What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Louisiana one-way?

One-way options have recently been found by users for as low as $95 on United Airlines. Other airlines that offer cheap prices include Southwest from $103 and Sun Country Air from $113 one-way.

In terms of precipitation, rainfall in Louisiana ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit Louisiana when rainfall is around 3.3 in.

If weather is an important factor for your trip to Louisiana, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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

The most popular route from Washington, D.C. Dulles Intl Airport to Louisiana is Washington, D.C. Dulles Intl - New Orleans Louis Armstrong. You may also consider Washington, D.C. Dulles Intl - Baton Rouge Ryan or Washington, D.C. Dulles Intl - Shreveport.

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

The cheapest flight price from Washington, D.C. Dulles Intl Airport to Louisiana is $129. On average you can expect to pay $453. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $185.

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

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Louisiana on time: Republic Airways (100%), United Airlines (82%), Mesa Airlines (77%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Louisiana?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Louisiana.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Louisiana?

To save up to 103% on this flight, we recommend booking at least 54 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Dulles Intl Airport to Louisiana from $304 1-2 weeks out and tickets from $475 for flights departing within the next 72 hours.

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

August is one of the best times of the year to fly to Louisiana from Washington, D.C. Dulles Intl Airport. Prices for August average $322 per person but you can even find prices for as low as $117. The most expensive prices can be found in the month of February. Opting for a August flight can save you 22% on your journey compared to booking in February

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

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

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

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

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

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

$95+ Flights from Washington, D.C. Dulles Intl Airport to Louisiana

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Cheap flight deals from Dulles Intl to Louisiana

Round-trip from	$195 (United Airlines)
One-way from	$95 (United Airlines)
Popular in	February
Cheapest in	August
Average price	$298
Good round-trip deal	$299 or less
Good one-way deal	$167 or less

From Washington, D.C. Dulles Intl to Louisiana

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One-way flight from Washington, D.C. Dulles Intl to Louisiana

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Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Louisiana.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Louisiana.

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Find flight deals from Dulles Intl to Louisiana

Cheapest flights from Dulles Intl to Louisiana
Explore the most affordable flight options available from Dulles Intl to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

