What are the cheapest airlines to fly from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport one-way?

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 340. Users have also found prices from C$ 362 and C$ 419 on United Airlines and Delta, respectively.

What are the most popular routes from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

The most popular flight routes from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport are New Orleans Louis Armstrong - Montreal Pierre Elliott Trudeau Intl, Baton Rouge Ryan - Montreal Pierre Elliott Trudeau Intl and Lafayette Regional - Montreal Pierre Elliott Trudeau Intl.

What are the most reliable airlines from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Louisiana, check out the most reliable airlines to get you to your destination on time: Jazz (57%), Air Canada (54%), United Airlines( 53%).

What is the cheapest month to fly from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

The best pricing can be found in the month of January. Prices to Montreal Pierre Elliott Trudeau Intl Airport from Louisiana average C$ 1,061. You can even find prices in January for less than C$ 1,061, as users have found deals to Montreal Pierre Elliott Trudeau Intl Airport from as low as C$ 736. The month of May appears to be one of the more expensive times to travel to Montreal Pierre Elliott Trudeau Intl Airport from Louisiana. Flying in the targeted month can save you up to 20%.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

How can I find direct flights from Louisiana to Pierre Elliott Trudeau Intl?

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

Can I find deals for business class flights from Louisiana to Pierre Elliott Trudeau Intl?

Yes. Cheapflights offers flight deals from Louisiana to Pierre Elliott Trudeau 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.

C$ 182+ Flights from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport

Cheap flight deals from Louisiana to Pierre Elliott Trudeau Intl

Round-trip from	C$ 444
One-way from	C$ 182
Popular in	May
Cheapest in	January
Average price	C$ 1,047

16/5-21/5
3 total stops
39h 35m total
Louisiana to Montreal

Search Deals

16/5
1 total stop
16h 10m total
Louisiana to Montreal

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 151 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Louisiana to Pierre Elliott Trudeau Intl

Cheapest flights from Louisiana to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Louisiana to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Fri 16/59:10 p.m.MSY - YUL

1 stop16h 10mMultiple Airlines

Wed 21/510:00 a.m.YUL - MSY

2 stops23h 25mMultiple Airlines

Deal found 17/4C$ 444

Tue 2/97:10 p.m.MSY - YUL

1 stop14h 15mDelta

Wed 10/96:00 a.m.YUL - MSY

1 stop13h 00mDelta

Deal found 17/4C$ 621

Tue 1/76:08 a.m.MSY - YUL

1 stop9h 36mAmerican Airlines

Sun 6/77:00 a.m.YUL - MSY

1 stop10h 51mAmerican Airlines

Deal found 17/4C$ 757

Thu 2/108:00 a.m.MSY - YUL

1 stop6h 00mAir Canada

Wed 8/106:00 a.m.YUL - MSY

1 stop6h 02mAir Canada

Deal found 17/4C$ 853

Thu 2/108:00 a.m.MSY - YUL

1 stop6h 00mUnited Airlines

Tue 7/107:10 p.m.YUL - MSY

2 stops14h 35mUnited Airlines

Deal found 17/4C$ 871

Sun 1/63:30 p.m.BTR - YUL

1 stop7h 24mDelta

Sun 8/67:00 a.m.YUL - BTR

1 stop10h 12mDelta

Deal found 17/4C$ 893

Sun 1/612:14 p.m.BTR - YUL

2 stops21h 26mUnited Airlines

Sun 8/68:00 p.m.YUL - BTR

2 stops16h 24mUnited Airlines

Deal found 17/4C$ 966

Thu 1/54:37 p.m.BTR - YUL

2 stops16h 13mAmerican Airlines

Sun 4/57:29 a.m.YUL - BTR

1 stop9h 38mAmerican Airlines

Deal found 17/4C$ 1,020

Tue 1/72:54 p.m.MSY - YUL

2 stops8h 43mWestJet

Sun 6/76:45 p.m.YUL - MSY

1 stop5h 51mWestJet

Deal found 16/4C$ 1,370

Best flights from Louisiana to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Louisiana to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 17 April 2025.

