Cheapest return flights from Everett to Lisbon in September from $1143

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

Return flights

09 Sep - 17 Sep Alaska Airlines
10 Sep - 17 Sep Alaska Airlines
16 Sep - 23 Sep Alaska Airlines
17 Sep - 24 Sep Alaska Airlines
03 Sep - 10 Sep Alaska Airlines
14 Sep - 21 Sep Alaska Airlines
24 Sep - 01 Oct Alaska Airlines
07 Sep - 14 Sep Alaska Airlines
23 Sep - 30 Sep Alaska Airlines
03 Sep - 14 Sep Alaska Airlines
21 Sep - 28 Sep Alaska Airlines
25 Sep - 02 Oct Condor
28 Sep - 05 Oct Condor
29 Sep - 06 Oct Alaska Airlines

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

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