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$116+ Cheap flights from Dulles Intl (IAD) to Louisiana

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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap flight deals from Dulles Intl to Louisiana

Cheapest flights from Dulles Intl to Louisiana
Explore the most affordable flight options available from Dulles Intl to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Tue 5/196:20 am
IAD
-
MSY
2 stops13h 38m
Multiple Airlines
Sat 5/238:01 pm
MSY
-
IAD
1 stop19h 32m
Multiple Airlines
Deal found 2/23$250
This Delta deal was found by Cheapflights users on 2/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:30 pm
IAD
-
MSY
1 stop4h 36m
Delta
Sat 5/26:48 am
MSY
-
IAD
1 stop6h 17m
Delta
Deal found 2/23$251
This Frontier deal was found by Cheapflights users on 2/23. 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.
Mon 3/211:41 am
IAD
-
MSY
1 stop7h 23m
Frontier
Fri 3/69:52 pm
MSY
-
IAD
1 stop8h 32m
Frontier
Deal found 2/23$252
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/136:00 am
IAD
-
MSY
1 stop6h 04m
United Airlines
Thu 4/168:00 am
MSY
-
IAD
Nonstop2h 32m
United Airlines
Deal found 2/24$253
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:50 pm
IAD
-
MSY
Nonstop2h 54m
United Airlines
Sat 4/1812:44 pm
MSY
-
IAD
Nonstop2h 32m
United Airlines
Deal found 2/23$254
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/236:10 am
IAD
-
MSY
2 stops13h 48m
Multiple Airlines
Sun 4/268:13 pm
MSY
-
IAD
1 stop10h 19m
Multiple Airlines
Deal found 2/25$255
This United Airlines deal was found by Cheapflights users on 2/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
IAD
-
MSY
1 stop6h 04m
United Airlines
Thu 4/163:48 pm
MSY
-
IAD
1 stop5h 56m
United Airlines
Deal found 2/23$256
This Kiwi.com deal was found by Cheapflights users on 2/25. 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 4/166:10 am
IAD
-
MSY
2 stops13h 48m
Multiple Airlines
Mon 4/206:32 pm
MSY
-
IAD
1 stop5h 04m
Multiple Airlines
Deal found 2/25$257
This Kiwi.com deal was found by Cheapflights users on 2/26. 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 4/26:00 am
IAD
-
MSY
1 stop5h 40m
Multiple Airlines
Mon 4/611:34 am
MSY
-
IAD
1 stop21h 29m
Multiple Airlines
Deal found 2/26$258
This United Airlines deal was found by Cheapflights users on 2/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:50 pm
IAD
-
MSY
Nonstop2h 58m
United Airlines
Tue 3/312:14 pm
MSY
-
IAD
1 stop7h 30m
United Airlines
Deal found 2/24$259
This Priceline deal was found by Cheapflights users on 2/24. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/156:20 am
IAD
-
MSY
1 stop5h 33m
Frontier
Sun 3/229:12 pm
MSY
-
IAD
1 stop9h 12m
Frontier
Deal found 2/24$260
This CheapOair deal was found by Cheapflights users on 2/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:28 pm
IAD
-
MSY
1 stop16h 27m
Frontier
Mon 6/158:48 pm
MSY
-
IAD
1 stop19h 25m
Frontier
Deal found 2/27$261

Find flight deals from Dulles Intl to Louisiana

Keep the following information in mind while searching for Dulles Intl to Louisiana flight deals. Data was last updated February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Kiwi.com)

One-way from

$116
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$394

Good round-trip deal

$311 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-New Orleans Louis Armstrong flights.
Search Deals
From Washington, D.C. Dulles Intl to Louisiana
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Louisiana
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Louisiana.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Louisiana.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Louisiana 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 February 27, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Alexandria

