$79 Cheap Flights from Eugene (EUG) to Seattle (SEA)

View $79 flight on Sat, May 23, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

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

  • Earn twice

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

Cheap Flights from Eugene to Seattle (EUG-SEA)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 23 - Sat, May 30
EUG
Eugene
SEA
Seattle
$157 Roundtrip, found 5 hours ago
$157
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, May 23 from Eugene to Seattle, returning Sat, May 30, priced at $157 found 5 hours ago
Alaska Airlines
Mon, May 25 - Tue, May 26
EUG
Eugene
SEA
Seattle
$167 Roundtrip, found 2 hours ago
$167
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, May 25 from Eugene to Seattle, returning Tue, May 26, priced at $167 found 2 hours ago
Alaska Airlines
Fri, Jun 5 - Tue, Jun 9
EUG
Eugene
SEA
Seattle
$177 Roundtrip, found 2 hours ago
$177
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Jun 5 from Eugene to Seattle, returning Tue, Jun 9, priced at $177 found 2 hours ago
Alaska Airlines
Mon, May 25 - Fri, May 29
EUG
Eugene
SEA
Seattle
$186 Roundtrip, found 7 hours ago
$186
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Mon, May 25 from Eugene to Seattle, returning Fri, May 29, priced at $186 found 7 hours ago
Delta
Tue, May 26 - Thu, Jun 11
EUG
Eugene
SEA
Seattle
$187 Roundtrip, found 6 hours ago
$187
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, May 26 from Eugene to Seattle, returning Thu, Jun 11, priced at $187 found 6 hours ago
Delta
Sat, May 23 - Sat, May 30
EUG
Eugene
SEA
Seattle
$192 Roundtrip, found 5 hours ago
$192
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, May 23 from Eugene to Seattle, returning Sat, May 30, priced at $192 found 5 hours ago
Alaska Airlines
Fri, Jun 5 - Tue, Jun 9
EUG
Eugene
SEA
Seattle
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Jun 5 from Eugene to Seattle, returning Tue, Jun 9, priced at $197 found 2 hours ago
Alaska Airlines
Sat, May 23 - Sat, May 30
EUG
Eugene
SEA
Seattle
$202 Roundtrip, found 5 hours ago
$202
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Sat, May 23 from Eugene to Seattle, returning Sat, May 30, priced at $202 found 5 hours ago
Southwest Airlines
Sat, Jun 20 - Tue, Jun 23
EUG
Eugene
SEA
Seattle
$373 Roundtrip, found 7 hours ago
$373
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Eugene to Seattle, returning Tue, Jun 23, priced at $373 found 7 hours ago
United
Tue, Aug 25 - Wed, Aug 26
EUG
Eugene
SEA
Seattle
$433 Roundtrip, found 2 days ago
$433
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 25 from Eugene to Seattle, returning Wed, Aug 26, priced at $433 found 2 days ago

Frequently asked questions

How much does a flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
You can find cheap one-way flights and cheap return flights from $157 Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) with Expedia. One-way flights usually range from $94 to $1065, and return flights typically cost between $173 and $886. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is the cheapest month to fly from Eugene to Seattle, with average return fares around $157. This is about 27% lower than the average price throughout the year, as travel demand is typically lower in winter. Other cheap months to fly from Eugene to Seattle include February and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly direct from EUG to SEA on Delta, with around 21 flights per week.
What is the cheapest airline that flies from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Delta is one of the cheapest airlines offering nonstop flights from Mahlon Sweet Field (EUG) to Seattle - Tacoma Intl. (SEA), with round-trip tickets starting from around $314. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Eugene, OR (EUG) to Seattle, WA (SEA) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from EUG to SEA, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly from Eugene, OR (EUG) to Seattle, WA (SEA) is typically in January or February. Return flights during these months are around $157, making them quite affordable. January and February are great for travelers looking to enjoy the winter scenery and events in Seattle without breaking the bank.*Prices based on flights available on Expedia in the last year.
How many flights per day from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
On average, there are around 3 nonstop flights per day from Mahlon Sweet Field (EUG) to Seattle - Tacoma Intl. (SEA). For more options, look at flights that include layovers.
What is the earliest flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Mahlon Sweet Field (EUG) in Eugene to Seattle-Tacoma International Airport (SEA) typically departs at around 5:00 AM, operated by Alaska Airlines. This seasonal service is available throughout the year, and an early flight can help you maximize your time in Seattle. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Eugene (EUG) to Seattle - Tacoma Intl. (SEA) are in the early afternoon, from noon to 3pm. About 26% of passengers prefer this time window. Many major carriers, including Alaska Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to travel after lunch and arrive in Seattle with plenty of time to enjoy the city.
How long does it take to fly from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying nonstop from EUG to SEA takes around 1 hour 30 minutes, with the route covering approximately 234 miles. Flights with a layover typically take 6 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly first class between EUG and SEA. First class cabins are available on:

  • United Airlines
  • Delta Air Lines
  • American Airlines

How much is a business class flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct, return business class ticket from Eugene, OR (EUG) to Seattle, WA (SEA) typically costs between $508 - $789. A non-stop, one-way business class flight is usually around $258 - $468. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Mahlon Sweet Field (EUG)?
If you're planning to travel to Seattle from Mahlon Sweet Field (EUG), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Salt Lake City Intl. (SLC), Harry Reid Intl. (LAS), Oakland Intl. (OAK) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) Seattle Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Eugene, OR (EUG) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Eugene
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, Delta, Southwest Airlines, United
Roundtrip price
$151
Distance
233 mi
Average flight time
1 hour 18 mins

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $79 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.

 

Eugene to Seattle Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia