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

United Airlines, American Airlines, and Delta are the most popular carriers operating from Idaho to Ontario

How long is the flight from Idaho to Region of Ontario?

Average flight duration from Idaho to Region of Ontario depends on which airport you fly into and out of. Flying from Boise to Toronto Pearson Intl Airport is 6h 01m on average, while flying from Idaho Falls to Toronto Pearson Intl Airport is 6h 12m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

What airlines fly to Region of Ontario?

Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Region of Ontario from Idaho according to our data. Delta is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Idaho to Ontario are updated daily.

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

As of October 2025, there are 3 operators available to choose from for flights from Idaho to Ontario.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Ontario.

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

The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$154 Cheap Flights from Idaho to Ontario in 2025/26

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Find the cheapest flights from Idaho to Ontario

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:39 pm - 11:58 pmBOI-YYZ

8h 19m1 stop

5:10 pm - 12:09 amYYZ-BOI

8h 59m1 stop

$351Delta

Find Deal

Wed, Nov 5 - Wed, Dec 3

5:51 am - 3:35 pmGEG-YYZ

6h 44m1 stop

4:45 pm - 9:14 pmYYZ-GEG

7h 29m1 stop

$357Alaska Airlines

Find Deal

Thu, Nov 6 - Mon, Nov 10

11:12 am - 9:55 pmBOI-YYZ

8h 43m2 stops

5:10 pm - 12:09 amYYZ-BOI

8h 59m1 stop

$361Delta

Find Deal

Wed, Nov 5 - Wed, Dec 3

8:30 pm - 3:35 pmBOI-YYZ

17h 05m1 stop

4:45 pm - 10:20 pmYYZ-BOI

7h 35m1 stop

$362Alaska Airlines

Find Deal

Sat, Feb 28 - Wed, Mar 4

12:45 pm - 7:30 amGEG-YYZ

15h 45m1 stop

6:50 am - 11:31 amYYZ-GEG

7h 41m1 stop

$379United Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

9:48 am - 11:59 pmBOI-YYZ

12h 11m2 stops

4:10 pm - 9:52 pmYYZ-BOI

7h 42m1 stop

$382United Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

5:25 am - 12:22 amBOI-YYZ

16h 57m2 stops

1:30 pm - 12:08 amYYZ-BOI

12h 38m2 stops

$579WestJet

Find Deal

Sun, Oct 19 - Tue, Oct 21

10:38 am - 6:13 amBOI-YYZ

17h 35m2 stops

7:45 am - 6:25 pmYYZ-BOI

12h 40m2 stops

$581WestJet

Find Deal

Mon, Mar 9 - Fri, Mar 13

6:52 am - 11:02 pmIDA-YYZ

14h 10m2 stops

6:30 am - 9:48 pmYYZ-IDA

17h 18m2 stops

$641American Airlines

Find Deal

Sun, Oct 19 - Wed, Oct 22

2:17 pm - 3:00 pmBOI-YUL

22h 43m2 stops

3:45 pm - 12:40 pmYUL-BOI

22h 55m1 stop

$701American Airlines

Find Deal

Wed, Feb 18 - Fri, Feb 20

United Airlines flights from Idaho to Region of Ontario

Our best United Airlines deals on Idaho to Region of Ontario flight tickets

United Airlines

Oct 31

GEG12:45 pmSpokane

15h 45m

1 stop

YYZ7:30 amToronto Pearson Intl

Nov 7

YYZ6:50 amToronto Pearson Intl

7h 41m

1 stop

GEG11:31 amSpokane

$379

Find similar

United Airlines

Jan 22

BOI9:48 amBoise Air Term. Gowen Fld

12h 11m

2 stops

YYZ11:59 pmToronto Pearson Intl

Jan 25

YYZ4:10 pmToronto Pearson Intl

7h 42m

1 stop

BOI9:52 pmBoise Air Term. Gowen Fld

$382

Find similar

United Airlines

Oct 31

GEG1:47 pmSpokane

16h 49m

2 stops

YYZ9:36 amToronto Pearson Intl

Nov 7

YYZ9:00 pmToronto Pearson Intl

18h 45m

2 stops

GEG12:45 pmSpokane

$394

Find similar

Delta flights from Idaho to Region of Ontario

Our best Delta deals on Idaho to Region of Ontario flight tickets

Delta

Nov 5

BOI1:39 pmBoise Air Term. Gowen Fld

8h 19m

1 stop

YYZ11:58 pmToronto Pearson Intl

Dec 3

YYZ5:10 pmToronto Pearson Intl

8h 59m

1 stop

BOI12:09 amBoise Air Term. Gowen Fld

$351

Find similar

Delta

Nov 5

BOI11:12 amBoise Air Term. Gowen Fld

8h 43m

2 stops

YYZ9:55 pmToronto Pearson Intl

Dec 3

YYZ5:10 pmToronto Pearson Intl

8h 59m

1 stop

BOI12:09 amBoise Air Term. Gowen Fld

$361

Find similar

Delta

Nov 5

BOI6:00 amBoise Air Term. Gowen Fld

13h 55m

2 stops

YYZ9:55 pmToronto Pearson Intl

Dec 3

YYZ9:52 amToronto Pearson Intl

16h 17m

2 stops

BOI12:09 amBoise Air Term. Gowen Fld

