C$101 Cheap Flights from Eugene (EUG) to Seattle (SEAA)

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Flight deals from Eugene to Seattle

Looking for a cheap last-minute deal or the best return flight from Eugene Airport to Seattle? If you want to travel next month, return fares start from C$217. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Eugene to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Eugene to Seattle flights are currently cheapest in May.

Which airlines fly from Eugene to Seattle?

Eugene to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$101
Cheapest month to flyMay
Average flight time1 hr, 19 mins
Most popular airlineAlaska Airlines
Average flights per week271

Finding cheap flights from Eugene to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Eugene to Seattle is C$216. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 19 minutes is the average flight time from Eugene to Seattle.
Alaska Airlines, Horizon Air and SkyWest Airlines fly direct from Eugene to Seattle.
As of April 2026, there are 271 flights per week flying from Eugene to Seattle.
The cheapest month to fly from Eugene to Seattle is usually May.
If you're flying from Eugene Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$216.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Eugene Airport to Seattle on Tuesday, May 26, 2026.
Yes – the average flight time is 1 hour and 19 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 8°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Delta offers the cheapest flight tickets to Seattle.

Flying from Mahlon Sweet Field (EUG) to Seattle: what you need to know

  • Expect to be travelling for 1 hour 11 minutes. That's the average time for a direct flight from Mahlon Sweet Field Airport to Seattle.

  • Eugene (the location of Mahlon Sweet Field Airport) and Seattle share the same timezone — UTC-7.

  • Mahlon Sweet Field Airport (EUG) to Seattle-Tacoma International Airport (SEA) is the most traveled route, with 55 departures a week to pick from. If you have things to do before leaving, the last flight from EUG to SEA is with Alaska Airlines at 18:59. Choose the first departure operated by Alaska Airlines at 05:00 if you want to fly out earlier.

  • To ensure you catch your flight from EUG to Seattle, leave plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the standard rule.

  • Popular months like July or high seasons such as Thanksgiving and Christmas will mean longer waits at check-in and security. If you're travelling then, play it safe and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a wise move.

  • You can book a nonstop flight from Mahlon Sweet Field Airport to Seattle that lands at Seattle-Tacoma International Airport (SEA).

  • Keep an eye out for offers from Delta. This airline operates direct flights from Mahlon Sweet Field Airport to Seattle.

  • When flying domestically within United States, you won't need a passport or visa. However, you'll have to show some form of identification, like a driver's licence or ID card. Once you've booked flight tickets from Mahlon Sweet Field to Seattle, make sure your ID is up to date.

  • Central Eugene to EUG is around 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Get your flight from Mahlon Sweet Field Airport to Seattle off to a relaxed start. Only a short drive from EUG, book a night at Royal Inn Eugene- Airport and you'll be well-rested for the trip ahead.

How to find the cheapest flights from Mahlon Sweet Field Airport (EUG) to Seattle

  • C$101 is the cheapest price we've seen for a one-way ticket from Mahlon Sweet Field Airport to Seattle. For a return flight on this route, the best price is C$216. Depending on when you book and the availability, these fares may change.

  • Book 10 months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from EUG to Seattle.

  • June is the cheapest month for tickets from Mahlon Sweet Field Airport to Seattle. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Create a Price Alert for cheap tickets from EUG to Seattle. There's no need to look every day to see if prices have fallen. We'll tell you as soon as the price changes.

  • Play around with the filters to find your ideal trip. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Mahlon Sweet Field Airport to Seattle, use the 'Sort by' function. You can also filter by arrival and departure times, airline, and number of stops.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the busiest month to board a flight from Mahlon Sweet Field Airport to Seattle while May is the quietest. To work out the best time to go to Seattle, consider your preferred travel pace and style.

  • The warmest month in Seattle is August, with the temperature ranging between 12ºC and 28ºC. Lock in your flights from Mahlon Sweet Field Airport to Seattle in this month if you enjoy this type of weather.

  • February sees average temperatures of between -1ºC and 11ºC. Look for cheap flights from EUG to Seattle around that time if you want to travel in cooler conditions.

More about Seattle

  • When it comes to looking for somewhere to lay your head, you'll find the best stays in Seattle right here. Check out these hotels after locking in your flight from Mahlon Sweet Field to Seattle:

  • There are so many things to do and see in this city it can be tricky to know where to start. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are leading attractions which should feature on every Seattle itinerary.

Complete your Seattle trip with a car rental

  • Finding you a cheap flight from Mahlon Sweet Field Airport to Seattle isn't the only thing we're good at. Check out our car rentals in Seattle and explore on your own terms. We find deals from trusted car rental providers and put them all in one place. Instantly compare offers and then book with no fees.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.