C$ 405+ 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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
10 Apr — 17 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Sun Valley in 2026

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 11 March 2026.

Fri 10/49:00 p.m.
YYZ
-
SUN
2 stops18h 35m
United Airlines
Mon 13/42:24 p.m.
SUN
-
YYZ
2 stops17h 30m
United Airlines
Deal found 9/3C$ 804
Fri 10/44:55 p.m.
YYZ
-
SUN
1 stop20h 23m
Alaska Airlines
Mon 13/412:00 p.m.
SUN
-
YYZ
1 stop25h 45m
Alaska Airlines
Deal found 9/3C$ 832
Mon 30/36:50 p.m.
YYZ
-
SUN
2 stops18h 54m
United Airlines
Fri 3/412:25 p.m.
SUN
-
YYZ
2 stops20h 02m
United Airlines
Deal found 5/3C$ 850
Mon 30/36:10 a.m.
YYZ
-
SUN
2 stops10h 39m
Delta
Fri 3/412:40 p.m.
SUN
-
YYZ
2 stops7h 59m
Delta
Deal found 9/3C$ 877

Find flight deals to Sun Valley

Find the latest flights to Sun Valley 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 11 March 2026.

Round-trip from

C$ 804

One-way from

C$ 405
United Airlines
  • United Airlines
  • 10/4-13/4
  • 4 total stops
  • 36h 05m total
  • Toronto to Hailey
Search Deals
Delta
  • Delta
  • 20/4
  • 2 total stops
  • 25h 52m 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 11 March 2026.
Use the filters below to find and compare flights to Sun Valley that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Mon 30/3

4:25 p.m.-11:44 a.m.

2 stops21h 19m

Hailey Sun Valley-Friedman

Fri 3/4

12:25 p.m.-10:31 a.m.

1 stop20h 06m

C$ 850
Quickest round-trip

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 10/4

5:20 p.m.-1:35 p.m.

2 stops22h 15m

Hailey Sun Valley-Friedman

Mon 13/4

2:24 p.m.-11:18 p.m.

1 stop6h 54m

C$ 877
Cheapest one-way

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 24/4

6:29 p.m.-12:01 p.m.

2 stops19h 32m

C$ 432
Quickest one-way

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Mon 20/4

8:30 a.m.-1:35 p.m.

1 stop7h 05m

C$ 502

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 24/4

8:30 a.m.-1:35 p.m.

1 stop7h 05m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Sorted by cheapest first

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 12 hours 15 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, Air Canada 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. 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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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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