C$ 568+ Cheap flights to Sun Valley

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 21/12. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Sun Valley in 2025

Enter your travel dates to find the best prices.

Cheapest flights to Sun Valley
Explore the most affordable flight options available to Sun Valley. Find the lowest fares based on data from user searches, with prices last updated on 12 December 2025.

Sun 21/126:50 a.m.YYZ - SUN
2 stops16h 40mUnited Airlines
Tue 6/17:00 a.m.SUN - YYZ
2 stops12h 21mUnited Airlines
Deal found 9/12C$ 975
Fri 12/129:00 p.m.YYZ - SUN
2 stops18h 39mUnited Airlines
Mon 15/122:20 p.m.SUN - YYZ
1 stop6h 21mUnited Airlines
Deal found 10/12C$ 1,226

Find flight deals to Sun Valley

Find the latest flights to Sun Valley in 2025, 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 12 December 2025.

Round-trip from

C$ 648

One-way from

C$ 568
Alaska Airlines
  • Alaska Airlines
  • 18/1-22/1
  • 2 total stops
  • 46h 07m total
  • Toronto to Hailey
Search Deals
Delta
  • Delta
  • 16/12
  • 2 total stops
  • 10h 31m total
  • Toronto to Sun Valley
Search Deals

Cheapflights Fare Finder

 
Locate flights to Sun Valley 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 12 December 2025.
Use the filters below to find and compare flights to Sun Valley that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Sun 18/1

4:45 p.m.-7:38 p.m.

1 stop28h 53m

Hailey Sun Valley-Friedman

Thu 22/1

11:56 a.m.-3:35 p.m.

1 stop25h 39m

C$ 712

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Sun 18/1

9:00 a.m.-9:29 p.m.

2 stops14h 29m

Hailey Sun Valley-Friedman

Thu 22/1

12:43 p.m.-9:58 a.m.

1 stop19h 15m

C$ 749

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Thu 19/3

6:30 a.m.-2:49 p.m.

2 stops10h 19m

Hailey Sun Valley-Friedman

Sun 22/3

2:25 p.m.-6:10 a.m.

2 stops13h 45m

C$ 790

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Thu 19/3

4:10 p.m.-9:24 p.m.

1 stop7h 14m

Hailey Sun Valley-Friedman

Sun 22/3

12:39 p.m.-9:21 p.m.

1 stop6h 42m

C$ 975

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Sun 21/12

6:50 a.m.-9:30 p.m.

2 stops16h 40m

Hailey Sun Valley-Friedman

Tue 6/1

12:43 p.m.-9:21 p.m.

1 stop6h 38m

C$ 975

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Mon 22/12

4:10 p.m.-9:30 p.m.

1 stop7h 20m

C$ 568

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Sun 21/12

6:50 a.m.-12:12 p.m.

1 stop7h 22m

C$ 568

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Mon 22/12

6:23 p.m.-8:25 p.m.

2 stops28h 02m

C$ 610

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Tue 16/12

6:10 a.m.-2:41 p.m.

2 stops10h 31m

C$ 651

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Tue 16/12

6:30 a.m.-1:39 p.m.

1 stop9h 09m

C$ 679

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 12 results
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Best time to book a flight to Sun Valley

Have a flexible travel schedule? Discover the best time to fly to Sun Valley 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 Sun Valley

How long is the flight to Sun Valley?

On average, a flight from Toronto to Sun Valley takes 10 hours 12 minutes. Flights to Sun Valley from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Sun Valley by month

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

In terms of precipitation, rainfall in Sun Valley ranges from 10.0 - 60.0 mm per month. January is typically the wettest month, when rainfall can reach 60.0 mm. July is typically the driest time to visit Sun Valley when rainfall is around 10.0 mm.

Temperature in Sun Valley by month

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

If weather is an important factor for your trip to Sun Valley, 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 18.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -7.0 C).

FAQs about flying to Sun Valley

  • Can I find cheaper flights to Sun Valley 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 Sun Valley on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sun Valley?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to Sun Valley.

  • 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. Rodeway 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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How does Cheapflights help users find flights to Sun Valley?

Deals for Sun Valley flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Sun Valley?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights to Sun Valley.

Can Cheapflights find flights to Sun Valley with no change fees?

Yes! Cheapflights helps users easily find flights to Sun Valley with no change fees.

Can Cheapflights notify me if prices for flights to Sun Valley become cheaper?

Yes, Cheapflights offers price alerts on Sun Valley flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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