What airlines fly to Louisiana?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Louisiana from Washington, D.C. Dulles Intl Airport according to our data. United Airlines is the first choice among our users, with 77% of people opting to fly with this airline when traveling to Louisiana. Keep in mind that there are 5 different airlines that fly to Louisiana on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Louisiana?

United Airlines, Frontier, and Delta are the most popular carriers operating from Washington, D.C. Dulles Intl 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.

$115 Cheap Flights from Washington, D.C. Dulles Intl Airport to Louisiana in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Louisiana on average per day?

As of February 2026, there are 6 flights per day flying from Washington, D.C. Dulles Intl Airport to Louisiana. The most common time of day flights depart is 5:00PM, with 72% of flights taking off in the afternoon.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Louisiana on average per week?

As of February 2026, 48 flights take off from Washington, D.C. Dulles Intl Airport and land in Louisiana each week. The most common flight departure day for this route is Mon, with 19% of weekly flights taking off on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:06 am - 3:10 pm

IAD

BTR

6h 04m

1 stop

6:07 am - 11:52 am

BTR

IAD

4h 45m

1 stop

$229Delta

Wed, Mar 25 - Wed, Apr 1

3:53 pm - 8:36 pm

IAD

MSY

5h 43m

1 stop

5:50 pm - 11:06 pm

MSY

IAD

4h 16m

1 stop

$251American Airlines

Tue, Apr 28 - Tue, May 5

6:20 am - 10:51 am

IAD

MSY

5h 31m

1 stop

9:12 pm - 7:24 am

MSY

IAD

9h 12m

1 stop

$252Frontier

Mon, Mar 16 - Thu, Mar 19

6:00 am - 11:04 am

IAD

MSY

6h 04m

1 stop

8:00 am - 11:32 am

MSY

IAD

2h 32mnonstop

$253United Airlines

Mon, Apr 13 - Thu, Apr 16

5:37 pm - 10:58 pm

IAD

MSY

30h 21m

2 stops

8:36 pm - 7:20 am

MSY

IAD

9h 44m

1 stop

$254Multiple Airlines

Thu, Mar 5 - Wed, Mar 11

6:10 am - 6:58 pm

IAD

MSY

13h 48m

2 stops

8:13 pm - 7:32 am

MSY

IAD

10h 19m

1 stop

$255Multiple Airlines

Thu, Apr 23 - Sun, Apr 26

8:11 pm - 11:55 pm

IAD

MSY

4h 44m

1 stop

2:32 pm - 11:59 pm

MSY

IAD

8h 27m

2 stops

$256American Airlines

Wed, Apr 15 - Sat, Apr 18

5:50 pm - 7:48 pm

IAD

MSY

2h 58mnonstop

2:14 pm - 10:44 pm

MSY

IAD

7h 30m

1 stop

$259United Airlines

Wed, Mar 25 - Tue, Mar 31

6:20 am - 10:53 am

IAD

MSY

5h 33m

1 stop

9:12 pm - 7:24 am

MSY

IAD

9h 12m

1 stop

$260Frontier

Sun, Mar 15 - Sun, Mar 22

6:08 am - 10:03 am

IAD

SHV

4h 55m

1 stop

12:08 pm - 8:02 pm

SHV

IAD

6h 54m

1 stop

$279Delta

Wed, Jun 3 - Sat, Jun 6

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets

Delta

Mar 25

IAD10:06 amWashington, D.C. Dulles Intl

6h 04m

1 stop

BTR3:10 pmBaton Rouge Ryan

Apr 1

BTR6:07 amBaton Rouge Ryan

4h 45m

1 stop

IAD11:52 amWashington, D.C. Dulles Intl

$229

Delta

May 4

IAD6:00 amWashington, D.C. Dulles Intl

5h 18m

1 stop

MSY10:18 amNew Orleans Louis Armstrong

May 7

MSY6:20 amNew Orleans Louis Armstrong

6h 53m

1 stop

IAD2:13 pmWashington, D.C. Dulles Intl

$263

Delta

Mar 21

IAD5:25 pmWashington, D.C. Dulles Intl

7h 15m

1 stop

MSY11:40 pmNew Orleans Louis Armstrong

Mar 25

MSY1:17 pmNew Orleans Louis Armstrong

4h 16m

1 stop

IAD6:33 pmWashington, D.C. Dulles Intl

$269

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets

American Airlines

Apr 28

IAD3:53 pmWashington, D.C. Dulles Intl

5h 43m

1 stop

MSY8:36 pmNew Orleans Louis Armstrong

May 5

MSY5:50 pmNew Orleans Louis Armstrong

4h 16m

1 stop

IAD11:06 pmWashington, D.C. Dulles Intl

$251

American Airlines

Apr 15

IAD8:11 pmWashington, D.C. Dulles Intl

4h 44m

1 stop

MSY11:55 pmNew Orleans Louis Armstrong

Apr 18

MSY2:32 pmNew Orleans Louis Armstrong

8h 27m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

$256

American Airlines

Apr 17

IAD8:11 pmWashington, D.C. Dulles Intl

4h 44m

1 stop

MSY11:55 pmNew Orleans Louis Armstrong

Apr 25

MSY2:32 pmNew Orleans Louis Armstrong

8h 27m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

$262

momondo Fare Finder

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.Baton Rouge

IAD - BTR

IADBTR

Washington, D.C. Dulles Intl

Wed 3/25

10:06 am-3:10 pm

1 stop6h 04m

Baton Rouge Ryan

Wed 4/1

6:07 am-11:52 am

1 stop4h 45m

$229

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Tue 4/28

3:53 pm-8:36 pm

1 stop5h 43m

New Orleans Louis Armstrong

Tue 5/5

5:50 pm-11:06 pm

1 stop4h 16m

$251

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 3/16

6:20 am-10:51 am

1 stop5h 31m

New Orleans Louis Armstrong

Thu 3/19

9:12 pm-7:24 am

1 stop9h 12m

$252

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Mon 4/13

6:00 am-11:04 am

1 stop6h 04m

New Orleans Louis Armstrong

Thu 4/16

8:00 am-11:32 am

Nonstop2h 32m

$253

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 3/5

5:37 pm-10:58 pm

2 stops30h 21m

New Orleans Louis Armstrong

Wed 3/11

8:36 pm-7:20 am

1 stop9h 44m

