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

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

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

Prices for flights from Ontario to Idaho were last updated today.

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

The number of operators available for flights from Ontario to Idaho is 1 as of September 2025.

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

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 Ontario to Idaho.

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

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$176 Cheap Flights from Ontario to Idaho in 2025/26

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Find the cheapest flights from Ontario to Idaho

Round-trip

One-way

Cheap round-trip flights

7:00 am - 11:42 amYYZ-GEG

7h 42m1 stop

1:38 pm - 10:48 pmGEG-YYZ

6h 10m1 stop

$290United Airlines

Find Deal

jue., oct. 16 - mié., oct. 22

6:10 am - 12:35 pmYYZ-BOI

8h 25m1 stop

1:25 pm - 10:44 pmBOI-YYZ

7h 19m1 stop

$301American Airlines

Find Deal

vie., nov. 14 - mar., nov. 18

1:00 pm - 12:21 amYYZ-BOI

13h 21m2 stops

3:00 pm - 11:04 pmBOI-YYZ

6h 04m1 stop

$328Delta

Find Deal

vie., feb. 20 - mar., feb. 24

1:00 pm - 11:44 pmYYZ-GEG

13h 44m2 stops

6:30 am - 7:09 pmGEG-YYZ

9h 39m2 stops

$338Delta

Find Deal

vie., feb. 27 - mar., mar. 3

1:30 pm - 4:06 pmYYZ-BOI

28h 36m2 stops

9:00 am - 6:08 amBOI-YYZ

19h 08m2 stops

$403WestJet

Find Deal

dom., oct. 19 - dom., oct. 26

7:45 am - 6:25 pmYYZ-BOI

12h 40m2 stops

10:38 am - 6:13 amBOI-YYZ

17h 35m2 stops

$472WestJet

Find Deal

vie., feb. 20 - mar., feb. 24

6:45 am - 10:36 pmYUL-GEG

18h 51m3 stops

7:00 am - 3:12 pmGEG-YUL

29h 12m2 stops

$661Multiple Airlines

Find Deal

vie., oct. 17 - sáb., oct. 25

8:05 am - 11:15 pmYUL-GEG

18h 10m1 stop

7:15 am - 8:05 pmGEG-YUL

9h 50m1 stop

$686Multiple Airlines

Find Deal

sáb., oct. 11 - sáb., oct. 18

4:45 pm - 11:47 amYYZ-JAC

21h 02m2 stops

12:16 pm - 3:00 pmJAC-YYZ

24h 44m3 stops

$1,448Alaska Airlines

Find Deal

sáb., oct. 11 - sáb., oct. 18

4:45 pm - 11:47 amYYZ-JAC

21h 02m3 stops

12:19 pm - 3:35 pmJAC-YYZ

25h 16m3 stops

$1,558Alaska Airlines

Find Deal

mar., oct. 21 - mar., oct. 28

American Airlines flights from Region of Ontario to Idaho

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

American Airlines

Nov 14

YYZ6:10 amToronto Pearson Intl

8h 25m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

Nov 18

BOI1:25 pmBoise Air Term. Gowen Fld

7h 19m

1 stop

YYZ10:44 pmToronto Pearson Intl

$301

Find similar

American Airlines

Oct 16

YYZ6:30 amToronto Pearson Intl

8h 50m

1 stop

GEG12:20 pmSpokane

Oct 18

GEG1:12 pmSpokane

7h 17m

1 stop

YYZ11:29 pmToronto Pearson Intl

$345

Find similar

American Airlines

Feb 20

YYZ1:05 pmToronto Pearson Intl

10h 04m

2 stops

BOI9:09 pmBoise Air Term. Gowen Fld

Feb 24

BOI7:39 amBoise Air Term. Gowen Fld

11h 36m

2 stops

YYZ9:15 pmToronto Pearson Intl

$418

Find similar

WestJet flights from Region of Ontario to Idaho

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

WestJet

Oct 19

YYZ1:30 pmToronto Pearson Intl

28h 36m

2 stops

BOI4:06 pmBoise Air Term. Gowen Fld

Oct 26

BOI9:00 amBoise Air Term. Gowen Fld

19h 08m

2 stops

YYZ6:08 amToronto Pearson Intl

$403

Find similar

WestJet

Feb 20

YYZ7:45 amToronto Pearson Intl

12h 40m

2 stops

BOI6:25 pmBoise Air Term. Gowen Fld

Feb 24

BOI10:38 amBoise Air Term. Gowen Fld

17h 35m

2 stops

YYZ6:13 amToronto Pearson Intl

$472

Find similar

WestJet

Oct 2

YUL7:00 amMontreal Pierre Elliott Trudeau Intl

10h 49m

2 stops

GEG2:49 pmSpokane

Oct 6

GEG6:10 amSpokane

39h 31m

2 stops

YUL12:41 amMontreal Pierre Elliott Trudeau Intl

$793

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

jue. 10/16

7:00 am-11:42 am

1 stop7h 42m