mié. 8/65:33 pmIAD - MSY

Nonstop2h 43mUnited Airlines

mié. 8/133:25 pmMSY - IAD

1 stop5h 53mUnited Airlines

Deal found 6/26

$195

jue. 8/217:35 amIAD - MSY

2 stops13h 55mSouthwest

lun. 8/255:00 amMSY - IAD

1 stop7h 20mSouthwest

Deal found 6/25

$216

jue. 8/147:30 pmIAD - MSY

1 stop5h 01mDelta

lun. 8/186:57 pmMSY - IAD

1 stop4h 24mDelta

Deal found 6/26

$217

jue. 8/1411:04 amIAD - MSY

2 stops21h 44mMultiple Airlines

mié. 8/208:27 pmMSY - IAD

1 stop14h 20mMultiple Airlines

Deal found 6/25

$226

sáb. 8/212:40 pmIAD - MSY

1 stop24h 08mSun Country Air

jue. 8/75:37 pmMSY - IAD

1 stop17h 54mSun Country Air

Deal found 6/24

$235

mar. 9/1611:18 amIAD - MSY

2 stops10h 03mAmerican Airlines

jue. 9/1812:37 pmMSY - IAD

1 stop9h 11mAmerican Airlines

Deal found 6/25

$252

jue. 7/106:10 amIAD - MSY

1 stop11h 01mFrontier

dom. 7/138:09 pmMSY - IAD

1 stop15h 42mFrontier

Deal found 6/24

$258

jue. 7/317:02 amIAD - SHV

1 stop6h 24mDelta

lun. 8/45:10 pmSHV - IAD

1 stop6h 24mDelta

Deal found 6/26

$259

jue. 11/278:50 amIAD - LFT

1 stop6h 50mAmerican Airlines

jue. 12/44:11 pmLFT - IAD

1 stop5h 03mAmerican Airlines

Deal found 6/24

$259

sáb. 10/412:35 pmIAD - MLU

1 stop5h 02mDelta

mar. 10/712:40 pmMLU - IAD

1 stop5h 02mDelta

Deal found 6/24

$268

jue. 7/176:27 amIAD - SHV

1 stop5h 37mAmerican Airlines

mar. 7/225:11 pmSHV - IAD

1 stop5h 47mAmerican Airlines

Deal found 6/25

$274

mié. 7/98:35 amIAD - LFT

1 stop5h 46mUnited Airlines

sáb. 7/124:10 pmLFT - IAD

1 stop6h 31mUnited Airlines

Deal found 6/24

$289

Best flights from Dulles Intl to Louisiana
Discover carefully curated flight deals from Dulles Intl to Louisiana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 26, 2025.

jue. 8/145:55 pmIAD - MSY

1 stop6h 36mUnited Airlines

lun. 8/188:00 amMSY - IAD

Nonstop2h 31mUnited Airlines

Deal found 6/25

$195

jue. 8/217:35 amIAD - MSY

2 stops13h 55mSouthwest

lun. 8/255:00 amMSY - IAD

1 stop7h 20mSouthwest

Deal found 6/25

$216

mar. 9/1610:05 amIAD - MSY

1 stop5h 19mDelta

jue. 9/185:20 pmMSY - IAD

1 stop5h 47mDelta

Deal found 6/25

$217

jue. 8/1411:04 amIAD - MSY

2 stops21h 44mMultiple Airlines

mié. 8/208:27 pmMSY - IAD

1 stop14h 20mMultiple Airlines

Deal found 6/25

$226

sáb. 8/212:40 pmIAD - MSY

1 stop24h 08mSun Country Air

jue. 8/75:37 pmMSY - IAD

1 stop17h 54mSun Country Air

Deal found 6/24

$235

dom. 7/66:10 amIAD - MSY

1 stop11h 08mFrontier

jue. 7/104:56 pmMSY - IAD

1 stop6h 16mFrontier

Deal found 6/23

$248

mar. 9/1611:18 amIAD - MSY

2 stops10h 03mAmerican Airlines

jue. 9/1812:37 pmMSY - IAD

1 stop9h 11mAmerican Airlines

Deal found 6/25

$252

jue. 7/317:02 amIAD - SHV

1 stop6h 24mDelta

lun. 8/45:10 pmSHV - IAD

1 stop6h 24mDelta

Deal found 6/25

$259

mié. 8/2710:25 amIAD - LFT

2 stops8h 32mAmerican Airlines

mié. 9/34:22 pmLFT - IAD

1 stop5h 23mAmerican Airlines

Deal found 6/24

$264

mar. 7/2212:45 pmIAD - LFT

1 stop5h 14mDelta

sáb. 7/265:39 pmLFT - IAD

1 stop4h 40mDelta

Deal found 6/25

$259

mié. 7/98:35 amIAD - LFT

1 stop5h 46mUnited Airlines

sáb. 7/124:10 pmLFT - IAD

1 stop6h 31mUnited Airlines

Deal found 6/24

$289

jue. 7/176:27 amIAD - SHV

1 stop5h 37mAmerican Airlines

mar. 7/225:11 pmSHV - IAD

1 stop5h 47mAmerican Airlines

Deal found 6/25

$274

Last-minute flights from Dulles Intl to Louisiana
Discover last-minute flight deals from Dulles Intl to Louisiana. Data last updated junio 26, 2025 and is based on user searches.

