Cheapest return flights from Ontario to Vienna in December from $1155

AirHint found the following cheapest return flights from Ontario (ONT) to Vienna (VIE) in December 2025 (see full year).

Return flights

29 Dec - 12 Jan British Airways
13 Dec - 22 Dec British Airways
27 Dec - 07 Jan British Airways
02 Dec - 07 Dec British Airways
05 Dec - 13 Dec British Airways
06 Dec - 13 Dec British Airways
29 Dec - 06 Jan British Airways
18 Dec - 21 Dec British Airways
12 Dec - 05 Jan British Airways
30 Dec - 06 Jan Iberia
22 Dec - 05 Jan British Airways
10 Dec - 19 Dec British Airways
23 Dec - 03 Jan British Airways
19 Dec - 28 Dec British Airways

Also check the deals for one-way flights from Ontario to Vienna in December.

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