HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisiana

$95+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Louisiana with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$189
(United Airlines)

One-way from

$95
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$343

Good round-trip deal

$263 or less

Good one-way deal

$159 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. 7% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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

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 March 25, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:55 pmIAD - MSY
Nonstop2h 49mUnited Airlines
Wed 5/78:00 amMSY - IAD
Nonstop2h 28mUnited Airlines
Deal found 3/24$189
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:00 amIAD - MSY
1 stop4h 09mDelta
Wed 4/306:30 amMSY - IAD
1 stop3h 53mDelta
Deal found 3/24$217
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/75:54 pmIAD - MSY
1 stop19h 48mFrontier
Thu 4/104:58 pmMSY - IAD
1 stop23h 07mFrontier
Deal found 3/24$240
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/305:00 amIAD - MSY
1 stop5h 50mAmerican Airlines
Wed 5/77:00 amMSY - IAD
2 stops8h 56mAmerican Airlines
Deal found 3/24$274
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1312:55 pmIAD - MSY
3 stops22h 12mMultiple Airlines
Thu 4/177:30 pmMSY - IAD
1 stop14h 53mMultiple Airlines
Deal found 3/24$292
This American Airlines deal was found by Cheapflights users on 3/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/268:14 pmIAD - BTR
1 stop4h 48mAmerican Airlines
Sat 5/104:32 pmBTR - IAD
1 stop6h 30mAmerican Airlines
Deal found 3/23$305
This Delta deal was found by Cheapflights users on 3/23. 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.
Mon 5/195:50 pmIAD - BTR
1 stop5h 19mDelta
Sat 5/244:37 pmBTR - IAD
1 stop5h 58mDelta
Deal found 3/23$320
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2811:37 amIAD - MSY
1 stop7h 11mSun Country Air
Sat 5/310:50 amMSY - IAD
1 stop23h 57mSun Country Air
Deal found 3/24$333
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/242:10 pmIAD - MSY
1 stop9h 55mSouthwest
Tue 4/295:40 amMSY - IAD
1 stop7h 25mSouthwest
Deal found 3/24$365
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 pmIAD - SHV
1 stop5h 49mDelta
Sat 5/317:30 amSHV - IAD
1 stop6h 12mDelta
Deal found 3/24$372
This United Airlines deal was found by Cheapflights users on 3/22. 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 9/1311:20 amIAD - BTR
1 stop5h 31mUnited Airlines
Sat 9/205:20 amBTR - IAD
1 stop5h 08mUnited Airlines
Deal found 3/22$375
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:07 pmIAD - SHV
1 stop5h 55mAmerican Airlines
Sat 5/3111:56 amSHV - IAD
2 stops11h 06mAmerican Airlines
Deal found 3/24$382

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 March 25, 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

Wed 4/30

5:55 pm-7:44 pm

Nonstop2h 49m

New Orleans Louis Armstrong

Wed 5/7

8:00 am-11:28 am

Nonstop2h 28m

$189

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 4/23

6:00 am-9:09 am

1 stop4h 09m

New Orleans Louis Armstrong

Wed 4/30

6:30 am-11:23 am

1 stop3h 53m

$217

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 4/7

5:54 pm-12:42 pm

1 stop19h 48m

New Orleans Louis Armstrong

Thu 4/10

4:58 pm-5:05 pm

1 stop23h 07m

$240

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 6/14

11:50 am-5:24 pm

1 stop6h 34m

New Orleans Louis Armstrong

Sat 6/21

10:38 am-5:11 pm

1 stop5h 33m

$269

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 4/13

12:55 pm-10:07 am

3 stops22h 12m

New Orleans Louis Armstrong

Thu 4/17

7:30 pm-11:23 am

1 stop14h 53m

$292

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Sat 4/26

8:14 pm-12:02 am

1 stop4h 48m

Baton Rouge Ryan

Sat 5/10

4:32 pm-12:02 am

1 stop6h 30m

$305

Washington, D.C.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Mon 5/19

5:50 pm-10:09 pm

1 stop5h 19m

Baton Rouge Ryan

Sat 5/24

4:37 pm-11:35 pm

1 stop5h 58m

$320

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 4/28

11:37 am-5:48 pm

1 stop7h 11m

New Orleans Louis Armstrong

Sat 5/3

10:50 am-11:47 am

1 stop23h 57m

$333

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 4/24

2:10 pm-11:05 pm

1 stop9h 55m

New Orleans Louis Armstrong

Tue 4/29

5:40 am-2:05 pm

1 stop7h 25m

$365

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Sat 5/24

6:00 pm-10:49 pm

1 stop5h 49m

Shreveport

Sat 5/31

7:30 am-2:42 pm

1 stop6h 12m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 40 results
1
2
3
4

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, 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 March 25, 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 March 25, 2025.

The most flights from IAD to USLA are scheduled on a Tuesday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 March 25, 2025.
To help decide which airline to fly from Washington, D.C. to Louisiana, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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.
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Entertainment

7.1

Crew

8.5

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $95 on United Airlines. Other airlines that offer cheap prices include Delta from $109 and Southwest 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: Mesa Airlines (100%), United Airlines (94%), Air Canada (88%).

  • 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 $121. On average you can expect to pay $430. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $189.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Louisiana

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Dulles Intl to Orlando flights
Reagan-National to Miami flights
Reagan-National to Los Angeles flights
Dulles Intl to Las Vegas flights
Dulles Intl to Seattle flights
Baltimore to Fort Lauderdale flights
Reagan-National to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Seattle flights
Dulles Intl to O'Hare Intl flights
Dulles Intl to Fort Lauderdale flights
Baltimore to Miami flights
Baltimore to Hobby flights
Baltimore to Las Vegas flights
Dulles Intl to Hobby flights
Dulles Intl to Atlanta flights
Baltimore to Seattle flights
Baltimore to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Denver flights
Dulles Intl to Tampa flights
Baltimore to Orlando flights
Reagan-National to San Francisco flights
Reagan-National to Orlando flights
Dulles Intl to San Francisco flights
Dulles Intl to George Bush Intcntl flights
Baltimore to Los Angeles flights
Dulles Intl to Sky Harbor Intl flights
Dulles Intl to New Orleans flights
Reagan-National to Boston flights
Reagan-National to Denver flights
Baltimore to San Francisco flights
Dulles Intl to Boston flights
Baltimore to Denver flights
Baltimore to Atlanta flights
Reagan-National to Hobby flights
Dulles Intl to Austin flights
Baltimore to George Bush Intcntl flights
Reagan-National to Atlanta flights
Baltimore to Boston flights
Reagan-National to Sky Harbor Intl flights
Dulles Intl to Charleston flights
Dulles Intl to Midway flights
Dulles Intl to Nashville flights
Reagan-National to Nashville flights
Reagan-National to San Diego 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$96Average$188FlexibilityNo cancel feeOn-time65%
DeltaCheapest$134Average$369FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$226Average$442FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$259Average$362FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.