Cheapest return flights from Washington to Lisbon in March from $510

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

Return flights

07 Mar - 11 Mar Scandinavian Airlines
03 Mar - 12 Mar TAP direct
03 Mar - 11 Mar Air Canada
03 Mar - 11 Mar TAP direct
04 Mar - 11 Mar TAP direct
02 Mar - 07 Mar TAP direct
15 Mar - 17 Mar Royal Air Maroc
08 Mar - 14 Mar Royal Air Maroc
03 Mar - 10 Mar TAP direct
09 Mar - 16 Mar TAP direct
03 Mar - 02 Apr Turkish Airlines
25 Mar - 01 Apr Turkish Airlines
30 Mar - 04 Apr Scandinavian Airlines
03 Mar - 02 Apr TAP direct
30 Mar - 06 Apr Royal Air Maroc
31 Mar - 07 Apr Iberia
28 Mar - 05 Apr Scandinavian Airlines
26 Mar - 03 Apr Scandinavian Airlines
28 Mar - 03 Apr Scandinavian Airlines
26 Mar - 02 Apr Turkish Airlines

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

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