$368 Cheap Flights from Oslo (OSL) to Sun Valley (SUN)

View $368 flight on Thu, Apr 16, 2026Opens in a new window

Popular airlines from Gardermoen Airport (OSL) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from Oslo to Sun Valley (OSL-SUN)

Prices were available within the past 7 days and start at $368 for one-way flights and $731 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$731 Roundtrip, found 3 days ago
$731
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $731 found 3 days ago
British Airways
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$755 Roundtrip, found 3 days ago
$755
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $755 found 3 days ago
United
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$764 Roundtrip, found 3 days ago
$764
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $764 found 3 days ago
Lufthansa
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$770 Roundtrip, found 3 days ago
$770
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $770 found 3 days ago
American Airlines
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$773 Roundtrip, found 3 days ago
$773
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $773 found 3 days ago
American Airlines
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$774 Roundtrip, found 3 days ago
$774
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $774 found 3 days ago
United
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$777 Roundtrip, found 3 days ago
$777
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $777 found 3 days ago
United
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$782 Roundtrip, found 3 days ago
$782
Roundtrip
found 3 days ago
Select United flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $782 found 3 days ago
Delta
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$783 Roundtrip, found 3 days ago
$783
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $783 found 3 days ago
Delta
Fri, Apr 3 - Mon, Apr 13
OSL
Oslo
SUN
Sun Valley
$789 Roundtrip, found 3 days ago
$789
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Apr 3 from Oslo to Sun Valley, returning Mon, Apr 13, priced at $789 found 3 days ago

Frequently asked questions

How much does a flight from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN) cost?
Get a cheap one-way flight from $368 or cheap return flight from $731 from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN)?
The cheapest month to fly from OSL to SUN is April, when demand is low. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN)?
To find the cheapest airline flying from OSL to SUN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN)?
There aren't any daily nonstop flights available from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from OSL to SUN?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on a number of factors, including the carrier 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 Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN)?
Book a flight from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**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 Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN) last-minute?
Booking your plane ticket from OSL to SUN shortly before your trip is typically more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an OSL to SUN flight and hotel package?
Compared with arranging hotels and flights separately, booking an OSL to SUN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the stress out of travel planning. Just pick your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Gardermoen Airport (OSL) to Friedman Memorial Airport (SUN)?
Typically, you're able to reschedule or cancel your OSL to SUN flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
Gardermoen
Destination airport
Friedman Memorial
Roundtrip price
$731
Distance
4638 mi

Book with confidence

Oslo to Sun Valley Flights

The cheapest times to fly from Oslo 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 Oslo to Sun Valley are during the month of April. You can find some of the cheapest flights from Oslo to Sun Valley with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Oslo 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 Oslo 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 Oslo to Sun Valley in 2025. You can also book with separate airlines for your outbound and return journeys, from $368 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 Oslo 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 Oslo 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.

 

Oslo to Sun Valley Flights

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*Available to One Key members.