Cheapest return flights from Denver to Lisbon in March from $513

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

Return flights

10 Mar - 17 Mar Lufthansa
01 Mar - 01 Apr Lufthansa
04 Mar - 11 Mar Lufthansa
04 Mar - 10 Mar Lufthansa
04 Mar - 08 Mar Lufthansa
24 Mar - 03 Apr Delta
03 Mar - 30 Mar British Airways
27 Mar - 05 Apr Turkish Airlines
28 Mar - 04 Apr Turkish Airlines
28 Mar - 05 Apr Turkish Airlines
28 Mar - 06 Apr Turkish Airlines
25 Mar - 03 Apr Lufthansa
27 Mar - 03 Apr Turkish Airlines
20 Mar - 23 Mar Aer Lingus
13 Mar - 20 Mar Frontier Airlines
21 Mar - 27 Mar Frontier Airlines
21 Mar - 28 Mar Frontier Airlines
11 Mar - 21 Mar Aer Lingus

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

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