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Cheap flights from Louisiana to Washington, D.C. from $85

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 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisiana to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:55 pm - 11:28 am
MSY
-
IAD
17h 33m1 stop
Multiple Airlines Logo
10:03 am - 9:29 pm
IAD
-
MSY
12h 26m2 stops
$176Multiple Airlines
Thu, Jan 8 - Sat, Jan 10
Multiple Airlines Logo
12:52 pm - 7:58 pm
MSY
-
IAD
6h 06m1 stop
Multiple Airlines Logo
5:33 pm - 9:29 pm
IAD
-
MSY
28h 56m2 stops
$185Multiple Airlines
Fri, Jan 16 - Fri, Feb 6
Frontier Logo
7:35 pm - 7:20 am
MSY
-
IAD
10h 45m1 stop
Frontier Logo
12:56 pm - 2:53 pm
IAD
-
MSY
2h 57mnonstop
$210Frontier
Thu, Feb 12 - Mon, Feb 16
Frontier Logo
7:01 pm - 7:40 am
MSY
-
IAD
11h 39m2 stops
Frontier Logo
8:35 am - 2:44 pm
IAD
-
MSY
7h 09m1 stop
$211Frontier
Sat, Jan 10 - Mon, Jan 12
United Airlines Logo
12:40 pm - 4:06 pm
MSY
-
IAD
2h 26mnonstop
United Airlines Logo
5:42 pm - 7:45 pm
IAD
-
MSY
3h 03mnonstop
$231United Airlines
Tue, Jan 6 - Tue, Jan 13
Delta Logo
5:00 pm - 12:24 am
AEX
-
IAD
6h 24m1 stop
Delta Logo
7:15 am - 11:04 am
IAD
-
AEX
4h 49m1 stop
$238Delta
Wed, Jan 28 - Sun, Feb 1
Delta Logo
11:21 am - 5:17 pm
LFT
-
IAD
4h 56m1 stop
Delta Logo
7:15 am - 1:47 pm
IAD
-
LFT
7h 32m1 stop
$238Delta
Thu, Jan 15 - Mon, Jan 19
United Airlines Logo
2:15 pm - 10:16 pm
SHV
-
IAD
7h 01m1 stop
United Airlines Logo
8:15 am - 1:10 pm
IAD
-
SHV
5h 55m1 stop
$259United Airlines
Mon, Feb 16 - Tue, Feb 24
American Airlines Logo
2:23 pm - 9:17 pm
AEX
-
IAD
5h 54m1 stop
American Airlines Logo
6:00 am - 1:53 pm
IAD
-
AEX
8h 53m1 stop
$259American Airlines
Wed, Jan 28 - Sun, Feb 1
American Airlines Logo
2:50 pm - 9:17 pm
LFT
-
IAD
5h 27m1 stop
American Airlines Logo
5:26 pm - 10:57 pm
IAD
-
LFT
6h 31m1 stop
$259American Airlines
Wed, Jan 28 - Sun, Feb 1

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

Our best Frontier deals on Louisiana to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Feb 12
MSY7:35 pmNew Orleans Louis Armstrong
10h 45m
1 stop
IAD7:20 amWashington, D.C. Dulles Intl
Feb 16
IAD12:56 pmWashington, D.C. Dulles Intl
2h 57m
MSY2:53 pmNew Orleans Louis Armstrong
$210
Find similar
Frontier
Jan 10
MSY7:01 pmNew Orleans Louis Armstrong
11h 39m
2 stops
IAD7:40 amWashington, D.C. Dulles Intl
Jan 12
IAD8:35 amWashington, D.C. Dulles Intl
7h 09m
1 stop
MSY2:44 pmNew Orleans Louis Armstrong
$211
Find similar
Frontier
Mar 6
MSY10:46 amNew Orleans Louis Armstrong
6h 57m
1 stop
IAD6:43 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:37 pmWashington, D.C. Dulles Intl
16h 16m
1 stop
MSY10:53 amNew Orleans Louis Armstrong
$245
Find similar

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

Our best Delta deals on Louisiana to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 15
LFT11:21 amLafayette Regional
4h 56m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
Jan 19
IAD7:15 amWashington, D.C. Dulles Intl
7h 32m
1 stop
LFT1:47 pmLafayette Regional
$238
Find similar
Delta
Jan 7
AEX5:00 pmAlexandria
5h 37m
1 stop
IAD11:37 pmWashington, D.C. Dulles Intl
Jan 14
IAD12:09 pmWashington, D.C. Dulles Intl
5h 00m
1 stop
AEX4:09 pmAlexandria
$240
Find similar
Delta
Jan 6
MSY11:50 amNew Orleans Louis Armstrong
4h 27m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
Jan 10
IAD6:20 amWashington, D.C. Dulles Intl
4h 54m
1 stop
MSY10:14 amNew Orleans Louis Armstrong
$251
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 December 11, 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

Thu 1/8

4:55 pm-11:28 am

1 stop17h 33m

Washington, D.C. Dulles Intl

Sat 1/10

10:03 am-9:29 pm

2 stops12h 26m

$176

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 1/16

12:52 pm-7:58 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Fri 2/6

5:33 pm-9:29 pm

2 stops28h 56m

$185

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 2/12

7:35 pm-7:20 am

1 stop10h 45m

Washington, D.C. Dulles Intl

Mon 2/16

12:56 pm-2:53 pm

Nonstop2h 57m

$210

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sat 1/10

7:01 pm-7:40 am

2 stops11h 39m

Washington, D.C. Dulles Intl

Mon 1/12

8:35 am-2:44 pm

1 stop7h 09m

$211

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 1/6

12:40 pm-4:06 pm

Nonstop2h 26m

Washington, D.C. Dulles Intl

Tue 1/13

5:42 pm-7:45 pm

Nonstop3h 03m

$231

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Wed 1/28

5:00 pm-12:24 am

1 stop6h 24m

Washington, D.C. Dulles Intl

Sun 2/1

7:15 am-11:04 am

1 stop4h 49m

$238

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 1/15

11:21 am-5:17 pm

1 stop4h 56m

Washington, D.C. Dulles Intl

Mon 1/19

7:15 am-1:47 pm

1 stop7h 32m

$238

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Mon 2/16

2:15 pm-10:16 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 2/24

8:15 am-1:10 pm

1 stop5h 55m

$259

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Wed 1/28

2:23 pm-9:17 pm

1 stop5h 54m

Washington, D.C. Dulles Intl

Sun 2/1

6:00 am-1:53 pm

1 stop8h 53m

$259

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Wed 1/28

2:50 pm-9:17 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Sun 2/1

5:26 pm-10:57 pm

1 stop6h 31m

$259

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 $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 $782. 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 $1,010.

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 $1,005 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 $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 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?

No. A direct flight is the cheapest option for a flight between Louisiana to Washington, D.C. Dulles Intl Airport.

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

$201

Fastest flight time

2h 24m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Louisiana in the past 72 hours is $201. The best round-trip flight deal from Louisiana to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $433.
The fastest flight from Louisiana to Washington, D.C. Dulles Intl Airport takes 2h 24m
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
7.9
8,007 reviews
Search Delta flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $212Free CancellationRating
7.4
9,095 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
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 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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