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$98+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$211
(Kiwi.com)

One-way from

$98
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$344

Good round-trip deal

$276 or less

Good one-way deal

$163 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-New Orleans Louis Armstrong flight deals.
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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 ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/12. 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 11/88:36 pmIAD - MSY
1 stop11h 16mMultiple Airlines
Tue 11/113:21 pmMSY - IAD
1 stop27h 59mMultiple Airlines
Deal found 10/12$211
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:00 amIAD - MSY
1 stop8h 09mUnited Airlines
Thu 11/138:00 amMSY - IAD
Nonstop2h 25mUnited Airlines
Deal found 10/11$215
This Booking.com deal was found by Cheapflights users on 10/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:15 amIAD - MSY
1 stop11h 22mFrontier
Fri 10/316:27 pmMSY - IAD
1 stop24h 24mFrontier
Deal found 10/11$217
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:22 amIAD - MSY
Nonstop2h 52mUnited Airlines
Wed 12/38:00 amMSY - IAD
Nonstop2h 26mUnited Airlines
Deal found 10/11$218
This Kiwi.com deal was found by Cheapflights users on 10/11. 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.
Fri 10/248:53 pmIAD - MSY
2 stops20h 38mMultiple Airlines
Mon 10/276:05 pmMSY - IAD
1 stop25h 15mMultiple Airlines
Deal found 10/11$219
This United Airlines deal was found by Cheapflights users on 10/12. 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 11/115:15 pmIAD - MSY
1 stop6h 12mUnited Airlines
Wed 11/129:05 amMSY - IAD
1 stop6h 11mUnited Airlines
Deal found 10/12$220
This Mytrip deal was found by Cheapflights users on 10/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:04 amIAD - MSY
1 stop11h 33mFrontier
Mon 10/275:32 pmMSY - IAD
1 stop4h 50mFrontier
Deal found 10/11$221
This Kiwi.com deal was found by Cheapflights users on 10/11. 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 12/256:00 amIAD - MSY
1 stop10h 17mMultiple Airlines
Mon 12/297:00 amMSY - IAD
1 stop25h 20mMultiple Airlines
Deal found 10/11$223
This Booking.com deal was found by Cheapflights users on 10/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/18:36 pmIAD - MSY
1 stop17h 53mFrontier
Mon 11/36:01 pmMSY - IAD
1 stop5h 10mFrontier
Deal found 10/11$224
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:00 amIAD - MSY
1 stop5h 59mUnited Airlines
Wed 11/1210:38 amMSY - IAD
1 stop5h 52mUnited Airlines
Deal found 10/11$225
This Kiwi.com deal was found by Cheapflights users on 10/12. 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.
Wed 10/298:47 amIAD - MSY
2 stops24h 20mMultiple Airlines
Mon 11/36:01 pmMSY - IAD
1 stop5h 10mMultiple Airlines
Deal found 10/12$226
This United Airlines deal was found by Cheapflights users on 10/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/248:45 amIAD - MSY
1 stop7h 12mUnited Airlines
Thu 12/48:00 amMSY - IAD
Nonstop2h 26mUnited Airlines
Deal found 10/11$228

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 October 13, 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

Mon 1/26

6:00 am-10:27 am

1 stop5h 27m

New Orleans Louis Armstrong

Thu 1/29

7:30 am-2:51 pm

1 stop6h 21m

$225

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 1/17

5:38 pm-11:44 pm

1 stop7h 06m

New Orleans Louis Armstrong

Tue 1/20

9:05 am-4:14 pm

1 stop6h 09m

$238

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sat 11/15

5:45 pm-7:38 pm

Nonstop2h 53m

New Orleans Louis Armstrong

Tue 11/18

8:00 am-11:25 am

Nonstop2h 25m

$251

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Sat 12/6

2:06 pm-6:43 pm

1 stop5h 37m

Shreveport

Mon 12/8

4:43 pm-11:08 pm

1 stop5h 25m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Sat 11/8

6:00 am-10:55 am

1 stop5h 55m

Shreveport

Sat 11/15

4:59 pm-11:19 pm

1 stop5h 20m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Fri 12/12

2:16 pm-7:06 pm

1 stop5h 50m

Shreveport

Sun 12/14

4:24 pm-12:01 am

1 stop6h 37m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Wed 11/5

5:45 pm-10:12 pm

1 stop5h 27m

Shreveport

Mon 11/10

5:56 pm-11:44 pm

1 stop4h 48m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Sat 11/15

5:59 pm-10:12 pm

1 stop5h 13m

Shreveport

Sun 11/16

6:05 am-11:39 am

1 stop4h 34m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Thu 11/27

6:34 am-11:21 am

1 stop5h 47m

Lafayette Regional

Thu 12/4

2:01 pm-10:43 pm

1 stop7h 42m

$259

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Wed 11/5

5:52 pm-11:22 pm

1 stop6h 30m

Shreveport

Mon 11/10

7:29 am-2:40 pm

1 stop6h 11m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/11

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 October 13, 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 October 13, 2025.

The most flights from IAD to USLA are scheduled on a Thursday (10 on average). You will have fewer flight options on Wednesday, 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 October 13, 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
8.0
Very good
7,971 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,970 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,046 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,098 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 5h 27m. The time it takes to get you to your destination can typically vary by up to 1h 39m. 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 - Lafayette Regional.

  • 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 (92%), 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 $102. On average you can expect to pay $446. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $140.

  • 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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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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$125Average$199FlexibilityNo cancel feeOn-time65%
DeltaCheapest$187Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$243Average$403FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$448FlexibilityNo cancel feeOn-time71%

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