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

Thursday, December 24th, 2026

Outbound Flights

17h 5m·1 stop
$431 USD
British Airways
SEADec 24 13:40
→
LHRDec 25 07:10
BA 52Boeing 787-10
4h 40m layover
British Airways
LHRDec 25 11:50
→
LISDec 25 14:45
BA 506Airbus A320
24h 15m·1 stop
$431 USD
British Airways
SEADec 24 13:40
→
LHRDec 25 07:10
BA 52Boeing 787-10
12h layover
British Airways
LHRDec 25 19:10
→
LISDec 25 21:55
BA 512Airbus A320
19h 10m·1 stop
$431 USD
British Airways
SEADec 24 18:45
→
LHRDec 25 12:10
BA 48Boeing 787-10
7h layover
British Airways
LHRDec 25 19:10
→
LISDec 25 21:55
BA 512Airbus A320
12h 55m·1 stop
$438 USD
American Airlines
SEADec 24 12:10
→
PHLDec 24 20:17
AA 467Airbus A321
1h 8m layover
American Airlines
PHLDec 24 21:25
→
LISDec 25 09:05
AA 258Boeing 787
17h 20m·2 stops
$568 USD
British Airways
SEADec 24 18:45
→
LHRDec 25 12:10
BA 48Boeing 787-10
1h 15m layover
British Airways
LHRDec 25 13:25
→
MADDec 25 16:55
BA 464Airbus A320neo
2h 45m layover
Iberia Airlines
MADDec 25 19:40
→
LISDec 25 20:05
IB 537Airbus A320
20h 35m·2 stops
$609 USD
British Airways
SEADec 24 18:50
→
LHRDec 25 12:20
BA 48Boeing 787-10
3h 25m layover
Iberia Airlines
LHRDec 25 15:45
→
MADDec 25 19:20
IB 718Airbus A320
3h 40m layover
Iberia Airlines
MADDec 25 23:00
→
LISDec 25 23:25
IB 539Airbus A321
20h 35m·2 stops
$609 USD
British Airways
SEADec 24 18:50
→
LHRDec 25 12:20
BA 48Boeing 787-10
5h 5m layover
Iberia Airlines
LHRDec 25 17:25
→
MADDec 25 20:50
IB 720Airbus A320
2h 10m layover
Iberia Airlines
MADDec 25 23:00
→
LISDec 25 23:25
IB 539Airbus A321
25h 58m·1 stop
$622 USD
American Airlines
SEADec 24 23:07
→
PHLDec 25 07:08
AA 2500Airbus A321neo
14h 17m layover
American Airlines
PHLDec 25 21:25
→
LISDec 26 09:05
AA 258Boeing 787
17h 40m·2 stops
$1,436 USD
American Airlines
SEADec 24 06:00
→
CLTDec 24 14:00
AA 3068Airbus A321
1h 45m layover
American Airlines
CLTDec 24 15:45
→
MADDec 25 05:45
AA 748Boeing 777
1h 30m layover
Iberia Airlines
MADDec 25 07:15
→
LISDec 25 07:40
IB 529Airbus A320
17h 18m·2 stops
$3,458 USD
American Airlines
SEADec 24 10:32
→
DFWDec 24 16:25
AA 707Boeing 737
55m layover
American Airlines
DFWDec 24 17:20
→
MADDec 25 09:20
AA 36Boeing 787
2h 5m layover
Iberia Airlines
MADDec 25 11:25
→
LISDec 25 11:50
IB 1141Canadair RJ 1000
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