$366

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 11/5

1:39 pm-11:58 pm

1 stop8h 19m

Toronto Pearson Intl

Wed 12/3

5:10 pm-12:09 am

1 stop8h 59m

$351

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 11/6

5:51 am-3:35 pm

1 stop6h 44m

Toronto Pearson Intl

Mon 11/10

4:45 pm-9:14 pm

1 stop7h 29m

$357

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Wed 11/5

11:12 am-9:55 pm

2 stops8h 43m

Toronto Pearson Intl

Wed 12/3

5:10 pm-12:09 am

1 stop8h 59m

$361

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sat 2/28

8:30 pm-3:35 pm

1 stop17h 05m

Toronto Pearson Intl

Wed 3/4

4:45 pm-10:20 pm

1 stop7h 35m

$362

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Fri 10/31

12:45 pm-7:30 am

1 stop15h 45m

Toronto Pearson Intl

Fri 11/7

6:50 am-11:31 am

1 stop7h 41m

$379

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Thu 1/22

9:48 am-11:59 pm

2 stops12h 11m

Toronto Pearson Intl

Sun 1/25

4:10 pm-9:52 pm

1 stop7h 42m

$382

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Sun 10/19

5:25 am-12:22 am

2 stops16h 57m

Toronto Pearson Intl

Tue 10/21

1:30 pm-12:08 am

2 stops12h 38m

$579

BoiseToronto

BOI - YYZ

BOIYYZ

Boise Air Term. Gowen Fld

Mon 3/9

10:38 am-6:13 am

2 stops17h 35m

Toronto Pearson Intl

Fri 3/13

7:45 am-6:25 pm

2 stops12h 40m

$581

Idaho FallsToronto

IDA - YYZ

IDAYYZ

Idaho Falls Fanning Field

Sun 10/19

6:52 am-11:02 pm

2 stops14h 10m

Toronto Pearson Intl

Wed 10/22

6:30 am-9:48 pm

2 stops17h 18m

$641

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

$701

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 Idaho to Region of Ontario

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 Region of Ontario?

The month of February is, on average, the cheapest month to fly to Region of Ontario from Idaho, with most prices found around $181. If you aren’t able to travel during the month of February, then book flights to Region of Ontario from Idaho during June instead. Flights to Region of Ontario in June, while not as cheap as those in February, still average around $200.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Monday is the cheapest day to fly to Region of Ontario from Idaho. The lowest ticket price found for a Monday departure recently was $366. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Idaho to Region of Ontario on a Friday will generally be more expensive and average around $731. 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 Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the evening. momondo users have found flights departing from Idaho to Region of Ontario in the evening for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights at noon are often more expensive with an average ticket price of $574.

Can stopping save me money on Idaho to Region of Ontario flights?

You could potentially save up to 50% on your flight if you consider stops on a Idaho to Region of Ontario flight.

Cheap Idaho to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Region of Ontario

Direct flights	None

There are no direct flights from Idaho to Region of Ontario. There are no popular flight routes from Idaho to Region of Ontario.

Search flight deals

When did momondo last update prices for flights from Idaho to Ontario?
Prices for flights from Idaho to Ontario are updated daily.
How many operators does momondo search for flights from Idaho to Ontario?
As of October 2025, there are 3 operators available to choose from for flights from Idaho to Ontario.
How old do you have to be to fly from Idaho to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Region of Ontario

Compare and see reviews for airlines that fly from Idaho to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $158	Free Cancellation	Rating 7.9 7,962 reviews	Search Delta flights
Alaska Airlines	PriceFrom $255	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 8,933 reviews	Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Idaho to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Idaho to Ontario 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 Idaho to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.