The cheapest flight to Oslo you can get by boooking 6 days before departure.
The most popular airlines on the route Barcelona - Oslo: Lufthansa (LH), Turkish Airlines (TK), Air France (AF).
The cheapest flights you can book on the route El Prat (BCN) - Gardermoen (OSL).
Direct flights last about 3h 20min.
Direct flights available 3 days a week - wednesday, thursday, friday.
Direct flights: Vueling (VY), SAS (SK).
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