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Dulles Intl

$114+ Cheap flights from New Orleans (MSY) to Dulles Intl (IAD)

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Find cheap flights from New Orleans to Dulles Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl are usually found in August or September, booked 41 days in advance, depart on a Saturday or Friday and return on a Tuesday

Cheap flight deals from New Orleans to Dulles Intl

Cheapest flights from New Orleans to Dulles Intl
Explore the most affordable flight options available from New Orleans to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.

This Expedia deal was found by Cheapflights users on 7/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:45 pm
MSY
-
IAD
1 stop16h 22m
Frontier
Wed 8/2611:05 am
IAD
-
MSY
1 stop7h 27m
Frontier
Deal found 7/7$234
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 9/155:02 pm
MSY
-
IAD
1 stop6h 26m
Frontier
Sun 10/119:16 pm
IAD
-
MSY
1 stop19h 51m
Frontier
Deal found 7/8$238
This Frontier deal was found by Cheapflights users on 7/9. 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.
Wed 10/145:02 pm
MSY
-
IAD
1 stop6h 26m
Frontier
Sat 10/177:00 am
IAD
-
MSY
1 stop10h 07m
Frontier
Deal found 7/9$239
This Expedia deal was found by Cheapflights users on 7/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:36 pm
MSY
-
IAD
1 stop20h 40m
Frontier
Sun 8/161:32 pm
IAD
-
MSY
1 stop27h 18m
Frontier
Deal found 7/7$240
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Mon 9/145:02 pm
MSY
-
IAD
1 stop6h 26m
Frontier
Fri 10/99:16 pm
IAD
-
MSY
1 stop19h 51m
Frontier
Deal found 7/8$242
This Delta deal was found by Cheapflights users on 7/8. 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 8/287:16 pm
MSY
-
IAD
1 stop4h 18m
Delta
Mon 8/3110:16 am
IAD
-
MSY
1 stop6h 54m
Delta
Deal found 7/8$243
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 8/610:11 am
MSY
-
IAD
2 stops8h 27m
Multiple Airlines
Thu 8/134:03 pm
IAD
-
MSY
1 stop26h 05m
Multiple Airlines
Deal found 7/6$244
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/75:09 pm
MSY
-
IAD
1 stop22h 25m
Frontier
Tue 8/118:33 pm
IAD
-
MSY
2 stops16h 18m
Frontier
Deal found 7/11$245
This Delta deal was found by Cheapflights users on 7/8. 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 9/147:23 pm
MSY
-
IAD
1 stop4h 17m
Delta
Fri 10/97:38 pm
IAD
-
MSY
1 stop4h 57m
Delta
Deal found 7/8$247
This United Airlines deal was found by Cheapflights users on 7/9. 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.
Thu 9/177:00 am
MSY
-
IAD
1 stop5h 55m
United Airlines
Mon 9/216:00 pm
IAD
-
MSY
Nonstop2h 48m
United Airlines
Deal found 7/9$248
This Kiwi.com deal was found by Cheapflights users on 7/8. 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.
Tue 9/156:05 pm
MSY
-
IAD
2 stops24h 04m
Frontier
Wed 10/77:00 am
IAD
-
MSY
1 stop10h 09m
Frontier
Deal found 7/8$249
This CheapOair deal was found by Cheapflights users on 7/10. 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.
Wed 9/26:17 pm
MSY
-
IAD
1 stop20h 50m
Frontier
Fri 9/44:52 pm
IAD
-
MSY
1 stop25h 40m
Frontier
Deal found 7/10$250

Find flight deals from New Orleans to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$234
(Expedia)

One-way from

$114
(Super.com)

Popular in

January

Cheapest in

August

Average price

$389

Good round-trip deal

$448 or less

Good one-way deal

$227 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Washington, D.C. Dulles Intl flights.
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From New Orleans Louis Armstrong to Washington, D.C. Dulles Intl
Search Deals
One-way flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Orleans to Dulles Intl 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 July 12, 2026.
Use the filters below to find and compare flights from New Orleans to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 9/17

