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

Delta, United Airlines, and American Airlines 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 May 2026.

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.

$192 Cheap Flights from Ontario to Idaho in 2026

1 adult

0 bags

Find the cheapest flights from Ontario to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 am - 1:18 pm

YYZ

BOI

8h 48m

1 stop

11:39 pm - 12:19 pm

BOI

YYZ

10h 40m

1 stop

$320Delta

Thu, May 28 - Mon, Jun 1

5:45 pm - 11:35 pm

YYZ

GEG

8h 50m

1 stop

6:49 am - 9:55 pm

GEG

YYZ

12h 06m

2 stops

$320Delta

Wed, May 27 - Wed, Jun 3

1:30 pm - 10:28 pm

YYZ

BOI

10h 58m

2 stops

6:07 pm - 5:45 am

BOI

YYZ

9h 38m

2 stops

$342WestJet

Fri, Jul 10 - Tue, Jul 14

12:00 pm - 9:13 pm

YYZ

GEG

12h 13m

2 stops

5:39 pm - 10:45 pm

GEG

YYZ

26h 06m

2 stops

$342WestJet

Wed, May 27 - Wed, Jun 3

6:30 am - 4:44 pm

YYZ

BOI

12h 14m

1 stop

7:05 pm - 7:00 am

BOI

YYZ

9h 55m

1 stop

$346United Airlines

Thu, May 28 - Mon, Jun 1

9:45 am - 9:25 pm

YUL

BOI

13h 40m

2 stops

5:44 pm - 2:40 pm

BOI

YUL

18h 56m

2 stops

$534United Airlines

Mon, Aug 31 - Tue, Sep 1

7:20 am - 3:12 pm

YYZ

JAC

9h 52m

1 stop

3:32 pm - 9:59 am

JAC

YYZ

16h 27m

2 stops

$624American Airlines

Tue, Sep 8 - Tue, Sep 15

7:20 am - 3:12 pm

YYZ

JAC

9h 52m

1 stop

3:32 pm - 12:30 pm

JAC

YYZ

18h 58m

1 stop

$629American Airlines

Tue, Sep 8 - Tue, Sep 15

8:35 pm - 11:20 am

YHM

JAC

16h 45m

2 stops

12:00 pm - 7:10 am

JAC

YHM

17h 10m

2 stops

$1,627Multiple Airlines

Fri, Jul 3 - Mon, Jul 13

8:35 pm - 11:20 am

YHM

JAC

16h 45m

2 stops

12:00 pm - 6:25 am

JAC

YHM

16h 25m

2 stops

$1,823Multiple Airlines

Thu, Jun 25 - Mon, Jun 29

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WestJet flights from Region of Ontario to Idaho

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

WestJet

Jul 10

YYZ1:30 pmToronto Pearson Intl

10h 58m

2 stops

BOI10:28 pmBoise Air Term. Gowen Fld

Jul 14

BOI6:07 pmBoise Air Term. Gowen Fld

9h 38m

2 stops

YYZ5:45 amToronto Pearson Intl

$342

WestJet

May 28

YYZ1:30 pmToronto Pearson Intl

10h 43m

2 stops

GEG9:13 pmSpokane

Jun 1

GEG7:25 amSpokane

10h 50m

2 stops

YYZ9:15 pmToronto Pearson Intl

$363

WestJet

Jun 14

YYZ12:00 pmToronto Pearson Intl

29h 12m

2 stops

BOI3:12 pmBoise Air Term. Gowen Fld

Jun 21

BOI6:10 pmBoise Air Term. Gowen Fld

26h 35m

2 stops

YYZ10:45 pmToronto Pearson Intl

$396

United Airlines flights from Region of Ontario to Idaho

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

United Airlines

May 28

YYZ6:30 amToronto Pearson Intl

12h 14m

1 stop

BOI4:44 pmBoise Air Term. Gowen Fld

Jun 1

BOI7:05 pmBoise Air Term. Gowen Fld

9h 55m

1 stop

YYZ7:00 amToronto Pearson Intl

$346

United Airlines

May 28

YYZ7:00 amToronto Pearson Intl

7h 48m

1 stop

GEG11:48 amSpokane

Jun 1

GEG5:00 amSpokane

15h 23m

1 stop

YYZ11:23 pmToronto Pearson Intl

$400

United Airlines

Aug 13

YYZ6:40 pmToronto Pearson Intl

16h 55m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Aug 17

BOI5:44 pmBoise Air Term. Gowen Fld

21h 17m

2 stops

YYZ5:01 pmToronto Pearson Intl

$404

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 5/28

6:30 am-1:18 pm

1 stop8h 48m

Boise Air Term. Gowen Fld

Mon 6/1

11:39 pm-12:19 pm

1 stop10h 40m

$320

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 5/27

5:45 pm-11:35 pm

1 stop8h 50m

Spokane

Wed 6/3

6:49 am-9:55 pm

2 stops12h 06m

$320

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 7/10

1:30 pm-10:28 pm

2 stops10h 58m

Boise Air Term. Gowen Fld

Tue 7/14

6:07 pm-5:45 am

2 stops9h 38m

$342

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 5/27

12:00 pm-9:13 pm

2 stops12h 13m

Spokane

Wed 6/3

5:39 pm-10:45 pm

2 stops26h 06m

$342

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 5/28

6:30 am-4:44 pm

1 stop12h 14m

Boise Air Term. Gowen Fld

Mon 6/1

7:05 pm-7:00 am

1 stop9h 55m

$346

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Mon 8/31

9:45 am-9:25 pm

2 stops13h 40m

Boise Air Term. Gowen Fld

Tue 9/1

5:44 pm-2:40 pm

2 stops18h 56m

$534

TorontoJackson

YYZ - JAC

YYZJAC

Toronto Pearson Intl

Tue 9/8

7:20 am-3:12 pm

1 stop9h 52m

Jackson Hole

Tue 9/15

3:32 pm-9:59 am

2 stops16h 27m

$624

TorontoJackson

YYZ - JAC

YYZJAC

Toronto Pearson Intl

Tue 9/8

7:20 am-3:12 pm

1 stop9h 52m

Jackson Hole

Tue 9/15

3:32 pm-12:30 pm

1 stop18h 58m

$629

HamiltonJackson

YHM - JAC

YHMJAC

Hamilton

Fri 7/3

8:35 pm-11:20 am

2 stops16h 45m

Jackson Hole

Mon 7/13

12:00 pm-7:10 am

2 stops17h 10m

$1,627

HamiltonJackson

YHM - JAC

YHMJAC

Hamilton

Thu 6/25

8:35 pm-11:20 am

2 stops16h 45m

Jackson Hole

Mon 6/29

12:00 pm-6:25 am

2 stops16h 25m

$1,823

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, January 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 $0. If you don’t want to visit Idaho in January, then you should wait until March to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $243.

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

Fastest flight time	6h 14m
Direct flights	None

The fastest flight from Region of Ontario to Idaho takes 6h 14m

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

Frequently asked questions about flying 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 May 2026.
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.

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.