Dulles Intl

$95+ Cheap flights from Louisiana to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
may. 6 — may. 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisiana to Dulles Intl

Keep the following information in mind while searching for Louisiana to Dulles Intl flight deals. Data was last updated mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$95
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$261

Good round-trip deal

$631 or less

Good one-way deal

$229 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Washington, D.C. (WAS) flights.
From Louisiana to Washington, D.C. Dulles Intl
One-way flight from Louisiana to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($12 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in May 2025
Price to beat on a round-trip flight from Louisiana to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Louisiana to Washington, D.C. Dulles Intl.

Find flight deals from Louisiana to Dulles Intl

Cheapest flights from Louisiana to Dulles Intl
Explore the most affordable flight options available from Louisiana to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/245:30 pmMSY - IAD
1 stop5h 28mUnited Airlines
jue. 5/298:30 amIAD - MSY
1 stop5h 46mUnited Airlines
Deal found 4/29$209
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/289:50 amMSY - IAD
1 stop3h 52mDelta
sáb. 5/316:00 pmIAD - MSY
1 stop5h 46mDelta
Deal found 4/29$217
This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2911:16 amMSY - IAD
1 stop10h 57mFrontier
jue. 6/55:50 amIAD - MSY
1 stop10h 36mFrontier
Deal found 4/29$218
This Sun Country Air deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/172:43 pmMSY - IAD
1 stop20h 46mSun Country Air
sáb. 7/2612:40 pmIAD - MSY
1 stop25h 56mSun Country Air
Deal found 4/30$255
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/201:57 pmMSY - IAD
2 stops9h 05mAmerican Airlines
mié. 5/216:17 amIAD - MSY
1 stop8h 01mAmerican Airlines
Deal found 4/29$256
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/235:30 pmSHV - IAD
1 stop4h 45mDelta
sáb. 8/305:30 pmIAD - SHV
1 stop6h 52mDelta
Deal found 4/29$283
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/2311:41 amSHV - IAD
2 stops11h 18mAmerican Airlines
sáb. 8/309:14 amIAD - SHV
1 stop6h 44mAmerican Airlines
Deal found 4/29$288
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/56:14 amMSY - IAD
2 stops37h 03mMultiple Airlines
sáb. 6/79:43 pmIAD - MSY
1 stop23h 01mMultiple Airlines
Deal found 4/29$302
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/2811:30 amMSY - IAD
2 stops10h 05mSouthwest
sáb. 5/315:05 amIAD - MSY
1 stop7h 10mSouthwest
Deal found 4/29$318
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/244:32 pmBTR - IAD
1 stop6h 30mAmerican Airlines
mar. 6/35:26 pmIAD - BTR
1 stop5h 26mAmerican Airlines
Deal found 4/30$325
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/306:59 pmBTR - IAD
1 stop4h 29mDelta
lun. 6/210:09 amIAD - BTR
1 stop5h 35mDelta
Deal found 4/30$340
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1112:40 pmMLU - IAD
1 stop5h 02mDelta
mar. 12/166:00 amIAD - MLU
1 stop6h 58mDelta
Deal found 4/30$348

Cheapflights Fare Finder

Customize your flight search to find flights from Louisiana to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 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

Louisiana

Fly to

Dulles Intl

Route

Depart

Return

Price

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

sáb. 5/24

5:30 pm-11:58 pm

1 stop5h 28m

Washington, D.C. Dulles Intl

jue. 5/29

8:30 am-1:16 pm

1 stop5h 46m

$209

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mié. 5/28

9:50 am-2:42 pm

1 stop3h 52m

Washington, D.C. Dulles Intl

sáb. 5/31

6:00 pm-10:46 pm

1 stop5h 46m

$217

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 5/29

11:16 am-11:13 pm

1 stop10h 57m

Washington, D.C. Dulles Intl

jue. 6/5

5:50 am-3:26 pm

1 stop10h 36m

$218

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 7/17

2:43 pm-12:29 pm

1 stop20h 46m

Washington, D.C. Dulles Intl

sáb. 7/26

12:40 pm-1:36 pm

1 stop25h 56m

$255

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mar. 5/20

1:57 pm-12:02 am

2 stops9h 05m

Washington, D.C. Dulles Intl

mié. 5/21

6:17 am-1:18 pm

1 stop8h 01m

$256

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

sáb. 8/23

5:30 pm-11:15 pm

1 stop4h 45m

Washington, D.C. Dulles Intl

sáb. 8/30

5:30 pm-11:22 pm

1 stop6h 52m

$283

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

sáb. 8/23

11:41 am-11:59 pm

2 stops11h 18m

Washington, D.C. Dulles Intl

sáb. 8/30

9:14 am-2:58 pm

1 stop6h 44m

$288

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 6/5

6:14 am-8:17 pm

2 stops37h 03m

Washington, D.C. Dulles Intl

sáb. 6/7

9:43 pm-7:44 pm

1 stop23h 01m

$302

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mié. 5/28

11:30 am-10:35 pm

2 stops10h 05m

Washington, D.C. Dulles Intl

sáb. 5/31

5:05 am-11:15 am

1 stop7h 10m

$318

Baton RougeWashington, D.C.

BTR - IAD

BTRIAD

Baton Rouge Ryan

sáb. 5/24

4:32 pm-12:02 am

1 stop6h 30m

Washington, D.C. Dulles Intl

mar. 6/3

5:26 pm-9:52 pm

1 stop5h 26m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Louisiana to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Louisiana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisiana to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Louisiana to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LA to IAD?

Find hourly flight availability from Louisiana to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 1, 2025.

When flying from Louisiana to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Louisiana to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Louisiana to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 1, 2025.

The most flights from USLA to IAD are scheduled on a Thursday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated mayo 1, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Louisiana to Washington, D.C. have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
8.0
Very good

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Boarding

8.2

Crew

8.6

Overall

8.0

Food

7.1

Entertainment

7.6

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Louisiana to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $95. Users have also found prices from $103 and $109 on Frontier and Delta, respectively.

  • What are the most popular routes from Louisiana to Washington, D.C. Dulles Intl Airport?

  • What are the most reliable airlines from Louisiana to Washington, D.C. Dulles Intl Airport?

    Consider Republic Airways (100%), United Airlines (94%) or Air Canada (94%) when booking your flight. These represent the most reliable airlines when flying from Louisiana to Washington, D.C. Dulles Intl Airport.

  • What are the cheapest flights from Louisiana to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $1,002 for a flight from Louisiana to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $124 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $199.

  • Can I find deals for flights from Louisiana to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Louisiana to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Dulles Intl.

  • Can I find deals for business class flights from Louisiana to Dulles Intl?

    Yes. Cheapflights offers flight deals from Louisiana to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisiana to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisiana?

Book flights to Louisiana if you plan to visit one of these locations
Alexandria
Arlington
Woodbridge
Tysons
Fairfax
Springfield
Rockville
Fredericksburg
Silver Spring
Gaithersburg
Linthicum Heights
Falls Church
Laurel
Easton
Towson
Herndon
Sterling
Bowie
National Harbor
Oxon Hill

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisiana to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Louisiana to Dulles Intl

Discover the top 3 airlines that operate flights from Louisiana to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$400FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$396FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$337FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.