Cheapest return flights from Washington to Lisbon in March from $598

Best time to book flights for Washington (IAD) to Lisbon (LIS) flights at AirHint

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

Return flights

10 Mar - 17 Mar Scandinavian Airlines
11 Mar - 18 Mar Turkish Airlines
05 Mar - 12 Mar Scandinavian Airlines
04 Mar - 11 Mar Turkish Airlines
12 Mar - 19 Mar Turkish Airlines
09 Mar - 16 Mar Turkish Airlines
04 Mar - 11 Mar TAP direct
10 Mar - 17 Mar TAP direct
11 Mar - 18 Mar TAP direct
05 Mar - 12 Mar TAP direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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