Cheapest return flights from Washington to Lisbon in April from 576€

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 - 04 Apr Frontier Airlines
07 Apr - 15 Apr Royal Air Maroc
01 Apr - 30 Apr Frontier Airlines
30 Apr - 08 May Royal Air Maroc
01 Apr - 07 Apr SWISS
15 Apr - 24 Apr TAP direct
01 Apr - 30 Apr TAP direct
09 Apr - 16 Apr Air Canada
20 Apr - 27 Apr Royal Air Maroc
30 Apr - 06 May Royal Air Maroc
20 Apr - 27 Apr TAP direct
01 Apr - 06 Apr Icelandair
30 Apr - 08 May TAP direct
30 Apr - 06 May TAP direct
26 Apr - 03 May TAP direct
26 Apr - 14 May Turkish Airlines
26 Apr - 14 May TAP direct
17 Apr - 14 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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