$374 Cheap Flights from Toronto (YYZ) to Sun Valley (SUN)

View $374 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to Sun Valley, ID (SUN-Friedman Memorial)

Cheap Flights from Toronto to Sun Valley (YYZ-SUN)

Prices were available within the past 7 days and start at $374 for one-way flights and $515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Nov 22 - Mon, Dec 8
YYZ
Toronto
SUN
Sun Valley
$515 Roundtrip, found 4 days ago
$515
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Nov 22 from Toronto to Sun Valley, returning Mon, Dec 8, priced at $515 found 4 days ago
Alaska Airlines
Sat, Nov 22 - Sun, Dec 7
YYZ
Toronto
SUN
Sun Valley
$522 Roundtrip, found 4 days ago
$522
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Nov 22 from Toronto to Sun Valley, returning Sun, Dec 7, priced at $522 found 4 days ago
Alaska Airlines
Sun, Nov 23 - Sun, Dec 7
YYZ
Toronto
SUN
Sun Valley
$530 Roundtrip, found 4 days ago
$530
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Nov 23 from Toronto to Sun Valley, returning Sun, Dec 7, priced at $530 found 4 days ago
Alaska Airlines
Wed, Dec 10 - Fri, Dec 26
YYZ
Toronto
SUN
Sun Valley
$535 Roundtrip, found 4 days ago
$535
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Dec 10 from Toronto to Sun Valley, returning Fri, Dec 26, priced at $535 found 4 days ago
Alaska Airlines
Wed, Nov 12 - Mon, Nov 24
YYZ
Toronto
SUN
Sun Valley
$542 Roundtrip, found 4 days ago
$542
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from Toronto to Sun Valley, returning Mon, Nov 24, priced at $542 found 4 days ago
Alaska Airlines
Mon, Nov 24 - Mon, Dec 8
YYZ
Toronto
SUN
Sun Valley
$543 Roundtrip, found 4 days ago
$543
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Toronto to Sun Valley, returning Mon, Dec 8, priced at $543 found 4 days ago
Alaska Airlines
Wed, Nov 12 - Sun, Nov 23
YYZ
Toronto
SUN
Sun Valley
$549 Roundtrip, found 4 days ago
$549
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from Toronto to Sun Valley, returning Sun, Nov 23, priced at $549 found 4 days ago
Alaska Airlines
Mon, Nov 24 - Sun, Dec 7
YYZ
Toronto
SUN
Sun Valley
$551 Roundtrip, found 4 days ago
$551
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Nov 24 from Toronto to Sun Valley, returning Sun, Dec 7, priced at $551 found 4 days ago
Delta
Fri, Dec 5 - Mon, Dec 15
YYZ
Toronto
SUN
Sun Valley
$589 Roundtrip, found 4 days ago
$589
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Dec 5 from Toronto to Sun Valley, returning Mon, Dec 15, priced at $589 found 4 days ago
United
Wed, Dec 31 - Tue, Jan 13
YYZ
Toronto
SUN
Sun Valley
$596 Roundtrip, found 4 days ago
$596
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 31 from Toronto to Sun Valley, returning Tue, Jan 13, priced at $596 found 4 days ago
American Airlines
Sun, Dec 28 - Tue, Jan 13
YYZ
Toronto
SUN
Sun Valley
$663 Roundtrip, found 4 days ago
$663
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Dec 28 from Toronto to Sun Valley, returning Tue, Jan 13, priced at $663 found 4 days ago

Alternative airports near Sun Valley

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friedman Memorial SUN. Cheapest and Closest option available. Average driving time to city center is 23 minutes. Flights from $669
SUN
Friedman Memorial
CheapestClosest
Average driving time to city center23 min
Flights from $669

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN) cost?
Lock in a cheap one-way flight from $374 or cheap return flight from $515 from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN)?
November is the most affordable month to fly from YYZ to SUN. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN)?
To find the cheapest airline that'll fly you from YYZ to SUN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN)?
There are no daily nonstop flights available from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from YYZ to SUN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN)?
To avoid possible delays on the Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN) route, aim to fly before 3 PM. Flights after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN) last-minute?
Holding off until just before your departure to book your flight from YYZ to SUN often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a YYZ to SUN flight and hotel package?
Compared with arranging flights and hotels separately, booking a YYZ to SUN flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of planning your trip. Just secure your flights and select from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to Friedman Memorial Airport (SUN)?
It's usually possible to cancel or reschedule your YYZ to SUN flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Pearson Intl.
Destination airport
Friedman Memorial
Roundtrip price
$514
Distance
1723 mi

Book with confidence

Toronto to Sun Valley Flights

The cheapest times to fly from Toronto to Sun Valley

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Toronto to Sun Valley are during the month of November. You can find some of the cheapest flights from Toronto to Sun Valley with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Toronto to Sun Valley

Sunday is one of the best days to book for cheap flights from Toronto to Sun Valley: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Toronto to Sun Valley

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Toronto to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $374 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Toronto to Sun Valley flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Toronto to Sun Valley airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Toronto to Sun Valley Flights

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*Available to One Key members.