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Cheap Flights from Sun Valley (SUN) to Seattle (BFI)

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Seattle, WA (BFI-Boeing Field)

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Alternative airports near Seattle

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

Select flight to Snohomish County - Paine Field PAE. Cheapest option available. Average driving time to city center is 29 minutes. Flights from $731
PAE
Snohomish County - Paine Field
Cheapest
Average driving time to city center29 min
Flights from $731

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI) cost?
Grab a cheap one-way flight or cheap return flight from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI) 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 Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI)?
is the least expensive month to fly from SUN to BFI. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SUN to BFI. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI)?
You'll have to hop on a flight with a layover if you're traveling from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from SUN to BFI?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI)?
To reach Boeing Field Airport (BFI) without delays, pick a flight that leaves from Friedman Memorial Airport (SUN) 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.
What airports do you fly into for Seattle from Friedman Memorial Airport (SUN)?
If you're taking a direct flight from Friedman Memorial Airport (SUN) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI) last-minute?
Last-minute bookings from SUN to BFI are generally more expensive. To lock in the best prices, start searching for flights ahead of time. That said, if you can play around with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a SUN to BFI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SUN to BFI flight and hotel package with Expedia could result in significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Boeing Field Airport (BFI)?
If you booked your SUN to BFI flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

Travel information

Origin airport
Friedman Memorial
Destination airport
Boeing Field
Distance
476 mi

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Sun Valley to Seattle Flights

The cheapest times to fly from Sun Valley to Seattle

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

 

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

Sunday is one of the best days to book for cheap flights from Sun Valley to Seattle: 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 Sun Valley to Seattle

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 Sun Valley to Seattle in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Sun Valley to Seattle 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 Sun Valley to Seattle 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.

 

Sun Valley to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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