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Cheap flights from Seattle to Lisbon, Portugal for only $453 roundtrip with Air Canada.
DEPART:
Seattle, USA
ARRIVE:
Lisbon, Portugal
RETURN:
Seattle, USA
DATES:
Availability from October to December 2019
Example dates:
28th Oct – 5th Nov
11th-19th Nov
12th-19th Nov
12th-20th Nov
13th-20th Nov
13th-21st Nov
18th-26th Nov
19th-26th Nov
25th Nov – 3rd Dec
2nd-10th Dec
3rd-10th Dec
9th-17th Dec
10th-17th Dec
and more…
STOPS:
Toronto
AIRLINES:
Air Canada
Allow the search to complete, then click an OTA to view the advertised price: