Find cheap flights from Oslo to Seattle from $289

In the last 3 days, the lowest price for a flight from Oslo to Seattle was $289 for a one-way ticket and $404 for a round-trip.

Yes

There are 2 airports in Oslo (Oslo Gardermoen and Oslo Sandefjord.) and only 1 airport in Seattle (Seattle/Tacoma Intl). The cheapest flights are generally found on the Oslo Airport to Seattle/Tacoma Intl flight route.

We unfortunately don’t have that data for this specific route.

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Oslo and Seattle, with Star Alliance being the most commonly used for this route.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Oslo to Seattle.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Oslo is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Oslo with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Oslo up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.