$400 Cheap Flights from Montreal (YUL) to Idaho Falls (IDA)

View $400 flight on Tue, Aug 18, 2026Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)

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Cheap Flights from Montreal to Idaho Falls (YUL-IDA)

Prices were available within the past 7 days and start at $400 for one-way flights and $521 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 27 - Wed, Feb 11
YUL
Montreal
IDA
Idaho Falls
$521 Roundtrip, found 1 day ago
$521
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 27 from Montreal to Idaho Falls, returning Wed, Feb 11, priced at $521 found 1 day ago
Delta
Sun, Dec 7 - Tue, Dec 16
YUL
Montreal
IDA
Idaho Falls
$546 Roundtrip, found 1 day ago
$546
Roundtrip
found 1 day ago
Select Delta flight, departing Sun, Dec 7 from Montreal to Idaho Falls, returning Tue, Dec 16, priced at $546 found 1 day ago
Delta
Tue, Jan 27 - Sat, Feb 14
YUL
Montreal
IDA
Idaho Falls
$548 Roundtrip, found 1 day ago
$548
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 27 from Montreal to Idaho Falls, returning Sat, Feb 14, priced at $548 found 1 day ago
Delta
Thu, Jan 8 - Wed, Jan 21
YUL
Montreal
IDA
Idaho Falls
$554 Roundtrip, found 1 day ago
$554
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 8 from Montreal to Idaho Falls, returning Wed, Jan 21, priced at $554 found 1 day ago
Delta
Tue, Jan 13 - Wed, Jan 28
YUL
Montreal
IDA
Idaho Falls
$566 Roundtrip, found 1 day ago
$566
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 13 from Montreal to Idaho Falls, returning Wed, Jan 28, priced at $566 found 1 day ago
Delta
Fri, Jan 9 - Wed, Jan 21
YUL
Montreal
IDA
Idaho Falls
$571 Roundtrip, found 1 day ago
$571
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Montreal to Idaho Falls, returning Wed, Jan 21, priced at $571 found 1 day ago
Delta
Tue, Jan 27 - Tue, Feb 10
YUL
Montreal
IDA
Idaho Falls
$573 Roundtrip, found 1 day ago
$573
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 27 from Montreal to Idaho Falls, returning Tue, Feb 10, priced at $573 found 1 day ago
Delta
Wed, Jan 21 - Tue, Feb 3
YUL
Montreal
IDA
Idaho Falls
$595 Roundtrip, found 1 day ago
$595
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 21 from Montreal to Idaho Falls, returning Tue, Feb 3, priced at $595 found 1 day ago
United
Wed, Jan 7 - Tue, Jan 20
YUL
Montreal
IDA
Idaho Falls
$647 Roundtrip, found 1 day ago
$647
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 7 from Montreal to Idaho Falls, returning Tue, Jan 20, priced at $647 found 1 day ago
American Airlines
Mon, Dec 1 - Mon, Dec 22
YUL
Montreal
IDA
Idaho Falls
$681 Roundtrip, found 1 day ago
$681
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 1 from Montreal to Idaho Falls, returning Mon, Dec 22, priced at $681 found 1 day ago

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA) cost?
Get a cheap one-way flight from $400 or cheap return flight from $521 from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)?
The cheapest month to fly from YUL to IDA is January, when there's less demand. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)?
To find the cheapest airline flying from YUL to IDA, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)?
You'll have to catch a flight with a layover when traveling from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from YUL to IDA?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)?
To avoid possible delays on the Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA) route, aim to travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA) last-minute?
Last-minute fares from YUL to IDA are generally more expensive. To lock in the best prices, start searching for flights as soon as possible. That said, if you're flexible with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a YUL to IDA flight and hotel package?
Compared with arranging flights and hotels separately, booking a YUL to IDA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just pick your flights and select from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Idaho Falls Regional Airport (IDA)?
If you booked your YUL to IDA flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Idaho Falls Regional
Airlines serving
American Airlines, Delta, United
Roundtrip price
$521
Distance
1875 mi

Book with confidence

Montreal to Idaho Falls Flights

The cheapest times to fly from Montreal to Idaho Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Idaho Falls are during the month of January. You can find some of the cheapest flights from Montreal to Idaho Falls with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Idaho Falls

Sunday is one of the best days to book for cheap flights from Montreal to Idaho Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to Idaho Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Idaho Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from $400 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Idaho Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Idaho Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Montreal to Idaho Falls Flights

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*Available to One Key members.