Cheapest return flights from Calgary to Seattle in January from $146

AirHint found the following cheapest return flights from Calgary (YYC) to Seattle (SEA) in January 2026 (see full year).

Return flights

16 Jan - 19 Jan WestJet
21 Jan - 25 Jan WestJet direct
10 Jan - 11 Jan WestJet
17 Jan - 28 Feb WestJet
24 Jan - 26 Jan WestJet
16 Jan - 20 Jan Air Canada
11 Jan - 13 Jan Air Canada
24 Jan - 26 Jan Delta direct
02 Jan - 06 Jan WestJet
17 Jan - 28 Feb Delta direct
01 Jan - 04 Jan WestJet
02 Jan - 02 Jan WestJet

Also check the deals for one-way flights from Calgary to Seattle in January.

Powered by

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.

Book a cheap hotel in Seattle

Cheap car rent in Seattle

Feel free to contact us with any feedback or request another flight research.