Cheap flights from Louisiana to Washington, D.C. from $113

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 7/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:02 pm - 12:28 am
MSY
-
IAD
6h 26m
1 stop
Frontier Logo
7:00 am - 4:07 pm
IAD
-
MSY
10h 07m
1 stop
$224Frontier
Fri, Oct 16 - Mon, Oct 19
Delta Logo
5:30 am - 11:59 am
MSY
-
IAD
5h 29m
1 stop
Delta Logo
4:00 pm - 8:42 pm
IAD
-
MSY
5h 42m
1 stop
$227Delta
Wed, Oct 21 - Sat, Oct 24
Frontier Logo
5:02 pm - 12:28 am
MSY
-
IAD
6h 26m
1 stop
Frontier Logo
7:00 am - 4:07 pm
IAD
-
MSY
10h 07m
1 stop
$228Frontier
Fri, Oct 23 - Mon, Oct 26
Frontier Logo
5:07 pm - 10:55 pm
MSY
-
IAD
4h 48m
1 stop
Frontier Logo
7:49 am - 4:07 pm
IAD
-
MSY
9h 18m
1 stop
$230Frontier
Tue, Jul 21 - Thu, Jul 23
United Airlines Logo
3:43 pm - 10:43 pm
MSY
-
IAD
6h 00m
1 stop
United Airlines Logo
6:00 pm - 7:48 pm
IAD
-
MSY
2h 48mnonstop
$232United Airlines
Thu, Aug 6 - Tue, Aug 11
Frontier Logo
5:02 pm - 12:28 am
MSY
-
IAD
6h 26m
1 stop
Frontier Logo
7:00 am - 4:07 pm
IAD
-
MSY
10h 07m
1 stop
$234Frontier
Wed, Oct 21 - Sat, Oct 24
Delta Logo
6:07 am - 11:33 am
BTR
-
IAD
4h 26m
1 stop
Delta Logo
8:28 am - 12:47 pm
IAD
-
BTR
5h 19m
1 stop
$265Delta
Wed, Aug 12 - Mon, Aug 17
United Airlines Logo
5:46 pm - 11:55 pm
SHV
-
IAD
5h 09m
1 stop
United Airlines Logo
6:30 am - 10:34 am
IAD
-
SHV
5h 04m
1 stop
$318United Airlines
Mon, Aug 31 - Sat, Sep 5
American Airlines Logo
12:32 pm - 8:56 pm
SHV
-
IAD
7h 24m
1 stop
American Airlines Logo
6:33 am - 10:35 am
IAD
-
SHV
5h 02m
1 stop
$338American Airlines
Sat, Aug 8 - Sun, Aug 16
American Airlines Logo
10:49 am - 6:27 pm
LFT
-
IAD
6h 38m
1 stop
American Airlines Logo
6:09 am - 1:41 pm
IAD
-
LFT
8h 32m
1 stop
$339American Airlines
Sat, Aug 22 - Sun, Aug 30

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

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
Aug 1
MSY6:53 amNew Orleans Louis Armstrong
4h 53m
1 stop
IAD12:46 pmWashington, D.C. Dulles Intl
Aug 4
IAD7:31 pmWashington, D.C. Dulles Intl
5h 27m
1 stop
MSY11:58 pmNew Orleans Louis Armstrong
$283
American Airlines
Sep 24
MSY8:00 amNew Orleans Louis Armstrong
8h 51m
1 stop
IAD5:51 pmWashington, D.C. Dulles Intl
Sep 28
IAD6:14 amWashington, D.C. Dulles Intl
4h 20m
1 stop
MSY9:34 amNew Orleans Louis Armstrong
$285
American Airlines
Aug 1
SHV12:17 pmShreveport
6h 19m
1 stop
IAD7:36 pmWashington, D.C. Dulles Intl
Aug 8
IAD7:57 amWashington, D.C. Dulles Intl
5h 05m
1 stop
SHV12:02 pmShreveport
$317