mar. 7/16:00 amIAD - BTR

1 stop6h 42mDelta

sáb. 7/56:00 amBTR - IAD

1 stop5h 48mDelta

Deal found 6/24

$325

mar. 7/16:10 amIAD - SHV

1 stop6h 00mUnited Airlines

mar. 7/14:13 pmSHV - IAD

1 stop5h 05mUnited Airlines

Deal found 6/26

$427

mié. 7/26:10 amIAD - MSY

1 stop5h 53mUnited Airlines

mar. 7/88:00 amMSY - IAD

Nonstop2h 31mUnited Airlines

Deal found 6/24

$303

mié. 7/21:08 pmIAD - AEX

2 stops10h 26mAmerican Airlines

dom. 7/65:52 amAEX - IAD

1 stop7h 43mAmerican Airlines

Deal found 6/25

$467

mié. 7/29:10 amIAD - BTR

2 stops9h 46mAmerican Airlines

lun. 7/76:32 pmBTR - IAD

1 stop4h 26mAmerican Airlines

Deal found 6/24

$496

jue. 7/36:10 amIAD - LFT

1 stop6h 16mUnited Airlines

lun. 7/74:10 pmLFT - IAD

1 stop6h 48mUnited Airlines

Deal found 6/26

$390

vie. 7/45:29 pmIAD - MSY

1 stop7h 01mDelta

mié. 7/95:41 pmMSY - IAD

1 stop4h 35mDelta

Deal found 6/25

$327

vie. 7/41:08 pmIAD - SHV

1 stop5h 15mAmerican Airlines

sáb. 7/55:11 pmSHV - IAD

1 stop5h 47mAmerican Airlines

Deal found 6/25

$402

vie. 7/43:31 pmIAD - LFT

1 stop5h 48mDelta

lun. 7/75:39 pmLFT - IAD

1 stop5h 55mDelta

Deal found 6/26

$414

vie. 7/49:10 amIAD - MSY

2 stops9h 12mAmerican Airlines

mié. 7/97:00 amMSY - IAD

1 stop4h 49mAmerican Airlines

Deal found 6/25

$423

sáb. 7/56:10 amIAD - BTR

1 stop8h 08mUnited Airlines

mar. 7/84:02 pmBTR - IAD

1 stop6h 56mUnited Airlines

Deal found 6/25

$501

dom. 7/66:10 amIAD - MSY

1 stop11h 08mFrontier

jue. 7/104:56 pmMSY - IAD

1 stop6h 16mFrontier

Deal found 6/23

$248

One-way flights from Dulles Intl to Louisiana
Search for one-way flight options from Dulles Intl to Louisiana. Find affordable one-way fares based on user searches. Data last updated junio 26, 2025.

dom. 8/315:33 pmIAD - MSY

Nonstop2h 40mUnited Airlines

Deal found 6/25

$95

jue. 8/711:58 amIAD - MSY

1 stop8h 07mMultiple Airlines

Deal found 6/25

$97

mar. 8/52:25 pmIAD - MSY

1 stop9h 05mSouthwest

Deal found 6/25

$103

mié. 7/2312:40 pmIAD - MSY

1 stop7h 14mSun Country Air

Deal found 6/26

$113

vie. 7/45:29 pmIAD - MSY

1 stop7h 01mDelta

Deal found 6/25

$119

mar. 7/299:03 amIAD - MSY

2 stops10h 44mAmerican Airlines

Deal found 6/25

$131

jue. 8/286:10 amIAD - MSY

1 stop6h 55mFrontier

Deal found 6/25

$146

mié. 7/96:00 amIAD - MLU

1 stop7h 08mDelta

Deal found 6/24

$149

mar. 7/13:31 pmIAD - SHV

1 stop6h 31mDelta

Deal found 6/25

$172

mié. 8/276:00 amIAD - LFT

1 stop5h 39mDelta

Deal found 6/24

$187

mar. 7/112:50 pmIAD - SHV

1 stop5h 33mUnited Airlines

Deal found 6/25

$254

mié. 8/279:35 amIAD - LFT

2 stops13h 59mUnited Airlines

Deal found 6/24

$275

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisiana that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