$254

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Thu 4/23

6:10 am-6:58 pm

2 stops13h 48m

New Orleans Louis Armstrong

Sun 4/26

8:13 pm-7:32 am

1 stop10h 19m

$255

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 4/15

8:11 pm-11:55 pm

1 stop4h 44m

New Orleans Louis Armstrong

Sat 4/18

2:32 pm-11:59 pm

2 stops8h 27m

$256

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Wed 3/25

5:50 pm-7:48 pm

Nonstop2h 58m

New Orleans Louis Armstrong

Tue 3/31

2:14 pm-10:44 pm

1 stop7h 30m

$259

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

Sun 3/15

6:20 am-10:53 am

1 stop5h 33m

New Orleans Louis Armstrong

Sun 3/22

9:12 pm-7:24 am

1 stop9h 12m

$260

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

Wed 6/3

6:08 am-10:03 am

1 stop4h 55m

Shreveport

Sat 6/6

12:08 pm-8:02 pm

1 stop6h 54m

$279

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $297. 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, Tuesday is the cheapest day to fly to Louisiana from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Tuesday departure recently was $319. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to Louisiana on Thursday is $403.

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 $364. In contrast, the most expensive time of day to depart to Louisiana is at noon when prices are around $490.

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 $368 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 $299 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	$175
Fastest flight time	2h 35m
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 $175. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Louisiana found on momondo in the last 72 hours is $311.

The fastest flight from Washington, D.C. Dulles Intl Airport to Louisiana takes 2h 35m

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?
The number of operators available for flights from Washington, D.C. Dulles Intl Airport to Louisiana is 5 as of February 2026.
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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Louisiana, the leading plane model is Boeing 737-900, making up 21.52% of the total bookings. Other popular models include Boeing 737 MAX 8 with 18.97%, Airbus A319 with 11.57%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 7.95%.

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 Airlines	PriceFrom $96	Free Cancellation	Rating 6.3 8,492 reviews	Search Spirit Airlines flights
Delta	PriceFrom $125	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
Frontier	PriceFrom $130	Free Cancellation	Rating 5.7 3,041 reviews	Search Frontier flights
United Airlines	PriceFrom $226	Free Cancellation	Rating 7.4 9,362 reviews	Search United Airlines flights
American Airlines	PriceFrom $273	Free Cancellation	Rating 7.1 11,367 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.

An easier way to manage your Louisiana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 3/30

Mon 4/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Louisiana

Popular cities

Other flights from Washington, D.C. Dulles Intl Airport

Other flights to Louisiana

Airlines

Complete your trip

Feeling lucky

Popular cities in Louisiana

Flights to New Yorkfrom $56

Flights to Los Angelesfrom $54

Flights to Miamifrom $49

Flights to Orlandofrom $56

Flights to Chicagofrom $53

Flights to San Franciscofrom $50

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $56

Flights to Bostonfrom $75

Flights to Atlantafrom $49

Flights to Dallasfrom $54

Flights to Seattlefrom $48

Cheap flights from Washington, D.C. Dulles Intl Airport to Louisiana from $116

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Louisiana flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisiana that are best for you.

See travel insights to Louisiana from

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

What is the cheapest month to fly to Louisiana?

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

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

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

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Louisiana?

What airlines fly to Louisiana?

How many flights depart from Washington, D.C. Dulles Intl Airport to Louisiana on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Louisiana on average per week?

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

Fastest flight time

Direct flights

Airports in 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

Why use momondo?

An easier way to manage your Louisiana trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Louisiana

Popular cities in Louisiana

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

According to popular flight searches on momondo this year

Louisiana flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Louisiana

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Louisiana

Explore popular destinations other users love

According to popular flight searches on momondo this year