C$ 391+ 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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
— BOI
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Flights to Sun Valley in 2025

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 11 September 2025.

Round-trip from

C$ 791
Alaska Airlines
  • Alaska Airlines
  • 27/2-3/3
  • 2 total stops
  • 38h 20m total
  • Toronto to Hailey
Search Deals

Find flight deals to Sun Valley

Best flights to Sun Valley
Discover carefully curated flight deals to Sun Valley that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Fri 27/24:45 p.m.YYZ - SUN
1 stop20h 00mAlaska Airlines
Tue 3/37:15 p.m.SUN - YYZ
1 stop18h 20mAlaska Airlines
Deal found 8/9C$ 791
Fri 27/27:00 a.m.YYZ - SUN
1 stop6h 59mUnited Airlines
Tue 3/37:00 a.m.SUN - YYZ
2 stops9h 37mUnited Airlines
Deal found 10/9C$ 899
Fri 27/26:00 a.m.YYZ - SUN
2 stops18h 02mDelta
Tue 3/37:30 a.m.SUN - YYZ
2 stops13h 34mDelta
Deal found 10/9C$ 899

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 September 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

Fri 27/2

4:45 p.m.-10:45 a.m.

1 stop20h 00m

Hailey Sun Valley-Friedman

Tue 3/3

7:15 p.m.-3:35 p.m.

1 stop18h 20m

C$ 791

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 27/2

7:00 a.m.-11:59 a.m.

1 stop6h 59m

Hailey Sun Valley-Friedman

Tue 3/3

7:00 a.m.-6:37 p.m.

2 stops9h 37m

C$ 899

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 27/2

6:00 a.m.-10:02 p.m.

2 stops18h 02m

Hailey Sun Valley-Friedman

Tue 3/3

7:30 a.m.-11:04 p.m.

2 stops13h 34m

C$ 899

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 24/10

6:00 a.m.-12:09 p.m.

2 stops32h 09m

C$ 391

TorontoHailey

YYZ - SUN

YYZSUN

Toronto Pearson Intl

Fri 24/10

10:20 p.m.-9:35 a.m.

3 stops37h 15m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 13 hours 4 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 Airport is the closest property to Boise Air Term. Gowen Fld (0.0 km away from Boise Air Term. Gowen Fld).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Sun Valley by cabin class

Find flights to Sun Valley, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.