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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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$163
(Expedia)

One-way from

$95
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$221

Good round-trip deal

$681 or less

Good one-way deal

$233 or less
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. 7% potential increase in price ($21 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 August 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 August 14, 2025.

This Expedia deal was found by Cheapflights users on 8/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/124:52 pmMSY - IAD
1 stop6h 23mFrontier
Sun 9/146:10 amIAD - MSY
1 stop10h 40mFrontier
Deal found 8/13$163
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:51 pmMSY - IAD
1 stop6h 24mFrontier
Sun 9/76:10 amIAD - MSY
1 stop10h 40mFrontier
Deal found 8/14$165
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:32 pmMSY - IAD
1 stop20h 54mFrontier
Sun 10/124:40 pmIAD - MSY
1 stop24h 57mFrontier
Deal found 8/14$171
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/105:32 pmMSY - IAD
1 stop20h 54mFrontier
Mon 10/136:15 amIAD - MSY
1 stop11h 22mFrontier
Deal found 8/13$173
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/45:20 amMSY - IAD
1 stop12h 04mMultiple Airlines
Mon 9/87:14 pmIAD - MSY
1 stop13h 41mMultiple Airlines
Deal found 8/12$188
This United Airlines deal was found by Cheapflights users on 8/14. 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 9/1612:40 pmMSY - IAD
Nonstop2h 29mUnited Airlines
Wed 9/175:33 pmIAD - MSY
Nonstop2h 40mUnited Airlines
Deal found 8/14$189
This Frontier deal was found by Cheapflights users on 8/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/254:51 pmMSY - IAD
2 stops15h 26mFrontier
Mon 9/296:10 amIAD - MSY
1 stop10h 47mFrontier
Deal found 8/13$190
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 9/45:20 amMSY - IAD
1 stop12h 04mMultiple Airlines
Sun 9/77:14 pmIAD - MSY
1 stop13h 41mMultiple Airlines
Deal found 8/12$194
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/312:40 pmMSY - IAD
Nonstop2h 29mUnited Airlines
Tue 9/96:00 amIAD - MSY
1 stop8h 10mUnited Airlines
Deal found 8/12$199
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 12/125:15 pmLFT - IAD
1 stop5h 52mDelta
Sun 12/146:00 amIAD - LFT
1 stop5h 32mDelta
Deal found 8/14$259
This Delta deal was found by Cheapflights users on 8/14. 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 9/2312:28 pmSHV - IAD
1 stop5h 11mDelta
Sun 9/286:00 amIAD - SHV
1 stop5h 03mDelta
Deal found 8/14$259
This Delta deal was found by Cheapflights users on 8/14. 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 12/115:20 pmMLU - IAD
1 stop5h 47mDelta
Tue 12/167:00 amIAD - MLU
1 stop5h 58mDelta
Deal found 8/14$268

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 August 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

Fri 9/12

4:52 pm-12:15 am

1 stop6h 23m

Washington, D.C. Dulles Intl

Sun 9/14

6:10 am-3:50 pm

1 stop10h 40m

$163

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 9/25

4:51 pm-12:15 am

1 stop6h 24m

Washington, D.C. Dulles Intl

Mon 9/29

6:10 am-3:57 pm

1 stop10h 47m

$163

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 10/9

5:57 pm-12:11 am

1 stop5h 14m

Washington, D.C. Dulles Intl

Mon 10/13

6:15 am-4:37 pm

1 stop11h 22m

$163

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Thu 9/4

4:51 pm-12:15 am

1 stop6h 24m

Washington, D.C. Dulles Intl

Sun 9/7

6:10 am-3:50 pm

1 stop10h 40m

$165

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 9/5

4:52 pm-12:15 am

1 stop6h 23m

Washington, D.C. Dulles Intl

Sun 9/7

1:55 pm-3:57 pm

1 stop27h 02m

$165

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 9/19

4:52 pm-12:15 am

1 stop6h 23m

Washington, D.C. Dulles Intl

Sun 9/21

6:10 am-3:50 pm

1 stop10h 40m

$165

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 10/10

5:32 pm-3:26 pm

1 stop20h 54m

Washington, D.C. Dulles Intl

Sun 10/12

4:40 pm-4:37 pm

1 stop24h 57m

$171

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Fri 10/10

5:22 pm-3:26 pm

1 stop21h 04m

Washington, D.C. Dulles Intl

Mon 10/13

6:15 am-4:37 pm

1 stop11h 22m

$171

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

Tue 9/16

12:40 pm-4:09 pm

Nonstop2h 29m

Washington, D.C. Dulles Intl

Wed 9/17

5:33 pm-7:13 pm

Nonstop2h 40m

$189

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

Sat 10/25

10:32 am-4:57 pm

1 stop5h 25m

Washington, D.C. Dulles Intl

Mon 10/27

6:00 am-9:52 am

1 stop4h 52m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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, July is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 14, 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.

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 $96 and $134 on Frontier and Delta, respectively.

  • 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 Shreveport - 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 Air Canada (83%), Copa Airlines (83%) or Lufthansa (82%) 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 $1,640 for a flight from Louisiana to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $127 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $188.

  • 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, July is the cheapest month in which you can book a flight from Louisiana to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Louisiana to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Waldorf
Bowie

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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.
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Los Angeles to Reagan-National flights
Boston to Baltimore flights
Dallas/Fort Worth to Baltimore flights
San Francisco to Dulles Intl flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
San Francisco to Reagan-National flights
Dallas/Fort Worth to Dulles Intl flights
O'Hare Intl to Dulles Intl flights
San Francisco to Baltimore flights
O'Hare Intl to Reagan-National flights
Atlanta to Baltimore flights
Seattle to Reagan-National flights
Boston to Dulles Intl flights
Tampa to Dulles Intl flights
Seattle to Baltimore flights
Atlanta to Dulles Intl flights
Seattle to Dulles Intl flights
O'Hare Intl to Baltimore flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
Austin to Dulles Intl flights
Denver to Baltimore flights
San Diego to Dulles Intl flights
Atlanta to Reagan-National flights
Ontario to Dulles Intl flights
Fort Lauderdale to Baltimore flights
Burbank to Baltimore flights
Tampa to Baltimore flights
Fort Lauderdale to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Charlotte to Dulles Intl flights
Minneapolis to Reagan-National flights
Midway to Dulles Intl flights
Hobby to Dulles Intl flights
Denver to Dulles Intl flights
John F Kennedy Intl to Reagan-National flights
Orlando to Dulles Intl flights
Denver to Reagan-National flights
San Diego to Reagan-National flights
Detroit to Reagan-National flights
George Bush Intcntl to Dulles Intl flights
Orlando to Baltimore flights
Ontario to Baltimore flights
Minneapolis to Dulles Intl flights
Charlotte to Baltimore flights
Orlando to Reagan-National flights
Austin to Reagan-National 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$134Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$221Average$342FlexibilityNo cancel feeOn-time69%

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