Cheapest return flights from Denver to Lisbon in February from $512

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

Return flights

25 Feb - 04 Mar Lufthansa
28 Feb - 15 Mar Icelandair
24 Feb - 03 Mar KLM
10 Feb - 17 Feb United
26 Feb - 05 Mar Lufthansa
23 Feb - 02 Mar Lufthansa
23 Feb - 08 Mar Air Canada
27 Feb - 06 Mar United
06 Feb - 13 Feb Delta
22 Feb - 01 Mar United
08 Feb - 15 Feb United
21 Feb - 28 Feb United
27 Feb - 07 Mar United
07 Feb - 14 Feb Brussels Airlines
28 Feb - 07 Mar Delta
06 Feb - 14 Feb United
16 Feb - 19 Feb Frontier Airlines
15 Feb - 18 Feb Icelandair

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

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