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Washington, D.C.

$119+ Cheap flights from Louisiana to Washington, D.C. (WAS)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — WAS
Apr 28 — May 51
Tue 4/28
Tue 5/5
1 adult, Economy
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Cheap flight deals from Louisiana to Washington, D.C.

Cheapest flights from Louisiana to Washington, D.C.
Explore the most affordable flight options available from Louisiana to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:21 pm
MSY
-
BWI
1 stop13h 22m
Frontier
Mon 5/119:25 pm
BWI
-
MSY
1 stop19h 56m
Frontier
Deal found 3/25$123
This Kiwi.com deal was found by Cheapflights users on 3/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:32 pm
MSY
-
BWI
1 stop21h 26m
Frontier
Mon 5/46:04 am
BWI
-
MSY
1 stop12h 38m
Frontier
Deal found 3/24$126
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:21 pm
MSY
-
BWI
1 stop13h 22m
Frontier
Sun 5/319:43 pm
BWI
-
MSY
1 stop19h 38m
Frontier
Deal found 3/26$129
This Kiwi.com deal was found by Cheapflights users on 3/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:32 pm
MSY
-
BWI
1 stop12h 30m
Frontier
Sun 4/1910:20 am
BWI
-
MSY
1 stop6h 22m
Frontier
Deal found 3/26$137
This Kiwi.com deal was found by Cheapflights users on 3/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:32 pm
MSY
-
BWI
1 stop5h 12m
Frontier
Sun 4/2610:20 am
BWI
-
MSY
1 stop6h 22m
Frontier
Deal found 3/25$139
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:32 pm
MSY
-
BWI
1 stop5h 12m
Frontier
Wed 5/68:52 am
BWI
-
MSY
1 stop8h 29m
Frontier
Deal found 3/25$140
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:21 pm
MSY
-
BWI
1 stop13h 22m
Frontier
Tue 5/198:52 am
BWI
-
MSY
1 stop8h 29m
Frontier
Deal found 3/27$142
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:27 pm
MSY
-
BWI
Nonstop2h 38m
Frontier
Mon 4/2012:27 pm
BWI
-
MSY
1 stop6h 05m
Frontier
Deal found 3/27$143
This Booking.com deal was found by Cheapflights users on 3/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/111:47 am
MSY
-
BWI
1 stop7h 22m
Frontier
Sat 5/25:45 pm
BWI
-
MSY
1 stop22h 57m
Frontier
Deal found 3/24$147
This Frontier deal was found by Cheapflights users on 3/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:21 pm
MSY
-
IAD
1 stop4h 48m
Frontier
Mon 6/17:45 am
IAD
-
MSY
1 stop9h 36m
Frontier
Deal found 3/28$205
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/75:49 pm
MSY
-
IAD
1 stop23h 53m
Frontier
Wed 6/101:38 pm
IAD
-
MSY
1 stop26h 11m
Frontier
Deal found 3/25$206
This Expedia deal was found by Cheapflights users on 3/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/224:25 pm
MSY
-
IAD
1 stop25h 07m
Frontier
Mon 5/2511:07 am
IAD
-
MSY
1 stop6h 14m
Frontier
Deal found 3/26$210

Find flight deals from Louisiana to Washington, D.C.

Keep the following information in mind while searching for Louisiana to Washington, D.C. flight deals. Data was last updated March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$123
(Kiwi.com)

One-way from

$119
(CheapOair)

Popular in

February

Cheapest in

August

Average price

$368

Good round-trip deal

$296 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Washington, D.C. (WAS) flights.
Search Deals
From Louisiana to Washington, D.C. (WAS)
Search Deals
One-way flight from Louisiana to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Louisiana to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Louisiana to Washington, D.C. (WAS).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to Washington, D.C. 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 March 29, 2026.
Use the filters below to find and compare flights from Louisiana to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansBaltimore

