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Cheap flights from Washington, D.C. Dulles Intl Airport to Louisiana from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Louisiana departing on 1/8. 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 Washington, D.C. Dulles Intl Airport to Louisiana

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:01 pm - 4:27 pm
IAD
-
MSY
22h 26m1 stop
Multiple Airlines Logo
5:00 pm - 11:28 am
MSY
-
IAD
17h 28m1 stop
$172Multiple Airlines
Wed, Dec 31 - Wed, Jan 7
Multiple Airlines Logo
3:00 pm - 9:54 pm
IAD
-
MSY
7h 54m1 stop
Multiple Airlines Logo
8:36 pm - 2:18 pm
MSY
-
IAD
16h 42m2 stops
$173Multiple Airlines
Sun, Jan 18 - Thu, Jan 22
Frontier Logo
9:58 pm - 1:14 pm
IAD
-
MSY
16h 16m1 stop
Frontier Logo
4:55 pm - 11:28 am
MSY
-
IAD
17h 33m1 stop
$179Frontier
Sun, Jan 4 - Thu, Jan 8
Frontier Logo
5:35 am - 4:27 pm
IAD
-
MSY
11h 52m1 stop
Frontier Logo
3:39 pm - 11:43 am
MSY
-
IAD
19h 04m2 stops
$180Frontier
Thu, Jan 1 - Mon, Jan 12
American Airlines Logo
5:46 pm - 11:01 pm
IAD
-
SHV
6h 15m1 stop
American Airlines Logo
7:00 am - 12:36 pm
SHV
-
IAD
4h 36m1 stop
$259American Airlines
Wed, Jan 7 - Sat, Jan 10
American Airlines Logo
6:00 am - 1:51 pm
IAD
-
MLU
8h 51m1 stop
American Airlines Logo
2:21 pm - 9:17 pm
MLU
-
IAD
5h 56m1 stop
$268American Airlines
Thu, Jan 15 - Tue, Jan 20
United Airlines Logo
6:08 am - 11:52 am
IAD
-
SHV
6h 44m1 stop
United Airlines Logo
2:00 pm - 8:49 pm
SHV
-
IAD
5h 49m1 stop
$279United Airlines
Thu, Jan 1 - Wed, Jan 7
Delta Logo
6:00 am - 11:09 am
IAD
-
LFT
6h 09m1 stop
Delta Logo
5:15 pm - 11:37 pm
LFT
-
IAD
5h 22m1 stop
$279Delta
Thu, Jan 1 - Tue, Jan 6
Delta Logo
6:15 pm - 10:21 pm
IAD
-
MLU
5h 06m1 stop
Delta Logo
6:15 am - 11:37 am
MLU
-
IAD
4h 22m1 stop
$288Delta
Fri, Jan 16 - Sun, Jan 18
United Airlines Logo
12:35 pm - 5:47 pm
IAD
-
SHV
6h 12m1 stop
United Airlines Logo
4:10 pm - 10:18 pm
SHV
-
IAD
5h 08m1 stop
$339United Airlines
Sat, Jan 10 - Wed, Jan 14

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets
Frontier
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
11h 10m
1 stop
MSY4:10 pmNew Orleans Louis Armstrong
Jan 9
MSY12:53 pmNew Orleans Louis Armstrong
19h 15m
1 stop
IAD9:08 amWashington, D.C. Dulles Intl
$208
Find similar
Frontier
Feb 14
IAD11:37 amWashington, D.C. Dulles Intl
6h 27m
1 stop
MSY5:04 pmNew Orleans Louis Armstrong
Feb 19
MSY6:10 amNew Orleans Louis Armstrong
9h 33m
1 stop
IAD4:43 pmWashington, D.C. Dulles Intl
$213
Find similar
Frontier
Feb 14
IAD11:37 amWashington, D.C. Dulles Intl
12h 00m
1 stop
MSY10:37 pmNew Orleans Louis Armstrong
Feb 18
MSY8:59 pmNew Orleans Louis Armstrong
18h 44m
2 stops
IAD4:43 pmWashington, D.C. Dulles Intl
$217
Find similar

