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Cheap flights from Louisiana to Washington, D.C. from $70

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Washington, D.C. departing on 9/6. 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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Find the cheapest flights from Louisiana to Washington, D.C.

Cheap round-trip flights

United Airlines Logo
8:00 am - 11:30 amMSY-IAD
2h 30mnonstop
United Airlines Logo
5:33 pm - 7:13 pmIAD-MSY
2h 40mnonstop
$139United Airlines
Find Deal
sáb., ago. 30 - mié., sep. 3
United Airlines Logo
10:15 am - 4:23 pmMSY-IAD
5h 08m1 stop
United Airlines Logo
5:33 pm - 7:13 pmIAD-MSY
2h 40mnonstop
$145United Airlines
Find Deal
mié., sep. 3 - mié., sep. 10
Frontier Logo
4:51 pm - 12:15 amMSY-IAD
6h 24m1 stop
Frontier Logo
6:10 am - 3:57 pmIAD-MSY
10h 47m1 stop
$176Frontier
Find Deal
jue., sep. 25 - lun., sep. 29
Southwest Logo
7:50 am - 4:15 pmMSY-IAD
7h 25m1 stop
Southwest Logo
2:10 pm - 11:40 pmIAD-MSY
10h 30m1 stop
$180Southwest
Find Deal
mié., sep. 10 - lun., sep. 15
Frontier Logo
1:35 pm - 12:16 amMSY-IAD
9h 41m1 stop
Frontier Logo
6:10 am - 12:05 pmIAD-MSY
6h 55m1 stop
$199Frontier
Find Deal
jue., ago. 21 - dom., ago. 24
Southwest Logo
5:00 am - 1:20 pmMSY-IAD
7h 20m1 stop
Southwest Logo
7:40 am - 4:40 pmIAD-MSY
10h 00m1 stop
$216Southwest
Find Deal
jue., sep. 4 - dom., sep. 7
Delta Logo
12:38 pm - 6:49 pmMSY-IAD
5h 11m1 stop
Delta Logo
12:20 pm - 3:58 pmIAD-MSY
4h 38m1 stop
$217Delta
Find Deal
sáb., ago. 30 - mié., sep. 3
Delta Logo
6:25 am - 2:31 pmMSY-IAD
7h 06m1 stop
Delta Logo
12:20 pm - 5:53 pmIAD-MSY
6h 33m1 stop
$240Delta
Find Deal
jue., ago. 28 - mié., sep. 3
American Airlines Logo
5:15 am - 10:28 pmMSY-IAD
16h 13m1 stop
American Airlines Logo
1:58 pm - 5:48 pmIAD-MSY
4h 50m1 stop
$244American Airlines
Find Deal
sáb., nov. 8 - dom., nov. 23
American Airlines Logo
6:00 am - 6:54 pmLCH-IAD
11h 54m2 stops
American Airlines Logo
6:11 am - 11:44 amIAD-LCH
6h 33m1 stop
$264American Airlines
Find Deal
mar., oct. 21 - lun., oct. 27

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

Our best American Airlines deals on Louisiana to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Nov 8
MSY5:15 amNew Orleans Louis Armstrong
16h 13m
1 stop
IAD10:28 pmWashington, D.C. Dulles Intl
Nov 23
IAD1:58 pmWashington, D.C. Dulles Intl
4h 50m
1 stop
MSY5:48 pmNew Orleans Louis Armstrong
$244
Find similar
American Airlines
Oct 21
LCH6:00 amLake Charles
11h 54m
2 stops
IAD6:54 pmWashington, D.C. Dulles Intl
Oct 27
IAD6:11 amWashington, D.C. Dulles Intl
6h 33m
1 stop
LCH11:44 amLake Charles
$264
Find similar
American Airlines
Oct 14
SHV4:24 pmShreveport
5h 27m
1 stop
IAD10:51 pmWashington, D.C. Dulles Intl
Oct 18
IAD6:34 amWashington, D.C. Dulles Intl
7h 28m
1 stop
SHV1:02 pmShreveport
$271
Find similar