MSY - BWI

MSYBWI

New Orleans Louis Armstrong

Sat 4/25

6:05 am-9:35 am

Nonstop2h 30m

Baltimore/Washington

Sat 5/2

3:05 pm-6:55 pm

1 stop4h 50m

$266

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Wed 9/16

3:35 pm-10:36 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Sat 9/19

3:02 pm-7:25 pm

1 stop5h 23m

$277

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 4/25

12:41 pm-5:35 pm

1 stop3h 54m

Washington, D.C. Dulles Intl

Sat 5/2

10:40 am-2:24 pm

1 stop4h 44m

$277

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 4/23

12:44 pm-4:16 pm

Nonstop2h 32m

Washington, D.C. Dulles Intl

Mon 4/27

9:00 am-10:51 am

Nonstop2h 51m

$277

New OrleansBaltimore

MSY - BWI

MSYBWI

New Orleans Louis Armstrong

Fri 5/8

6:00 am-9:35 am

Nonstop2h 35m

Baltimore/Washington

Tue 5/12

6:05 am-10:45 am

1 stop5h 40m

$284

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 5/7

8:00 am-11:32 am

Nonstop2h 32m

Washington, D.C. Dulles Intl

Mon 5/11

3:15 pm-10:47 pm

1 stop8h 32m

$287

Baton RougeBaltimore

BTR - BWI

BTRBWI

Baton Rouge Ryan

Sat 4/25

10:27 am-6:14 pm

1 stop6h 47m

Baltimore/Washington

Sat 5/2

9:00 am-3:16 pm

1 stop7h 16m

$294

Baton RougeBaltimore

BTR - BWI

BTRBWI

Baton Rouge Ryan

Tue 4/28

4:00 pm-10:30 pm

1 stop5h 30m

Baltimore/Washington

Sun 5/3

6:00 am-9:46 am

1 stop4h 46m

$294

Baton RougeBaltimore

BTR - BWI

BTRBWI

Baton Rouge Ryan

Sat 4/25

5:00 am-5:33 pm

2 stops11h 33m

Baltimore/Washington

Sat 5/2

6:00 am-1:23 pm

1 stop8h 23m

$299

New OrleansBaltimore

MSY - BWI

MSYBWI

New Orleans Louis Armstrong

Fri 5/1

6:00 am-9:35 am

Nonstop2h 35m

Baltimore/Washington

Mon 5/4

10:00 am-11:45 am

Nonstop2h 45m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Louisiana to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Louisiana 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 Louisiana to Washington, D.C.

What is the cheapest month to book a flight from Louisiana to Washington, D.C.?

Currently, February is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. (average of $68). Flying from Louisiana to Washington, D.C. in January is currently the most expensive (average of $181). 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.

What is the cheapest time of day to fly from LA to WAS?

Find hourly flight availability from Louisiana to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 29, 2026.

When flying from Louisiana to Washington, D.C., the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight in the afternoon.

What is the cheapest day to fly from Louisiana to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Louisiana to Washington, D.C.. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their Louisiana to Washington, D.C. flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Louisiana to Washington, D.C.?

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisiana to Washington, D.C.?

    For as low as $266, Southwest can have you in Washington, D.C. from Louisiana in 2h 30m. The distance from Louisiana to Washington, D.C. is about 998 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Louisiana to Washington, D.C. one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $69. American Airlines flights start at $108 while deals on United Airlines start at $112 one-way.

  • What are the most popular routes from Louisiana to Washington, D.C.?

    The most popular flight routes from Louisiana to Washington, D.C. are New Orleans Louis Armstrong - Washington, D.C. Dulles Intl, New Orleans Louis Armstrong - Washington, D.C. Reagan-National and New Orleans Louis Armstrong - Baltimore/Washington.

  • What are the most reliable airlines from Louisiana to Washington, D.C.?

    Before booking your flight to Washington, D.C. from Louisiana, check out the most reliable airlines to get you to your destination on time: Frontier (100%), Air Canada (89%), Copa Airlines( 89%).

  • What are the cheapest flights from Louisiana to Washington, D.C.?

    Looking for the cheapest flight from Louisiana to Washington, D.C.? While on average our users pay $643, our data indicates the cheapest price to be $168. The most popular route (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl), is priced around $144.

  • Can I find deals for flights from Louisiana to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Louisiana to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to Washington, D.C.?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Washington, D.C..

  • Can I find deals for business class flights from Louisiana to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Louisiana to Washington, D.C. 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 Louisiana to Washington, D.C.?

    Currently, February is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. (average of $68). Flying from Louisiana to Washington, D.C. in January is currently the most expensive (average of $181). 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

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisiana to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Atlanta to Dulles Intl flights
San Francisco to Dulles Intl flights
Boston to Reagan-National flights
San Francisco to Reagan-National flights
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Seattle to Reagan-National flights
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O'Hare Intl to Dulles Intl flights
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Detroit to Reagan-National flights
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Miami to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
LaGuardia to Reagan-National flights
George Bush Intcntl to Reagan-National flights
Detroit to Dulles Intl flights
Austin to Reagan-National flights
Sky Harbor Intl to Dulles Intl flights
Denver to Reagan-National flights
Minneapolis to Dulles Intl flights
Ontario to Reagan-National flights
Tampa to Reagan-National flights
Charlotte to Dulles Intl flights
San Diego to Dulles Intl flights
Ontario to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Portland to Dulles Intl flights
Newark to Dulles Intl flights
San Diego to Reagan-National flights
Fort Lauderdale to Reagan-National flights
Salt Lake City to Dulles Intl flights
Sky Harbor Intl to Reagan-National flights
Midway to Dulles Intl flights
Hartford to Dulles Intl flights
New Orleans to Dulles Intl flights

Top 6 airlines flying from Louisiana to Washington, D.C.

Discover the top 6 airlines that operate flights from Louisiana to Washington, D.C.. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$84Average$155FlexibilityNo cancel feeOn-time65%
DeltaCheapest$108Average$390FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$143Average$390FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$184Average$429FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$189Average$356FlexibilityNo cancel feeOn-time63%

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