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
Oct 21
MSY5:30 amNew Orleans Louis Armstrong
5h 29m
1 stop
IAD11:59 amWashington, D.C. Dulles Intl
Oct 24
IAD4:00 pmWashington, D.C. Dulles Intl
5h 42m
1 stop
MSY8:42 pmNew Orleans Louis Armstrong
$227
Delta
Aug 8
MSY10:21 amNew Orleans Louis Armstrong
7h 57m
1 stop
IAD7:18 pmWashington, D.C. Dulles Intl
Aug 10
IAD5:47 pmWashington, D.C. Dulles Intl
6h 51m
1 stop
MSY11:38 pmNew Orleans Louis Armstrong
$242
Delta
Sep 24
MSY9:05 amNew Orleans Louis Armstrong
4h 07m
1 stop
IAD2:12 pmWashington, D.C. Dulles Intl
Sep 28
IAD8:00 amWashington, D.C. Dulles Intl
7h 21m
1 stop
MSY2:21 pmNew Orleans Louis Armstrong
$257

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 June 27, 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

Fri 10/16

5:02 pm-12:28 am

1 stop6h 26m

Washington, D.C. Dulles Intl

Mon 10/19

7:00 am-4:07 pm

1 stop10h 07m

$224

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 10/21

5:30 am-11:59 am

1 stop5h 29m

Washington, D.C. Dulles Intl

Sat 10/24

4:00 pm-8:42 pm

1 stop5h 42m

$227

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 10/23

5:02 pm-12:28 am

1 stop6h 26m

Washington, D.C. Dulles Intl

Mon 10/26

7:00 am-4:07 pm

1 stop10h 07m

$228

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 7/21

5:07 pm-10:55 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Thu 7/23

7:49 am-4:07 pm

1 stop9h 18m

$230
Quickest round-trip

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 8/6

3:43 pm-10:43 pm

1 stop6h 00m

Washington, D.C. Dulles Intl

Tue 8/11

6:00 pm-7:48 pm

Nonstop2h 48m

$232

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 10/21

5:02 pm-12:28 am

1 stop6h 26m

Washington, D.C. Dulles Intl

Sat 10/24

7:00 am-4:07 pm

1 stop10h 07m

$234

Baton RougeWashington, D.C.

BTR - IAD

BTRIAD

Baton Rouge Ryan

Wed 8/12

6:07 am-11:33 am

1 stop4h 26m

Washington, D.C. Dulles Intl

Mon 8/17

8:28 am-12:47 pm

1 stop5h 19m

$265

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Mon 8/31

5:46 pm-11:55 pm

1 stop5h 09m

Washington, D.C. Dulles Intl

Sat 9/5

6:30 am-10:34 am

1 stop5h 04m

$318

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

Sat 8/8

12:32 pm-8:56 pm

1 stop7h 24m

Washington, D.C. Dulles Intl

Sun 8/16

6:33 am-10:35 am

1 stop5h 02m

$338

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Sat 8/22

10:49 am-6:27 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sun 8/30

6:09 am-1:41 pm

1 stop8h 32m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, October 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 $131. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $145.

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

Our data shows that Friday 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 $638. 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 $1,009.

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 $757 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 $907 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 from Louisiana 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 $391 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 $270 on momondo.

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

There are 4 cabin classes available to choose from on Louisiana to Washington, D.C. Dulles Intl Airport 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 19% 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

$243

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 $243. The best round-trip flight deal from Louisiana to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $468.
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.

Frequently asked questions about flying from Louisiana to Washington, D.C. Dulles Intl Airport

  • 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
FrontierPriceFrom $154Free CancellationRating
5.6
2,860 reviews
Search Frontier flights
DeltaPriceFrom $206Free CancellationRating
7.8
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,898 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Sterling
Tysons
Springfield
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.

An easier way to manage your Washington, D.C. Dulles Intl Airport 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.
1 adult
Mon 7/27
Mon 8/3

Find better results for your trip to Washington, D.C.