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

View $78 flight on Sun, Sep 28, 2025Opens in a new window

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

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Cheap Flights from Eugene to Seattle (EUG-SEA)

Prices were available within the past 7 days and start at $78 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Aug 27 - Sat, Sep 6
EUG
Eugene
SEA
Seattle
$97 Roundtrip, found 3 days ago
$97
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 27 from Eugene to Seattle, returning Sat, Sep 6, priced at $97 found 3 days ago
Alaska Airlines
Tue, Oct 28 - Tue, Nov 11
EUG
Eugene
SEA
Seattle
$107 Roundtrip, found 3 days ago
$107
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Oct 28 from Eugene to Seattle, returning Tue, Nov 11, priced at $107 found 3 days ago
Alaska Airlines
Tue, Oct 28 - Tue, Nov 11
EUG
Eugene
SEA
Seattle
$117 Roundtrip, just found
$117
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Oct 28 from Eugene to Seattle, returning Tue, Nov 11, priced at $117 just found
Delta
Sat, Aug 16 - Sat, Aug 23
EUG
Eugene
SEA
Seattle
$117 Roundtrip, found 16 hours ago
$117
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Aug 16 from Eugene to Seattle, returning Sat, Aug 23, priced at $117 found 16 hours ago
Hawaiian Airlines
Wed, Oct 22 - Sun, Nov 9
EUG
Eugene
SEA
Seattle
$127 Roundtrip, found 5 hours ago
$127
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Eugene to Seattle, returning Sun, Nov 9, priced at $127 found 5 hours ago
Alaska Airlines
Fri, Aug 15 - Fri, Aug 22
EUG
Eugene
SEA
Seattle
$137 Roundtrip, found 1 hour ago
$137
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Aug 15 from Eugene to Seattle, returning Fri, Aug 22, priced at $137 found 1 hour ago
Southwest Airlines
Wed, Sep 10 - Sat, Sep 13
EUG
Eugene
SEA
Seattle
$153 Roundtrip, found 4 days ago
$153
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Sep 10 from Eugene to Seattle, returning Sat, Sep 13, priced at $153 found 4 days ago
Alaska Airlines
Fri, Sep 12 - Sun, Sep 14
EUG
Eugene
SEA
Seattle
$156 Roundtrip, found 7 hours ago
$156
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Fri, Sep 12 from Eugene to Seattle, returning Sun, Sep 14, priced at $156 found 7 hours ago
Delta
Tue, Aug 12 - Sat, Aug 16
EUG
Eugene
SEA
Seattle
$158 Roundtrip, found 20 hours ago
$158
Roundtrip
found 20 hours ago
Select Delta flight, departing Tue, Aug 12 from Eugene to Seattle, returning Sat, Aug 16, priced at $158 found 20 hours ago
United
Tue, Aug 12 - Tue, Aug 19
EUG
Eugene
SEA
Seattle
$393 Roundtrip, found 20 hours ago
$393
Roundtrip
found 20 hours ago
Select United flight, departing Tue, Aug 12 from Eugene to Seattle, returning Tue, Aug 19, priced at $393 found 20 hours ago

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

February is typically the cheapest month to fly

From $76 - $217 per traveler.

Graph displaying average flight prices per month

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $247
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $247
Flights from Eugene (EUG) to Seattle (SEA)
Origin airport
Eugene
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$97
Distance
233 mi
Average flight time
1 hour 17 mins

Eugene to Seattle Flights

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

 

The best time to book a flight from Eugene to Seattle

Sunday is one of the best days to book for cheap flights from Eugene 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 Eugene 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 Eugene to Seattle 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 Eugene 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 Eugene 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.

 

Frequently asked questions

How much does a flight from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) cost?
Cheap return fares from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) start at $97. 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 EUG on July 26 2025 and touching down at SEA. The price was last updated on June 29 2025 and has not changed since.
What is the cheapest month to fly from EUG to SEA?
The cheapest flights from EUG to SEA 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 Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
You can fly nonstop from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from EUG to SEA?
Right now, the cheapest carrier offering one-way flights from EUG to SEA is Alaska Airlines. You can take off on this route from $69. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from EUG on September 24 2025. Prices were last updated on June 29 2025 and have not changed since.
How many flights per day from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
With, on average, 6 direct flights departing from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) every day, you'll be jetting off in no time.
What are the most popular departure times for flights from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
The 6 AM departures from EUG to SEA are the top choice for many travelers. Prices can be higher for these popular slots. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from EUG to SEA?
If you fly on a Friday, you'll get the biggest range of choices for flights from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
Mahlon Sweet Field Airport (EUG)'s first flight to Seattle - Tacoma Intl. Airport (SEA) leaves at approximately 5:00AM UTC-8. With a flight time of 1h 30m, you'll arrive at around 6:30AM UTC-8.
How long does it take to fly from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight duration from EUG to SEA is 1 hour and 17 minutes, covering a distance of 230 mi.
What airline has the least delays from EUG to SEA?
Consider traveling with Virgin Atlantic if you'd like to go straight from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) without any holdups. This airline has the strongest track record for punctuality, with an on-time score of 93%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
Opt for a flight from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the risk of cancellations and delays. 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 Seattle from Mahlon Sweet Field Airport (EUG)?
Browse your flight options from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA). This is the only Seattle airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from EUG to SEA are generally more expensive. For the cheapest rates, start searching for flights ahead of time. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book an EUG to SEA flight and hotel package?
You'll generally save money by booking an EUG to SEA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've chosen your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Mahlon Sweet Field Airport (EUG) to Seattle - Tacoma Intl. Airport (SEA)?
If you booked your EUG to SEA flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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