Idaho

$250+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Idaho

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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BOI
Aug 18 — Aug 251
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Cheap flight deals from Pierre Elliott Trudeau Intl to Idaho

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Idaho flight deals. Data was last updated August 13, 2025.

Round-trip from

$489
(American Airlines)

One-way from

$250
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$684
From Montreal Pierre Elliott Trudeau Intl to Idaho
One-way flight from Montreal Pierre Elliott Trudeau Intl to Idaho
Highest demand for flights based on searches. 26% potential increase in price ($178 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Pierre Elliott Trudeau Intl to Idaho

Cheapest flights from Pierre Elliott Trudeau Intl to Idaho
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2025.

This American Airlines deal was found by Cheapflights users on 8/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:15 pmYUL - JAC
1 stop24h 13mAmerican Airlines
Thu 10/21:03 pmJAC - YUL
1 stop25h 30mAmerican Airlines
Deal found 8/11$489
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:55 pmYUL - BOI
2 stops13h 02mDelta
Sat 10/47:30 amBOI - YUL
2 stops13h 48mDelta
Deal found 8/12$491
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:25 amYUL - BOI
2 stops14h 37mAmerican Airlines
Sat 10/41:07 pmBOI - YUL
1 stop20h 39mAmerican Airlines
Deal found 8/12$496
This Delta deal was found by Cheapflights users on 8/11. 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 10/1512:36 pmYUL - BOI
2 stops13h 32mDelta
Mon 10/207:45 pmBOI - YUL
2 stops13h 46mDelta
Deal found 8/11$501
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/255:15 pmYUL - JAC
1 stop21h 06mAmerican Airlines
Mon 9/294:18 pmJAC - YUL
2 stops17h 27mAmerican Airlines
Deal found 8/10$541
This Delta deal was found by Cheapflights users on 8/11. 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.
Tue 9/92:48 pmYUL - WYS
2 stops26h 02mDelta
Tue 9/163:27 pmWYS - YUL
2 stops30h 29mDelta
Deal found 8/11$588
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:45 amYUL - BOI
3 stops32h 36mMultiple Airlines
Sat 10/42:16 pmBOI - YUL
2 stops22h 34mMultiple Airlines
Deal found 8/12$599
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/156:15 amYUL - BOI
1 stop7h 24mUnited Airlines
Mon 10/207:05 pmBOI - YUL
1 stop11h 11mUnited Airlines
Deal found 8/11$631
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/259:45 amYUL - JAC
2 stops13h 04mUnited Airlines
Mon 9/295:56 pmJAC - YUL
2 stops14h 44mUnited Airlines
Deal found 8/10$687
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 8/286:15 amYUL - GEG
2 stops11h 58mUnited Airlines
Tue 9/25:15 amGEG - YUL
2 stops13h 51mUnited Airlines
Deal found 8/11$691
This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 8/2812:55 pmYUL - GEG
2 stops13h 53mDelta
Tue 9/22:21 pmGEG - YUL
1 stop5h 55mDelta
Deal found 8/11$713
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.
Fri 8/229:45 amYUL - WYS
2 stops25h 52mUnited Airlines
Mon 8/251:51 pmWYS - YUL
2 stops23h 10mUnited Airlines
Deal found 8/12$804

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Idaho 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 13, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Idaho that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Idaho

Route

Depart

Return

Price

MontrealJackson

YUL - JAC

YULJAC

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

5:15 pm-3:28 pm

1 stop24h 13m

Jackson Hole

Thu 10/2

1:03 pm-4:33 pm

1 stop25h 30m

$489

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

12:55 pm-11:57 pm

2 stops13h 02m

Boise Air Term. Gowen Fld

Sat 10/4

7:30 am-11:18 pm

2 stops13h 48m

$491

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

7:25 am-8:02 pm

2 stops14h 37m

Boise Air Term. Gowen Fld

Sat 10/4

1:07 pm-11:46 am

1 stop20h 39m

$496

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

12:36 pm-12:08 am

2 stops13h 32m

Boise Air Term. Gowen Fld

Mon 10/20

7:45 pm-11:31 am

2 stops13h 46m

$501

MontrealJackson

YUL - JAC

YULJAC

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

5:15 pm-12:21 pm

1 stop21h 06m

Jackson Hole

Mon 9/29

4:18 pm-11:45 am

2 stops17h 27m

$541

MontrealWest Yellowstone

YUL - WYS

YULWYS

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

2:48 pm-2:50 pm

2 stops26h 02m

West Yellowstone

Tue 9/16

3:27 pm-11:56 pm

2 stops30h 29m

$588

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

6:45 am-1:21 pm

3 stops32h 36m

Boise Air Term. Gowen Fld

Sat 10/4

2:16 pm-2:50 pm

2 stops22h 34m

$599

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:15 am-11:39 am

1 stop7h 24m

Boise Air Term. Gowen Fld

Mon 10/20

7:05 pm-8:16 am

1 stop11h 11m

$631

MontrealSpokane

YUL - GEG

YULGEG

Montreal Pierre Elliott Trudeau Intl

Thu 1/1

3:45 pm-12:59 pm

1 stop24h 14m

Spokane

Fri 1/9

1:40 pm-3:00 pm

1 stop22h 20m

$684

MontrealJackson

YUL - JAC

YULJAC

Montreal Pierre Elliott Trudeau Intl

Thu 9/25

9:45 am-8:49 pm

2 stops13h 04m

Jackson Hole

Mon 9/29

5:56 pm-10:40 am

2 stops14h 44m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 29 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Idaho

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

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Idaho?

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Idaho?

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Idaho (average of $314). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Idaho in June is currently the most expensive (average of $399). 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.

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