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Dulles Intl

$125+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — IAD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$164
(CheapOair)

One-way from

$125
(United Airlines)

Popular in

February

Cheapest in

August

Average price

$368

Good round-trip deal

$598 or less

Good one-way deal

$348 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. 8% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/19. 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.
lun. 3/243:25 pmMSY - IAD
1 stop24h 29mFrontier
jue. 3/275:54 pmIAD - MSY
1 stop21h 16mFrontier
Deal found 2/19$160
This American Airlines deal was found by Cheapflights users on 2/20. 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. 3/226:01 pmSHV - IAD
1 stop4h 57mAmerican Airlines
mié. 3/261:52 pmIAD - SHV
1 stop5h 19mAmerican Airlines
Deal found 2/20$194
This American Airlines deal was found by Cheapflights users on 2/20. 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. 3/221:24 pmLFT - IAD
1 stop7h 50mAmerican Airlines
sáb. 3/2911:46 amIAD - LFT
1 stop7h 09mAmerican Airlines
Deal found 2/20$199
This Delta deal was found by Cheapflights users on 2/19. 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. 3/141:47 pmLFT - IAD
1 stop4h 00mDelta
mar. 3/187:35 amIAD - LFT
1 stop6h 32mDelta
Deal found 2/19$238
This United Airlines deal was found by Cheapflights users on 2/19. 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.
mar. 3/1112:30 pmMSY - IAD
1 stop7h 29mUnited Airlines
mié. 3/125:50 pmIAD - MSY
Nonstop2h 55mUnited Airlines
Deal found 2/19$246
This Delta deal was found by Cheapflights users on 2/20. 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. 7/45:30 pmSHV - IAD
1 stop5h 10mDelta
mar. 7/86:00 amIAD - SHV
1 stop7h 16mDelta
Deal found 2/20$254
This Delta deal was found by Cheapflights users on 2/20. 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. 3/275:14 pmMSY - IAD
1 stop4h 46mDelta
lun. 3/3112:15 pmIAD - MSY
1 stop7h 49mDelta
Deal found 2/20$269
This Mytrip deal was found by Cheapflights users on 2/20. 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. 2/2711:42 amMSY - IAD
1 stop8h 23mMultiple Airlines
mié. 3/512:55 pmIAD - MSY
3 stops31h 44mMultiple Airlines
Deal found 2/20$273
This American Airlines deal was found by Cheapflights users on 2/19. 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.
lun. 3/243:44 pmMSY - IAD
1 stop5h 30mAmerican Airlines
mié. 3/261:52 pmIAD - MSY
2 stops10h 01mAmerican Airlines
Deal found 2/19$274
This United Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 5/25:15 amSHV - IAD
1 stop5h 15mUnited Airlines
dom. 5/46:00 amIAD - SHV
1 stop6h 25mUnited Airlines
Deal found 2/20$280
This Mytrip deal was found by Cheapflights users on 2/19. 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. 6/511:20 amSHV - IAD
2 stops31h 52mMultiple Airlines
sáb. 6/79:40 pmIAD - SHV
1 stop13h 50mMultiple Airlines
Deal found 2/19$292
This American Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 4/254:37 pmBTR - IAD
1 stop6h 19mAmerican Airlines
lun. 4/288:14 pmIAD - BTR
1 stop4h 48mAmerican Airlines
Deal found 2/20$335

Find flights from Louisiana to Dulles Intl within your budget

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 febrero 20, 2025.

Fly from

Louisiana

Fly to

Dulles Intl

Route

Depart

Return

Price

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

lun. 3/24

3:25 pm-4:54 pm

1 stop24h 29m

Washington, D.C. Dulles Intl

jue. 3/27

5:54 pm-2:10 pm

1 stop21h 16m

$160

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

sáb. 3/22

6:01 pm-11:58 pm

1 stop4h 57m

Washington, D.C. Dulles Intl

mié. 3/26

1:52 pm-6:11 pm

1 stop5h 19m

$194

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

sáb. 3/22

1:24 pm-10:14 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

sáb. 3/29

11:46 am-5:55 pm

1 stop7h 09m

$199

LafayetteWashington, D.C.

