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

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Louisiana according to our data. United Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 3 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Washington, D.C. Dulles Intl Airport?

Flight times from Louisiana to Washington, D.C. Dulles Intl Airport vary, but if you’re flying out of New Orleans and flying into Washington, D.C. Dulles Intl Airport (one of the most popular routes), then the duration is 2h 25m on average. Another popular route from Louisiana to Washington, D.C. Dulles Intl Airport is flying from Baton Rouge to Washington, D.C. Dulles Intl Airport, which will take roughly 3h 57m. Keep in mind that layovers or delays could extend your travel time.

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

There are 3 operators available for flights from Louisiana to Washington, D.C. Dulles Intl Airport as of February 2026.

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.

$121 Cheap Flights from Louisiana to Washington, D.C. Dulles Intl Airport in 2026

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

4 flights are operational daily from Louisiana to Washington, D.C. Dulles Intl Airport as of February 2026. The most popular departure time for this route is 12:00PM, with 60% of flights per day taking off in the afternoon.

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

As of February 2026, there are 28 flights per week flying from Louisiana to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Thu, with 32% of flights taking off on this day.

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

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:37 pm - 12:31 am

MSY

IAD

7h 54m

1 stop

5:05 am - 6:15 pm

IAD

MSY

14h 10m

2 stops

$219Multiple Airlines

Sat, Mar 7 - Sat, Mar 14

8:01 pm - 7:20 am

MSY

IAD

10h 19m

1 stop

6:20 am - 10:53 am

IAD

MSY

5h 33m

1 stop

$220Multiple Airlines

Wed, Mar 18 - Sun, Mar 22

9:52 pm - 7:24 am

MSY

IAD

8h 32m

1 stop

6:20 am - 10:51 am

IAD

MSY

5h 31m

1 stop

$224Frontier

Fri, Mar 6 - Mon, Mar 16

9:12 pm - 7:24 am

MSY

IAD

9h 12m

1 stop

6:00 am - 10:32 am

IAD

MSY

5h 32m

1 stop

$225Frontier

Sun, Mar 29 - Wed, Apr 1

8:00 am - 11:25 am

MSY

IAD

2h 25mnonstop

5:50 pm - 7:48 pm

IAD

MSY

2h 58mnonstop

$228United Airlines

Thu, Mar 12 - Mon, Mar 16

10:03 am - 4:31 pm

AEX

IAD

5h 28m

1 stop

5:37 pm - 11:14 pm

IAD

AEX

6h 37m

1 stop

$248American Airlines

Tue, Feb 24 - Sat, Feb 28

10:03 am - 4:31 pm

AEX

IAD

5h 28m

1 stop

2:03 pm - 11:14 pm

IAD

AEX

10h 11m

2 stops

$254American Airlines

Tue, Feb 24 - Sat, Feb 28

4:07 pm - 10:36 pm

LFT

IAD

5h 29m

1 stop

6:00 am - 11:25 am

IAD

LFT

6h 25m

1 stop

$279United Airlines

Tue, Mar 10 - Mon, Mar 16

12:34 pm - 8:46 pm

SHV

IAD

7h 12m

1 stop

3:35 pm - 7:59 pm

IAD

SHV

5h 24m

1 stop

$279Delta

Tue, Mar 10 - Tue, Mar 17

5:20 pm - 12:09 am

MLU

IAD

5h 49m

1 stop

6:00 am - 11:55 am

IAD

MLU

6h 55m

1 stop

$288Delta

Fri, Jun 19 - Wed, Jun 24

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

Feb 24

AEX10:03 amAlexandria

5h 28m

1 stop

IAD4:31 pmWashington, D.C. Dulles Intl

Feb 28

IAD5:37 pmWashington, D.C. Dulles Intl

6h 37m

1 stop

AEX11:14 pmAlexandria

$248

American Airlines

Feb 24

AEX10:03 amAlexandria

5h 28m

1 stop

IAD4:31 pmWashington, D.C. Dulles Intl

Feb 28

IAD2:03 pmWashington, D.C. Dulles Intl

10h 11m

2 stops

AEX11:14 pmAlexandria

$254

American Airlines

Apr 18

MSY2:45 pmNew Orleans Louis Armstrong

8h 14m

2 stops

IAD11:59 pmWashington, D.C. Dulles Intl

May 5

IAD5:59 pmWashington, D.C. Dulles Intl

5h 48m

1 stop

MSY10:47 pmNew Orleans Louis Armstrong

$256

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

Mar 6

MSY9:52 pmNew Orleans Louis Armstrong

8h 32m

1 stop

IAD7:24 amWashington, D.C. Dulles Intl

Mar 16

IAD6:20 amWashington, D.C. Dulles Intl

5h 31m

1 stop

MSY10:51 amNew Orleans Louis Armstrong

$224

Frontier

Mar 29

MSY9:12 pmNew Orleans Louis Armstrong

9h 12m

1 stop

IAD7:24 amWashington, D.C. Dulles Intl

Apr 1

IAD6:00 amWashington, D.C. Dulles Intl

5h 32m

1 stop

MSY10:32 amNew Orleans Louis Armstrong

$225

Frontier

Mar 20

MSY9:30 pmNew Orleans Louis Armstrong

8h 54m

1 stop

IAD7:24 amWashington, D.C. Dulles Intl

Mar 22

IAD6:20 amWashington, D.C. Dulles Intl

5h 33m

1 stop

MSY10:53 amNew Orleans Louis Armstrong

$230

momondo Fare Finder

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

Sat 3/7

3:37 pm-12:31 am

1 stop7h 54m

Washington, D.C. Dulles Intl

Sat 3/14

5:05 am-6:15 pm

2 stops14h 10m

$219

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 3/18

8:01 pm-7:20 am

1 stop10h 19m

Washington, D.C. Dulles Intl

Sun 3/22

6:20 am-10:53 am

1 stop5h 33m

$220