Spokane

mié. 10/22

1:38 pm-10:48 pm

1 stop6h 10m

$290

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

vie. 11/14

6:10 am-12:35 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

mar. 11/18

1:25 pm-10:44 pm

1 stop7h 19m

$301

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

vie. 2/20

1:00 pm-12:21 am

2 stops13h 21m

Boise Air Term. Gowen Fld

mar. 2/24

3:00 pm-11:04 pm

1 stop6h 04m

$328

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

vie. 2/27

1:00 pm-11:44 pm

2 stops13h 44m

Spokane

mar. 3/3

6:30 am-7:09 pm

2 stops9h 39m

$338

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

dom. 10/19

1:30 pm-4:06 pm

2 stops28h 36m

Boise Air Term. Gowen Fld

dom. 10/26

9:00 am-6:08 am

2 stops19h 08m

$403

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

vie. 2/20

7:45 am-6:25 pm

2 stops12h 40m

Boise Air Term. Gowen Fld

mar. 2/24

10:38 am-6:13 am

2 stops17h 35m

$472

MontrealSpokane

YUL - GEG

YULGEG

Montreal Pierre Elliott Trudeau Intl

vie. 10/17

6:45 am-10:36 pm

3 stops18h 51m

Spokane

sáb. 10/25

7:00 am-3:12 pm

2 stops29h 12m

$661

MontrealSpokane

YUL - GEG

YULGEG

Montreal Pierre Elliott Trudeau Intl

sáb. 10/11

8:05 am-11:15 pm

1 stop18h 10m

Spokane

sáb. 10/18

7:15 am-8:05 pm

1 stop9h 50m

$686

TorontoJackson

YYZ - JAC

YYZJAC

Toronto Pearson Intl

sáb. 10/11

4:45 pm-11:47 am

2 stops21h 02m

Jackson Hole

sáb. 10/18

12:16 pm-3:00 pm

3 stops24h 44m

$1,448

TorontoJackson

YYZ - JAC

YYZJAC

Toronto Pearson Intl

mar. 10/21

4:45 pm-11:47 am

3 stops21h 02m

Jackson Hole

mar. 10/28

12:19 pm-3:35 pm

3 stops25h 16m

$1,558

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 Region of Ontario 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

What is the cheapest month to fly to Idaho?

In general, November is the cheapest month to fly from Region of Ontario to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $247. If you don’t want to visit Idaho in November, then you should wait until December to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $281.

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

Our data shows that Wednesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $431. On the other hand, Friday is the most expensive day to depart from Region of Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $734.

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

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Region of Ontario to Idaho in the afternoon for as low as $550. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $619 per ticket.

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

You could potentially save up to 17% on your flight if you consider stops on a Region of Ontario to Idaho flight.

Cheap Region of Ontario to Idaho flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Ontario to Idaho?
Prices for flights from Ontario to Idaho were last updated today.
How many operators does momondo search for flights from Ontario to Idaho?
The number of operators available for flights from Ontario to Idaho is 1 as of September 2025.
How old do you have to be to fly from Ontario to Idaho?
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 Ontario to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Region of Ontario to Idaho

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $372	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights

Why use momondo?

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

It is quick and easy to find Ontario to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

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

All flight searches from Ontario to Idaho on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Ontario to Idaho flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from Ontario and alert you when they change.