Cheapest return flights from Washington to Lisbon in April from $588

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 April 2025 (see full year).

Return flights

01 Apr - 07 Apr Scandinavian Airlines
07 Apr - 13 Apr Royal Air Maroc
18 Apr - 27 Apr Royal Air Maroc
22 Apr - 28 Apr Turkish Airlines
24 Apr - 14 May Scandinavian Airlines
06 Apr - 13 Apr Royal Air Maroc
07 Apr - 14 Apr Royal Air Maroc
29 Apr - 06 May Aer Lingus
18 Apr - 26 Apr Royal Air Maroc
07 Apr - 12 Apr Royal Air Maroc
01 Apr - 06 Apr Scandinavian Airlines
02 Apr - 09 Apr TAP direct
24 Apr - 04 May Turkish Airlines
25 Apr - 02 May Scandinavian Airlines
24 Apr - 14 May TAP direct
25 Apr - 02 May TAP direct
29 Apr - 06 May TAP direct
24 Apr - 04 May United direct

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

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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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