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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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap 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 January 14, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$218
(Kiwi.com)

One-way from

$116
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$355

Good round-trip deal

$297 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-New Orleans Louis Armstrong flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-New Orleans Louis Armstrong flights.
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From Washington, D.C. Dulles Intl to Louisiana
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One-way flight from Washington, D.C. Dulles Intl to Louisiana
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Louisiana.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Louisiana.
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Find 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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/11. 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 2/511:37 am
IAD
-
MSY
1 stop8h 10m
Multiple Airlines
Sat 2/146:30 pm
MSY
-
IAD
1 stop14h 45m
Multiple Airlines
Deal found 1/11$218
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sun 2/152:04 pm
IAD
-
MSY
1 stop5h 27m
Multiple Airlines
Sat 2/219:19 pm
MSY
-
IAD
2 stops36h 21m
Multiple Airlines
Deal found 1/12$220
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sat 2/1411:37 am
IAD
-
MSY
1 stop11h 15m
Frontier
Sun 2/2210:59 pm
MSY
-
IAD
1 stop10h 41m
Frontier
Deal found 1/12$221
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sat 2/1411:37 am
IAD
-
MSY
1 stop11h 15m
Frontier
Sat 2/215:47 pm
MSY
-
IAD
1 stop15h 28m
Frontier
Deal found 1/12$222
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 2/21:31 pm
IAD
-
MSY
1 stop10h 27m
Multiple Airlines
Sat 2/146:35 pm
MSY
-
IAD
1 stop22h 50m
Multiple Airlines
Deal found 1/12$223
This Frontier deal was found by Cheapflights users on 1/12. 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 2/1612:56 pm
IAD
-
MSY
Nonstop2h 57m
Frontier
Sun 2/2210:59 pm
MSY
-
IAD
1 stop10h 41m
Frontier
Deal found 1/12$224
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 2/21:31 pm
IAD
-
MSY
1 stop10h 27m
Multiple Airlines
Fri 2/136:10 am
MSY
-
IAD
1 stop10h 03m
Multiple Airlines
Deal found 1/12$226
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 1/261:31 pm
IAD
-
MSY
1 stop10h 27m
Multiple Airlines
Fri 1/306:55 pm
MSY
-
IAD
1 stop14h 49m
Multiple Airlines
Deal found 1/12$227
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sun 1/259:18 am
IAD
-
MSY
1 stop24h 48m
Frontier
Thu 1/296:55 pm
MSY
-
IAD
2 stops12h 45m
Frontier
Deal found 1/12$228
This Priceline deal was found by Cheapflights users on 1/13. 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.
Mon 3/211:41 am
IAD
-
MSY
1 stop7h 23m
Frontier
Fri 3/69:30 pm
MSY
-
IAD
1 stop8h 54m
Frontier
Deal found 1/13$229
This Kiwi.com deal was found by Cheapflights users on 1/12. 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 1/305:33 pm
IAD
-
MSY
2 stops17h 09m
Multiple Airlines
Sat 2/146:30 pm
MSY
-
IAD
1 stop14h 45m
Multiple Airlines
Deal found 1/12$230
This United Airlines deal was found by Cheapflights users on 1/12. 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.
Tue 2/175:50 pm
IAD
-
MSY
Nonstop2h 59m
United Airlines
Wed 2/258:00 am
MSY
-
IAD
Nonstop2h 25m
United Airlines
Deal found 1/12$231

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 January 14, 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

Dulles Intl

Fly to

Louisiana

Route

Depart

Return

Price

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Tue 2/17

5:50 pm-7:49 pm

Nonstop2h 59m

New Orleans Louis Armstrong

Sat 2/21

8:00 am-11:25 am

Nonstop2h 25m

$231

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-10:45 am

1 stop5h 45m

New Orleans Louis Armstrong

Sat 2/21

5:25 am-11:35 am

1 stop5h 10m

$251

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 2/19

5:50 pm-7:49 pm

Nonstop2h 59m

New Orleans Louis Armstrong

Sat 2/21

3:59 pm-10:16 pm

1 stop5h 17m

$266

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 3/7

7:50 pm-9:46 pm

Nonstop2h 56m

New Orleans Louis Armstrong

Tue 3/10

3:54 pm-10:36 pm

1 stop5h 42m

$269

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 2/18

5:35 pm-11:28 pm

1 stop6h 53m

New Orleans Louis Armstrong

Mon 2/23

3:59 pm-10:16 pm

1 stop5h 17m

$276

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Thu 2/5

1:08 pm-7:09 pm

1 stop7h 01m

Shreveport

Mon 2/9

4:36 pm-11:12 pm

1 stop5h 36m

$279

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Sat 3/7

10:57 am-2:34 pm

1 stop4h 37m

Lafayette Regional

Fri 3/13

3:00 pm-8:54 pm

1 stop4h 54m

$279

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Sat 2/7

6:00 am-2:20 pm

1 stop9h 20m

Lafayette Regional

Tue 2/24

7:13 am-2:39 pm

1 stop6h 26m

$279

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Thu 2/19

6:03 am-11:22 am

1 stop6h 19m

Lafayette Regional

Sun 2/22

5:15 am-11:21 am

1 stop5h 06m

$279

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 2/23

9:00 am-11:00 am

Nonstop3h 00m

New Orleans Louis Armstrong

Thu 2/26

8:00 am-11:25 am

Nonstop2h 25m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 60 results
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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 $181). 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 January 14, 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 evening. If you’re flexible enough to do this you can expect to save up to 34% 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 January 14, 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 (5 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 January 14, 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
8,040 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
8,040 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
9,156 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
11,119 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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
8,309 reviews
Delta
7.9
Good
8,040 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

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 United Airlines, Delta, and American Airlines fly from Washington, D.C. Dulles Intl Airport to Louisiana in about 2h 59m. The time it takes to get you to your destination can typically vary by up to 4h 02m. 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 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: Mesa Airlines (100%), Republic Airways (100%), United Airlines (89%).

  • 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 $115. On average you can expect to pay $432. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $169.

  • 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 $181). 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.

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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.
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Top 4 airlines flying from Dulles Intl to Louisiana

Discover the top 4 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$205FlexibilityNo cancel feeOn-time65%
DeltaCheapest$187Average$417FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$230Average$446FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$398FlexibilityNo cancel feeOn-time71%

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