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$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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — MSY
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$165
(FlightHub)

One-way from

$95
(United Airlines)

Popular in

February

Cheapest in

September

Average price

$304

Good round-trip deal

$337 or less

Good one-way deal

$183 or less
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. 4% potential increase in price ($17 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 August 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 August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:10 amIAD - MSY
1 stop10h 40mFrontier
Mon 9/154:52 pmMSY - IAD
1 stop6h 23mFrontier
Deal found 8/14$165
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:15 amIAD - MSY
1 stop11h 22mFrontier
Mon 10/275:32 pmMSY - IAD
1 stop5h 39mFrontier
Deal found 8/14$185
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/257:14 pmIAD - MSY
1 stop13h 41mMultiple Airlines
Mon 9/295:20 amMSY - IAD
1 stop12h 04mMultiple Airlines
Deal found 8/12$187
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Thu 9/47:14 pmIAD - MSY
1 stop13h 41mMultiple Airlines
Mon 9/85:20 amMSY - IAD
1 stop12h 04mMultiple Airlines
Deal found 8/12$188
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 9/95:33 pmIAD - MSY
Nonstop2h 40mUnited Airlines
Tue 9/1612:40 pmMSY - IAD
Nonstop2h 29mUnited Airlines
Deal found 8/11$189
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:36 pmIAD - MSY
1 stop16h 53mFrontier
Mon 11/176:01 pmMSY - IAD
1 stop5h 10mFrontier
Deal found 8/14$190
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 10/249:28 pmIAD - MSY
1 stop20h 56mMultiple Airlines
Mon 10/276:00 amMSY - IAD
1 stop13h 33mMultiple Airlines
Deal found 8/12$194
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:40 pmIAD - MSY
1 stop24h 57mFrontier
Thu 10/165:57 pmMSY - IAD
1 stop5h 14mFrontier
Deal found 8/14$197
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:10 amIAD - MSY
1 stop6h 55mFrontier
Sun 8/241:35 pmMSY - IAD
1 stop25h 55mFrontier
Deal found 8/14$201
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:33 pmIAD - MSY
Nonstop2h 40mUnited Airlines
Sat 9/2012:40 pmMSY - IAD
Nonstop2h 29mUnited Airlines
Deal found 8/13$203
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/236:00 amIAD - SHV
1 stop5h 18mDelta
Mon 10/275:12 pmSHV - IAD
1 stop6h 00mDelta
Deal found 8/13$259
This Delta deal was found by Cheapflights users on 8/14. 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.
Thu 11/2712:35 pmIAD - LFT
1 stop7h 29mDelta
Thu 12/45:15 pmLFT - IAD
1 stop5h 52mDelta
Deal found 8/14$259

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 August 14, 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

Thu 8/28

6:10 am-12:05 pm

1 stop6h 55m

New Orleans Louis Armstrong

Thu 8/28

1:35 pm-12:16 am

1 stop9h 41m

$165

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 9/11

6:10 am-3:50 pm

1 stop10h 40m

New Orleans Louis Armstrong

Sun 9/14

9:07 pm-12:55 pm

2 stops14h 48m

$188

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Tue 9/9

5:33 pm-7:13 pm

Nonstop2h 40m

New Orleans Louis Armstrong

Tue 9/16

12:40 pm-4:09 pm

Nonstop2h 29m

$189

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 8/21

6:10 am-12:05 pm

1 stop6h 55m

New Orleans Louis Armstrong

Sun 8/24

1:35 pm-4:30 pm

1 stop25h 55m

$201

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 9/17

5:33 pm-7:13 pm

Nonstop2h 40m

New Orleans Louis Armstrong

Sat 9/20

12:40 pm-4:09 pm

Nonstop2h 29m

$203

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 10/1

5:47 pm-7:28 pm

Nonstop2h 41m

New Orleans Louis Armstrong

Mon 10/6

8:00 am-11:30 am

Nonstop2h 30m

$203

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 10/15

5:47 pm-7:28 pm

Nonstop2h 41m

New Orleans Louis Armstrong

Sat 10/18

8:00 am-11:30 am

Nonstop2h 30m

$203

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 10/6

5:47 pm-7:28 pm

Nonstop2h 41m

New Orleans Louis Armstrong

Tue 10/7

12:42 pm-4:12 pm

Nonstop2h 30m

$203

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Tue 9/9

6:00 am-11:01 am

1 stop6h 01m

New Orleans Louis Armstrong

Tue 9/9

3:25 pm-11:55 pm

1 stop7h 30m

$209

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 9/10

12:50 pm-7:55 pm

1 stop8h 05m

New Orleans Louis Armstrong

Wed 9/17

5:15 pm-11:55 pm

1 stop5h 40m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 54 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, 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 August 14, 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.

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 August 14, 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
7,980 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,046 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Frontier from $100 and Delta from $142 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: Republic Airways (100%), Mesa Airlines (82%), United Airlines (80%).

  • 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 $92. On average you can expect to pay $381. 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

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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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Dulles Intl to Hobby 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$135Average$185FlexibilityNo cancel feeOn-time65%
DeltaCheapest$187Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$410FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$475FlexibilityNo cancel feeOn-time71%

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