Cheapest return flights from Washington to Lisbon in April from $484

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

Return flights

19 Apr - 01 May Scandinavian Airlines
22 Apr - 27 Apr Iberia
19 Apr - 28 Apr Scandinavian Airlines
19 Apr - 27 Apr Iberia
12 Apr - 27 Apr Iberia
16 Apr - 24 Apr Scandinavian Airlines
15 Apr - 29 Apr Iberia
15 Apr - 21 Apr Iberia
16 Apr - 26 Apr Scandinavian Airlines
12 Apr - 26 Apr Scandinavian Airlines
13 Apr - 18 May Royal Air Maroc
20 Apr - 30 Apr Royal Air Maroc
23 Apr - 02 May Scandinavian Airlines
26 Apr - 02 May Scandinavian Airlines
30 Apr - 08 May Scandinavian Airlines
29 Apr - 06 May Turkish Airlines
28 Apr - 05 May Iberia
29 Apr - 08 May Turkish Airlines
30 Apr - 19 May Scandinavian Airlines
13 Apr - 13 May TAP direct

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

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