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Cheap flights from New Orleans to Washington, D.C. from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Orleans to Washington, D.C. departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:36 pm - 9:08 am
MSY
-
IAD
11h 32m1 stop
Multiple Airlines Logo
2:58 pm - 10:58 pm
IAD
-
MSY
9h 00m2 stops
$180Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Multiple Airlines Logo
10:47 am - 8:04 am
MSY
-
IAD
20h 17m2 stops
Multiple Airlines Logo
3:00 pm - 9:54 pm
IAD
-
MSY
7h 54m1 stop
$183Multiple Airlines
Sat, Jan 17 - Sun, Jan 18
Frontier Logo
1:59 pm - 9:03 pm
MSY
-
IAD
6h 04m1 stop
Frontier Logo
6:00 am - 4:10 pm
IAD
-
MSY
11h 10m1 stop
$184Frontier
Mon, Jan 5 - Tue, Jan 6
Multiple Airlines Logo
8:36 pm - 10:44 am
MSY
-
IAD
13h 08m2 stops
Multiple Airlines Logo
1:30 pm - 6:47 pm
IAD
-
MSY
6h 17m1 stop
$195Multiple Airlines
Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
6:55 pm - 10:44 am
MSY
-
IAD
14h 49m1 stop
Multiple Airlines Logo
1:31 pm - 10:58 pm
IAD
-
MSY
10h 27m1 stop
$204Multiple Airlines
Fri, Jan 30 - Mon, Feb 2
Frontier Logo
1:59 pm - 9:03 pm
MSY
-
IAD
6h 04m1 stop
Frontier Logo
6:00 am - 4:10 pm
IAD
-
MSY
11h 10m1 stop
$214Frontier
Mon, Jan 5 - Tue, Jan 6
Frontier Logo
12:53 pm - 7:40 am
MSY
-
IAD
17h 47m1 stop
Frontier Logo
9:33 am - 11:51 am
IAD
-
MSY
27h 18m1 stop
$228Frontier
Sun, Jan 11 - Sat, Jan 17
United Airlines Logo
12:40 pm - 4:06 pm
MSY
-
IAD
2h 26mnonstop
United Airlines Logo
8:25 am - 10:40 am
IAD
-
MSY
3h 15mnonstop
$231United Airlines
Wed, Jan 7 - Sat, Jan 10
United Airlines Logo
8:00 am - 11:26 am
MSY
-
IAD
2h 26mnonstop
United Airlines Logo
5:42 pm - 7:45 pm
IAD
-
MSY
3h 03mnonstop
$240United Airlines
Sat, Jan 17 - Sun, Jan 18
United Airlines Logo
3:59 pm - 10:18 pm
MSY
-
IAD
5h 19m1 stop
United Airlines Logo
5:42 pm - 7:45 pm
IAD
-
MSY
3h 03mnonstop
$241United Airlines
Wed, Jan 7 - Sat, Jan 10

Frontier flights from New Orleans to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on New Orleans to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Jan 5
MSY1:59 pmNew Orleans Louis Armstrong
6h 04m
1 stop
IAD9:03 pmWashington, D.C. Dulles Intl
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
11h 10m
1 stop
MSY4:10 pmNew Orleans Louis Armstrong
$184
Find similar
Frontier
Jan 5
MSY1:59 pmNew Orleans Louis Armstrong
6h 04m
1 stop
IAD9:03 pmWashington, D.C. Dulles Intl
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
11h 10m
1 stop
MSY4:10 pmNew Orleans Louis Armstrong
$214
Find similar
Frontier
Jan 11
MSY12:53 pmNew Orleans Louis Armstrong
17h 47m
1 stop
IAD7:40 amWashington, D.C. Dulles Intl
Jan 17
IAD9:33 amWashington, D.C. Dulles Intl
27h 18m
1 stop
MSY11:51 amNew Orleans Louis Armstrong
$228
Find similar

United Airlines flights from New Orleans to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on New Orleans to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Jan 7
MSY12:40 pmNew Orleans Louis Armstrong
2h 26m
IAD4:06 pmWashington, D.C. Dulles Intl
Jan 10
IAD8:25 amWashington, D.C. Dulles Intl
3h 15m
MSY10:40 amNew Orleans Louis Armstrong
$231
Find similar
United Airlines
Jan 17
MSY8:00 amNew Orleans Louis Armstrong
2h 26m
IAD11:26 amWashington, D.C. Dulles Intl
Jan 18
IAD5:42 pmWashington, D.C. Dulles Intl
3h 03m
MSY7:45 pmNew Orleans Louis Armstrong
$240
Find similar
United Airlines
Jan 7
MSY3:59 pmNew Orleans Louis Armstrong
5h 19m
1 stop
IAD10:18 pmWashington, D.C. Dulles Intl
Jan 10
IAD5:42 pmWashington, D.C. Dulles Intl
3h 03m
MSY7:45 pmNew Orleans Louis Armstrong
$241
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from New Orleans to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 18, 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

