Cheapest return flights from Washington to Lisbon in April from 437€

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

Return flights

13 Apr - 20 Apr Air Canada
20 Apr - 27 Apr Air Canada
26 Apr - 03 May Royal Air Maroc
12 Apr - 19 Apr Royal Air Maroc
13 Apr - 22 Apr Scandinavian Airlines
14 Apr - 21 Apr Lufthansa
20 Apr - 26 Apr Royal Air Maroc
22 Apr - 29 Apr Scandinavian Airlines
06 Apr - 13 Apr Lufthansa
28 Apr - 03 May Lufthansa
27 Apr - 04 May Air Canada
13 Apr - 13 May Scandinavian Airlines
21 Apr - 27 Apr Iberia
07 Apr - 14 Apr Scandinavian Airlines
29 Apr - 06 May Turkish Airlines
30 Apr - 07 May Turkish Airlines
23 Apr - 02 May Scandinavian Airlines
25 Apr - 02 May Scandinavian Airlines
24 Apr - 01 May Lufthansa
29 Apr - 03 May Royal Air Maroc

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

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