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

United Airlines, Delta, 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 September 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.

$231 Cheap Flights from Ontario to Idaho in 2026/27

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.

12:49 pm - 8:36 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

9h 47m1 stop Minneapolis St Paul

11:10 pm - 11:09 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 59m1 stop Atlanta Hartsfield-Jackson

$383Delta

Thu, Nov 5 - Mon, Nov 9

7:00 am - 11:28 amYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

6h 28m1 stop Chicago O'Hare Intl

2:35 pm - 7:00 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

14h 25m1 stop San Francisco

$384United Airlines

Sat, Oct 24 - Sat, Oct 24

1:34 pm - 10:00 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 26m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

6h 15m1 stop Minneapolis St Paul

$388Delta

Fri, Oct 2 - Sat, Oct 10

7:00 am - 11:28 amYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

6h 28m1 stop Chicago O'Hare Intl

6:50 pm - 7:00 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

10h 10m1 stop San Francisco

$388United Airlines

Sat, Oct 17 - Tue, Oct 20

11:38 am - 9:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

12h 19m1 stop Atlanta Hartsfield-Jackson

3:00 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

6h 15m1 stop Minneapolis St Paul

$389Delta

Thu, Oct 22 - Sat, Oct 24

11:38 am - 9:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

12h 19m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 10:23 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 13m1 stop Atlanta Hartsfield-Jackson

$389Delta

Mon, Oct 19 - Sun, Oct 25

5:49 pm - 11:59 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

8h 10m1 stop Salt Lake City

11:10 pm - 12:19 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

11h 09m1 stop Atlanta Hartsfield-Jackson

$389Delta

Thu, Oct 22 - Sun, Oct 25

11:38 am - 9:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

12h 19m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 12:19 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

11h 09m1 stop Atlanta Hartsfield-Jackson

$389Delta

Mon, Oct 19 - Fri, Oct 23

11:38 am - 9:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

12h 19m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 12:19 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

11h 09m1 stop Atlanta Hartsfield-Jackson

$389Delta

Mon, Oct 19 - Thu, Oct 22

11:38 am - 9:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

12h 19m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 12:19 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

11h 09m1 stop Atlanta Hartsfield-Jackson

$389Delta

Thu, Oct 22 - Fri, Oct 23

Cheap last minute flights

Enter your travel dates to find the best prices.

5:54 pm - 11:58 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

8h 04m1 stop Salt Lake City

11:10 pm - 11:09 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 59m1 stop Atlanta Hartsfield-Jackson

$454Delta

Fri, Sep 25 - Thu, Nov 12

5:54 pm - 11:58 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

8h 04m1 stop Salt Lake City

1:41 pm - 11:57 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

8h 16m1 stop Atlanta Hartsfield-Jackson

$454Delta

Fri, Sep 25 - Wed, Nov 11

6:30 am - 3:31 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

11h 01m1 stop San Francisco

6:30 am - 3:02 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

6h 32m1 stop Denver Intl

$454United Airlines

Fri, Sep 25 - Sat, Nov 7

1:00 pm - 9:35 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 35m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 4:08 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

7h 48m1 stop San Francisco

$454United Airlines

Sat, Sep 26 - Thu, Nov 12

12:25 pm - 8:57 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 32m1 stop Minneapolis St Paul

11:10 pm - 11:09 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 59m1 stop Atlanta Hartsfield-Jackson

$454Delta

Sat, Sep 26 - Thu, Nov 12

1:00 pm - 9:35 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 35m2 stops Chicago O'Hare Intl Denver Intl

12:00 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 59m2 stops San Francisco Chicago O'Hare Intl

$454United Airlines

Sat, Sep 26 - Tue, Nov 10

1:00 pm - 9:35 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 35m2 stops Chicago O'Hare Intl Denver Intl

5:00 am - 4:47 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

9h 47m2 stops Denver Intl Chicago O'Hare Intl

$454United Airlines

Sat, Sep 26 - Wed, Nov 11

1:00 pm - 9:35 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

10h 35m2 stops Chicago O'Hare Intl Denver Intl

6:20 am - 4:08 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

7h 48m1 stop San Francisco

$454United Airlines

Sat, Sep 26 - Sun, Nov 8

10:45 am - 10:33 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

13h 48m1 stop Denver Intl

6:20 am - 4:08 pmBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

7h 48m1 stop San Francisco

$454United Airlines

Sat, Sep 26 - Sun, Nov 8

6:30 am - 9:39 pmYYZ Toronto Pearson Intl-BOI Boise Air Term. Gowen Fld

17h 09m1 stop San Francisco

7:10 pm - 7:30 amBOI Boise Air Term. Gowen Fld-YYZ Toronto Pearson Intl

10h 20m1 stop San Francisco

$454United Airlines

Sat, Sep 26 - Mon, Nov 9

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United Airlines flights from Region of Ontario to Idaho

