$78 Cheap Flights from Seattle (SEA) to Eugene (EUG)

View $78 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Mahlon Sweet Field Airport (EUG)

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Cheap Flights from Seattle to Eugene (SEA-EUG)

Prices were available within the past 7 days and start at $78 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Aug 16 - Tue, Sep 2
SEA
Seattle
EUG
Eugene
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Sat, Aug 16 from Seattle to Eugene, returning Tue, Sep 2, priced at $117 found 2 hours ago
Delta
Wed, Oct 1 - Sat, Oct 4
SEA
Seattle
EUG
Eugene
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 1 from Seattle to Eugene, returning Sat, Oct 4, priced at $117 found 1 day ago
Hawaiian Airlines
Fri, Aug 15 - Tue, Sep 2
SEA
Seattle
EUG
Eugene
$127 Roundtrip, found 2 hours ago
$127
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Fri, Aug 15 from Seattle to Eugene, returning Tue, Sep 2, priced at $127 found 2 hours ago
Alaska Airlines
Fri, Aug 22 - Sun, Aug 24
SEA
Seattle
EUG
Eugene
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Aug 22 from Seattle to Eugene, returning Sun, Aug 24, priced at $137 found 1 hour ago
Alaska Airlines
Tue, Sep 9 - Wed, Sep 10
SEA
Seattle
EUG
Eugene
$156 Roundtrip, just found
$156
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Eugene, returning Wed, Sep 10, priced at $156 just found
Alaska Airlines
Tue, Sep 9 - Wed, Sep 10
SEA
Seattle
EUG
Eugene
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Eugene, returning Wed, Sep 10, priced at $157 just found
Alaska Airlines
Wed, Oct 1 - Sat, Oct 4
SEA
Seattle
EUG
Eugene
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Seattle to Eugene, returning Sat, Oct 4, priced at $158 found 1 day ago
Alaska Airlines
Tue, Sep 9 - Wed, Sep 10
SEA
Seattle
EUG
Eugene
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Sep 9 from Seattle to Eugene, returning Wed, Sep 10, priced at $159 just found
Southwest Airlines
Wed, Sep 10 - Fri, Sep 12
SEA
Seattle
EUG
Eugene
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Seattle to Eugene, returning Fri, Sep 12, priced at $160 found 2 days ago
United
Tue, Sep 9 - Wed, Sep 10
SEA
Seattle
EUG
Eugene
$433 Roundtrip, just found
$433
Roundtrip
just found
Select United flight, departing Tue, Sep 9 from Seattle to Eugene, returning Wed, Sep 10, priced at $433 just found

Find the cheapest month to fly from Seattle (SEA) to Eugene (EUG)

February is typically the cheapest month to fly

From $76 - $217 per traveler.

Graph displaying average flight prices per month

Alternative airports near Eugene

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

Select flight to Mahlon Sweet Field EUG. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $247
EUG
Mahlon Sweet Field
CheapestClosest
Average driving time to city center14 min
Flights from $247
Flights from Seattle (SEA) to Eugene (EUG)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Eugene
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$116
Distance
233 mi
Average flight time
1 hour 14 mins

Seattle to Eugene Flights

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

 

The best time to book a flight from Seattle to Eugene

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Eugene in 2025. You can also book with separate airlines for your outbound and return journeys, from $78 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 Seattle 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 Seattle 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.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG) cost?
Grab cheap return tickets starting from $116 from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving SEA on August 3 2025 and touching down at EUG. The price was last updated on July 9 2025 and has not changed since.
What is the cheapest month to fly from SEA to EUG?
The cheapest flights from SEA to EUG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
Take a nonstop flight with Alaska Airlines and travel straight from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG).
What is the cheapest airline that flies from SEA to EUG?
Currently, the cheapest carrier offering one-way flights from SEA to EUG is Alaska Airlines. You can book a seat on this route from $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from SEA on October 4 2025. Prices were last updated on July 9 2025 and have not changed since.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
With an average of 6 direct flights departing from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG) each day, you'll be on your way in no time.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
Flights between SEA and EUG are their busiest at 10 PM. If you're after a quieter trip and potentially cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from SEA to EUG?
If you depart on a Friday, you'll get the widest range of choices for flights from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG).
What is the earliest flight from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
Seattle - Tacoma Intl. Airport (SEA)'s first flight to Mahlon Sweet Field Airport (EUG) departs at approximately 9:40AM UTC-8. With a total journey time of 1h 15m, you'll land at around 10:55AM UTC-8.
How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
The average flight duration from SEA to EUG is 1 hour and 11 minutes, covering a distance of 230 mi.
What airline has the least delays from SEA to EUG?
With 82% of journeys typically arriving on schedule, Alaska Airlines has the best on-time performance for direct flights from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG). To check your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
Select a flight from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Eugene from Seattle - Tacoma Intl. Airport (SEA)?
Mahlon Sweet Field Airport (EUG) is the only airport in Eugene with direct flights from Seattle - Tacoma Intl. Airport (SEA). Consider the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG) last-minute?
Last-minute bookings from SEA to EUG are usually more expensive. For the lowest prices, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap fare right before your journey.
Is it cheaper to book a SEA to EUG flight and hotel package?
Compared with arranging hotels and flights separately, booking a SEA to EUG flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of travel planning. Simply pick your flights and select from our wide range of stays, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Mahlon Sweet Field Airport (EUG)?
It's usually possible to reschedule or cancel your SEA to EUG flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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