HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$96+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$296

Good round-trip deal

$402 or less

Good one-way deal

$187 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Washington, D.C. (WAS) flights.
Search Deals
From Louisiana to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Louisiana to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Louisiana to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Louisiana to Washington, D.C. Dulles Intl.
Search Deals

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 October 14, 2025.

This Frontier deal was found by Cheapflights users on 10/14. 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.
Mon 10/205:32 pmMSY - IAD
1 stop4h 46mFrontier
Mon 10/276:15 amIAD - MSY
1 stop11h 22mFrontier
Deal found 10/14$197
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/123:21 pmMSY - IAD
1 stop24h 13mMultiple Airlines
Wed 11/198:40 amIAD - MSY
1 stop26h 44mMultiple Airlines
Deal found 10/13$198
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:41 amMSY - IAD
2 stops12h 05mMultiple Airlines
Sat 10/257:15 amIAD - MSY
1 stop10h 16mMultiple Airlines
Deal found 10/14$200
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:41 amMSY - IAD
2 stops12h 05mMultiple Airlines
Mon 10/276:15 amIAD - MSY
1 stop11h 22mMultiple Airlines
Deal found 10/14$205
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:20 amMSY - IAD
1 stop25h 15mMultiple Airlines
Mon 12/153:50 pmIAD - MSY
2 stops8h 55mMultiple Airlines
Deal found 10/14$207
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Tue 11/112:14 pmMSY - IAD
1 stop6h 58mUnited Airlines
Tue 11/188:22 amIAD - MSY
Nonstop2h 52mUnited Airlines
Deal found 10/14$215
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:32 pmMSY - IAD
1 stop4h 50mMultiple Airlines
Wed 10/298:47 amIAD - MSY
2 stops24h 20mMultiple Airlines
Deal found 10/14$218
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/184:17 pmMSY - IAD
1 stop7h 02mFrontier
Thu 12/256:00 amIAD - MSY
1 stop10h 17mFrontier
Deal found 10/13$219
This Delta deal was found by Cheapflights users on 10/14. 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.
Tue 11/411:17 amMSY - IAD
1 stop7h 01mDelta
Wed 11/57:05 amIAD - MSY
1 stop4h 40mDelta
Deal found 10/14$225
This Southwest deal was found by Cheapflights users on 10/14. 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.
Wed 11/127:20 amMSY - IAD
1 stop8h 45mSouthwest
Thu 11/131:50 pmIAD - MSY
1 stop11h 45mSouthwest
Deal found 10/14$230
This Kiwi.com deal was found by Cheapflights users on 10/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:17 pmMSY - IAD
1 stop7h 02mFrontier
Thu 12/256:00 amIAD - MSY
1 stop10h 17mFrontier
Deal found 10/13$231
This Delta deal was found by Cheapflights users on 10/14. 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.
Thu 11/133:32 pmLFT - IAD
1 stop5h 00mDelta
Sun 11/166:00 amIAD - LFT
1 stop6h 04mDelta
Deal found 10/14$259

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 October 14, 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

Wed 11/12

8:00 am-11:25 am

Nonstop2h 25m

Washington, D.C. Dulles Intl

Wed 11/19

8:22 am-10:14 am

Nonstop2h 52m

$205

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 11/4

5:20 am-11:31 am

1 stop5h 11m

Washington, D.C. Dulles Intl

Tue 11/4

3:33 pm-8:17 pm

1 stop5h 44m

$225

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 12/16

6:22 am-11:35 am

1 stop4h 13m

Washington, D.C. Dulles Intl

Thu 12/18

7:01 am-10:58 am

1 stop4h 57m

$225

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 10/31

4:52 pm-11:18 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Tue 11/4

7:05 am-10:45 am

1 stop4h 40m

$238

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 1/8

2:50 pm-9:17 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Sun 1/11

5:26 pm-10:57 pm

1 stop6h 31m

$259

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Fri 12/12

1:44 pm-10:59 pm

1 stop8h 15m

Washington, D.C. Dulles Intl

Sun 12/14

4:40 pm-9:57 pm

1 stop6h 17m

$259

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 12/11

12:30 pm-3:55 pm

Nonstop2h 25m

Washington, D.C. Dulles Intl

Mon 12/15

8:45 am-2:50 pm

1 stop7h 05m

$259

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Wed 2/18

3:10 pm-9:13 pm

1 stop5h 03m

Washington, D.C. Dulles Intl

Sat 2/21

7:00 am-10:36 am

1 stop4h 36m

$259

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Fri 12/12

5:27 pm-12:13 am

1 stop5h 46m

Washington, D.C. Dulles Intl

Sun 12/14

10:08 am-4:47 pm

1 stop7h 39m

$259

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Thu 11/13

3:32 pm-9:32 pm

1 stop5h 00m

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-11:04 am

1 stop6h 04m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 57 results
1
2
3
...
6

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, May is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $111). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $251). 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 October 14, 2025.

One of the essential ways to save on airfare from Louisiana to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 47% on airfare.

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 October 14, 2025.

The most flights from USLA to IAD are scheduled on a Monday (10 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Louisiana to Washington, D.C. Dulles Intl Airport?

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.

  • How long is the flight from Louisiana to Washington, D.C. Dulles Intl Airport?

    For as low as $205, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Louisiana in 2h 25m. There are 954 mi between Louisiana and Washington, D.C. Dulles Intl Airport. This flight may include one or multiple stops.

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

    When deciding which route to take from Louisiana to Washington, D.C. Dulles Intl Airport consider New Orleans Louis Armstrong - Washington, D.C. Dulles Intl, Baton Rouge Ryan - Washington, D.C. Dulles Intl or Lafayette Regional - Washington, D.C. Dulles Intl as they are the most popular.

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

    Consider ITA Airways (100%), Mesa Airlines (100%) or Republic Airways (100%) 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 $476 for a flight from Louisiana to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $102 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $145.

  • 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, May is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $111). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $251). 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Arlington
Tysons
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

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.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Baltimore flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Baltimore flights
Los Angeles to Baltimore flights
O'Hare Intl to Dulles Intl flights
Boston to Reagan-National flights
Hobby to Baltimore flights
Los Angeles to Dulles Intl flights
Atlanta to Dulles Intl flights
Seattle to Reagan-National flights
Atlanta to Reagan-National flights
Hobby to Dulles Intl flights
Atlanta to Baltimore flights
Boston to Dulles Intl flights
Seattle to Dulles Intl flights
Orlando to Reagan-National flights
San Francisco to Reagan-National flights
Detroit to Dulles Intl flights
Tampa to Dulles Intl flights
Minneapolis to Reagan-National flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Miami to Reagan-National flights
Orlando to Dulles Intl flights
Minneapolis to Dulles Intl flights
San Francisco to Dulles Intl flights
John F Kennedy Intl to Dulles Intl flights
Denver to Baltimore flights
Austin to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Minneapolis to Baltimore flights
George Bush Intcntl to Reagan-National flights
Orlando to Baltimore flights
Midway to Dulles Intl flights
Tampa to Baltimore flights
Tampa to Reagan-National flights
Detroit to Baltimore flights
Sky Harbor Intl to Dulles Intl flights
Detroit to Reagan-National flights
Love Field to Reagan-National flights
Midway to Baltimore flights
Fort Lauderdale to Baltimore flights
John F Kennedy Intl to Reagan-National flights
Denver to Dulles Intl flights
Newark to Dulles Intl flights

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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$423FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$219Average$344FlexibilityNo 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.