mié. 8/6

5:33 pm-7:16 pm

Nonstop2h 43m

New Orleans Louis Armstrong

mié. 8/13

3:25 pm-10:18 pm

1 stop5h 53m

$195

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

jue. 8/21

7:35 am-8:30 pm

2 stops13h 55m

New Orleans Louis Armstrong

lun. 8/25

5:00 am-1:20 pm

1 stop7h 20m

$216

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

jue. 8/14

7:30 pm-11:31 pm

1 stop5h 01m

New Orleans Louis Armstrong

lun. 8/18

6:57 pm-12:21 am

1 stop4h 24m

$217

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

jue. 8/14

11:04 am-7:48 am

2 stops21h 44m

New Orleans Louis Armstrong

mié. 8/20

8:27 pm-11:47 am

1 stop14h 20m

$226

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

sáb. 8/2

12:40 pm-11:48 am

1 stop24h 08m

New Orleans Louis Armstrong

jue. 8/7

5:37 pm-12:31 pm

1 stop17h 54m

$235

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

mar. 9/16

11:18 am-8:21 pm

2 stops10h 03m

New Orleans Louis Armstrong

jue. 9/18

12:37 pm-10:48 pm

1 stop9h 11m

$252

Washington, D.C.New Orleans

IAD - MSY

IADMSY

Washington, D.C. Dulles Intl

jue. 7/10

6:10 am-4:11 pm

1 stop11h 01m

New Orleans Louis Armstrong

dom. 7/13

8:09 pm-12:51 pm

1 stop15h 42m

$258

Washington, D.C.Shreveport

IAD - SHV

IADSHV

Washington, D.C. Dulles Intl

jue. 7/31

7:02 am-12:26 pm

1 stop6h 24m

Shreveport

lun. 8/4

5:10 pm-12:34 am

1 stop6h 24m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

mar. 7/22

12:45 pm-4:59 pm

1 stop5h 14m

Lafayette Regional

sáb. 7/26

5:39 pm-11:19 pm

1 stop4h 40m

$259

Washington, D.C.Lafayette

IAD - LFT

IADLFT

Washington, D.C. Dulles Intl

mié. 8/27

10:25 am-5:57 pm

2 stops8h 32m

Lafayette Regional

mié. 9/3

4:22 pm-10:45 pm

1 stop5h 23m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 39 results

Best time to book a flight from Dulles Intl to Louisiana

Have a flexible travel schedule? Discover the best time to fly to Louisiana from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Louisiana

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $256). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in April is currently the most expensive (average of $343). 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 IAD to LA?

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

Reviews of airlines servicing Louisiana

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,276 reviews

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,963 reviews

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,838 reviews

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Sun Country Air

6.9

Okay

342 reviews

Southwest

8.0

Very good

4,276 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Louisiana one-way?
One-way options have recently been found by users for as low as $95 on United Airlines. Other airlines that offer cheap prices include Southwest from $103 and Sun Country Air from $113 one-way.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to Louisiana?
The most popular route from Washington, D.C. Dulles Intl Airport to Louisiana is Washington, D.C. Dulles Intl - New Orleans Louis Armstrong. You may also consider Washington, D.C. Dulles Intl - Baton Rouge Ryan or Washington, D.C. Dulles Intl - Shreveport.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Louisiana?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Louisiana on time: Republic Airways (100%), United Airlines (82%), Mesa Airlines (77%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Louisiana?
The cheapest flight price from Washington, D.C. Dulles Intl Airport to Louisiana is $129. On average you can expect to pay $453. The most popular route, (Washington, D.C. Dulles Intl - New Orleans Louis Armstrong), can usually be booked for $185.
Can I find deals for flights from Dulles Intl to Louisiana that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Louisiana flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Louisiana?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Louisiana.
Can I find deals for business class flights from Dulles Intl to Louisiana?
Yes. Cheapflights offers flight deals from Dulles Intl to Louisiana 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 Washington, D.C. Dulles Intl Airport to Louisiana?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Louisiana (average of $256). Flying from Washington, D.C. Dulles Intl Airport to Louisiana in April is currently the most expensive (average of $343). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Louisiana

