£322 Cheap Flights from Oslo (OSL) to Seattle (SEA)
Popular airlines from Gardermoen Airport (OSL) to Seattle-Tacoma International Airport (SEA)
FinnairFinnair
IcelandairIcelandair
SASSAS
British AirwaysBritish Airways
LufthansaLufthansa
Turkish AirlinesTurkish Airlines
IberiaIberia
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Cheap Flights from Oslo to Seattle (OSL-SEA)
Find the cheapest month to fly from Oslo (OSL) to Seattle (SEA)
April is typically the cheapest month to flyApril is typically the cheapest month to fly
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Compare flights from Oslo to Seattle easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Oslo to Seattle. Operating between them flights per day, 7 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Gardermoen to Seattle - Tacoma Intl..
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Gardermoen (OSL) to Seattle - Tacoma Intl. (SEA)
The easiest way to view the best deals on flights from Oslo to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Gardermoen to Seattle - Tacoma Intl. start at just £344 and range up to £435.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Oslo and Seattle
- booking your flight during December, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Oslo to Seattle flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Gardermoen to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
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 £344. 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.
Travel information
Origin airport | Gardermoen Airport |
|---|---|
Destination airport | Seattle-Tacoma International Airport |
Distance | 4,553 miles away |
Airlines serving | Finnair, Icelandair, SAS, British Airways, Lufthansa, Turkish Airlines, Iberia, Air Canada, Air France, United, American Airlines, Virgin Atlantic, Brussels Airlines, KLM, Delta, Swiss International Air Lines, Alaska Airlines, Aer Lingus |
Popular airline | Finnair |
Return price | £344 |