What is the cheapest airline to fly from Lake Charles to Washington, D.C. Reagan-National Airport round-trip?

Currently priced at $338, United Airlines will fly you from Lake Charles to Washington, D.C. Reagan-National Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest time of day to fly from LCH to DCA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lake Charles to Washington, D.C. Reagan-National Airport as you normally would.

Most accurate provider : When it comes to deals on Lake Charles-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lake Charles-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lake Charles-Washington, D.C. Reagan-National 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. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Lake Charles to Washington, D.C. Reagan-National?

Located just 6.1 mi from the city center, Lake Charles is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Lake Charles. Booking flights from Lake Charles (LCH) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 1 airline.

Can I find deals for flights from Lake Charles to Reagan-National that include hotel bookings?

Yes. In addition to deals on Lake Charles to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Lake Charles to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lake Charles to Reagan-National.

Can I find deals for business class flights from Lake Charles to Reagan-National?

Yes. Cheapflights offers flight deals from Lake Charles to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$259+ Flights from Lake Charles to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Lake Charles to Reagan-National

Cheapest flights from Lake Charles to Reagan-National
Explore the most affordable flight options available from Lake Charles to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Fri 12/265:48 amLCH - DCA

1 stop5h 24mAmerican Airlines

Tue 12/306:30 amDCA - LCH

1 stop6h 11mAmerican Airlines

Deal found 12/11

$454

Thu 12/257:30 amLCH - DCA

1 stop7h 26mUnited Airlines

Mon 12/294:28 pmDCA - LCH

1 stop5h 56mUnited Airlines

Deal found 12/10

$620

Best flights from Lake Charles to Reagan-National
Discover carefully curated flight deals from Lake Charles to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 2/74:12 pmLCH - DCA

1 stop4h 54mUnited Airlines

Wed 2/1111:00 amDCA - LCH

1 stop5h 25mUnited Airlines

Deal found 12/9

$339

Fri 12/265:48 amLCH - DCA

1 stop5h 24mAmerican Airlines

Tue 12/306:30 amDCA - LCH

1 stop6h 11mAmerican Airlines

Deal found 12/11

$454

Sat 1/244:12 pmLCH - DCA

1 stop6h 47mUnited Airlines

Thu 1/294:28 pmDCA - LCH

1 stop6h 07mUnited Airlines

Deal found 12/10

$339

Tue 2/34:12 pmLCH - DCA

1 stop6h 47mUnited Airlines

Sat 2/148:10 amDCA - LCH

1 stop8h 27mUnited Airlines

Deal found 12/11

$359

Thu 1/112:11 pmLCH - DCA

1 stop5h 33mAmerican Airlines

Thu 1/88:40 amDCA - LCH

1 stop6h 40mAmerican Airlines

Deal found 12/11

$474

Mon 1/54:15 pmLCH - DCA

1 stop6h 34mUnited Airlines

Wed 1/74:28 pmDCA - LCH

1 stop6h 07mUnited Airlines

Deal found 12/11

$557

Last-minute flights from Lake Charles to Reagan-National
Discover last-minute flight deals from Lake Charles to Reagan-National. Data last updated December 12, 2025 and is based on user searches.

Thu 12/257:30 amLCH - DCA

1 stop7h 26mUnited Airlines

Mon 12/294:28 pmDCA - LCH

1 stop5h 56mUnited Airlines

Deal found 12/10

$620

Fri 12/265:48 amLCH - DCA

1 stop5h 24mAmerican Airlines

Tue 12/306:30 amDCA - LCH

1 stop6h 11mAmerican Airlines

Deal found 12/11

$454

Thu 1/112:11 pmLCH - DCA

1 stop5h 33mAmerican Airlines

Thu 1/88:40 amDCA - LCH

1 stop6h 40mAmerican Airlines

Deal found 12/11

$474

Mon 1/54:15 pmLCH - DCA

1 stop6h 34mUnited Airlines

Wed 1/74:28 pmDCA - LCH

1 stop6h 07mUnited Airlines

Deal found 12/11

$557

Mon 1/512:11 pmLCH - DCA

1 stop7h 59mAmerican Airlines

Wed 1/76:00 amDCA - LCH

2 stops9h 20mAmerican Airlines

Deal found 12/11

$593

Sat 1/244:12 pmLCH - DCA

1 stop6h 47mUnited Airlines

Thu 1/294:28 pmDCA - LCH

1 stop6h 07mUnited Airlines

Deal found 12/10

$339

One-way flights from Lake Charles to Reagan-National
Search for one-way flight options from Lake Charles to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Wed 4/16:00 amLCH - DCA

2 stops14h 26mAmerican Airlines

Deal found 12/11

$259

Wed 4/14:15 pmLCH - DCA

1 stop6h 44mUnited Airlines

Deal found 12/11

$319

Tue 3/316:00 amLCH - DCA

2 stops14h 26mAmerican Airlines

Deal found 12/11

$329

Sat 4/44:15 pmLCH - DCA

1 stop4h 59mUnited Airlines

Deal found 12/11

$348

Thu 4/212:09 pmLCH - DCA

1 stop6h 37mAmerican Airlines

Deal found 12/11

$350

Fri 4/312:09 pmLCH - DCA

1 stop6h 37mAmerican Airlines

Deal found 12/11

$358

Sat 4/46:00 amLCH - DCA

2 stops12h 13mAmerican Airlines

Deal found 12/11

$397

Mon 4/66:42 pmLCH - DCA

2 stops11h 58mAmerican Airlines

Deal found 12/11

$431

Sun 4/56:00 amLCH - DCA

2 stops9h 13mAmerican Airlines

Deal found 12/11

$451

Find flight deals from Lake Charles to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$339 (United Airlines)
One-way from	$259 (American Airlines)

Provider with most accurate pricing for Lake Charles-Washington, D.C. Reagan-National flight deals.

