Book United Seattle to Lisbon flight deals from $719

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Search flights from Seattle to Lisbon (SEA - LIS)

October

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Monday 29th

Return Tuesday 13th
from$ 720*Viewed: 3 hours ago

Tuesday 30th

Return Wednesday 14th
from$ 726*Viewed: 3 hours ago

Wednesday 31st

Return Thursday 15th
from$ 767*Viewed: 3 hours ago

November

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Monday 12th

Return Tuesday 27th
from$ 719*Viewed: 3 hours ago

Monday 19th

Return Tuesday 4th
from$ 720*Viewed: 3 hours ago

Tuesday 27th

Return Wednesday 12th
from$ 722*Viewed: 3 hours ago

December

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Monday 3rd

Return Tuesday 18th
from$ 729*Viewed: 3 hours ago

Monday 10th

Return Tuesday 25th
from$ 729*Viewed: 3 hours ago

Tuesday 11th

Return Wednesday 26th
from$ 746*Viewed: 3 hours ago
**Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply..
A fountain flows above the black and white wavy patterned ground in Lisbon

Plan ahead for flights from Seattle to Lisbon

from
to
Type
Dates
Price*
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 12 Nov 2018
Return Tue 27 Nov 2018
from$ 719*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 29 Oct 2018
Return Tue 13 Nov 2018
from$ 720*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 19 Nov 2018
Return Tue 4 Dec 2018
from$ 720*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Tue 27 Nov 2018
Return Wed 12 Dec 2018
from$ 722*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Tue 30 Oct 2018
Return Wed 14 Nov 2018
from$ 726*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Tue 20 Nov 2018
Return Wed 5 Dec 2018
from$ 726*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Tue 6 Nov 2018
Return Wed 21 Nov 2018
from$ 729*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 3 Dec 2018
Return Tue 18 Dec 2018
from$ 729*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 10 Dec 2018
Return Tue 25 Dec 2018
from$ 729*Viewed: 3 hours ago
Seattle (SEA)
to Lisbon (LIS)
Roundtrip
Depart Mon 5 Nov 2018
Return Tue 20 Nov 2018
from$ 733*Viewed: 3 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.