Dulles Intl to Seattle flights

Baltimore to Seattle flights

Baltimore to Fort Lauderdale flights

Baltimore to O'Hare Intl flights

Baltimore to Las Vegas flights

Dulles Intl to Los Angeles flights

Reagan-National to Seattle flights

Baltimore to Miami flights

Reagan-National to Boston flights

Reagan-National to Los Angeles flights

Dulles Intl to Dallas/Fort Worth flights

Reagan-National to O'Hare Intl flights

Reagan-National to Miami flights

Dulles Intl to Las Vegas flights

Dulles Intl to O'Hare Intl flights

Dulles Intl to Miami flights

Baltimore to Dallas/Fort Worth flights

Reagan-National to Dallas/Fort Worth flights

Dulles Intl to Boston flights

Dulles Intl to San Francisco flights

Dulles Intl to Fort Lauderdale flights

Dulles Intl to Atlanta flights

Reagan-National to San Francisco flights

Baltimore to Boston flights

Dulles Intl to Midway flights

Baltimore to Denver flights

Baltimore to Los Angeles flights

Reagan-National to Orlando flights

Reagan-National to Las Vegas flights

Baltimore to Orlando flights

Reagan-National to Denver flights

Dulles Intl to Hobby flights

Baltimore to Hobby flights

Baltimore to San Francisco flights

Reagan-National to Hobby flights

Reagan-National to Atlanta flights

Baltimore to Atlanta flights

Dulles Intl to Orlando flights

Dulles Intl to San Diego flights

Dulles Intl to Denver flights

Baltimore to Midway flights

Reagan-National to Minneapolis flights

Dulles Intl to Tampa flights

Dulles Intl to Honolulu flights

Dulles Intl to Austin flights

Dulles Intl to Minneapolis flights

Dulles Intl to Ontario flights

Reagan-National to San Diego flights

Reagan-National to Fort Lauderdale flights

Baltimore to George Bush Intcntl flights

Complete your trip

Louisiana car rentals

New Orleans Louis Armstrong Airport car rentals

Baton Rouge Ryan Airport car rentals

Shreveport Airport car rentals

Lafayette Regional Airport car rentals

Alexandria Airport car rentals

Monroe Huenefeld Airport car rentals

Lake Charles Airport car rentals

New Orleans car rentals

Shreveport car rentals

Lafayette car rentals

Baton Rouge car rentals

Top 4 airlines flying from Dulles Intl to Louisiana

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$134	Average$385	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$135	Average$187	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$244	Average$407	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$268	Average$387	FlexibilityNo cancel fee	On-time71%

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

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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Louisiana with Cheapflights

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3. Compare prices and book

Cheap flight deals from Dulles Intl to Louisiana

Keep the following information in mind while searching for Dulles Intl to Louisiana flight deals. Data was last updated junio 26, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Louisiana

Cheapest flights from Dulles Intl to LouisianaExplore the most affordable flight options available from Dulles Intl to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

Explore the most affordable flight options available from Dulles Intl to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Louisiana that are best for you.

Best time to book a flight from Dulles Intl to Louisiana

Have a flexible travel schedule? Discover the best time to fly to Louisiana from Dulles Intl with our price prediction graph.

Cheapflights Insights

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

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

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

Find hourly flight availability from Dulles Intl to Louisiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 26, 2025.

Reviews of airlines servicing Louisiana

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Louisiana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Louisiana. 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 Washington, D.C. Dulles Intl Airport to Louisiana one-way?

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

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

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

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

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

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

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

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Alternative routes for Dulles Intl to Louisiana

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Top 4 airlines flying from Dulles Intl to Louisiana

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Cheapest flights from Dulles Intl to Louisiana
Explore the most affordable flight options available from Dulles Intl to Louisiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 26, 2025.