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

Return flights

28 Apr - 05 May	Alaska Airlines
28 Apr - 12 May	Alaska Airlines
17 Apr - 24 Apr	Alaska Airlines
24 Apr - 01 May	Alaska Airlines
14 Apr - 21 Apr	Alaska Airlines
23 Apr - 30 Apr	Alaska Airlines
25 Apr - 02 May	Alaska Airlines
30 Apr - 07 May	Alaska Airlines
09 Apr - 16 Apr	Alaska Airlines
07 Apr - 14 Apr	Alaska Airlines
25 Apr - 09 May	Alaska Airlines
18 Apr - 25 Apr	Alaska Airlines
10 Apr - 17 Apr	Alaska Airlines
11 Apr - 18 Apr	Alaska Airlines
23 Apr - 09 May	Alaska Airlines
02 Apr - 09 Apr	Alaska Airlines
03 Apr - 10 Apr	Alaska Airlines

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

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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Cheapest return flights from Everett to Lisbon in April from $751

Return flights