Fri 16/59:10 p.m.MSY - YUL

1 stop16h 10mMultiple Airlines

Wed 21/510:00 a.m.YUL - MSY

2 stops23h 25mMultiple Airlines

Deal found 17/4C$ 444

Tue 2/97:10 p.m.MSY - YUL

1 stop14h 15mDelta

Wed 10/96:00 a.m.YUL - MSY

1 stop13h 00mDelta

Deal found 17/4C$ 621

Tue 1/76:08 a.m.MSY - YUL

1 stop9h 36mAmerican Airlines

Sun 6/77:00 a.m.YUL - MSY

1 stop10h 51mAmerican Airlines

Deal found 17/4C$ 757

Thu 2/108:00 a.m.MSY - YUL

1 stop6h 00mAir Canada

Wed 8/106:00 a.m.YUL - MSY

1 stop6h 02mAir Canada

Deal found 17/4C$ 853

Thu 2/108:00 a.m.MSY - YUL

1 stop6h 00mUnited Airlines

Tue 7/107:10 p.m.YUL - MSY

2 stops14h 35mUnited Airlines

Deal found 17/4C$ 871

Tue 1/72:54 p.m.MSY - YUL

2 stops8h 43mWestJet

Sun 6/76:45 p.m.YUL - MSY

1 stop5h 51mWestJet

Deal found 16/4C$ 1,370

Sun 1/63:30 p.m.BTR - YUL

1 stop7h 24mDelta

Sun 8/67:00 a.m.YUL - BTR

1 stop10h 12mDelta

Deal found 17/4C$ 893

Sun 1/612:14 p.m.BTR - YUL

2 stops21h 26mUnited Airlines

Sun 8/68:00 p.m.YUL - BTR

2 stops16h 24mUnited Airlines

Deal found 17/4C$ 966

Thu 1/54:37 p.m.BTR - YUL

2 stops16h 13mAmerican Airlines

Sun 4/57:29 a.m.YUL - BTR

1 stop9h 38mAmerican Airlines

Deal found 17/4C$ 1,020

Last-minute flights from Louisiana to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Louisiana to Pierre Elliott Trudeau Intl. Data last updated 17 April 2025 and is based on user searches.

Wed 23/45:35 p.m.MSY - YUL

1 stop15h 15mAmerican Airlines

Sun 27/47:29 a.m.YUL - MSY

1 stop9h 04mAmerican Airlines

Deal found 17/4C$ 1,185

Wed 23/410:14 a.m.MSY - YUL

2 stops10h 12mDelta

Sun 27/47:00 a.m.YUL - MSY

1 stop5h 51mDelta

Deal found 17/4C$ 1,312

Thu 1/52:00 p.m.BTR - YUL

2 stops16h 15mUnited Airlines

Sun 4/58:30 p.m.YUL - BTR

2 stops24h 15mUnited Airlines

Deal found 17/4C$ 986

Thu 1/54:37 p.m.BTR - YUL

2 stops16h 13mAmerican Airlines

Sun 4/57:29 a.m.YUL - BTR

1 stop9h 38mAmerican Airlines

Deal found 17/4C$ 1,020

Fri 9/54:23 p.m.MSY - YUL

1 stop5h 22mAmerican Airlines

Thu 15/53:44 p.m.YUL - MSY

1 stop9h 31mAmerican Airlines

Deal found 17/4C$ 843

Fri 16/59:10 p.m.MSY - YUL

1 stop16h 10mMultiple Airlines

Wed 21/510:00 a.m.YUL - MSY

2 stops23h 25mMultiple Airlines

Deal found 17/4C$ 444

Sun 18/58:00 a.m.MSY - YUL

1 stop8h 15mUnited Airlines

Sun 25/56:20 p.m.YUL - MSY

1 stop6h 26mUnited Airlines

Deal found 17/4C$ 984

Fri 30/510:40 a.m.MSY - YUL

1 stop9h 29mDelta

Wed 4/611:00 a.m.YUL - MSY

2 stops11h 23mDelta

Deal found 17/4C$ 703

One-way flights from Louisiana to Pierre Elliott Trudeau Intl
Search for one-way flight options from Louisiana to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 17 April 2025.

Fri 16/59:10 p.m.MSY - YUL

1 stop16h 10mMultiple Airlines

Deal found 17/4C$ 182

Sun 3/85:42 p.m.MSY - YUL

1 stop15h 03mAmerican Airlines

Deal found 17/4C$ 340

Sun 3/85:15 a.m.MSY - YUL

2 stops13h 02mUnited Airlines

Deal found 17/4C$ 362

Sat 26/47:00 a.m.MSY - YUL

2 stops11h 08mDelta

Deal found 17/4C$ 419

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Fri 16/5

9:10 p.m.-2:20 p.m.

1 stop16h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

10:00 a.m.-8:25 a.m.

2 stops23h 25m

C$ 444

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Tue 2/9

7:10 p.m.-10:25 a.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

6:00 a.m.-6:00 p.m.

1 stop13h 00m

C$ 621

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Tue 1/7

6:08 a.m.-4:44 p.m.

1 stop9h 36m

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

7:00 a.m.-4:51 p.m.

1 stop10h 51m

C$ 757

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Thu 2/10

8:00 a.m.-3:00 p.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

6:00 a.m.-11:02 a.m.

1 stop6h 02m

C$ 853

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Thu 2/10

8:00 a.m.-3:00 p.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 7/10

7:10 p.m.-8:45 a.m.

2 stops14h 35m

C$ 871

Baton RougeMontreal

BTR - YUL

BTRYUL

Baton Rouge Ryan

Sun 1/6

3:30 p.m.-11:54 p.m.

1 stop7h 24m

Montreal Pierre Elliott Trudeau Intl

Sun 8/6

7:00 a.m.-4:12 p.m.

