Cheapest return flights from Washington to Lisbon in April from $561

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 Aer Lingus
23 Apr - 29 Apr Turkish Airlines
08 Apr - 30 Apr Turkish Airlines
23 Apr - 15 May Turkish Airlines
23 Apr - 07 May Turkish Airlines
08 Apr - 15 Apr Turkish Airlines
16 Apr - 22 Apr Turkish Airlines
18 Apr - 25 Apr British Airways
19 Apr - 26 Apr British Airways
02 Apr - 07 Apr Turkish Airlines
17 Apr - 23 Apr Turkish Airlines
09 Apr - 16 Apr Turkish Airlines
27 Apr - 04 May United direct
24 Apr - 01 May TAP direct
23 Apr - 07 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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