LFT - IAD

LFTIAD

Lafayette Regional

vie. 3/14

1:47 pm-6:47 pm

1 stop4h 00m

Washington, D.C. Dulles Intl

mar. 3/18

7:35 am-1:07 pm

1 stop6h 32m

$238

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

mar. 3/11

12:30 pm-8:59 pm

1 stop7h 29m

Washington, D.C. Dulles Intl

mié. 3/12

5:50 pm-7:45 pm

Nonstop2h 55m

$246

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

vie. 7/4

5:30 pm-11:40 pm

1 stop5h 10m

Washington, D.C. Dulles Intl

mar. 7/8

6:00 am-12:16 pm

1 stop7h 16m

$254

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 3/27

5:14 pm-11:00 pm

1 stop4h 46m

Washington, D.C. Dulles Intl

lun. 3/31

12:15 pm-7:04 pm

1 stop7h 49m

$269

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

lun. 3/24

3:44 pm-10:14 pm

1 stop5h 30m

Washington, D.C. Dulles Intl

sáb. 3/29

1:52 pm-10:53 pm

2 stops10h 01m

$274

New OrleansWashington, D.C.

MSY - IAD

MSYIAD

New Orleans Louis Armstrong

jue. 4/3

5:06 pm-11:20 am

3 stops17h 14m

Washington, D.C. Dulles Intl

lun. 4/7

5:40 pm-4:11 pm

3 stops23h 31m

$279

ShreveportWashington, D.C.

SHV - IAD

SHVIAD

Shreveport

vie. 5/2

5:15 am-11:30 am

1 stop5h 15m

Washington, D.C. Dulles Intl

dom. 5/4

6:00 am-11:25 am

1 stop6h 25m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 36 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.

Travel insights for flights from Louisiana to Dulles Intl

Get recent, data-driven insights about flights from Louisiana to Dulles Intl including ideal travel times, pricing trends, and more.

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 $389). 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 febrero 20, 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 febrero 20, 2025.

The most flights from USLA to IAD are scheduled on a Tuesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 febrero 20, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta 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.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Avelo Airlines
7.5
Good
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $125. Users have also found prices from $132 and $135 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 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 United Airlines (91%), Copa Airlines (88%) or Austrian Airlines (86%) 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 $959 for a flight from Louisiana to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $143 while the most popular route, (New Orleans Louis Armstrong - Washington, D.C. Dulles Intl) is currently priced at $220.

  • 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 $389). 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
Arlington
Alexandria
Fairfax
Springfield
Rockville
Tysons
Gaithersburg
Silver Spring
Fredericksburg
Linthicum Heights
Laurel
Falls Church
Woodbridge
Sterling
Easton
Herndon
Bowie
Reston
National Harbor
Oxon Hill

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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 Dulles Intl flights
Los Angeles to Reagan-National flights
Los Angeles to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Baltimore flights
San Francisco to Dulles Intl flights
Boston to Dulles Intl flights
Hobby to Baltimore flights
Atlanta to Dulles Intl flights
Seattle to Reagan-National flights
O'Hare Intl to Dulles Intl flights
San Francisco to Reagan-National flights
Boston to Reagan-National flights
O'Hare Intl to Reagan-National flights
Dallas/Fort Worth to Reagan-National flights
Boston to Baltimore flights
Seattle to Dulles Intl flights
Denver to Dulles Intl flights
O'Hare Intl to Baltimore flights
Hobby to Dulles Intl flights
Atlanta to Reagan-National flights
Orlando to Dulles Intl flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Seattle to Baltimore flights
George Bush Intcntl to Dulles Intl flights
George Bush Intcntl to Baltimore flights
Minneapolis to Baltimore flights
Minneapolis to Reagan-National flights
Denver to Reagan-National flights
Denver to Baltimore flights
Tampa to Dulles Intl flights
Orlando to Reagan-National flights
Fort Lauderdale to Baltimore flights
Atlanta to Baltimore flights
Minneapolis to Dulles Intl flights
Charlotte to Dulles Intl flights
Austin to Dulles Intl flights
Miami to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Portland to Reagan-National flights
Sky Harbor Intl to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Portland to Dulles Intl flights
Tampa to Reagan-National flights
Orlando to Baltimore flights
Detroit to Dulles Intl flights
Burbank to Baltimore flights
Fort Lauderdale to Dulles Intl flights
Detroit to Baltimore 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$177Average$399FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$322FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$341FlexibilityNo cancel feeOn-time71%
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