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets
United Airlines
Jan 27
IAD5:42 pmWashington, D.C. Dulles Intl
3h 03m
MSY7:45 pmNew Orleans Louis Armstrong
Jan 28
MSY12:40 pmNew Orleans Louis Armstrong
2h 26m
IAD4:06 pmWashington, D.C. Dulles Intl
$231
Find similar
United Airlines
Jan 1
IAD5:45 pmWashington, D.C. Dulles Intl
3h 03m
MSY7:48 pmNew Orleans Louis Armstrong
Jan 7
MSY12:40 pmNew Orleans Louis Armstrong
2h 26m
IAD4:06 pmWashington, D.C. Dulles Intl
$240
Find similar
United Airlines
Jan 27
IAD5:42 pmWashington, D.C. Dulles Intl
3h 03m
MSY7:45 pmNew Orleans Louis Armstrong
Jan 28
MSY10:35 amNew Orleans Louis Armstrong
6h 00m
1 stop
IAD5:35 pmWashington, D.C. Dulles Intl
$241
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Louisiana 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 Washington, D.C. Dulles Intl Airport to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 12/31

7:01 pm-4:27 pm

1 stop22h 26m

New Orleans Louis Armstrong

Wed 1/7

5:00 pm-11:28 am

1 stop17h 28m

$172

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 1/18

3:00 pm-9:54 pm

1 stop7h 54m

New Orleans Louis Armstrong

Thu 1/22

8:36 pm-2:18 pm

2 stops16h 42m

$173

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 1/4

9:58 pm-1:14 pm

1 stop16h 16m

New Orleans Louis Armstrong

Thu 1/8

4:55 pm-11:28 am

1 stop17h 33m

$179

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 1/1

5:35 am-4:27 pm

1 stop11h 52m

New Orleans Louis Armstrong

Mon 1/12

3:39 pm-11:43 am

2 stops19h 04m

$180

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Wed 1/7

5:46 pm-11:01 pm

1 stop6h 15m

Shreveport

Sat 1/10

7:00 am-12:36 pm

1 stop4h 36m

$259

Washington, D.C.Monroe

IAD - MLU

IADMLU

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-1:51 pm

1 stop8h 51m

Monroe Huenefeld

Tue 1/20

2:21 pm-9:17 pm

1 stop5h 56m

$268

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Thu 1/1

6:08 am-11:52 am

1 stop6h 44m

Shreveport

Wed 1/7

2:00 pm-8:49 pm

1 stop5h 49m

$279

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

Thu 1/1

6:00 am-11:09 am

1 stop6h 09m

Lafayette Regional

Tue 1/6

5:15 pm-11:37 pm

1 stop5h 22m

$279

Washington, D.C.Monroe

IAD - MLU

IADMLU

Washington, D.C. Dulles Intl

Fri 1/16

6:15 pm-10:21 pm

1 stop5h 06m

Monroe Huenefeld

Sun 1/18

6:15 am-11:37 am

1 stop4h 22m

$288

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Sat 1/10

12:35 pm-5:47 pm

1 stop6h 12m

Shreveport

Wed 1/14

4:10 pm-10:18 pm

1 stop5h 08m

$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 Louisiana from

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

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 Louisiana?

In general, September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Louisiana. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $301. The month of July is another great option to travel to Louisiana, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $319.

What is the cheapest day to depart on your flight to Louisiana?

According to our data, Monday is the cheapest day to fly to Louisiana from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Monday departure recently was $335. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Friday is $416.

What is the cheapest time of day to depart on your flight to Louisiana?

The cheapest time of day to fly to Louisiana is in the morning when flights can be purchased for as low as $367. In contrast, the most expensive time of day to depart to Louisiana is at noon when prices are around $481.

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

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

How far in advance should I book a flight to Louisiana?

You are more likely to see cheaper flights to Louisiana from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisiana for around $367 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisiana from Washington, D.C. Dulles Intl Airport for as low as $306 on momondo.

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

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

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

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

Best Price Found

$118

Fastest flight time

2h 31m

Direct flights

Every day

Airports in Louisiana

31 airports
The best one-way flight to Louisiana from Washington, D.C. Dulles Intl Airport in the past 72 hours is $118. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Louisiana found on momondo in the last 72 hours is $317.
The fastest flight from Washington, D.C. Dulles Intl Airport to Louisiana takes 2h 31m
Direct flights go from Washington, D.C. Dulles Intl Airport to Louisiana every day.
There are 31 airports in Louisiana. From Washington, D.C. Dulles Intl Airport there are direct flights to New Orleans Louis Armstrong (MSY).
Search flight deals

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

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

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

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

    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 Washington, D.C. Dulles Intl Airport to Louisiana.

  • What documentation or ID do you need to fly to Louisiana?

    The travel and health documents you'll need for your trip to Louisiana may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Louisiana. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Louisiana with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $96Free CancellationRating
6.3
8,180 reviews
Search Spirit Airlines flights
DeltaPriceFrom $187Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $273Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Washington, D.C. to Louisiana flights to just show those with flexible booking policies.

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

Once all potential Washington, D.C. to Louisiana flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Washington, D.C. to Louisiana now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Louisiana and let you know when they change.

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