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

Our best United Airlines deals on Louisiana to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 30
MSY8:00 amNew Orleans Louis Armstrong
2h 30m
IAD11:30 amWashington, D.C. Dulles Intl
Sep 3
IAD5:33 pmWashington, D.C. Dulles Intl
2h 40m
MSY7:13 pmNew Orleans Louis Armstrong
$139
Find similar
United Airlines
Sep 3
MSY10:15 amNew Orleans Louis Armstrong
5h 08m
1 stop
IAD4:23 pmWashington, D.C. Dulles Intl
Sep 10
IAD5:33 pmWashington, D.C. Dulles Intl
2h 40m
MSY7:13 pmNew Orleans Louis Armstrong
$145
Find similar
United Airlines
Aug 25
MSY12:40 pmNew Orleans Louis Armstrong
2h 29m
IAD4:09 pmWashington, D.C. Dulles Intl
Aug 27
IAD5:33 pmWashington, D.C. Dulles Intl
2h 40m
MSY7:13 pmNew Orleans Louis Armstrong
$154
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisiana 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 agosto 7, 2025.
Use the filters below to find and compare flights from Louisiana 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

sáb. 8/30

8:00 am-11:30 am

Nonstop2h 30m

Washington, D.C. Dulles Intl

mié. 9/3

5:33 pm-7:13 pm

Nonstop2h 40m

$139

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mié. 9/3

10:15 am-4:23 pm

1 stop5h 08m

Washington, D.C. Dulles Intl

mié. 9/10

5:33 pm-7:13 pm

Nonstop2h 40m

$145

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 9/25

4:51 pm-12:15 am

1 stop6h 24m

Washington, D.C. Dulles Intl

lun. 9/29

6:10 am-3:57 pm

1 stop10h 47m

$176

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mié. 9/10

7:50 am-4:15 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

lun. 9/15

2:10 pm-11:40 pm

1 stop10h 30m

$180

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 8/21

1:35 pm-12:16 am

1 stop9h 41m

Washington, D.C. Dulles Intl

dom. 8/24

6:10 am-12:05 pm

1 stop6h 55m

$199

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 9/4

5:00 am-1:20 pm

1 stop7h 20m

Washington, D.C. Dulles Intl

dom. 9/7

7:40 am-4:40 pm

1 stop10h 00m

$216

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

sáb. 8/30

12:38 pm-6:49 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

mié. 9/3

12:20 pm-3:58 pm

1 stop4h 38m

$217

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 8/28

6:25 am-2:31 pm

1 stop7h 06m

Washington, D.C. Dulles Intl

mié. 9/3

12:20 pm-5:53 pm

1 stop6h 33m

$240

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

sáb. 11/8

5:15 am-10:28 pm

1 stop16h 13m

Washington, D.C. Dulles Intl

dom. 11/23

1:58 pm-5:48 pm

1 stop4h 50m

$244

Lake CharlesWashington, D.C.

LCH - IAD

LCHIAD

Lake Charles

mar. 10/21

6:00 am-6:54 pm

2 stops11h 54m

Washington, D.C. Dulles Intl

lun. 10/27

6:11 am-11:44 am

1 stop6h 33m

$264

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 Louisiana 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, August is the cheapest month to fly from Louisiana 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 $289. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $314.

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

Our data shows that Friday 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 $736. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Louisiana to Washington, D.C. Dulles Intl Airport for around $1,027.

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 Louisiana 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 $1,032 on average. Flights to Washington, D.C. Dulles Intl Airport from Louisiana in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Louisiana to Washington, D.C. Dulles Intl flight route?

Fly from New Orleans Louis Armstrong to Washington, D.C. Dulles Intl for the best Louisiana - 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 Louisiana 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 $337 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 Louisiana for as low as $249 on momondo.

What cabin class options are available on Louisiana to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Louisiana 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 Louisiana to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 26% on your flight if you consider stops on a Louisiana to Washington, D.C. Dulles Intl Airport flight.

Cheap Louisiana to Washington, D.C. Dulles Intl Airport flight deals and tips

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

Best Price Found

$70

Fastest flight time

2h 25m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Louisiana in the past 72 hours is $70. The best round-trip flight deal from Louisiana to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $139.
The fastest flight from Louisiana to Washington, D.C. Dulles Intl Airport takes 2h 25m
Direct flights go from Louisiana to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

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

    Prices for flights from Louisiana to Washington, D.C. Dulles Intl Airport refresh daily.

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

  • How old do you have to be to fly from Louisiana to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisiana to Washington, D.C. Dulles Intl Airport.

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

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Louisiana to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $134Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
8,917 reviews
Search United Airlines flights

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

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisiana to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Washington, D.C. from Louisiana on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Louisiana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Louisiana. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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