Dulles Intl

$105+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Orleans to Dulles Intl 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.

Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl are usually found in July or March, booked 57 days in advance, depart on a Friday or Wednesday and return on a Monday

Cheap 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 June 12, 2025.

Round-trip from

$177
(Southwest)

One-way from

$105
(United Airlines)

Popular in

November

Cheapest in

July

Average price

$331

Good round-trip deal

$579 or less

Good one-way deal

$205 or less
From New Orleans Louis Armstrong to Washington, D.C. Dulles Intl
One-way flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 12% potential increase in price ($51 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl.

Find 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 June 12, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/155:00 amMSY - IAD
1 stop7h 20mSouthwest
Tue 9/162:25 pmIAD - MSY
1 stop9h 05mSouthwest
Deal found 6/12$176
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/311:57 amMSY - IAD
1 stop6h 16mUnited Airlines
Thu 9/48:35 amIAD - MSY
Nonstop2h 42mUnited Airlines
Deal found 6/11$187
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:30 amMSY - IAD
1 stop5h 27mDelta
Wed 10/293:00 pmIAD - MSY
1 stop4h 53mDelta
Deal found 6/10$217
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/172:43 pmMSY - IAD
1 stop20h 46mSun Country Air
Tue 7/2212:40 pmIAD - MSY
1 stop26h 41mSun Country Air
Deal found 6/10$225
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:48 pmMSY - IAD
2 stops24h 35mMultiple Airlines
Sun 7/2711:58 amIAD - MSY
1 stop8h 07mMultiple Airlines
Deal found 6/10$228
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/257:00 amMSY - IAD
1 stop8h 50mAmerican Airlines
Tue 9/305:40 pmIAD - MSY
1 stop6h 08mAmerican Airlines
Deal found 6/10$251
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/54:51 pmMSY - IAD
1 stop6h 15mFrontier
Sun 9/75:08 pmIAD - MSY
1 stop23h 48mFrontier
Deal found 6/12$262

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 June 12, 2025.
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

New Orleans

Fly to

Dulles Intl

Route

Depart

Return

Price

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 9/3

7:50 am-4:15 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

Thu 9/4

7:35 am-4:35 pm

1 stop10h 00m

$177

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 9/3

11:57 am-7:13 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

Thu 9/4

8:35 am-10:17 am

Nonstop2h 42m

$187

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 7/1

8:30 am-4:33 pm

1 stop7h 03m

Washington, D.C. Dulles Intl

Sat 7/5

6:00 am-9:28 am

1 stop4h 28m

$217

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 7/17

2:43 pm-12:29 pm

1 stop20h 46m

Washington, D.C. Dulles Intl

Tue 7/22

12:40 pm-2:21 pm

1 stop26h 41m

$225

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 7/24

12:48 pm-2:23 pm

2 stops24h 35m

Washington, D.C. Dulles Intl

Sun 7/27

11:58 am-7:05 pm

1 stop8h 07m

$228

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 8/16

6:39 pm-11:57 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Fri 8/22

10:25 am-3:01 pm

1 stop5h 36m

$260

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 9/5

4:51 pm-12:06 am

1 stop6h 15m

Washington, D.C. Dulles Intl

Sun 9/7

5:08 pm-3:56 pm

1 stop23h 48m

$262

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sun 8/31

5:15 am-11:28 am

1 stop5h 13m

$105

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 8/12

5:25 am-11:44 am

1 stop5h 19m

$109

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 7/22

6:15 am-12:12 am

1 stop16h 57m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 14 results
1
2

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your New Orleans to Washington, D.C. Dulles Intl Airport trip
Airports
MSY

Expect short security waits at MSY, with average times around 15 minutes, making it convenient for domestic travelers.

Read more about MSYby Brandon Schultz
IAD

Use the Silver Line Metro to reach downtown D.C. from IAD in under 40 minutes, a cost-effective option for arrivals.

Read more about IADby Ramsey Qubein
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on MSY

Brandon Schultz

Brandon Schultz

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

Ramsey Qubein

Ramsey Qubein

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

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?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to Dulles Intl. Price data was last updated on June 9, 2025.

Booking 57 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 $309). Flying from New Orleans to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 June 12, 2025.

It’s optimal to fly from New Orleans to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 73% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from New Orleans to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from New Orleans to Dulles Intl. 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 June 12, 2025.

The most flights from MSY to IAD are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 12, 2025.
To help decide which airline to fly from New Orleans to Washington, D.C., see what other customers have to say about Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 3 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.

  • 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 $177. Other airlines that can offer you cheap pricing are United Airlines, from $187, and Delta, from $217. You may be able to fly from New Orleans to Washington, D.C. Dulles Intl Airport for 48% 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?

    $105 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Sun Country Air, with prices starting from $109 and $118, 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 Republic Airways (100%), United Airlines (90%) and Austrian Airlines (90%).

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

    On average you can expect to pay $1,611 for a flight from New Orleans to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $124 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $157.

  • 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 $309). Flying from New Orleans to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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.

Top 3 airlines flying from New Orleans to Dulles Intl

Discover the top 3 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$273FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$220Average$344FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$353FlexibilityNo 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.