Oslo, Norway to Seattle, USA for only €313 roundtrip (Apr-Nov dates)

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Cheap flights from Oslo, Norway to Seattle, USA for only €313 roundtrip with Lufthansa and Air Canada.

DEPART:
Oslo, Norway

ARRIVE:
Seattle, USA

RETURN:
Oslo, Norway

DATES:
Availability from April to November 2023 (excluding summer)

Example dates:
13th-20th Apr
4th-11th May
9th-16th May
15th-22nd May
5th-12th Oct
10th-17th Oct
11th-18th Oct
12th-19th Oct
13th-20th Oct
17th-24th Oct
18th-25th Oct
19th-26th Oct
20th-27th Oct
24th-31st Oct
27th Oct – 3rd Nov

and more…

STOPS:
Frankfurt
Vancouver

AIRLINES:
Lufthansa
Air Canada