Cheapest return flights from Portland to Lisbon in April from 393€

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

Return flights

07 Apr - 14 Apr British Airways
08 Apr - 15 Apr British Airways
22 Apr - 29 Apr British Airways
23 Apr - 30 Apr Finnair
20 Apr - 27 Apr Finnair
23 Apr - 08 May Finnair
12 Apr - 19 Apr Lufthansa
21 Apr - 28 Apr British Airways
09 Apr - 16 Apr British Airways
17 Apr - 24 Apr British Airways
24 Apr - 01 May Lufthansa
10 Apr - 17 Apr British Airways
28 Apr - 10 May Icelandair

Also check the deals for one-way flights from Portland 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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