 00m

$369

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 4/18

11:30 am-9:35 pm

2 stops9h 05m

Washington, D.C. Reagan-National

Tue 4/21

3:46 pm-10:41 pm

1 stop7h 55m

$374

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Thu 4/16

6:00 am-12:34 pm

1 stop5h 34m

Washington, D.C. Reagan-National

Mon 4/20

3:46 pm-10:41 pm

1 stop7h 55m

$394

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 7/25

10:18 am-6:59 pm

1 stop7h 41m

Washington, D.C. Reagan-National

Wed 7/29

5:00 am-9:48 am

1 stop5h 48m

$397
Quickest round-trip

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Wed 7/1

6:13 pm-11:59 pm

1 stop4h 46m

Washington, D.C. Reagan-National

Wed 7/8

4:59 pm-9:34 pm

1 stop5h 35m

$410

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 7/25

10:18 am-6:59 pm

1 stop7h 41m

Washington, D.C. Reagan-National

Wed 7/29

5:00 am-9:48 am

1 stop5h 48m

$414

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Fri 5/1

11:30 am-5:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-11:00 am

1 stop6h 00m

$421

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Fri 5/1

11:30 am-5:59 pm

1 stop5h 29m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-11:00 am

1 stop6h 00m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Lake Charles to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Lake Charles to Washington, D.C. Reagan-National?

United Airlines is the most popular carrier operating from Lake Charles to Washington, D.C. Reagan-National

What airlines fly to Washington, D.C. Reagan-National Airport?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Washington, D.C. Reagan-National Airport from Lake Charles according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Washington, D.C. Reagan-National Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Reagan-National Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Lake Charles to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Lake Charles to Washington, D.C. Reagan-National 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. Reagan-National Airport (LCH to DCA) flight deals and tips

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

Fastest flight time

4h 53m

Direct flights

None
The fastest flight from Lake Charles to Washington, D.C. Reagan-National Airport takes 4h 53m
There are no direct flights from Lake Charles to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Lake Charles to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Lake Charles to Washington, D.C. Reagan-National Airport

  • How far is Lake Charles to Washington, D.C. Reagan-National by plane?

    The distance between Lake Charles and Washington, D.C. Reagan-National is about 1093.5 mi. In terms of flight time, this usually takes a little over 4h 53m.

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

    Prices for flights from Lake Charles Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lake Charles Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Lake Charles Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Lake Charles to Washington, D.C. Reagan-National Airport?

Best airlines flying from Lake Charles to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Lake Charles to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $358Free CancellationRating
7.4
9,545 reviews
Search United Airlines flights

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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

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

Finding the right flight to Washington, D.C. from Lake Charles is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Lake Charles to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Lake Charles to Washington, D.C..

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Lake Charles and alert you when they change.

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