1 stop10h 12m

C$ 893

Baton RougeMontreal

BTR - YUL

BTRYUL

Baton Rouge Ryan

Sun 1/6

12:14 p.m.-10:40 a.m.

2 stops21h 26m

Montreal Pierre Elliott Trudeau Intl

Sun 8/6

8:00 p.m.-11:24 a.m.

2 stops16h 24m

C$ 966

Baton RougeMontreal

BTR - YUL

BTRYUL

Baton Rouge Ryan

Thu 1/5

4:37 p.m.-9:50 a.m.

2 stops16h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 4/5

7:29 a.m.-4:07 p.m.

1 stop9h 38m

C$ 1,020

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Tue 1/7

2:54 p.m.-12:37 a.m.

2 stops8h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

6:45 p.m.-11:36 p.m.

1 stop5h 51m

C$ 1,370

New OrleansMontreal

MSY - YUL

MSYYUL

New Orleans Louis Armstrong

Fri 16/5

9:10 p.m.-2:20 p.m.

1 stop16h 10m

C$ 182

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 13 results

Best time to book a flight from Louisiana to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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.

Rainfall in Pierre Elliott Trudeau Intl by month

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

To help decide which airline to fly from Louisiana to Montreal, see what other customers have to say about Delta, United Airlines and American Airlines. 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.

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,917 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,667 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,809 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada

7.0

Good

9,142 reviews

Delta

8.0

Very good

7,917 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport one-way?
For one-way options, check prices for American Airlines. According to our data, you can fly for as low as C$ 340. Users have also found prices from C$ 362 and C$ 419 on United Airlines and Delta, respectively.
What are the most popular routes from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?
The most popular flight routes from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport are New Orleans Louis Armstrong - Montreal Pierre Elliott Trudeau Intl, Baton Rouge Ryan - Montreal Pierre Elliott Trudeau Intl and Lafayette Regional - Montreal Pierre Elliott Trudeau Intl.
What are the most reliable airlines from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?
Before booking your flight to Montreal Pierre Elliott Trudeau Intl Airport from Louisiana, check out the most reliable airlines to get you to your destination on time: Jazz (57%), Air Canada (54%), United Airlines( 53%).
Can I find deals for flights from Louisiana to Pierre Elliott Trudeau Intl that include hotel bookings?
Yes. In addition to deals on Louisiana to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Louisiana to Pierre Elliott Trudeau Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Pierre Elliott Trudeau Intl.
Can I find deals for business class flights from Louisiana to Pierre Elliott Trudeau Intl?
Yes. Cheapflights offers flight deals from Louisiana to Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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

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Dorval

Longueuil

Cornwall

Drummondville

Saint-Jean-sur-Richelieu

Sherbrooke

Boucherville

Saint-Sauveur

Bromont

Montebello

Trois-Rivières

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How does Cheapflights help users find flights from Louisiana to Pierre Elliott Trudeau Intl?

Cheapflights makes it easy to find Louisiana to Pierre Elliott Trudeau Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Louisiana to Pierre Elliott Trudeau Intl?

Millions of users choose and trust Cheapflights to book the best flight deals from Louisiana to Pierre Elliott Trudeau Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Louisiana to Pierre Elliott Trudeau Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Louisiana to Pierre Elliott Trudeau Intl flexibly with Cheapflights today.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport from C$ 182

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Louisiana to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Louisiana to Pierre Elliott Trudeau Intl flight deals. Data was last updated 17 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Louisiana to Pierre Elliott Trudeau Intl

Cheapest flights from Louisiana to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Louisiana to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Explore the most affordable flight options available from Louisiana to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Best time to book a flight from Louisiana to Pierre Elliott Trudeau Intl

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

Cheapflights Insights

Everything you need to know about your flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Pierre Elliott Trudeau 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 Montreal Pierre Elliott Trudeau Intl Airport one-way?

What are the most popular routes from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

What are the most reliable airlines from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

Can I find deals for flights from Louisiana to Pierre Elliott Trudeau Intl that include hotel bookings?

How can I find direct flights from Louisiana to Pierre Elliott Trudeau Intl?

Can I find deals for business class flights from Louisiana to Pierre Elliott Trudeau Intl?

What is the cheapest month to book a flight from Louisiana to Montreal Pierre Elliott Trudeau Intl Airport?

Travelling to a place near Louisiana?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisiana to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

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How does Cheapflights help users find flights from Louisiana to Pierre Elliott Trudeau Intl?

Why should you use Cheapflights to find cheap flight tickets from Louisiana to Pierre Elliott Trudeau Intl?

Can Cheapflights find flights from Louisiana to Pierre Elliott Trudeau Intl with no change fees?

Can Cheapflights notify me if prices for flights from Louisiana to Pierre Elliott Trudeau Intl become cheaper?

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Cheapest flights from Louisiana to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Louisiana to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.