C$ 257+ Cheap flights to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
15 May — 22 May1
1 adult
1 adult, Economy, 0 bags

Flights to Idaho in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Idaho
Explore the most affordable flight options available to Idaho. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2026.

Mon 1/61:34 p.m.
YYZ
-
BOI
1 stop10h 54m
Delta
Sat 11/710:29 a.m.
BOI
-
YYZ
1 stop10h 45m
Delta
Deal found 14/4C$ 428
Tue 28/412:22 p.m.
YYZ
-
BOI
1 stop10h 07m
Delta
Wed 6/52:18 p.m.
BOI
-
YYZ
1 stop7h 41m
Delta
Deal found 13/4C$ 432
Tue 5/56:11 p.m.
YYZ
-
GEG
2 stops8h 23m
Delta
Sat 9/55:35 a.m.
GEG
-
YYZ
1 stop8h 00m
Delta
Deal found 12/4C$ 432
Mon 1/612:29 p.m.
YYZ
-
BOI
2 stops13h 24m
Delta
Tue 7/76:00 a.m.
BOI
-
YYZ
2 stops15h 14m
Delta
Deal found 14/4C$ 434
Tue 28/46:15 a.m.
YYZ
-
GEG
1 stop8h 26m
Delta
Fri 1/56:00 a.m.
GEG
-
YYZ
1 stop9h 31m
Delta
Deal found 14/4C$ 434
Tue 28/41:30 p.m.
YYZ
-
BOI
1 stop10h 58m
Delta
Wed 29/411:35 p.m.
BOI
-
YYZ
1 stop10h 44m
Delta
Deal found 9/4C$ 442
Wed 3/61:34 p.m.
YYZ
-
BOI
1 stop10h 54m
Delta
Tue 7/710:29 a.m.
BOI
-
YYZ
1 stop10h 45m
Delta
Deal found 14/4C$ 445
Mon 25/512:09 p.m.
YYZ
-
BOI
2 stops13h 55m
Delta
Mon 1/611:39 p.m.
BOI
-
YYZ
1 stop10h 40m
Delta
Deal found 10/4C$ 449
Sat 6/610:45 a.m.
YYZ
-
BOI
1 stop9h 11m
United Airlines
Mon 6/75:00 a.m.
BOI
-
YYZ
1 stop14h 32m
United Airlines
Deal found 14/4C$ 452
Fri 1/55:20 p.m.
YYZ
-
BOI
1 stop7h 30m
United Airlines
Sat 9/56:30 a.m.
BOI
-
YYZ
1 stop13h 02m
United Airlines
Deal found 13/4C$ 453
Sat 2/511:00 a.m.
YYZ
-
GEG
1 stop10h 36m
United Airlines
Sat 16/55:00 a.m.
GEG
-
YYZ
1 stop13h 32m
United Airlines
Deal found 12/4C$ 453
Sun 31/512:29 p.m.
YYZ
-
BOI
2 stops11h 15m
Delta
Mon 6/711:45 p.m.
BOI
-
YYZ
1 stop10h 38m
Delta
Deal found 14/4C$ 454

Find flights to Idaho

Browse one-way and round-trip flights deals to Idaho on Cheapflights. Flight deals are based on user searches and were last updated on 15 April 2026
Explore Idaho
Flights to Boise
Flights to Idaho Falls
Flights to Hailey
Flights to Lewiston

Find flight deals to Idaho

Find the latest flights to Idaho in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 15 April 2026.

Round-trip from

C$ 428

One-way from

C$ 256

Popular in

June

Cheapest in

November

Average price

C$ 585
Delta
  • Delta
  • 1/6-11/7
  • 2 total stops
  • 21h 39m total
  • Toronto to Boise
Search Deals
Delta
  • Delta
  • 28/4
  • 1 total stop
  • 11h 01m total
  • Toronto to Idaho
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Idaho that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 15 April 2026.
Use the filters below to find and compare flights to Idaho that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Tue 28/4

12:22 p.m.-8:29 p.m.

1 stop10h 07m

Boise Air Term. Gowen Fld

Wed 29/4

11:35 p.m.-10:19 a.m.

1 stop8h 44m

C$ 432

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 29/4

6:15 a.m.-1:07 p.m.

1 stop8h 52m

Boise Air Term. Gowen Fld

Thu 7/5

11:39 p.m.-12:19 p.m.

1 stop10h 40m

C$ 432

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 5/5

4:11 p.m.-11:34 p.m.

2 stops10h 23m

Spokane

Sat 9/5

6:10 a.m.-11:14 p.m.

2 stops14h 04m

C$ 432

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Wed 3/6

12:29 p.m.-12:04 a.m.

2 stops13h 35m

Boise Air Term. Gowen Fld

Tue 7/7

6:00 a.m.-11:14 p.m.

2 stops15h 14m

C$ 434

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Sat 20/6

6:30 a.m.-7:05 p.m.

