Cheapest return flights from Washington to Lisbon in March from 438€

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

Return flights

09 Mar - 16 Mar Air Canada
11 Mar - 18 Mar Scandinavian Airlines
21 Mar - 25 Mar Scandinavian Airlines
15 Mar - 21 Mar Royal Air Maroc
04 Mar - 10 Mar Royal Air Maroc
08 Mar - 14 Mar Royal Air Maroc
04 Mar - 12 Mar Royal Air Maroc
12 Mar - 19 Mar Air Canada
10 Mar - 17 Mar Turkish Airlines
29 Mar - 02 Apr Royal Air Maroc
13 Mar - 20 Mar Turkish Airlines
30 Mar - 06 Apr Royal Air Maroc
29 Mar - 05 Apr Royal Air Maroc
30 Mar - 03 Apr Scandinavian Airlines
26 Mar - 03 Apr Frontier Airlines
26 Mar - 04 Apr Frontier Airlines
29 Mar - 02 Apr TAP direct
30 Mar - 03 Apr TAP direct
26 Mar - 02 Apr TAP direct
26 Mar - 03 Apr 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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