Cheapest return flights from Houston to Toronto in December from $273

AirHint found the following cheapest return flights from Houston (IAH) to Toronto (YYZ) in December 2025 (see full year).

Return flights

12 Dec - 14 Dec Spirit Airlines
12 Dec - 15 Dec Frontier Airlines
09 Dec - 15 Dec Spirit Airlines
23 Dec - 05 Jan Spirit Airlines
11 Dec - 16 Dec Spirit Airlines
03 Dec - 09 Dec Spirit Airlines
10 Dec - 11 Dec Spirit Airlines
01 Dec - 08 Dec Spirit Airlines
24 Dec - 01 Jan Spirit Airlines
01 Dec - 07 Dec Spirit Airlines
18 Dec - 31 Dec Spirit Airlines
08 Dec - 12 Dec WestJet
23 Dec - 04 Jan Spirit Airlines
23 Dec - 01 Jan Frontier Airlines
09 Dec - 04 Jan Spirit Airlines
17 Dec - 02 Jan Spirit Airlines
22 Dec - 02 Jan Spirit Airlines
21 Dec - 02 Jan Spirit Airlines
31 Dec - 04 Jan Spirit Airlines
27 Dec - 03 Jan Spirit Airlines

Also check the deals for one-way flights from Houston to Toronto in December.

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