IAD - AEX

IADAEX

Washington, D.C. Dulles Intl

Wed 3/18

6:01 am-11:03 am

1 stop6h 02m

Alexandria

Wed 3/25

5:00 pm-12:27 am

1 stop6h 27m

$284

Washington, D.C.Alexandria

IAD - AEX

IADAEX

Washington, D.C. Dulles Intl

Wed 3/18

7:18 am-11:03 am

1 stop4h 45m

Alexandria

Sat 3/21

6:00 am-11:55 am

1 stop4h 55m

$284

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Sat 3/14

6:01 am-10:46 am

1 stop5h 45m

Lafayette Regional

Wed 3/18

5:12 pm-12:27 am

1 stop6h 15m

$309

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 4/22

6:00 am-10:34 am

1 stop5h 34m

New Orleans Louis Armstrong

Wed 4/29

11:42 am-4:31 pm

1 stop3h 49m

$313

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 5/20

5:33 pm-10:00 pm

1 stop5h 27m

Baton Rouge Ryan

Tue 5/26

7:04 pm-12:51 am

1 stop4h 47m

$314

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Fri 4/24

6:00 am-10:00 am

1 stop5h 00m

Shreveport

Mon 4/27

5:30 pm-12:42 am

1 stop6h 12m

$319

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Thu 5/21

6:08 am-9:45 am

1 stop4h 37m

Baton Rouge Ryan

Tue 5/26

7:04 pm-12:23 pm

2 stops16h 19m

$324

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 3/22

6:01 am-10:33 am

1 stop5h 32m

New Orleans Louis Armstrong

Tue 3/24

4:45 pm-10:59 pm

1 stop5h 14m

$330

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 6/10

8:02 pm-9:49 pm

Nonstop2h 47m

New Orleans Louis Armstrong

Sun 6/14

5:15 am-11:28 am

1 stop5h 13m

$337

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 4/4

5:10 pm-11:54 pm

1 stop7h 44m

New Orleans Louis Armstrong

Sat 4/11

8:00 am-11:32 am

Nonstop2h 32m

$337

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Louisiana

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $180). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in August is currently the most expensive (average of $261). 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 IAD to LA?

Find hourly flight availability from Dulles Intl to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 27, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Louisiana in the morning. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight at noon.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Louisiana

Explore weekly flight availability from Dulles Intl to Louisiana. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 27, 2026.

The most flights from IAD to USLA are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Louisiana

Get insights into the airlines that provide service to Louisiana. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Louisiana. Reviews last updated February 27, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,243 reviews
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,350 reviews
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,355 reviews
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,494 reviews
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
3,041 reviews
Delta
7.9
Good
8,243 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Louisiana. 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 Washington, D.C. Dulles Intl Airport to Louisiana?

    Airlines like Delta, United Airlines, and American Airlines fly from Washington, D.C. Dulles Intl Airport to Louisiana in about 2h 47m. The time it takes to get you to your destination can typically vary by up to 6h 52m. Airlines will cover a distance of 954 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $80 on Frontier. Other airlines that offer cheap prices include United Airlines from $108 and American Airlines from $125 one-way.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Louisiana is Washington, D.C. Dulles Intl - New Orleans Louis Armstrong. You may also consider Washington, D.C. Dulles Intl - Baton Rouge Ryan or Washington, D.C. Dulles Intl - Shreveport.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Louisiana on time: Frontier (100%), Republic Airways (100%), United Airlines (93%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Louisiana is $111. On average you can expect to pay $684. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $160.

  • Can I find deals for flights from Dulles Intl to Louisiana that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Louisiana flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Louisiana?

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

  • Can I find deals for business class flights from Dulles Intl to Louisiana?

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

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $180). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in August is currently the most expensive (average of $261). 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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Alternative routes for Dulles Intl to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Fort Lauderdale flights
Dulles Intl to Miami flights
Dulles Intl to Orlando flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Miami flights
Dulles Intl to Las Vegas flights
Baltimore to Miami flights
Dulles Intl to Fort Lauderdale flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Los Angeles flights
Dulles Intl to Hobby flights
Baltimore to Los Angeles flights
Reagan-National to Los Angeles flights
Reagan-National to Fort Lauderdale flights
Dulles Intl to Tampa flights
Reagan-National to Orlando flights
Dulles Intl to Seattle flights
Baltimore to Hobby flights
Baltimore to Orlando flights
Baltimore to Las Vegas flights
Reagan-National to Hobby flights
Baltimore to O'Hare Intl flights
Baltimore to Atlanta flights
Dulles Intl to Atlanta flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to San Francisco flights
Reagan-National to Las Vegas flights
Reagan-National to Tampa flights
Reagan-National to Seattle flights
Baltimore to Tampa flights
Reagan-National to Atlanta flights
Baltimore to Denver flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Denver flights
Dulles Intl to New Orleans flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to San Francisco flights
Baltimore to San Francisco flights
Baltimore to Boston flights
Reagan-National to O'Hare Intl flights
Baltimore to West Palm Beach flights
Baltimore to Seattle flights
Reagan-National to Boston flights
Baltimore to New Orleans flights
Reagan-National to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights
Dulles Intl to Boston flights
Reagan-National to Denver flights
Reagan-National to New Orleans flights

Top 5 airlines flying from Dulles Intl to Louisiana

Discover the top 5 airlines that operate flights from Dulles Intl to Louisiana. 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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$204FlexibilityNo cancel feeOn-time65%
DeltaCheapest$125Average$508FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$130Average$281FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$454FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$410FlexibilityNo cancel feeOn-time71%

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