Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $380

American AirlinesAAAmerican AirlinesFinnairAYFinnairBritish AirwaysBABritish AirwaysIberia AirlinesIBIberia Airlines
One Way•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
PortugalLIS

Portela Airport

Lisbon, Portugal
$527 USD
-28%$380 USD
Verified 14 days ago
Fair Availability
30% of dates checked are available within 10% of the lowest price

Saturday, November 28th, 2026

Outbound Flights

14h 30m·1 stop
$431 USD
British Airways
SEANov 28 13:40
→
LHRNov 29 07:10
BA 52Boeing 787-10
2h 5m layover
British Airways
LHRNov 29 09:15
→
LISNov 29 12:10
BA 504Airbus A320neo
15h 10m·1 stop
$431 USD
British Airways
SEANov 28 18:45
→
LHRNov 29 12:10
BA 48Boeing 787-10
2h 50m layover
British Airways
LHRNov 29 15:00
→
LISNov 29 17:55
BA 510Airbus A320
12h 50m·1 stop
$438 USD
American Airlines
SEANov 28 12:15
→
PHLNov 28 20:16
AA 2203Airbus A321
1h 9m layover
American Airlines
PHLNov 28 21:25
→
LISNov 29 09:05
AA 258Boeing 787
18h 30m·2 stops
$609 USD
British Airways
SEANov 28 13:35
→
LHRNov 29 07:10
BA 52Boeing 777
2h 5m layover
Iberia Airlines
LHRNov 29 09:15
→
MADNov 29 12:50
IB 712Airbus A320
2h 50m layover
Iberia Airlines
MADNov 29 15:40
→
LISNov 29 16:05
IB 533Airbus A320
16h 58m·2 stops
$720 USD
Alaska Airlines, Inc.
SEANov 28 10:52
→
ORDNov 28 17:01
AS 429Boeing 737
39m layover
Iberia Airlines
ORDNov 28 17:40
→
MADNov 29 08:50
IB 342Airbus A330
2h 35m layover
Iberia Airlines
MADNov 29 11:25
→
LISNov 29 11:50
IB 1141Canadair RJ 1000
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