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

United Airlines

Oct 24

YYZ7:00 amToronto Pearson Intl

6h 28m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Oct 24

BOI2:35 pmBoise Air Term. Gowen Fld

14h 25m

1 stop

YYZ7:00 amToronto Pearson Intl

$384

United Airlines

Oct 17

YYZ7:00 amToronto Pearson Intl

6h 28m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Oct 20

BOI6:50 pmBoise Air Term. Gowen Fld

10h 10m

1 stop

YYZ7:00 amToronto Pearson Intl

$388

United Airlines

Oct 20

YYZ6:30 amToronto Pearson Intl

8h 28m

1 stop

BOI12:58 pmBoise Air Term. Gowen Fld

Oct 26

BOI7:10 pmBoise Air Term. Gowen Fld

10h 20m

1 stop

YYZ7:30 amToronto Pearson Intl

$396

Delta flights from Region of Ontario to Idaho

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

Delta

Oct 2

YYZ1:34 pmToronto Pearson Intl

10h 26m

1 stop

BOI10:00 pmBoise Air Term. Gowen Fld

Oct 10

BOI3:00 pmBoise Air Term. Gowen Fld

6h 15m

1 stop

YYZ11:15 pmToronto Pearson Intl

$388

Delta

Oct 18

YYZ11:38 amToronto Pearson Intl

12h 19m

1 stop

BOI9:57 pmBoise Air Term. Gowen Fld

Oct 22

BOI11:10 pmBoise Air Term. Gowen Fld

9h 13m

1 stop

YYZ10:23 amToronto Pearson Intl

$389

Delta

Oct 18

YYZ11:38 amToronto Pearson Intl

12h 19m

1 stop

BOI9:57 pmBoise Air Term. Gowen Fld

Oct 26

BOI11:10 pmBoise Air Term. Gowen Fld

11h 09m

1 stop

YYZ12:19 pmToronto Pearson Intl

$403

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Thu 11/5

12:49 pm-8:36 pm

1 stop9h 47m

Boise Air Term. Gowen Fld

Mon 11/9

11:10 pm-11:09 am

1 stop9h 59m

$383

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Sat 10/24

7:00 am-11:28 am

1 stop6h 28m

Boise Air Term. Gowen Fld

Sat 10/24

2:35 pm-7:00 am

1 stop14h 25m

$384

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Fri 10/2

1:34 pm-10:00 pm

1 stop10h 26m

Boise Air Term. Gowen Fld

Sat 10/10

3:00 pm-11:15 pm

1 stop6h 15m

$388

Quickest round-trip

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Sat 10/17

7:00 am-11:28 am

1 stop6h 28m

Boise Air Term. Gowen Fld

Tue 10/20

6:50 pm-7:00 am

1 stop10h 10m

$388

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Thu 10/22

11:38 am-9:57 pm

1 stop12h 19m

Boise Air Term. Gowen Fld

Sat 10/24

3:00 pm-11:15 pm

1 stop6h 15m

$389

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Mon 10/19

11:38 am-9:57 pm

1 stop12h 19m

Boise Air Term. Gowen Fld

Sun 10/25

11:10 pm-10:23 am

1 stop9h 13m

$389

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Thu 10/22

5:49 pm-11:59 pm

1 stop8h 10m

Boise Air Term. Gowen Fld

Sun 10/25

11:10 pm-12:19 pm

1 stop11h 09m

$389

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Mon 10/19

11:38 am-9:57 pm

1 stop12h 19m

Boise Air Term. Gowen Fld

Fri 10/23

11:10 pm-12:19 pm

1 stop11h 09m

$389

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Mon 10/19

11:38 am-9:57 pm

1 stop12h 19m

Boise Air Term. Gowen Fld

Thu 10/22

11:10 pm-12:19 pm

1 stop11h 09m

$389

TorontoBoise

YYZ Toronto Pearson Intl - BOI Boise Air Term. Gowen Fld

YYZBOI

Toronto Pearson Intl

Thu 10/22

11:38 am-9:57 pm

1 stop12h 19m

Boise Air Term. Gowen Fld

Fri 10/23

11:10 pm-12:19 pm

1 stop11h 09m

$389

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 February to fly from Region of Ontario, when ticket prices are also cheap, with an average price of $334.

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

You could potentially save up to 16% 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

Best Price Found	$231
Fastest flight time	6h 28m
Direct flights	None

The best one-way flight to Idaho from Region of Ontario in the past 72 hours is $231. The best round-trip flight deal from Region of Ontario to Idaho found on momondo in the last 72 hours is $383.

The fastest flight from Region of Ontario to Idaho takes 6h 28m

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 September 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.