Cheap flights from New Orleans to Washington, D.C. from $123

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 5/14. 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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Cheap round-trip flights

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Frontier Logo
9:12 pm - 7:24 am
MSY
-
IAD
9h 12m
1 stop
Frontier Logo
6:20 am - 10:51 am
IAD
-
MSY
5h 31m
1 stop
$218Frontier
Thu, Mar 19 - Mon, Mar 23
Multiple Airlines Logo
9:21 pm - 7:24 am
MSY
-
IAD
9h 03m
1 stop
Multiple Airlines Logo
7:00 am - 8:55 pm
IAD
-
MSY
14h 55m
2 stops
$223Multiple Airlines
Sun, Mar 8 - Tue, Mar 10
Multiple Airlines Logo
7:10 pm - 12:31 am
MSY
-
IAD
28h 21m
2 stops
Multiple Airlines Logo
6:20 am - 10:51 am
IAD
-
MSY
5h 31m
1 stop
$224Multiple Airlines
Fri, Mar 13 - Mon, Mar 16
Frontier Logo
9:52 pm - 7:24 am
MSY
-
IAD
8h 32m
1 stop
Frontier Logo
6:20 am - 10:53 am
IAD
-
MSY
5h 33m
1 stop
$225Frontier
Fri, Mar 6 - Sun, Mar 22
Frontier Logo
12:46 pm - 10:11 am
MSY
-
IAD
20h 25m
1 stop
Frontier Logo
6:00 am - 10:40 am
IAD
-
MSY
5h 40m
1 stop
$226Frontier
Thu, Apr 9 - Sun, Apr 12
Frontier Logo
9:30 pm - 7:24 am
MSY
-
IAD
8h 54m
1 stop
Frontier Logo
6:20 am - 10:53 am
IAD
-
MSY
5h 33m
1 stop
$230Frontier
Fri, Mar 20 - Sun, Mar 22
United Airlines Logo
12:35 pm - 4:00 pm
MSY
-
IAD
2h 25mnonstop
United Airlines Logo
5:50 pm - 7:48 pm
IAD
-
MSY
2h 58mnonstop
$231United Airlines
Tue, Mar 17 - Tue, Mar 24
Frontier Logo
11:46 am - 12:31 am
MSY
-
IAD
11h 45m
1 stop
Frontier Logo
6:20 am - 10:51 am
IAD
-
MSY
5h 31m
1 stop
$232Frontier
Mon, Mar 16 - Mon, Mar 23
Frontier Logo
9:52 pm - 7:24 am
MSY
-
IAD
8h 32m
1 stop
Frontier Logo
6:20 am - 10:51 am
IAD
-
MSY
5h 31m
1 stop
$234Frontier
Fri, Mar 6 - Mon, Mar 16
Multiple Airlines Logo
8:58 pm - 9:34 am
MSY
-
IAD
35h 36m
2 stops
Multiple Airlines Logo
8:15 am - 10:58 pm
IAD
-
MSY
15h 43m
1 stop
$236Multiple Airlines
Thu, Feb 26 - Mon, Mar 2

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
Mar 19
MSY9:12 pmNew Orleans Louis Armstrong
9h 12m
1 stop
IAD7:24 amWashington, D.C. Dulles Intl
Mar 23
IAD6:20 amWashington, D.C. Dulles Intl
5h 31m
1 stop
MSY10:51 amNew Orleans Louis Armstrong
$218
Frontier
Mar 6
MSY9:52 pmNew Orleans Louis Armstrong
8h 32m
1 stop
IAD7:24 amWashington, D.C. Dulles Intl
Mar 22
IAD6:20 amWashington, D.C. Dulles Intl
5h 33m
1 stop
MSY10:53 amNew Orleans Louis Armstrong
$225
Frontier
Apr 9
MSY12:46 pmNew Orleans Louis Armstrong
20h 25m
1 stop
IAD10:11 amWashington, D.C. Dulles Intl
Apr 12
IAD6:00 amWashington, D.C. Dulles Intl
5h 40m
1 stop
MSY10:40 amNew Orleans Louis Armstrong
$226

