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$86+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
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 noviembre 26, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$186
(Kiwi.com)

One-way from

$86
(Super.com)

Popular in

February

Cheapest in

September

Average price

$371

Good round-trip deal

$319 or less

Good one-way deal

$208 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. 3% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 noviembre 26, 2025.

This Frontier deal was found by Cheapflights users on 11/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/125:45 amIAD - MSY
1 stop11h 42mFrontier
lun. 12/155:22 pmMSY - IAD
1 stop4h 43mFrontier
Deal found 11/26$187
This Flightnetwork deal was found by Cheapflights users on 11/25. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/149:20 pmIAD - MSY
1 stop16h 37mFrontier
lun. 12/155:22 pmMSY - IAD
1 stop4h 43mFrontier
Deal found 11/25$188
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
mié. 12/109:00 amIAD - MSY
2 stops13h 42mMultiple Airlines
sáb. 12/134:58 pmMSY - IAD
1 stop5h 07mMultiple Airlines
Deal found 11/26$190
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
sáb. 12/135:45 amIAD - MSY
1 stop16h 12mMultiple Airlines
vie. 12/195:00 pmMSY - IAD
1 stop24h 16mMultiple Airlines
Deal found 11/25$192
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
mié. 12/109:00 amIAD - MSY
2 stops13h 42mMultiple Airlines
vie. 12/125:22 pmMSY - IAD
1 stop4h 43mMultiple Airlines
Deal found 11/26$196
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
mar. 12/99:00 amIAD - MSY
2 stops13h 42mMultiple Airlines
jue. 12/114:35 pmMSY - IAD
1 stop5h 35mMultiple Airlines
Deal found 11/25$198
This Kiwi.com deal was found by Cheapflights users on 11/26. 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.
lun. 12/85:45 amIAD - MSY
1 stop11h 42mMultiple Airlines
jue. 12/114:35 pmMSY - IAD
1 stop5h 35mMultiple Airlines
Deal found 11/26$199
This Delta deal was found by Cheapflights users on 11/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/910:08 amIAD - AEX
1 stop7h 06mDelta
sáb. 12/1311:47 amAEX - IAD
1 stop5h 34mDelta
Deal found 11/24$248
This Delta deal was found by Cheapflights users on 11/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/63:38 pmIAD - AEX
1 stop6h 22mDelta
mar. 12/911:47 amAEX - IAD
1 stop4h 13mDelta
Deal found 11/24$274
This Delta deal was found by Cheapflights users on 11/23. 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.
jue. 12/117:01 amIAD - SHV
1 stop5h 58mDelta
lun. 12/156:00 amSHV - IAD
1 stop4h 35mDelta
Deal found 11/23$284
This Delta deal was found by Cheapflights users on 11/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/116:00 amIAD - SHV
1 stop5h 12mDelta
dom. 12/146:00 amSHV - IAD
1 stop4h 35mDelta
Deal found 11/24$309
This American Airlines deal was found by Cheapflights users on 11/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/172:16 pmIAD - LFT
1 stop7h 48mAmerican Airlines
sáb. 12/207:00 amLFT - IAD
1 stop5h 27mAmerican Airlines
Deal found 11/26$309

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 noviembre 26, 2025.
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

mar. 1/6

5:42 pm-7:45 pm

Nonstop3h 03m

New Orleans Louis Armstrong

sáb. 1/10

12:40 pm-4:16 pm

Nonstop2h 36m

$247

Washington, D.C.Alexandria

IAD - AEX

IADAEX

Washington, D.C. Dulles Intl

mar. 12/9

10:08 am-4:14 pm

1 stop7h 06m

Alexandria

sáb. 12/13

11:47 am-6:21 pm

1 stop5h 34m

$248

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

mar. 2/24

8:36 am-3:03 pm

1 stop7h 27m

New Orleans Louis Armstrong

sáb. 2/28

2:28 pm-9:23 pm

1 stop5h 55m

$251

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

mié. 1/7

1:08 pm-7:09 pm

1 stop7h 01m

Shreveport

sáb. 1/10

7:00 am-12:36 pm

1 stop4h 36m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

jue. 2/5

6:00 am-11:50 am

1 stop6h 50m

Shreveport

lun. 2/9

4:36 pm-11:12 pm

1 stop5h 36m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

vie. 1/23

10:08 am-1:47 pm

1 stop4h 39m

Lafayette Regional

mar. 1/27

5:15 pm-12:24 am

1 stop6h 09m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

sáb. 2/14

6:00 am-10:39 am

1 stop5h 39m

Lafayette Regional

mié. 2/18

3:09 pm-8:45 pm

1 stop4h 36m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

vie. 1/23

7:01 am-6:01 pm

2 stops12h 00m

Lafayette Regional

mar. 1/27

7:00 am-12:36 pm

1 stop4h 36m

$264

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

sáb. 2/7

6:00 am-9:46 am

1 stop4h 46m

New Orleans Louis Armstrong

jue. 2/12

10:00 am-2:44 pm

1 stop3h 44m

$264

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

lun. 12/22

9:00 am-11:15 am

Nonstop3h 15m

New Orleans Louis Armstrong

mié. 12/31

8:05 am-11:31 am

Nonstop2h 26m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $140). 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 noviembre 26, 2025.

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 20% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Louisiana. Price data was last updated on December 16, 2024.

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

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 noviembre 26, 2025.

The most flights from IAD to USLA are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (7 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 noviembre 26, 2025.
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
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,999 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
9,046 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
11,038 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
8,158 reviews
Delta
7.9
Good
7,999 reviews

Overall

7.9

Boarding

8.1

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 3h 03m. The time it takes to get you to your destination can typically vary by up to 4h 03m. 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 - Shreveport or Washington, D.C. Dulles Intl - Baton Rouge Ryan.

  • 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%), ITA Airways (95%), United Airlines (94%).

  • 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 $118. On average you can expect to pay $531. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $143.

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $140). 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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Reagan-National to George Bush Intcntl flights

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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$125Average$200FlexibilityNo cancel feeOn-time65%
DeltaCheapest$187Average$410FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$241Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$273Average$398FlexibilityNo cancel feeOn-time71%

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