Cheap Flights from Oslo to Seattle

Popular airlines from Gardermoen Airport (OSL) to Seattle-Tacoma International Airport (SEA)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Find the cheapest month to fly from Oslo (OSL) to Seattle (SEA)

January is typically the cheapest month to fly

From S$488 - S$1,269 per traveller.

Graph displaying average flight prices per month

Oslo to Seattle route information
Origin airport
Gardermoen
Destination airport
Seattle - Tacoma Intl.
Distance
7285 km

Flights from Oslo to Seattle

There are several airlines that operate frequent flights from Oslo (OSL) to Seattle (SEA) including

The earliest flight leaves Gardermoen Airport at 06:00 and arrives at Seattle Tacoma Intl. Airport at 10:57. The last flight of the day departs Oslo at 16:05 and arrives at Seattle at 21:25.

The flight distance from Oslo to Seattle is about 8937 km, the shortest flight is 11 hours 35 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Oslo Seattle flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Oslo to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Oslo to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Gardermoen Airport (OSL) to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between Gardermoen Airport (OSL) and Sea-Tac Airport was . Great fares don't last long, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from OSL to SEA?
This varies between airlines, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where there are simple instructions on how to cancel online.
How do I find cheap flights from Gardermoen Airport (OSL) to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Gardermoen Airport (OSL) to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Oslo Gardermoen Airport to Sea-Tac Airport?
You'll have 7,300 kilometres to cover on the long-haul Ullensaker to SeaTac route. Wear layers of comfy clothes and consider taking earplugs and a sleep mask.
Which airlines fly direct from Gardermoen Airport (OSL) to Seattle - Tacoma Intl. Airport (SEA)?
You won't find any airlines flying directly between OSL and Sea-Tac Airport, so be prepared to make at least one stop on your journey. A layover can be a good way to break up a trip!
Are Gardermoen Airport (OSL) to SEA flight tickets cheaper when they're purchased at the last minute?
It is possible to find an amazing last-minute deal from Oslo Gardermoen Airport to Sea-Tac Airport, but it's also possible to miss out altogether! As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals often, so you can be certain you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.