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Pierre Elliott Trudeau Intl

$553+ Cheap flights from Boise (BOI) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — YUL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Boise to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$553
(American Airlines)

Popular in

December

Cheapest in

February

Average price

$782
From Boise Air Term. Gowen Fld to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 14% potential increase in price ($122 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Pierre Elliott Trudeau Intl

Cheapest flights from Boise to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Boise to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 10/251:26 pmBOI - YUL
1 stop20h 14mAmerican Airlines
Sat 11/15:24 pmYUL - BOI
1 stop22h 42mAmerican Airlines
Deal found 9/10$553
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/53:10 pmBOI - YUL
1 stop18h 44mUnited Airlines
Tue 10/78:05 amYUL - BOI
1 stop13h 10mUnited Airlines
Deal found 9/11$658
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/2512:35 pmBOI - YUL
2 stops21h 31mUnited Airlines
Sat 11/18:20 amYUL - BOI
2 stops15h 16mUnited Airlines
Deal found 9/10$665
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/59:00 amBOI - YUL
2 stops12h 29mDelta
Tue 10/77:00 amYUL - BOI
2 stops11h 06mDelta
Deal found 9/11$698
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/58:20 amBOI - YUL
1 stop24h 20mUnited Airlines
Sun 10/126:45 pmYUL - BOI
1 stop20h 45mUnited Airlines
Deal found 9/11$713
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/142:12 pmBOI - YUL
1 stop24h 08mUnited Airlines
Thu 10/166:15 amYUL - BOI
2 stops17h 09mUnited Airlines
Deal found 9/9$716
This Delta deal was found by Cheapflights users on 9/11. 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.
Wed 10/81:39 pmBOI - YUL
2 stops16h 58mDelta
Sat 10/116:00 amYUL - BOI
2 stops16h 16mDelta
Deal found 9/11$730
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/812:35 pmBOI - YUL
2 stops17h 54mUnited Airlines
Sun 10/124:45 pmYUL - BOI
1 stop22h 45mUnited Airlines
Deal found 9/11$736

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Pierre Elliott Trudeau 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 September 11, 2025.
Use the filters below to find and compare flights from Boise to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Boise

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 10/25

1:26 pm-11:40 am

1 stop20h 14m

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

5:24 pm-2:06 pm

1 stop22h 42m

$553

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 2/18

3:00 pm-8:47 am

2 stops15h 47m

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

7:45 pm-2:09 pm

2 stops20h 24m

$574

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sun 10/5

3:10 pm-11:54 am

1 stop18h 44m

Montreal Pierre Elliott Trudeau Intl

Tue 10/7

8:05 am-7:15 pm

1 stop13h 10m

$658

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 2/18

5:22 pm-4:58 pm

1 stop21h 36m

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

5:25 pm-9:43 am

1 stop18h 18m

$664

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sat 10/25

12:35 pm-12:06 pm

2 stops21h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

8:20 am-9:36 pm

2 stops15h 16m

$665

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Wed 2/18

2:17 pm-3:00 pm

2 stops22h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

3:45 pm-12:40 pm

1 stop22h 55m

$694

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Sun 10/5

8:20 am-10:40 am

1 stop24h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 10/12

6:45 pm-1:30 pm

1 stop20h 45m

$713

BoiseMontreal

BOI - YUL

BOIYUL

Boise Air Term. Gowen Fld

Tue 10/14

2:12 pm-4:20 pm

1 stop24h 08m

Montreal Pierre Elliott Trudeau Intl

Thu 10/16

6:15 am-9:24 pm

2 stops17h 09m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Boise 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.

Related info for your journey

Find useful and relevant information for your journey from Boise 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 airport do you fly from for flights from Boise to Montreal Pierre Elliott Trudeau Intl?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Montreal Pierre Elliott Trudeau Intl. You should not have trouble finding flights to Montreal Pierre Elliott Trudeau Intl from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Boise airport to Montreal Pierre Elliott Trudeau Intl. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Montreal Pierre Elliott Trudeau Intl Airport?

    Airlines like American Airlines, Delta, and United Airlines fly from Boise to Montreal Pierre Elliott Trudeau Intl Airport in about 15h 47m. The time it takes to get you to your destination can typically vary by up to 4h 27m. The distance from Boise to Montreal Pierre Elliott Trudeau Intl Airport is about 2071 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Yes. In addition to deals on Boise to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise 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 Boise to Pierre Elliott Trudeau Intl.

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boise to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Boise to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Sherbrooke
Dorval

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