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$100+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$172
(CheapOair)

One-way from

$100
(American Airlines)

Popular in

February

Cheapest in

August

Average price

$397

Good round-trip deal

$315 or less

Good one-way deal

$233 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 ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/65:54 pmIAD - MSY
1 stop21h 20mFrontier
Tue 4/81:32 pmMSY - IAD
1 stop26h 30mFrontier
Deal found 2/19$161
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 4/184:00 pmIAD - SHV
1 stop6h 47mUnited Airlines
Sat 4/265:15 amSHV - IAD
1 stop5h 15mUnited Airlines
Deal found 2/18$233
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/66:18 amIAD - SHV
1 stop6h 29mAmerican Airlines
Wed 3/126:01 pmSHV - IAD
1 stop4h 57mAmerican Airlines
Deal found 2/19$239
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Sat 3/155:50 pmIAD - MSY
Nonstop2h 55mUnited Airlines
Thu 3/208:00 amMSY - IAD
Nonstop2h 25mUnited Airlines
Deal found 2/19$249
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/46:00 amIAD - SHV
1 stop5h 04mDelta
Mon 4/76:11 amSHV - IAD
1 stop5h 40mDelta
Deal found 2/20$254
This Delta deal was found by Cheapflights users on 2/19. 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.
Mon 10/66:10 amIAD - MSY
1 stop5h 10mDelta
Tue 10/75:05 pmMSY - IAD
1 stop4h 54mDelta
Deal found 2/19$269
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/261:52 pmIAD - MSY
2 stops10h 37mAmerican Airlines
Fri 3/285:23 amMSY - IAD
1 stop6h 59mAmerican Airlines
Deal found 2/19$274
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/239:45 pmIAD - MSY
2 stops24h 51mMultiple Airlines
Thu 2/2711:42 amMSY - IAD
1 stop8h 23mMultiple Airlines
Deal found 2/20$278
This Delta deal was found by Cheapflights users on 2/20. 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 4/196:00 amIAD - LFT
1 stop6h 16mDelta
Fri 4/251:43 pmLFT - IAD
1 stop6h 40mDelta
Deal found 2/20$298
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 5/1511:47 amIAD - LFT
1 stop7h 04mAmerican Airlines
Sat 5/171:23 pmLFT - IAD
2 stops9h 40mAmerican Airlines
Deal found 2/20$304
This Delta deal was found by Cheapflights users on 2/19. 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.
Wed 3/261:48 pmIAD - BTR
1 stop4h 12mDelta
Mon 3/315:45 pmBTR - IAD
1 stop5h 43mDelta
Deal found 2/19$320
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/2611:46 amIAD - BTR
1 stop8h 19mAmerican Airlines
Sat 3/294:45 pmBTR - IAD
1 stop6h 13mAmerican Airlines
Deal found 2/19$341

Find flights from Dulles Intl to Louisiana within your budget

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 20, 2025.

Fly from

Dulles Intl

Fly to

Louisiana

Route

Depart

Return

Price

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 4/6

5:54 pm-2:14 pm

1 stop21h 20m

New Orleans Louis Armstrong

Tue 4/8

1:32 pm-5:02 pm

1 stop26h 30m

$161

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Fri 4/18

4:00 pm-9:47 pm

1 stop6h 47m

Shreveport

Sat 4/26

5:15 am-11:30 am

1 stop5h 15m

$233

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Thu 3/6

6:18 am-11:47 am

1 stop6h 29m

Shreveport

Wed 3/12

6:01 pm-11:58 pm

1 stop4h 57m

$239

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 3/15

5:50 pm-7:45 pm

Nonstop2h 55m

New Orleans Louis Armstrong

Thu 3/20

8:00 am-11:25 am

Nonstop2h 25m

$249

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Fri 4/4

6:00 am-10:04 am

1 stop5h 04m

Shreveport

Mon 4/7

6:11 am-12:51 pm

1 stop5h 40m

$254

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 3/27

6:00 am-10:06 am

1 stop5h 06m

New Orleans Louis Armstrong

Mon 3/31

7:14 pm-12:28 am

1 stop4h 14m

$269

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 3/26

1:52 pm-11:29 pm

2 stops10h 37m

New Orleans Louis Armstrong

Fri 3/28

5:23 am-1:22 pm

1 stop6h 59m

$274

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 2/23

9:45 pm-9:36 pm

2 stops24h 51m

New Orleans Louis Armstrong

Thu 2/27

11:42 am-9:05 pm

1 stop8h 23m

$278

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Sat 4/19

6:00 am-11:16 am

1 stop6h 16m

Lafayette Regional

Fri 4/25

1:43 pm-9:23 pm

1 stop6h 40m

$298

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Thu 5/15

11:47 am-5:51 pm

1 stop7h 04m

Lafayette Regional

Sat 5/17

1:23 pm-12:03 am

2 stops9h 40m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 32 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.

Travel insights for flights from Dulles Intl to Louisiana

Get recent, data-driven insights about flights from Dulles Intl to Louisiana including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $256). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in April is currently the most expensive (average of $343). 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 20, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Louisiana, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 20, 2025.

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

Rainfall in Louisiana by month

Plan your trip to Louisiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Louisiana ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit Louisiana when rainfall is around 3.3 in.

Temperature in Louisiana by month

Plan your trip to Louisiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Louisiana, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 20, 2025.
To help decide which airline to fly from Washington, D.C. to Louisiana, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Sun Country Air
7.0
Good
374 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • 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 $100 on American Airlines. Other airlines that offer cheap prices include United Airlines from $125 and Frontier from $132 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: United Airlines (84%), Air Canada (83%), Copa Airlines (83%).

  • 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 $124. On average you can expect to pay $539. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $185.

  • 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $256). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in April is currently the most expensive (average of $343). 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.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$197FlexibilityNo cancel feeOn-time65%
DeltaCheapest$134Average$412FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$213Average$381FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$372FlexibilityNo cancel feeOn-time71%
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