7:00 am-1:55 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Mon 9/21

6:20 pm-8:08 pm

Nonstop2h 48m

$248
Quickest round-trip

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 8/7

12:17 pm-3:50 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Fri 8/14

6:00 pm-7:48 pm

Nonstop2h 48m

$251

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 9/24

1:00 pm-6:21 pm

1 stop4h 21m

Washington, D.C. Dulles Intl

Mon 9/28

7:16 pm-11:37 pm

1 stop5h 21m

$283

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 9/16

6:20 am-11:31 am

1 stop4h 11m

Washington, D.C. Dulles Intl

Sun 9/20

7:16 pm-11:37 pm

1 stop5h 21m

$312

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 8/1

8:00 am-11:33 am

Nonstop2h 33m

Washington, D.C. Dulles Intl

Sat 8/8

3:39 pm-10:46 pm

1 stop8h 07m

$312

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 8/28

7:16 pm-12:34 am

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 8/30

7:26 pm-11:38 pm

1 stop5h 12m

$322

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 7/28

12:17 pm-3:50 pm

Nonstop2h 33m

Washington, D.C. Dulles Intl

Mon 8/10

3:39 pm-10:46 pm

1 stop8h 07m

$332

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 9/3

3:30 pm-8:55 pm

1 stop4h 25m

Washington, D.C. Dulles Intl

Tue 9/8

3:15 pm-6:28 pm

1 stop4h 13m

$338

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 8/10

7:16 pm-12:34 am

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 8/16

5:47 pm-11:38 pm

1 stop6h 51m

$380
Cheapest one-way

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 12/29

6:30 am-11:59 am

1 stop4h 29m

$163

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 21 resultsSorted by cheapest first
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3

Compare providers for flights from New Orleans to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from New Orleans to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on New Orleans-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Orleans-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Orleans-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Orleans-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Orleans-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from New Orleans to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from New Orleans 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 New Orleans to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from New Orleans to Washington, D.C. Dulles Intl Airport?

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from New Orleans to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from New Orleans to Washington, D.C. Dulles Intl Airport (average of $289). Flying from New Orleans to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $612). 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 MSY to IAD?

Find hourly flight availability from New Orleans to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from New Orleans to Washington, D.C. Dulles Intl Airport as you normally would.

How much does it cost to fly round-trip from New Orleans to Washington, D.C. Dulles Intl Airport?

The best insider tips for New Orleans to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 12, 2026.
Read reviews from past customers who have flown United Airlines and Frontier from New Orleans to Washington, D.C. Dulles Intl Airport. 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.
United Airlines
7.4
Good
9,980 reviews

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,980 reviews
United Airlines
7.4
Good
9,980 reviews

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Frontier
5.6
Fair
2,827 reviews
United Airlines
7.4
Good
9,980 reviews

Food

6.7

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from New Orleans to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from New Orleans to Washington, D.C. Dulles Intl?

    Most people fly from New Orleans Louis Armstrong (MSY) if they book a flight from New Orleans to Washington, D.C. Dulles Intl. On average, Louis Armstrong has 7 outbound flights to Washington, D.C. Dulles Intl per day from 2 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.

  • How long is the flight from New Orleans to Washington, D.C. Dulles Intl Airport?

    Departing from New Orleans to Washington, D.C. Dulles Intl Airport will take you 4h 21m. The distance from New Orleans to Washington, D.C. Dulles Intl Airport is about 954 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from New Orleans to Washington, D.C. Dulles Intl Airport round-trip?

    Cheapflights users have booked flights from New Orleans to Washington, D.C. Dulles Intl Airport round-trip from $154. Another airline that can offer you cheap pricing is United Airlines. You may be able to fly from New Orleans to Washington, D.C. Dulles Intl Airport for 61% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from New Orleans to Washington, D.C. Dulles Intl Airport one-way?

    $70 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $115 and $128, respectively.

  • What are the most reliable airlines from New Orleans to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from New Orleans to Washington, D.C. Dulles Intl Airport are Mesa Airlines (100%), Republic Airways (100%) and Austrian Airlines (93%).

  • What are the cheapest flights from New Orleans to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $2,104 for a flight from New Orleans to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $166 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $195.

  • Can I find deals for flights from New Orleans to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on New Orleans to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from New Orleans to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to Dulles Intl.

  • Can I find deals for business class flights from New Orleans to Dulles Intl?

    Yes. Cheapflights offers flight deals from New Orleans to Dulles Intl 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 New Orleans to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from New Orleans to Washington, D.C. Dulles Intl Airport (average of $289). Flying from New Orleans to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $612). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Chantilly
Laurel
Sterling
Silver Spring
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from New Orleans to Dulles Intl

Discover the top 2 airlines that operate flights from New Orleans to Dulles Intl. 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 July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$154Average$270FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$207Average$379FlexibilityNo cancel feeOn-time69%

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