2 stops14h 35m

Boise Air Term. Gowen Fld

Thu 2/7

6:42 p.m.-11:19 a.m.

2 stops14h 37m

C$ 434

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 5/6

9:49 a.m.-11:46 p.m.

2 stops15h 57m

Boise Air Term. Gowen Fld

Thu 9/7

6:00 a.m.-11:58 p.m.

2 stops15h 58m

C$ 434

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 28/4

4:11 p.m.-11:34 p.m.

2 stops10h 23m

Spokane

Sat 2/5

2:10 p.m.-11:10 p.m.

1 stop6h 00m

C$ 434

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Fri 29/5

11:29 a.m.-9:20 p.m.

1 stop12h 51m

Spokane

Fri 5/6

12:27 p.m.-11:58 p.m.

1 stop8h 31m

C$ 434
Quickest round-trip

TorontoBoise

YYZ - BOI

YYZBOI

Toronto Pearson Intl

Fri 1/5

5:20 p.m.-10:50 p.m.

1 stop7h 30m

Boise Air Term. Gowen Fld

Tue 5/5

5:00 a.m.-3:14 p.m.

1 stop8h 14m

C$ 452

TorontoSpokane

YYZ - GEG

YYZGEG

Toronto Pearson Intl

Tue 5/5

10:45 a.m.-9:16 p.m.

1 stop13h 31m

Spokane

Sat 9/5

5:00 a.m.-3:14 p.m.

1 stop7h 14m

C$ 453

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 33 resultsSorted by cheapest first
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Best time to book a flight to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Idaho

How long is the flight to Idaho?

On average, a flight from Toronto to Idaho takes 13 hours 40 minutes. Flights to Idaho from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Idaho?

The most popular airlines flying from Toronto to Idaho are Alaska Airlines, United Airlines and Air Canada.

Alaska Airlines
Alaska Airlines
From C$ 391
United Airlines
United Airlines
From C$ 426
Air Canada
Air Canada
From C$ 201

What are the cheapest airlines that fly to Idaho?

The cheapest airlines flying from Toronto to Idaho are Air Canada, Alaska Airlines and United Airlines.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 5.0 - 41.0 mm per month. December is typically the wettest month, when rainfall can reach 41.0 mm. August is typically the driest time to visit Idaho when rainfall is around 5.0 mm.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular places to fly to in Idaho?

Destination popularity is based on the amount of flight searches to Idaho in the last few years. This data was updated on 15 April 2026.
The most popular places in Idaho to fly to are Boise, Idaho Falls, Hailey, Lewiston and Pocatello.

FAQs about flying to Idaho

What is good to know if travelling to Idaho?

  • There are many hot springs throughout Idaho, but the most famous are the pools at Lava Hot Springs in the southeastern corner of the state. The waters here are thought to have been 43 degrees (C) for the past 50 million years. The springs are a popular holiday spot – as well as the hot pools there is an Olympic-sized swimming pool, massage or tube rides on the Portneuf River.
  • Idaho has some stunning scenery and vistas – desert plains in the South, mountain ranges and lava rocks in the east and gorges and thick forests in the north.
  • Labour weekend sees the Wagon Days festival in Ketchum: a celebration of the city’s mining heritage. The festival sees four days of celebrations hit the sleepy town, including a shoot-out, a fiddler’s contest, a rodeo and the Big Hitch Parade.
  • Boise is known as the City of Trees and the capital is surrounded by green land. Golf is very popular round the city: more than 20 golf courses are within a short drive.
  • If you want to take a drive to see some of the fabulous outdoors, head for the Bone Road. This “road” is little more than a track, covered in potholes, but its 96-km span affords views of some of the best Idaho landscapes and you’re almost guaranteed to spot some wildlife like moose or deer.
  • Silver City, just outside Boise, is known locally as the “ghost town”. The town was once the site of a silver mine for the War Eagle Mountain. Today, its old houses and saloons are popular with photography workshops.
  • For more happenings in Idaho, visit www.visitidaho.org

  • Can I find cheaper flights to Idaho if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Idaho on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Idaho?

    Based on reviews from Cheapflights users, Air Canada is rated the highest out of the airlines that fly to Idaho.

  • Where does the fastest flight to Idaho depart from?

    For those looking to save time traveling to Idaho, Vancouver offers the quickest one-way flight (4 hours 14 minutes).

  • Does Boise Air Term. Gowen Fld have rental cars?

    Yes. Those touching down at Boise Air Term. Gowen Fld can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Boise Air Term. Gowen Fld?

    Yes. Boise Air Term. Gowen Fld has hotels nearby for those requiring accommodations. Layover Inn Boise Airport is the closest property to Boise Air Term. Gowen Fld (0.0 km away from Boise Air Term. Gowen Fld).

See more FAQs

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Find flights to Idaho cities and airports

Select your preferred flight destination in Idaho from the list below.
Flights to Boise
Flights to Idaho Falls
Flights to Hailey
Flights to Lewiston
Flights to Twin Falls
Flights to Pocatello

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