What is the cheapest airline that flies from Toronto to Idaho?

Alaska Airlines, United Airlines, and American Airlines are the most popular carriers operating from Toronto to Idaho

Which airlines fly to Idaho?

United Airlines, Air Canada and Delta are the top three most popular airlines that fly to Idaho from Toronto according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How long is the flight from Toronto to Idaho?

The flight from Toronto to Idaho depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Toronto (a popular airport in Toronto) to Boise (the most popular airport in Idaho), then the flight time is 14h 43m on average. If you fly from Hamilton (another popular airport in Toronto) to Boise, then the average flight time is 15h 11m.

When did momondo last update prices for flights from Toronto to Idaho?

Prices for flights from Toronto to Idaho refresh daily.

How many operators does momondo search for flights from Toronto to Idaho?

The number of operators available for flights from Toronto to Idaho is 4 as of October 2025.

How old do you have to be to fly from Toronto to Idaho?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 236 Cheap Flights from Toronto to Idaho in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Toronto to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 p.m. - 12:23 a.m.YYZ-GEG

10h 38m1 stop

12:10 p.m. - 3:35 p.m.GEG-YYZ

24h 25m1 stop

C$ 394Alaska Airlines

Find Deal

Sat, 31 Jan - Sun, 1 Feb

6:10 a.m. - 12:02 p.m.YYZ-GEG

8h 52m1 stop

1:12 p.m. - 11:59 p.m.GEG-YYZ

7h 47m1 stop

C$ 399Delta

Find Deal

Wed, 3 Dec - Fri, 12 Dec

11:00 a.m. - 9:22 p.m.YYZ-GEG

13h 22m2 stops

4:10 p.m. - 2:20 p.m.GEG-YYZ

19h 10m2 stops

C$ 401United Airlines

Find Deal

Sat, 31 Jan - Sun, 1 Feb

4:10 p.m. - 8:59 p.m.YYZ-GEG

7h 49m1 stop

5:25 a.m. - 3:02 p.m.GEG-YYZ

6h 37m1 stop

C$ 447United Airlines

Find Deal

Tue, 2 Dec - Wed, 10 Dec

6:20 p.m. - 12:30 p.m.YYZ-GEG

21h 10m1 stop

1:14 p.m. - 12:32 p.m.GEG-YYZ

20h 18m1 stop

C$ 473American Airlines

Find Deal

Tue, 2 Dec - Fri, 12 Dec

7:00 a.m. - 11:07 p.m.YYZ-IDA

18h 07m2 stops

2:02 p.m. - 1:02 p.m.IDA-YYZ

21h 00m2 stops

C$ 503American Airlines

Find Deal

Tue, 24 Feb - Thu, 26 Feb

1:30 p.m. - 6:52 p.m.YYZ-BOI

31h 22m2 stops

7:30 a.m. - 1:31 a.m.BOI-YYZ

16h 01m2 stops

C$ 577WestJet

Find Deal

Tue, 2 Dec - Sun, 4 Jan

7:45 a.m. - 11:50 p.m.YYZ-BOI

18h 05m2 stops

6:08 a.m. - 3:35 p.m.BOI-YYZ

7h 27m1 stop

C$ 584Multiple Airlines

Find Deal

Tue, 2 Dec - Sun, 4 Jan

1:30 p.m. - 6:54 p.m.YYZ-BOI

31h 24m2 stops

11:42 a.m. - 6:08 a.m.BOI-YYZ

16h 26m2 stops

C$ 641WestJet

Find Deal

Mon, 10 Nov - Mon, 17 Nov

9:35 a.m. - 2:20 p.m.YYZ-IDA

30h 45m1 stop

6:00 a.m. - 3:35 p.m.IDA-YYZ

31h 35m1 stop

C$ 690Multiple Airlines

Find Deal

Thu, 18 Dec - Wed, 31 Dec

WestJet flights from Toronto to Idaho

Our best WestJet deals on Toronto to Idaho flight tickets

WestJet

2 Dec

YYZ1:30 p.m.Toronto Pearson Intl

31h 22m

2 stops

BOI6:52 p.m.Boise Air Term. Gowen Fld

4 Jan

BOI7:30 a.m.Boise Air Term. Gowen Fld

16h 01m

2 stops

YYZ1:31 a.m.Toronto Pearson Intl

C$ 577

Find similar

WestJet

10 Nov

YYZ1:30 p.m.Toronto Pearson Intl

31h 24m

2 stops

BOI6:54 p.m.Boise Air Term. Gowen Fld

17 Nov

BOI11:42 a.m.Boise Air Term. Gowen Fld

16h 26m

2 stops

YYZ6:08 a.m.Toronto Pearson Intl

C$ 641

Find similar

WestJet

27 Feb

YYZ10:15 p.m.Toronto Pearson Intl

17h 45m

2 stops

GEG1:00 p.m.Spokane

3 Mar

GEG1:00 p.m.Spokane

14h 10m

2 stops

YYZ6:10 a.m.Toronto Pearson Intl

C$ 715

Find similar

Alaska Airlines flights from Toronto to Idaho

Our best Alaska Airlines deals on Toronto to Idaho flight tickets

Alaska Airlines

31 Jan

YYZ4:45 p.m.Toronto Pearson Intl

10h 38m

1 stop

GEG12:23 a.m.Spokane

1 Feb

GEG12:10 p.m.Spokane

24h 25m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

C$ 394

Find similar

Alaska Airlines

20 Feb

YYZ4:45 p.m.Toronto Pearson Intl

7h 35m

1 stop

BOI10:20 p.m.Boise Air Term. Gowen Fld

24 Feb

BOI6:28 a.m.Boise Air Term. Gowen Fld

7h 07m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

C$ 451

Find similar

Alaska Airlines

20 Feb

YYZ4:45 p.m.Toronto Pearson Intl

7h 35m

1 stop

BOI10:20 p.m.Boise Air Term. Gowen Fld

24 Feb

BOI6:28 a.m.Boise Air Term. Gowen Fld

7h 07m

1 stop

YYZ3:35 p.m.Toronto Pearson Intl

C$ 496

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Sat 31/1

