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 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.

$189 Cheap Flights from Ontario to Idaho in 2026

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 - 9:24 pm-

16h 54m

10:36 am - 9:32 pm-

8h 56m

$300United Airlines

Sat, Aug 29 - Sat, Sep 5

1:00 pm - 10:40 pm-

11h 40m

10:36 am - 9:32 pm-

8h 56m

$310United Airlines

Sat, Aug 29 - Sat, Sep 5

7:55 am - 8:08 pm-

15h 13m

5:38 pm - 8:49 am-

12h 11m

$356Delta

Tue, Oct 27 - Mon, Nov 2

7:00 am - 11:28 am-

6h 28m

5:00 am - 9:32 pm-

14h 32m

$356United Airlines

Wed, Aug 19 - Tue, Aug 25

6:30 am - 11:44 am-

8h 14m

9:10 am - 11:04 pm-

10h 54m

$357Delta

Fri, Jan 29 - Tue, Feb 2

5:54 pm - 11:58 pm-

8h 04m

11:10 pm - 10:23 am-

9h 13m

$357Delta

Fri, Sep 25 - Mon, Sep 28

9:45 am - 4:09 pm-

9h 24m

12:40 pm - 12:01 am-

8h 21m

$363Delta

Tue, Nov 17 - Sat, Jan 9

2:55 pm - 10:27 pm-

9h 32m

7:00 am - 10:47 pm-

13h 47m

$364American Airlines

Thu, Oct 1 - Sat, Oct 10

7:00 am - 11:28 am-

6h 28m

11:52 am - 7:00 am-

17h 08m

$365United Airlines

Sat, Aug 22 - Thu, Sep 3

2:45 pm - 10:40 pm-

9h 55m

5:44 pm - 2:24 pm-

18h 40m

$366United Airlines

Tue, Aug 25 - Tue, Sep 1

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Air Canada flights from Region of Ontario to Idaho

Our best Air Canada deals on Region of Ontario to Idaho flight tickets

Air Canada

Aug 24

YYZ6:40 pmToronto Pearson Intl

16h 55m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Sep 2

BOI7:05 pmBoise Air Term. Gowen Fld

9h 55m

1 stop

YYZ7:00 amToronto Pearson Intl

$452

Air Canada

Aug 24

YYZ6:40 pmToronto Pearson Intl

16h 55m

1 stop

BOI9:35 amBoise Air Term. Gowen Fld

Sep 1

BOI8:15 amBoise Air Term. Gowen Fld

13h 02m

2 stops

YYZ11:17 pmToronto Pearson Intl

$462

Air Canada

Oct 20

YUL4:30 pmMontreal Pierre Elliott Trudeau Intl

7h 05m

1 stop

BOI9:35 pmBoise Air Term. Gowen Fld

Oct 24

BOI12:26 pmBoise Air Term. Gowen Fld

7h 00m

1 stop

YUL9:26 pmMontreal Pierre Elliott Trudeau Intl

$493

United Airlines flights from Region of Ontario to Idaho

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

United Airlines

Aug 29

YYZ6:30 amToronto Pearson Intl

16h 54m

1 stop

BOI9:24 pmBoise Air Term. Gowen Fld

Sep 5

BOI10:36 amBoise Air Term. Gowen Fld

8h 56m

1 stop

YYZ9:32 pmToronto Pearson Intl

$300

United Airlines

Aug 29

YYZ1:00 pmToronto Pearson Intl

11h 40m

2 stops

BOI10:40 pmBoise Air Term. Gowen Fld

Sep 5

BOI10:36 amBoise Air Term. Gowen Fld

8h 56m

1 stop

YYZ9:32 pmToronto Pearson Intl

$310

United Airlines

Aug 19

YYZ7:00 amToronto Pearson Intl

6h 28m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Aug 25

BOI5:00 amBoise Air Term. Gowen Fld

14h 32m

1 stop

YYZ9:32 pmToronto Pearson Intl

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 8/29

6:30 am-9:24 pm

1 stop16h 54m

Boise Air Term. Gowen Fld

Sat 9/5

10:36 am-9:32 pm

1 stop8h 56m

$300

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 8/29

1:00 pm-10:40 pm

2 stops11h 40m

Boise Air Term. Gowen Fld

Sat 9/5

10:36 am-9:32 pm

1 stop8h 56m

$310

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 10/27

7:55 am-8:08 pm

2 stops15h 13m

Spokane

Mon 11/2

5:38 pm-8:49 am

2 stops12h 11m

$356

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 8/19

7:00 am-11:28 am

1 stop6h 28m

Boise Air Term. Gowen Fld

Tue 8/25

5:00 am-9:32 pm

1 stop14h 32m

$356

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Fri 1/29

6:30 am-11:44 am

1 stop8h 14m

Spokane

Tue 2/2

9:10 am-11:04 pm

2 stops10h 54m

$357

Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 9/25

5:54 pm-11:58 pm

1 stop8h 04m

Boise Air Term. Gowen Fld

Mon 9/28

11:10 pm-10:23 am

1 stop9h 13m

$357

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 11/17

9:45 am-4:09 pm

2 stops9h 24m

Spokane

Sat 1/9

12:40 pm-12:01 am

1 stop8h 21m

$363

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 10/1

2:55 pm-10:27 pm

1 stop9h 32m

Boise Air Term. Gowen Fld

Sat 10/10

7:00 am-10:47 pm

1 stop13h 47m

$364

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 8/22

7:00 am-11:28 am

1 stop6h 28m

Boise Air Term. Gowen Fld

Thu 9/3

11:52 am-7:00 am

1 stop17h 08m

$365

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 8/25

2:45 pm-10:40 pm

2 stops9h 55m

Boise Air Term. Gowen Fld

Tue 9/1

5:44 pm-2:24 pm

2 stops18h 40m

$366

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 $310. If you don’t want to visit Idaho in November, then you should wait until September to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $315.

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

You could potentially save up to 19% 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 21m
Direct flights	None

The fastest flight from Region of Ontario to Idaho takes 6h 21m

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 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.