Cheap flights from Louisiana to Washington, D.C. from $132

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 4/21. 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.
Frontier Logo
5:21 pm - 11:09 pm
MSY
-
IAD
4h 48m
1 stop
Frontier Logo
7:45 am - 4:21 pm
IAD
-
MSY
9h 36m
1 stop
$205Frontier
Sat, May 23 - Mon, Jun 1
Frontier Logo
5:49 pm - 6:42 pm
MSY
-
IAD
23h 53m
1 stop
Frontier Logo
1:38 pm - 2:49 pm
IAD
-
MSY
26h 11m
1 stop
$206Frontier
Sun, Jun 7 - Wed, Jun 10
Multiple Airlines Logo
8:01 pm - 10:11 am
MSY
-
IAD
13h 10m
1 stop
Multiple Airlines Logo
2:01 pm - 3:48 pm
IAD
-
MSY
26h 47m
2 stops
$211Multiple Airlines
Thu, Apr 9 - Sun, Apr 12
Multiple Airlines Logo
5:15 am - 12:36 am
MSY
-
IAD
18h 21m
2 stops
Multiple Airlines Logo
7:43 pm - 4:21 pm
IAD
-
MSY
21h 38m
1 stop
$214Multiple Airlines
Sat, May 2 - Mon, May 4
Delta Logo
4:45 pm - 12:42 am
AEX
-
IAD
6h 57m
1 stop
Delta Logo
3:08 pm - 9:15 pm
IAD
-
AEX
7h 07m
1 stop
$280Delta
Wed, May 6 - Sat, May 9
Delta Logo
5:43 pm - 12:51 am
MLU
-
IAD
6h 08m
1 stop
Delta Logo
8:05 am - 12:10 pm
IAD
-
MLU
5h 05m
1 stop
$286Delta
Wed, May 27 - Sat, May 30
American Airlines Logo
5:00 pm - 11:59 pm
SHV
-
IAD
5h 59m
1 stop
American Airlines Logo
6:20 am - 10:51 am
IAD
-
SHV
5h 31m
1 stop
$300American Airlines
Wed, May 20 - Wed, May 27
American Airlines Logo
5:00 pm - 11:59 pm
SHV
-
IAD
5h 59m
1 stop
American Airlines Logo
6:20 am - 10:51 am
IAD
-
SHV
5h 31m
1 stop
$323American Airlines
Wed, May 20 - Wed, May 27
United Airlines Logo
5:15 am - 11:33 am
LFT
-
IAD
5h 18m
1 stop
United Airlines Logo
6:00 am - 11:18 am
IAD
-
LFT
6h 18m
1 stop
$339United Airlines
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
5:20 am - 11:30 am
SHV
-
IAD
5h 10m
1 stop
United Airlines Logo
6:00 am - 1:22 pm
IAD
-
SHV
8h 22m
1 stop
$339United Airlines
Sun, May 10 - Sun, May 17

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
Apr 21
MSY8:00 amNew Orleans Louis Armstrong
2h 32m
IAD11:32 amWashington, D.C. Dulles Intl
Apr 28
IAD9:00 amWashington, D.C. Dulles Intl
2h 51m
MSY10:51 amNew Orleans Louis Armstrong
$243
United Airlines
May 13
MSY12:57 pmNew Orleans Louis Armstrong
7h 14m
1 stop
IAD9:11 pmWashington, D.C. Dulles Intl
May 19
IAD5:50 pmWashington, D.C. Dulles Intl
2h 54m
MSY7:44 pmNew Orleans Louis Armstrong
$249
United Airlines
May 27
MSY3:43 pmNew Orleans Louis Armstrong
7h 48m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
Jun 2
IAD8:02 pmWashington, D.C. Dulles Intl
2h 47m
MSY9:49 pmNew Orleans Louis Armstrong
$253

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
Apr 21
MSY10:26 amNew Orleans Louis Armstrong
7h 15m
1 stop
IAD6:41 pmWashington, D.C. Dulles Intl
Apr 28
IAD7:26 pmWashington, D.C. Dulles Intl
4h 33m
1 stop
MSY10:59 pmNew Orleans Louis Armstrong
$263
American Airlines
Apr 14
MSY5:30 amNew Orleans Louis Armstrong
8h 53m
2 stops
IAD3:23 pmWashington, D.C. Dulles Intl
Apr 15
IAD8:11 pmWashington, D.C. Dulles Intl
4h 44m
1 stop
MSY11:55 pmNew Orleans Louis Armstrong
$268
American Airlines
May 20
SHV5:00 pmShreveport
5h 59m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
May 27
IAD6:20 amWashington, D.C. Dulles Intl
5h 31m
1 stop
SHV10:51 amShreveport
$300

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 March 28, 2026.
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

Cheapest round-trip

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 5/23

5:21 pm-11:09 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Mon 6/1

7:45 am-4:21 pm

1 stop9h 36m

$205

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sun 6/7

5:49 pm-6:42 pm

1 stop23h 53m

Washington, D.C. Dulles Intl

Wed 6/10

1:38 pm-2:49 pm

1 stop26h 11m

$206

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 4/9

8:01 pm-10:11 am

1 stop13h 10m

Washington, D.C. Dulles Intl

Sun 4/12

2:01 pm-3:48 pm

2 stops26h 47m

$211

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 5/2

5:15 am-12:36 am

2 stops18h 21m

Washington, D.C. Dulles Intl

Mon 5/4

7:43 pm-4:21 pm

1 stop21h 38m

$214

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Wed 5/6

4:45 pm-12:42 am

1 stop6h 57m

Washington, D.C. Dulles Intl

Sat 5/9

3:08 pm-9:15 pm

1 stop7h 07m

$280
Quickest round-trip

MonroeWashington, D.C.

MLU - IAD

MLUIAD

Monroe Huenefeld

Wed 5/27

5:43 pm-12:51 am

1 stop6h 08m

Washington, D.C. Dulles Intl

Sat 5/30

8:05 am-12:10 pm

1 stop5h 05m

$286

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Wed 5/20

5:00 pm-11:59 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Wed 5/27

6:20 am-10:51 am

1 stop5h 31m

$300

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Wed 5/20

5:00 pm-11:59 pm

1 stop5h 59m

Washington, D.C. Dulles Intl

Wed 5/27

6:20 am-10:51 am

1 stop5h 31m

$323

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 4/23

5:15 am-11:33 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Thu 4/30

6:00 am-11:18 am

1 stop6h 18m

$339

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Sun 5/10

5:20 am-11:30 am

1 stop5h 10m

Washington, D.C. Dulles Intl

Sun 5/17

6:00 am-1:22 pm

1 stop8h 22m

$339

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, September 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 $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 $747. 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 $933.

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 in the morning is the least expensive time of day to depart. momondo users have found prices as low as $811 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 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 $371 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 $220 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 6% 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

$280

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 $280. The best round-trip flight deal from Louisiana to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $510.
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.
  • 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 $108Free CancellationRating
7.9
8,356 reviews
Search Delta flights
United AirlinesPriceFrom $219Free CancellationRating
7.4
9,499 reviews
Search United Airlines flights
American AirlinesPriceFrom $258Free CancellationRating
7.1
11,520 reviews
Search American 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

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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1 adult
Mon 4/27
Mon 5/4

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