Cheapest one-way flights from Seattle to Sandefjord in December from $613

AirHint found the following cheapest one-way flights from Seattle (SEA) to Sandefjord (TRF) in December 2025 (see full year).

One-Way flights

26 Dec Lufthansa
25 Dec Condor

Also check the deals for return flights from Seattle to Sandefjord in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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