$156 Cheap Flights from Sun Valley (SUN) to Eugene (EUG)

View $156 flight on Sat, Oct 4, 2025Opens in a new window

Popular airlines from Sun Valley, ID (SUN-Friedman Memorial) to Mahlon Sweet Field Airport (EUG)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Sun Valley to Eugene (SUN-EUG)

Prices were available within the past 7 days and start at $156 for one-way flights and $246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 21 - Sat, Oct 25
SUN
Sun Valley
EUG
Eugene
$246 Roundtrip, found 4 days ago
$246
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Sun Valley to Eugene, returning Sat, Oct 25, priced at $246 found 4 days ago
Delta
Tue, Oct 21 - Tue, Oct 28
SUN
Sun Valley
EUG
Eugene
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Sun Valley to Eugene, returning Tue, Oct 28, priced at $251 found 4 days ago
Delta
Tue, Oct 21 - Sat, Nov 1
SUN
Sun Valley
EUG
Eugene
$275 Roundtrip, found 4 days ago
$275
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Sun Valley to Eugene, returning Sat, Nov 1, priced at $275 found 4 days ago
Delta
Sat, Sep 27 - Tue, Sep 30
SUN
Sun Valley
EUG
Eugene
$276 Roundtrip, found 6 days ago
$276
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep 27 from Sun Valley to Eugene, returning Tue, Sep 30, priced at $276 found 6 days ago
Delta
Tue, Oct 21 - Mon, Nov 3
SUN
Sun Valley
EUG
Eugene
$280 Roundtrip, found 4 days ago
$280
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Oct 21 from Sun Valley to Eugene, returning Mon, Nov 3, priced at $280 found 4 days ago
United
Tue, Oct 21 - Fri, Oct 31
SUN
Sun Valley
EUG
Eugene
$301 Roundtrip, found 4 days ago
$301
Roundtrip
found 4 days ago
Select United flight, departing Tue, Oct 21 from Sun Valley to Eugene, returning Fri, Oct 31, priced at $301 found 4 days ago
Delta
Mon, Oct 27 - Sat, Nov 1
SUN
Sun Valley
EUG
Eugene
$304 Roundtrip, found 4 days ago
$304
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Oct 27 from Sun Valley to Eugene, returning Sat, Nov 1, priced at $304 found 4 days ago
Delta
Tue, Sep 30 - Fri, Oct 3
SUN
Sun Valley
EUG
Eugene
$306 Roundtrip, found 16 hours ago
$306
Roundtrip
found 16 hours ago
Select Delta flight, departing Tue, Sep 30 from Sun Valley to Eugene, returning Fri, Oct 3, priced at $306 found 16 hours ago
Delta
Mon, Oct 27 - Mon, Nov 3
SUN
Sun Valley
EUG
Eugene
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Oct 27 from Sun Valley to Eugene, returning Mon, Nov 3, priced at $309 found 4 days ago
Hawaiian Airlines
Thu, Oct 23 - Wed, Oct 29
SUN
Sun Valley
EUG
Eugene
$404 Roundtrip, found 4 days ago
$404
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 23 from Sun Valley to Eugene, returning Wed, Oct 29, priced at $404 found 4 days ago

Frequently asked questions

How much does a flight from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG) cost?
Get a cheap one-way flight from $156 or cheap return flight from $246 from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG) 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 Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between SUN and EUG. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from SUN to EUG. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG)?
You'll have to catch a flight with a layover when traveling from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SUN to EUG?
Generally you'll find the most flight options available on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year 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 Mahlon Sweet Field Airport (EUG)?
Choose a flight from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour 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 Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG) last-minute?
Booking your ticket from SUN to EUG just before your trip is typically more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a SUN to EUG flight and hotel package?
Compared with arranging flights and hotels separately, booking a SUN to EUG flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Friedman Memorial Airport (SUN) to Mahlon Sweet Field Airport (EUG)?
Generally, it's possible to cancel or reschedule your SUN to EUG 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 allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Friedman Memorial
Destination airport
Eugene
Airlines serving
Delta, United
Roundtrip price
$246
Distance
446 mi

Book with confidence

Book with confidence

Sun Valley to Eugene Flights

The cheapest times to fly from Sun Valley to Eugene

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

 

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

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

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 Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $156 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 Eugene 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 Eugene 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 Eugene Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.