Cheapest one-way flights from Washington to Lisbon in March from 332€

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

One-Way flights

22 Mar Royal Air Maroc
25 Mar Royal Air Maroc
20 Mar Royal Air Maroc
19 Mar Scandinavian Airlines
18 Mar Royal Air Maroc
22 Mar United direct
18 Mar TAP direct
20 Mar TAP direct
19 Mar TAP direct
25 Mar TAP direct

Also check the deals for return 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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