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

Our best American Airlines deals on New Orleans to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Apr 11
MSY5:30 amNew Orleans Louis Armstrong
10h 39m
1 stop
IAD5:09 pmWashington, D.C. Dulles Intl
Apr 20
IAD7:00 amWashington, D.C. Dulles Intl
7h 55m
1 stop
MSY1:55 pmNew Orleans Louis Armstrong
$248
American Airlines
Apr 18
MSY2:32 pmNew Orleans Louis Armstrong
8h 27m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
May 5
IAD5:59 pmWashington, D.C. Dulles Intl
5h 48m
1 stop
MSY10:47 pmNew Orleans Louis Armstrong
$256
American Airlines
Mar 17
MSY11:26 amNew Orleans Louis Armstrong
8h 03m
2 stops
IAD8:29 pmWashington, D.C. Dulles Intl
Mar 24
IAD11:30 amWashington, D.C. Dulles Intl
11h 00m
2 stops
MSY9:30 pmNew Orleans Louis Armstrong
$261

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 February 19, 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

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 3/19

9:12 pm-7:24 am

1 stop9h 12m

Washington, D.C. Dulles Intl

Mon 3/23

6:20 am-10:51 am

1 stop5h 31m

$218

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sun 3/8

9:21 pm-7:24 am

1 stop9h 03m

Washington, D.C. Dulles Intl

Tue 3/10

7:00 am-8:55 pm

2 stops14h 55m

$223

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 3/13

7:10 pm-12:31 am

2 stops28h 21m

Washington, D.C. Dulles Intl

Mon 3/16

6:20 am-10:51 am

1 stop5h 31m

$224

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 3/6

9:52 pm-7:24 am

1 stop8h 32m

Washington, D.C. Dulles Intl

Sun 3/22

6:20 am-10:53 am

1 stop5h 33m

$225

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 4/9

12:46 pm-10:11 am

1 stop20h 25m

Washington, D.C. Dulles Intl

Sun 4/12

6:00 am-10:40 am

1 stop5h 40m

$226

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 3/20

9:30 pm-7:24 am

1 stop8h 54m

Washington, D.C. Dulles Intl

Sun 3/22

6:20 am-10:53 am

1 stop5h 33m

$230

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 3/17

12:35 pm-4:00 pm

Nonstop2h 25m

Washington, D.C. Dulles Intl

Tue 3/24

5:50 pm-7:48 pm

Nonstop2h 58m

$231

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 3/16

11:46 am-12:31 am

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 3/23

6:20 am-10:51 am

1 stop5h 31m

$232

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 3/6

9:52 pm-7:24 am

1 stop8h 32m

Washington, D.C. Dulles Intl

Mon 3/16

6:20 am-10:51 am

1 stop5h 31m

$234

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 2/26

8:58 pm-9:34 am

2 stops35h 36m

Washington, D.C. Dulles Intl

Mon 3/2

8:15 am-10:58 pm

1 stop15h 43m

$236

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 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 $282.

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 $765. When flying out on a Monday, 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 $939.

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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $820 when looking at flights departing in the morning. 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 $363 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 30% 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 February 2026, prices for New Orleans to Washington, D.C. Dulles Intl Airport flights are approximately 10% more expensive 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

$218

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 $218. 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 $475.
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.
  • 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 $108Free CancellationRating
7.9
8,212 reviews
Search Delta flights
United AirlinesPriceFrom $213Free CancellationRating
7.4
9,321 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 9 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 $213 round-trip, up to an average price of $340. 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
Waldorf
Woodbridge
Colonial Beach
Laurel
Silver Spring
Tysons
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Bethesda

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.

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1 adult
Sat 3/21
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