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Provider most trusted by Cheapflights users for Lake Charles-Washington, D.C. Reagan-National flights.

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From Lake Charles to Washington, D.C. Reagan-National

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One-way flight from Lake Charles to Washington, D.C. Reagan-National

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Cheapflights Fare Finder

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

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 2/7

4:12 pm-10:06 pm

1 stop4h 54m

Washington, D.C. Reagan-National

Wed 2/11

11:00 am-3:25 pm

1 stop5h 25m

$339

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Sat 1/24

4:12 pm-11:59 pm

1 stop6h 47m

Washington, D.C. Reagan-National

Thu 1/29

4:28 pm-9:35 pm

1 stop6h 07m

$339

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Tue 2/3

4:12 pm-11:59 pm

1 stop6h 47m

Washington, D.C. Reagan-National

Sat 2/14

8:10 am-3:37 pm

1 stop8h 27m

$359

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Fri 12/26

5:48 am-12:12 pm

1 stop5h 24m

Washington, D.C. Reagan-National

Tue 12/30

6:30 am-11:41 am

1 stop6h 11m

$454

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Thu 1/1

12:11 pm-6:44 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Thu 1/8

8:40 am-2:20 pm

1 stop6h 40m

$474

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Mon 1/5

4:15 pm-11:49 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Wed 1/7

4:28 pm-9:35 pm

1 stop6h 07m

$557

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Wed 4/1

6:00 am-9:26 pm

2 stops14h 26m

$259

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Tue 3/31

4:15 pm-10:14 pm

1 stop4h 59m

$319

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Wed 4/1

4:15 pm-11:59 pm

1 stop6h 44m

$319

Lake CharlesWashington, D.C.

LCH - DCA

LCHDCA

Lake Charles

Tue 3/31

6:00 am-9:26 pm

2 stops14h 26m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 results

Compare providers for flights from Lake Charles to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lake Charles to Reagan-National in December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Lake Charles-Washington, D.C. Reagan-National Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lake Charles-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lake Charles-Washington, D.C. Reagan-National 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. Reagan-National Airport flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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.

Cheapflights Insights

Everything you need to know about your flight from Lake Charles to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Lake Charles to Washington, D.C. Reagan-National Airport?

Currently, June is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. Reagan-National Airport (average of $224). Flying from Lake Charles to Washington, D.C. Reagan-National Airport in September is currently the most expensive (average of $435). 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.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with United Airlines from Lake Charles to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

What airport do you fly from for flights from Lake Charles to Washington, D.C. Reagan-National?
Located just 6.1 mi from the city center, Lake Charles is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Lake Charles. Booking flights from Lake Charles (LCH) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 1 airline.
How long is the flight from Lake Charles to Washington, D.C. Reagan-National Airport?
Departing from Lake Charles to Washington, D.C. Reagan-National Airport will take you 4h 54m. The distance between Lake Charles and Washington, D.C. Reagan-National Airport is about 1098 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What is the cheapest airline to fly from Lake Charles to Washington, D.C. Reagan-National Airport round-trip?
Currently priced at $338, United Airlines will fly you from Lake Charles to Washington, D.C. Reagan-National Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip.
Can I find deals for flights from Lake Charles to Reagan-National that include hotel bookings?
Yes. In addition to deals on Lake Charles to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lake Charles to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lake Charles to Reagan-National.
Can I find deals for business class flights from Lake Charles to Reagan-National?
Yes. Cheapflights offers flight deals from Lake Charles to Reagan-National 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. Reagan-National Airport?
Currently, June is the cheapest month in which you can book a flight from Lake Charles to Washington, D.C. Reagan-National Airport (average of $224). Flying from Lake Charles to Washington, D.C. Reagan-National Airport in September is currently the most expensive (average of $435). 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

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Top airline flying from Lake Charles to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$338	Average$437	FlexibilityNo cancel fee	On-time69%

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$259+ Cheap flights from Lake Charles (LCH) to Reagan-National (DCA)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lake Charles to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Lake Charles to Reagan-National

Cheapest flights from Lake Charles to Reagan-NationalExplore the most affordable flight options available from Lake Charles to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Lake Charles to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Lake Charles to Reagan-National

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Lake Charles to Washington, D.C. Reagan-National Airport that are best for you.

Compare providers for flights from Lake Charles to Reagan-National

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lake Charles to Reagan-National in December.

Best time to book a flight from Lake Charles to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Lake Charles with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Lake Charles to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Lake Charles to Washington, D.C. Reagan-National Airport?

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with United Airlines from Lake Charles to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lake Charles to Reagan-National. 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. Reagan-National?

How long is the flight from Lake Charles to Washington, D.C. Reagan-National Airport?

What is the cheapest airline to fly from Lake Charles to Washington, D.C. Reagan-National Airport round-trip?

Can I find deals for flights from Lake Charles to Reagan-National that include hotel bookings?

How can I find direct flights from Lake Charles to Reagan-National?

Can I find deals for business class flights from Lake Charles to Reagan-National?

What is the cheapest month to book a flight from Lake Charles to Washington, D.C. Reagan-National Airport?

Traveling to a place near Washington, D.C. Reagan-National Airport?

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.

Alternative routes for Lake Charles to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Lake Charles to Reagan-National

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Cheapest flights from Lake Charles to Reagan-National
Explore the most affordable flight options available from Lake Charles to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.