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

United Airlines, Alaska Airlines, and Delta 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 December 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.

$175 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

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 11:59 pm

YYZ

GEG

10h 14m1 stop

5:40 am - 3:35 pm

GEG

YYZ

6h 55m1 stop

$285Alaska Airlines

Thu, Feb 26 - Sun, Mar 1

9:00 pm - 11:39 am

YYZ

GEG

17h 39m1 stop

5:00 am - 3:02 pm

GEG

YYZ

7h 02m1 stop

$289United Airlines

Thu, Jan 15 - Mon, Jan 19

6:14 am - 5:07 pm

YYZ

BOI

12h 53m2 stops

1:58 pm - 10:44 pm

BOI

YYZ

6h 46m1 stop

$335American Airlines

Sat, Jan 10 - Sun, Jan 18

6:00 am - 2:02 pm

YYZ

BOI

10h 02m2 stops

5:20 am - 7:08 pm

BOI

YYZ

11h 48m2 stops

$352Delta

Thu, Jan 15 - Mon, Jan 19

3:50 pm - 1:53 pm

YUL

BOI

24h 03m1 stop

3:18 pm - 3:08 pm

BOI

YUL

21h 50m1 stop

$427American Airlines

Mon, Feb 2 - Sun, Feb 8

12:30 pm - 10:48 pm

YYZ

GEG

13h 18m2 stops

6:05 am - 6:25 pm

GEG

YYZ

9h 20m1 stop

$437Delta

Thu, May 7 - Thu, May 14

4:45 pm - 11:59 pm

YYZ

GEG

10h 14m1 stop

11:20 am - 6:10 am

GEG

YYZ

15h 50m2 stops

$444Multiple Airlines

Wed, Feb 18 - Sun, Feb 22

6:30 am - 6:28 pm

YYZ

BOI

13h 58m2 stops

7:25 am - 9:53 pm

BOI

YYZ

12h 28m2 stops

$468WestJet

Sat, Jan 10 - Sun, Jan 18

3:40 pm - 8:32 pm

YYZ

GEG

31h 52m3 stops

9:17 pm - 9:22 pm

GEG

YYZ

21h 05m2 stops

$491Multiple Airlines

Wed, Feb 18 - Sun, Feb 22

7:45 am - 6:28 pm

YYZ

BOI

12h 43m2 stops

1:40 pm - 6:13 am

BOI

YYZ

14h 33m2 stops

$504WestJet

Thu, Jan 15 - Mon, Jan 19

Delta flights from Region of Ontario to Idaho

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

Delta

Jan 15

YYZ6:10 amToronto Pearson Intl

8h 35m

1 stop

GEG11:45 amSpokane

Jan 19

GEG6:30 amSpokane

13h 12m

2 stops

YYZ10:42 pmToronto Pearson Intl

$289

Find similar

Delta

Jan 10

YYZ6:10 amToronto Pearson Intl

8h 22m

1 stop

BOI12:32 pmBoise Air Term. Gowen Fld

Jan 18

BOI5:30 amBoise Air Term. Gowen Fld

12h 56m

2 stops

YYZ8:26 pmToronto Pearson Intl

$298

Find similar

Delta

Jan 15

YYZ6:00 amToronto Pearson Intl

10h 02m

2 stops

BOI2:02 pmBoise Air Term. Gowen Fld

Jan 19

BOI5:20 amBoise Air Term. Gowen Fld

11h 48m

2 stops

YYZ7:08 pmToronto Pearson Intl

$352

Find similar

United Airlines flights from Region of Ontario to Idaho

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

United Airlines

Jan 9

YYZ4:10 pmToronto Pearson Intl

8h 12m

1 stop

GEG9:22 pmSpokane

Jan 13

GEG5:00 amSpokane

7h 02m

1 stop

YYZ3:02 pmToronto Pearson Intl

$290

Find similar

United Airlines

Jan 26

YOW5:11 pmOttawa

18h 44m

2 stops

JAC9:55 amJackson Hole

Jan 28

JAC7:00 amJackson Hole

12h 18m

2 stops

YOW9:18 pmOttawa

$304

Find similar

United Airlines

Jan 26

YOW7:27 pmOttawa

19h 54m

2 stops

JAC1:21 pmJackson Hole

Jan 28

JAC7:00 amJackson Hole

12h 18m

2 stops

YOW9:18 pmOttawa

$305

Find similar

Fly from

Fly to

Route

Depart

Return

Price

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 2/26

4:45 pm-11:59 pm

1 stop10h 14m

Spokane

Sun 3/1

5:40 am-3:35 pm

1 stop6h 55m

$285

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 1/15

9:00 pm-11:39 am

1 stop17h 39m

Spokane

Mon 1/19

5:00 am-3:02 pm

1 stop7h 02m

$289

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 1/10

6:14 am-5:07 pm

2 stops12h 53m

Boise Air Term. Gowen Fld

Sun 1/18

1:58 pm-10:44 pm

1 stop6h 46m

$335

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 1/15

6:00 am-2:02 pm

2 stops10h 02m

Boise Air Term. Gowen Fld

Mon 1/19

5:20 am-7:08 pm

2 stops11h 48m

$352

MontrealBoise

YUL - BOI

YULBOI

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

3:50 pm-1:53 pm

1 stop24h 03m

Boise Air Term. Gowen Fld

Sun 2/8

3:18 pm-3:08 pm

1 stop21h 50m

$427

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Thu 5/7

12:30 pm-10:48 pm

2 stops13h 18m

Spokane

Thu 5/14

6:05 am-6:25 pm

1 stop9h 20m

$437

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 2/18

4:45 pm-11:59 pm

1 stop10h 14m

Spokane

Sun 2/22

11:20 am-6:10 am

2 stops15h 50m

$444

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 1/10

6:30 am-6:28 pm

2 stops13h 58m

Boise Air Term. Gowen Fld

Sun 1/18

7:25 am-9:53 pm

2 stops12h 28m

$468

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Wed 2/18

3:40 pm-8:32 pm

3 stops31h 52m

Spokane

Sun 2/22

9:17 pm-9:22 pm

2 stops21h 05m

$491

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Thu 1/15

7:45 am-6:28 pm

2 stops12h 43m

Boise Air Term. Gowen Fld

Mon 1/19

1:40 pm-6:13 am

2 stops14h 33m

$504

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 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 23% 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 32m
Direct flights	None

The fastest flight from Region of Ontario to Idaho takes 6h 32m

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 December 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 10,527 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.