Cheapest return flights from Knoxville to Singapore in December from $2328

AirHint found the following cheapest return flights from Knoxville (TYS) to Singapore (SIN) in December 2025 (see full year).

Return flights

22 Dec - 02 Jan Finnair

Also check the deals for one-way flights from Knoxville to Singapore in December.

Skyscanner

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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