$314 Cheap Flights from Pasco (PSC) to Sun Valley (SUN)

View $314 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Sun Valley, ID (SUN-Friedman Memorial)

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Cheap Flights from Pasco to Sun Valley (PSC-SUN)

Prices were available within the past 7 days and start at $314 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN) cost?
Lock in a cheap one-way flight from $314 or cheap return flight from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN)?
Flying in is a great way to save, as it's the cheapest month for flights between PSC and SUN. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN)?
To find the cheapest airline that'll fly you from PSC to SUN, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN)?
You'll need to take a flight with a layover when traveling from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from PSC to SUN?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN)?
To touch down at Friedman Memorial Airport (SUN) on time, pick a flight that leaves from Tri-Cities Airport (PSC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN) last-minute?
Last-minute fares from PSC to SUN are usually more expensive. To secure the lowest prices, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a PSC to SUN flight and hotel package?
Booking a PSC to SUN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Friedman Memorial Airport (SUN)?
Usually, it's possible to cancel or reschedule your PSC to SUN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Tri-Cities
Destination airport
Friedman Memorial
Distance
302 mi

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Pasco to Sun Valley Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Pasco 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 Pasco 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 Pasco to Sun Valley in 2026. You can also book with separate airlines for your outbound and return journeys, from $314 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 Pasco 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 Pasco 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.

 

Pasco to Sun Valley Flights

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*Available to One Key members.