Cheapest return flights from Denver to Lisbon in January from 439€

AirHint found the following cheapest return flights from Denver (DEN) to Lisbon (LIS) in January 2026 (see full year).

Return flights

14 Jan - 21 Jan Icelandair
19 Jan - 26 Jan Air Canada
13 Jan - 20 Jan Air Canada
20 Jan - 27 Jan Air Canada
21 Jan - 28 Jan Air Canada
07 Jan - 14 Jan Air Canada
12 Jan - 19 Jan Air Canada
28 Jan - 04 Feb Air Canada
06 Jan - 13 Jan Air Canada
27 Jan - 03 Feb Air Canada
26 Jan - 02 Feb Icelandair
31 Jan - 07 Feb Scandinavian Airlines
16 Jan - 23 Jan Air Canada
05 Jan - 12 Jan Air Canada
29 Jan - 05 Feb Air Canada
25 Jan - 01 Feb Air Canada
30 Jan - 06 Feb Air Canada

Also check the deals for one-way flights from Denver to Lisbon in January.

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