Cheapest return flights from Washington to Lisbon in March from $554

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

Return flights

01 Mar - 10 Mar Royal Air Maroc
08 Mar - 17 Mar Royal Air Maroc
11 Mar - 18 Mar Aer Lingus
22 Mar - 30 Mar ITA Airways
10 Mar - 17 Mar Air Canada
12 Mar - 19 Mar Turkish Airlines
12 Mar - 20 Mar Turkish Airlines
19 Mar - 25 Mar Turkish Airlines
19 Mar - 24 Mar Turkish Airlines
10 Mar - 18 Mar Turkish Airlines
31 Mar - 07 Apr Air Canada
25 Mar - 07 Apr Porter Airlines (Canada) Ltd
26 Mar - 06 Apr Air Canada
26 Mar - 01 Apr Air Canada
30 Mar - 02 Apr Royal Air Maroc
26 Mar - 02 Apr Air Canada
30 Mar - 05 Apr Air Canada
26 Mar - 07 Apr Air Canada
28 Mar - 01 Apr Porter Airlines (Canada) Ltd
28 Mar - 03 Apr Air Canada

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

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