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 3/6

9:52 pm-7:24 am

1 stop8h 32m

Washington, D.C. Dulles Intl

Mon 3/16

6:20 am-10:51 am

1 stop5h 31m

$224

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Sun 3/29

9:12 pm-7:24 am

1 stop9h 12m

Washington, D.C. Dulles Intl

Wed 4/1

6:00 am-10:32 am

1 stop5h 32m

$225

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 3/12

8:00 am-11:25 am

Nonstop2h 25m

Washington, D.C. Dulles Intl

Mon 3/16

5:50 pm-7:48 pm

Nonstop2h 58m

$228

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Tue 2/24

10:03 am-4:31 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

Sat 2/28

5:37 pm-11:14 pm

1 stop6h 37m

$248

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Tue 2/24

10:03 am-4:31 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

Sat 2/28

2:03 pm-11:14 pm

2 stops10h 11m

$254

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Tue 3/10

4:07 pm-10:36 pm

1 stop5h 29m

Washington, D.C. Dulles Intl

Mon 3/16

6:00 am-11:25 am

1 stop6h 25m

$279

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Tue 3/10

12:34 pm-8:46 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Tue 3/17

3:35 pm-7:59 pm

1 stop5h 24m

$279

MonroeWashington, D.C.

MLU - IAD

MLUIAD

Monroe Huenefeld

Fri 6/19

5:20 pm-12:09 am

1 stop5h 49m

Washington, D.C. Dulles Intl

Wed 6/24

6:00 am-11:55 am

1 stop6h 55m

$288

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 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

Prices

Airlines

Other information

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 $766. When flying out on a Monday, 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 $936.

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 $829 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 $356 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 30% 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	$218
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 $218. The best round-trip flight deal from Louisiana to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $463.

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?
There are 3 operators available for flights from Louisiana to Washington, D.C. Dulles Intl Airport as of February 2026.
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?
Based on momondo bookings for flights between Louisiana and Washington, D.C. Dulles Intl Airport, the leading plane model is Boeing 737-900, making up 18.94% of the total bookings. Other popular models include Airbus A319 with 13.35%, Boeing 737 MAX 8 with 10.56%, and Boeing 737-800 with 8.70%.

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
Delta	PriceFrom $108	Free Cancellation	Rating 7.9 8,186 reviews	Search Delta flights
United Airlines	PriceFrom $213	Free Cancellation	Rating 7.4 9,283 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.2 11,275 reviews	Search American Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Tysons

Silver Spring

Towson

Fredericksburg

Gaithersburg

Rockville

Manassas

Springfield

Sterling

Fairfax

Linthicum Heights

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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Cheap flights from Louisiana to Washington, D.C. from $121

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 5/9. 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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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

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

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

See travel insights to Washington, D.C. from

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

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

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

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

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

Can stopping save me money on Louisiana to Washington, D.C. Dulles Intl Airport flights?

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

What airlines fly to Washington, D.C. Dulles Intl Airport?

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

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

How long does it take to fly 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

Fastest flight time

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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

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Why use momondo?

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

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

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

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

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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