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

Wednesday, December 9th, 2026

Outbound Flights

14h 55m·1 stop
$382 USD
British Airways
SEADec 9 18:45
→
LHRDec 10 12:10
BA 48Boeing 787-10
2h 35m layover
British Airways
LHRDec 10 14:45
→
LISDec 10 17:40
BA 510Airbus A320neo
14h 25m·1 stop
$388 USD
American Airlines
SEADec 9 09:15
→
PHLDec 9 17:10
AA 771Airbus A321neo
2h 35m layover
American Airlines
PHLDec 9 19:45
→
LISDec 10 07:40
AA 258Boeing 787
25h 6m·2 stops
$438 USD
American Airlines
SEADec 9 23:59
→
ORDDec 10 06:05
AA 2379Airbus A321
2h 24m layover
American Airlines
ORDDec 10 08:29
→
PHLDec 10 11:42
AA 716Airbus A321neo
9h 43m layover
American Airlines
PHLDec 10 21:25
→
LISDec 11 09:05
AA 258Boeing 787
25h 6m·2 stops
$438 USD
American Airlines
SEADec 9 23:59
→
ORDDec 10 06:05
AA 2379Airbus A321
35m layover
American Airlines
ORDDec 10 06:40
→
PHLDec 10 09:50
AA 1212Airbus A321
11h 35m layover
American Airlines
PHLDec 10 21:25
→
LISDec 11 09:05
AA 258Boeing 787
17h 19m·2 stops
$611 USD
American Airlines
SEADec 9 10:31
→
ORDDec 9 16:55
AA 2112Boeing 737
45m layover
Iberia Airlines
ORDDec 9 17:40
→
MADDec 10 08:50
IB 342Airbus A330
2h 35m layover
Iberia Airlines
MADDec 10 11:25
→
LISDec 10 11:50
IB 531Airbus A319
16h 58m·2 stops
$721 USD
Alaska Airlines, Inc.
SEADec 9 10:52
→
ORDDec 9 17:01
AS 429Boeing 737
39m layover
Iberia Airlines
ORDDec 9 17:40
→
MADDec 10 08:50
IB 342Airbus A330
2h 35m layover
Iberia Airlines
MADDec 10 11:25
→
LISDec 10 11:50
IB 531Airbus A319
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