Find the cheapest Swiss International Air Lines flights on Expedia from Singapore (SIN) to Tromsø (TOS). Flight ticket prices change frequently based on availability and demand. We send price-drop alerts to make air travel simple and flexible. The lowest one-way fare found on Expedia with Swiss International Air Lines for this route in the past 7 days starts at S$1,271 for travel on 18 November 2026.
S$1,271 Cheap Swiss International Air Lines flights Singapore (SIN) to Tromsø (TOS)
Prices were available within the past 7 days and start at S$1,271 for one-way flights and S$1,425 for return, for the period specified. Prices and availability are subject to change.