Cheapest return flights from Seattle to Lisbon in November from $441

AirHint found the following cheapest return flights from Seattle (SEA) to Lisbon (LIS) in November 2025 (see full year).

Return flights

26 Nov - 03 Dec Air Canada
27 Nov - 04 Dec Air Canada
30 Nov - 09 Dec Lufthansa
14 Nov - 21 Nov SWISS
28 Nov - 05 Dec Air Canada
18 Nov - 25 Nov Lufthansa
17 Nov - 24 Nov Air Canada
29 Nov - 09 Dec Air Canada
30 Nov - 07 Dec Air Canada
15 Nov - 22 Nov Lufthansa
13 Nov - 20 Nov United
12 Nov - 23 Nov Lufthansa
26 Nov - 01 Dec Air France
26 Nov - 20 Dec Air Canada
20 Nov - 27 Nov Air Canada
23 Nov - 01 Dec British Airways
05 Nov - 12 Nov Lufthansa
20 Nov - 13 Dec Air Canada
07 Nov - 14 Nov Lufthansa
02 Nov - 09 Nov United

Also check the deals for one-way flights from Seattle to Lisbon in November.

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