Cheapest return flights from Washington to Lisbon in April from 481€

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

Return flights

19 Apr - 26 Apr Royal Air Maroc
26 Apr - 03 May Royal Air Maroc
17 Apr - 10 May Royal Air Maroc
22 Apr - 29 Apr Scandinavian Airlines
21 Apr - 28 Apr Iberia
24 Apr - 03 May Royal Air Maroc
18 Apr - 25 Apr Scandinavian Airlines
27 Apr - 04 May Scandinavian Airlines
30 Apr - 07 May Scandinavian Airlines
09 Apr - 16 Apr Scandinavian Airlines
06 Apr - 13 Apr Iberia
29 Apr - 06 May Scandinavian Airlines
30 Apr - 07 May TAP direct
24 Apr - 01 May Iberia
23 Apr - 30 Apr Icelandair
19 Apr - 26 Apr TAP direct
26 Apr - 03 May TAP direct
20 Apr - 27 Apr TAP direct
22 Apr - 29 Apr TAP direct
24 Apr - 01 May TAP 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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