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Dulles Intl

$87+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$173
(Kiwi.com)

One-way from

$87
(Super.com)

Popular in

February

Cheapest in

August

Average price

$265

Good round-trip deal

$387 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for New Orleans Louis Armstrong-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Washington, D.C. (WAS) flights.
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From Louisiana to Washington, D.C. Dulles Intl
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One-way flight from Louisiana to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Louisiana to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Louisiana to Washington, D.C. Dulles Intl.
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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 November 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/23. 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 12/155:22 pmMSY - IAD
1 stop4h 43mMultiple Airlines
Mon 12/229:58 pmIAD - MSY
1 stop26h 57mMultiple Airlines
Deal found 11/23$178
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 12/114:35 pmMSY - IAD
1 stop5h 35mMultiple Airlines
Mon 12/155:45 amIAD - MSY
1 stop15h 53mMultiple Airlines
Deal found 11/25$180
This Expedia deal was found by Cheapflights users on 11/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:22 pmMSY - IAD
1 stop4h 43mFrontier
Fri 12/125:45 amIAD - MSY
1 stop11h 42mFrontier
Deal found 11/23$187
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
Sat 12/64:58 pmMSY - IAD
1 stop5h 07mMultiple Airlines
Sat 12/135:45 amIAD - MSY
1 stop16h 12mMultiple Airlines
Deal found 11/23$189
This Kiwi.com deal was found by Cheapflights users on 11/25. 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 12/173:20 pmMSY - IAD
2 stops19h 18mMultiple Airlines
Sun 12/215:35 amIAD - MSY
1 stop11h 52mMultiple Airlines
Deal found 11/25$192
This Delta deal was found by Cheapflights users on 11/24. 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 12/95:00 pmAEX - IAD
1 stop6h 12mDelta
Sat 12/136:55 amIAD - AEX
1 stop5h 10mDelta
Deal found 11/24$248
This United Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/124:12 pmLFT - IAD
1 stop5h 03mUnited Airlines
Mon 12/156:00 amIAD - LFT
1 stop8h 11mUnited Airlines
Deal found 11/23$284
This American Airlines deal was found by Cheapflights users on 11/23. 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.
Fri 12/121:44 pmLFT - IAD
1 stop8h 15mAmerican Airlines
Mon 12/152:16 pmIAD - LFT
2 stops9h 57mAmerican Airlines
Deal found 11/23$289
This Delta deal was found by Cheapflights users on 11/24. 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 11/255:00 pmAEX - IAD
1 stop6h 16mDelta
Mon 12/83:38 pmIAD - AEX
1 stop6h 22mDelta
Deal found 11/24$293
This American Airlines deal was found by Cheapflights users on 11/23. 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.
Sat 12/131:44 pmLFT - IAD
2 stops9h 17mAmerican Airlines
Tue 12/162:16 pmIAD - LFT
2 stops9h 57mAmerican Airlines
Deal found 11/23$294
This United Airlines deal was found by Cheapflights users on 11/26. 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.
Wed 12/245:15 amSHV - IAD
1 stop5h 13mUnited Airlines
Wed 12/3112:48 pmIAD - SHV
1 stop7h 44mUnited Airlines
Deal found 11/26$298
This United Airlines deal was found by Cheapflights users on 11/25. 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.
Thu 12/115:20 amLFT - IAD
1 stop5h 03mUnited Airlines
Mon 12/1512:45 pmIAD - LFT
1 stop5h 53mUnited Airlines
Deal found 11/25$309

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 November 26, 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

Mon 1/5

5:55 pm-11:37 pm

1 stop4h 42m

Washington, D.C. Dulles Intl

Tue 1/6

12:09 pm-5:52 pm

1 stop6h 43m

$197

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 1/26

11:43 am-7:09 pm

1 stop6h 26m

Washington, D.C. Dulles Intl

Thu 1/29

12:40 pm-4:20 pm

1 stop4h 40m

$197

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Wed 1/28

11:45 am-6:21 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Sun 2/1

10:08 am-4:09 pm

1 stop7h 01m

$238

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Sat 2/14

1:00 pm-7:20 pm

1 stop5h 20m

Washington, D.C. Dulles Intl

Wed 2/18

12:35 pm-4:12 pm

1 stop4h 37m

$238

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Thu 1/8

6:12 am-1:59 pm

1 stop6h 47m

Washington, D.C. Dulles Intl

Wed 1/14

6:20 am-11:04 am

1 stop5h 44m

$238

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Thu 2/5

5:00 pm-12:24 am

1 stop6h 24m

Washington, D.C. Dulles Intl

Mon 2/9

6:00 am-11:04 am

1 stop6h 04m

$238

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Sun 1/4

4:44 pm-9:46 pm

1 stop4h 02m

Washington, D.C. Dulles Intl

Sat 1/10

8:00 am-12:02 pm

1 stop5h 02m

$240

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Mon 1/12

8:00 am-11:26 am

Nonstop2h 26m

Washington, D.C. Dulles Intl

Thu 1/15

8:25 am-10:24 am

Nonstop2h 59m

$242

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Wed 12/24

6:40 am-11:38 am

2 stops27h 58m

Washington, D.C. Dulles Intl

Sun 12/28

5:35 am-4:27 pm

1 stop11h 52m

$248

AlexandriaWashington, D.C.

AEX - IAD

AEXIAD

Alexandria

Tue 12/9

5:00 pm-12:12 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Sat 12/13

6:55 am-11:05 am

1 stop5h 10m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 60 results
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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 $256). 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 November 26, 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 November 26, 2025.

The most flights from USLA to IAD are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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 $242, Delta can have you in Washington, D.C. Dulles Intl Airport from Louisiana in 2h 26m. 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 United Airlines (95%) 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 $1,393 for a flight from Louisiana to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $103 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $143.

  • 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 $256). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Falls Church
Bowie
Largo
McLean
Clinton

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Alternative routes for Louisiana to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Dallas/Fort Worth to Dulles Intl flights
Los Angeles to Reagan-National flights
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Seattle to Reagan-National flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
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Dallas/Fort Worth to Reagan-National flights
San Francisco to Dulles Intl flights
Atlanta to Dulles Intl flights
Atlanta to Baltimore flights
Tampa to Dulles Intl flights
San Francisco to Reagan-National flights
San Francisco to Baltimore flights
O'Hare Intl to Reagan-National flights
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O'Hare Intl to Baltimore flights
Hobby to Baltimore flights
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O'Hare Intl to Dulles Intl flights
LaGuardia to Reagan-National flights
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Hobby to Reagan-National flights
Denver to Baltimore flights
Atlanta to Reagan-National flights
Hobby to Dulles Intl flights
Miami to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Tampa to Baltimore flights
George Bush Intcntl to Baltimore flights
Fort Lauderdale to Baltimore flights
Orlando to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Minneapolis to Reagan-National flights
Denver to Reagan-National flights
Orlando to Baltimore flights
George Bush Intcntl to Reagan-National flights
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Love Field to Baltimore flights
Fort Lauderdale to Reagan-National flights
Fort Lauderdale to Dulles Intl flights
Newark to Dulles Intl flights
Minneapolis to Baltimore flights
Miami to Reagan-National flights
Newark to Reagan-National flights
Seattle to Baltimore flights
Detroit 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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$344FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$213Average$343FlexibilityNo cancel feeOn-time69%

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