4:45 p.m.-12:23 a.m.

1 stop10h 38m

Spokane

Sun 1/2

12:10 p.m.-3:35 p.m.

1 stop24h 25m

C$ 394

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 3/12

6:10 a.m.-12:02 p.m.

1 stop8h 52m

Spokane

Fri 12/12

1:12 p.m.-11:59 p.m.

1 stop7h 47m

C$ 399

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Sat 31/1

11:00 a.m.-9:22 p.m.

2 stops13h 22m

Spokane

Sun 1/2

4:10 p.m.-2:20 p.m.

2 stops19h 10m

C$ 401

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 2/12

4:10 p.m.-8:59 p.m.

1 stop7h 49m

Spokane

Wed 10/12

5:25 a.m.-3:02 p.m.

1 stop6h 37m

C$ 447

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 2/12

6:20 p.m.-12:30 p.m.

1 stop21h 10m

Spokane

Fri 12/12

1:14 p.m.-12:32 p.m.

1 stop20h 18m

C$ 473

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Tue 24/2

7:00 a.m.-11:07 p.m.

2 stops18h 07m

Idaho Falls Fanning Field

Thu 26/2

2:02 p.m.-1:02 p.m.

2 stops21h 00m

C$ 503

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 2/12

1:30 p.m.-6:52 p.m.

2 stops31h 22m

Boise Air Term. Gowen Fld

Sun 4/1

7:30 a.m.-1:31 a.m.

2 stops16h 01m

C$ 577

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 2/12

7:45 a.m.-11:50 p.m.

2 stops18h 05m

Boise Air Term. Gowen Fld

Sun 4/1

6:08 a.m.-3:35 p.m.

1 stop7h 27m

C$ 584

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Mon 10/11

1:30 p.m.-6:54 p.m.

2 stops31h 24m

Boise Air Term. Gowen Fld

Mon 17/11

11:42 a.m.-6:08 a.m.

2 stops16h 26m

C$ 641

TorontoIdaho Falls

YYZ - IDA

YYZIDA

Toronto Pearson Intl

Thu 18/12

9:35 a.m.-2:20 p.m.

1 stop30h 45m

Idaho Falls Fanning Field

Wed 31/12

6:00 a.m.-3:35 p.m.

1 stop31h 35m

C$ 690

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Toronto to Idaho

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

If you aren’t able to travel during the month of November, then book flights to Idaho from Toronto during December instead. Flights to Idaho in December, while not as cheap as those in November, still average around C$ 392.

What is the cheapest day to depart on your flight to Idaho?

On average, the least expensive day to fly to Idaho from Toronto is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as C$ 437. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Toronto to Idaho on a Sunday will generally be more expensive and average around C$ 979. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Idaho?

Our most recent data shows that the best time of day to fly to Idaho is at noon. Flights from Toronto to Idaho during this time can be as low as C$ 555. Flights to Idaho are more costly in the afternoon, with an average ticket price of C$ 665. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Toronto to Idaho flights?

You could potentially save up to 7% on your flight if you consider stops on a Toronto to Idaho flight.

Cheap Toronto to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to Idaho

Direct flights	None

There are no direct flights from Toronto to Idaho. There are no popular flight routes from Toronto to Idaho.

Search flight deals

When did momondo last update prices for flights from Toronto to Idaho?
Prices for flights from Toronto to Idaho refresh daily.
How many operators does momondo search for flights from Toronto to Idaho?
The number of operators available for flights from Toronto to Idaho is 4 as of October 2025.
How old do you have to be to fly from Toronto to Idaho?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Toronto to Idaho

Compare and see reviews for airlines that fly from Toronto to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 366	Free Cancellation	Rating 7.1 10,376 reviews	Search Air Canada flights
Delta	PriceFrom C$ 385	Free Cancellation	Rating 7.9 7,993 reviews	Search Delta flights
United Airlines	PriceFrom C$ 432	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Idaho?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Toronto to Idaho. momondo saves you time and could save you money on your trip.

Can I find flights from Toronto to Idaho with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Idaho from Toronto with this policy.

How can momondo help me find flights from Toronto to Idaho?

Once all potential Toronto to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Toronto to Idaho right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Toronto to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.