$201 Cheap Flights from Sun Valley (SUN) to Portland (PWM)

View $201 flight on Sat, Aug 30, 2025Opens in a new window

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Portland Intl. Jetport Airport (PWM)

Cheap Flights from Sun Valley to Portland (SUN-PWM)

Prices were available within the past 7 days and start at $201 for one-way flights and $409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 6 - Fri, Sep 12
SUN
Sun Valley
PWM
Portland
$409 Roundtrip, found 4 hours ago
$409
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 6 from Sun Valley to Portland, returning Fri, Sep 12, priced at $409 found 4 hours ago
United
Tue, Sep 9 - Sat, Sep 13
SUN
Sun Valley
PWM
Portland
$430 Roundtrip, found 4 hours ago
$430
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Sun Valley to Portland, returning Sat, Sep 13, priced at $430 found 4 hours ago
United
Tue, Aug 19 - Tue, Aug 26
SUN
Sun Valley
PWM
Portland
$444 Roundtrip, found 1 day ago
$444
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 19 from Sun Valley to Portland, returning Tue, Aug 26, priced at $444 found 1 day ago
United
Tue, Sep 9 - Fri, Sep 12
SUN
Sun Valley
PWM
Portland
$446 Roundtrip, found 4 hours ago
$446
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Sun Valley to Portland, returning Fri, Sep 12, priced at $446 found 4 hours ago
United
Mon, Aug 18 - Sat, Aug 23
SUN
Sun Valley
PWM
Portland
$451 Roundtrip, found 1 day ago
$451
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 18 from Sun Valley to Portland, returning Sat, Aug 23, priced at $451 found 1 day ago
Delta
Sat, Sep 6 - Wed, Sep 17
SUN
Sun Valley
PWM
Portland
$468 Roundtrip, found 4 hours ago
$468
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Sep 6 from Sun Valley to Portland, returning Wed, Sep 17, priced at $468 found 4 hours ago
United
Tue, Aug 19 - Fri, Aug 22
SUN
Sun Valley
PWM
Portland
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 19 from Sun Valley to Portland, returning Fri, Aug 22, priced at $476 found 1 day ago
Delta
Tue, Sep 16 - Mon, Sep 22
SUN
Sun Valley
PWM
Portland
$478 Roundtrip, found 6 days ago
$478
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 16 from Sun Valley to Portland, returning Mon, Sep 22, priced at $478 found 6 days ago
United
Sat, Sep 6 - Tue, Sep 16
SUN
Sun Valley
PWM
Portland
$480 Roundtrip, found 4 hours ago
$480
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 6 from Sun Valley to Portland, returning Tue, Sep 16, priced at $480 found 4 hours ago
United
Tue, Sep 9 - Tue, Sep 16
SUN
Sun Valley
PWM
Portland
$501 Roundtrip, found 4 hours ago
$501
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Sun Valley to Portland, returning Tue, Sep 16, priced at $501 found 4 hours ago

Alternative airports near Portland

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

Select flight to Portland Intl. Jetport PWM. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $548
PWM
Portland Intl. Jetport
CheapestClosest
Average driving time to city center8 min
Flights from $548
Flights from Sun Valley (SUN) to Portland (PWM)
Origin airport
Friedman Memorial
Destination airport
Portland Intl. Jetport
Airlines serving
Delta, United
Roundtrip price
$408
Distance
2175 mi

Sun Valley to Portland Flights

The cheapest times to fly from Sun Valley to Portland

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

 

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

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

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 Portland in 2025. You can also book with separate airlines for your outbound and return journeys, from $201 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 Portland 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 Portland 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.

 

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Portland Intl. Jetport Airport (PWM) cost?
Discover the latest flight deals from SUN to PWM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SUN to PWM?
The cheapest flights from SUN to PWM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SUN to PWM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SUN to PWM. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Friedman Memorial Airport (SUN) to Portland Intl. Jetport Airport (PWM)?
You'll have to book a flight with a layover when traveling from Friedman Memorial Airport (SUN) to Portland Intl. Jetport Airport (PWM). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SUN to PWM?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, carrier and other factors.*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 Portland Intl. Jetport Airport (PWM)?
To reach Portland Intl. Jetport Airport (PWM) on schedule, choose 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 time.**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 Friedman Memorial Airport (SUN) to Portland Intl. Jetport Airport (PWM) last-minute?
Holding off until right before your break to book a ticket from SUN to PWM often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a SUN to PWM flight and hotel package?
Booking a SUN to PWM flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Portland Intl. Jetport Airport (PWM)?
If you booked your SUN to PWM flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you want more information.

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*Available to One Key members.