Fly to

Route

Depart

Return

Price

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 1/9

8:36 pm-9:08 am

1 stop11h 32m

Washington, D.C. Dulles Intl

Mon 1/12

2:58 pm-10:58 pm

2 stops9h 00m

$180

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 1/17

10:47 am-8:04 am

2 stops20h 17m

Washington, D.C. Dulles Intl

Sun 1/18

3:00 pm-9:54 pm

1 stop7h 54m

$183

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 1/5

1:59 pm-9:03 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Tue 1/6

6:00 am-4:10 pm

1 stop11h 10m

$184

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 1/30

8:36 pm-10:44 am

2 stops13h 08m

Washington, D.C. Dulles Intl

Sun 2/1

1:30 pm-6:47 pm

1 stop6h 17m

$195

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 1/30

6:55 pm-10:44 am

1 stop14h 49m

Washington, D.C. Dulles Intl

Mon 2/2

1:31 pm-10:58 pm

1 stop10h 27m

$204

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 1/5

1:59 pm-9:03 pm

1 stop6h 04m

Washington, D.C. Dulles Intl

Tue 1/6

6:00 am-4:10 pm

1 stop11h 10m

$214

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sun 1/11

12:53 pm-7:40 am

1 stop17h 47m

Washington, D.C. Dulles Intl

Sat 1/17

9:33 am-11:51 am

1 stop27h 18m

$228

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 1/7

12:40 pm-4:06 pm

Nonstop2h 26m

Washington, D.C. Dulles Intl

Sat 1/10

8:25 am-10:40 am

Nonstop3h 15m

$231

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 1/17

8:00 am-11:26 am

Nonstop2h 26m

Washington, D.C. Dulles Intl

Sun 1/18

5:42 pm-7:45 pm

Nonstop3h 03m

$240

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 1/7

3:59 pm-10:18 pm

1 stop5h 19m

Washington, D.C. Dulles Intl

Sat 1/10

5:42 pm-7:45 pm

Nonstop3h 03m

$241

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from New Orleans to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between New Orleans and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, September is the cheapest month to fly from New Orleans to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $287.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $783. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New Orleans to Washington, D.C. Dulles Intl Airport for around $1,004.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from New Orleans at noon is the least expensive time of day to depart. momondo users have found prices as low as $238 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,005 on average. Flights to Washington, D.C. Dulles Intl Airport from New Orleans in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest New Orleans Louis Armstrong to Washington, D.C. Dulles Intl flight route?

Fly from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl for the best New Orleans Louis Armstrong - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from New Orleans when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $329 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from New Orleans for as low as $220 on momondo.

What cabin class options are available on New Orleans Louis Armstrong to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on New Orleans Louis Armstrong to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on New Orleans to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a New Orleans to Washington, D.C. Dulles Intl Airport flight.

How have New Orleans to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2025, prices for New Orleans to Washington, D.C. Dulles Intl Airport flights are approximately 21% cheaper when compared to flights at the same time last year.

When to book flights from New Orleans to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from New Orleans to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New Orleans to Washington, D.C. Dulles Intl Airport (MSY to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New Orleans to Washington, D.C. Dulles Intl Airport

Best Price Found

$209

Fastest flight time

2h 25m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from New Orleans in the past 72 hours is $209. The best round-trip flight deal from New Orleans to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $455.
The fastest flight from New Orleans to Washington, D.C. Dulles Intl Airport takes 2h 25m
Direct flights go from New Orleans to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is New Orleans Louis Armstrong to Washington, D.C. Dulles Intl by plane?

    There are 948.1 mi between New Orleans Louis Armstrong and Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 2h 25m.

  • When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from New Orleans Louis Armstrong Airport to Washington, D.C. Dulles Intl Airport were last updated today.

  • How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from New Orleans Louis Armstrong Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New Orleans Louis Armstrong Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from New Orleans to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from New Orleans to Washington, D.C. Dulles Intl Airport?

Best airlines flying from New Orleans to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from New Orleans to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $134Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $210Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

  • United Airlines Flights From New Orleans to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from New Orleans to Washington, D.C. Dulles Intl Airport, operating 13 flights/week on average for this route. A good United Airlines flight deal for New Orleans to Washington, D.C. Dulles Intl Airport starts from $210 round-trip, up to an average price of $339. Our users have rated United Airlines at 7.4/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from New Orleans to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from New Orleans.

Can I find flights from New Orleans to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from New Orleans which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from New Orleans to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from New Orleans.

I’m not ready to book a flight from New Orleans to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for New Orleans to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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