Seattle / Tacoma (SEA) to Lisbon (LIS) flight deal in economy from $380
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
LISPortela Airport
Lisbon, Portugal
$527 USD
-28%$380 USD
Verified 14 days agoJuly 2026
Mon
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Fair Availability
30% of dates checked are available within 10% of the lowest price
Wednesday, July 29th, 2026
Outbound Flights
16h 40m·1 stop
$640 USD
SEAJul 29 13:30
→LHRJul 30 06:45
BA 52Boeing 787-10
4h 30m layover
LHRJul 30 11:15
→LISJul 30 14:10
BA 502Airbus A321neo
18h 10m·1 stop
$640 USDSEAJul 29 13:30
→LHRJul 30 06:45
BA 52Boeing 787-10
6h layover
LHRJul 30 12:45
→LISJul 30 15:40
BA 504Airbus A321neo
18h 55m·1 stop
$640 USDSEAJul 29 20:20
→LHRJul 30 13:45
BA 48Boeing 777
6h 40m layover
LHRJul 30 20:25
→LISJul 30 23:15
BA 508Airbus A319
16h 45m·1 stop
$647 USD
SEAJul 29 08:20
→PHLJul 29 16:42
AA 3219Airbus A321
4h 23m layover
PHLJul 29 21:05
→LISJul 30 09:05
AA 258Boeing 787
15h 24m·2 stops
$647 USD
SEAJul 29 09:41
→CMHJul 29 17:09
AS 450Boeing 737
1h 5m layover
CMHJul 29 18:14
→PHLJul 29 19:57
AA 2397Airbus A319
1h 8m layover
PHLJul 29 21:05
→LISJul 30 09:05
AA 258Boeing 787
26h 30m·1 stop
$729 USDSEAJul 29 22:35
→PHLJul 30 06:48
AA 2522Airbus A321
14h 17m layover
PHLJul 30 21:05
→LISJul 31 09:05
AA 258Boeing 787
19h 46m·2 stops
$733 USDSEAJul 29 14:09
→ORDJul 29 20:45
AA 2520Boeing 737MAX 8 Passenger
1h 45m layover
ORDJul 29 22:30
→LHRJul 30 12:15
AA 98Boeing 787
2h 40m layover
LHRJul 30 14:55
→LISJul 30 17:55
BA 506Airbus A319
19h 16m·2 stops
$830 USDSEAJul 29 08:34
→ORDJul 29 14:46
AS 265Boeing 737MAX 8 Passenger
2h 9m layover
ORDJul 29 16:55
→MADJul 30 08:20
IB 342Airbus A330
3h 5m layover
MADJul 30 11:25
→LISJul 30 11:50
IB 531Airbus A319
17h 56m·2 stops
$1,811 USDSEAJul 29 14:09
→ORDJul 29 20:45
AA 2520Boeing 737MAX 8 Passenger
1h 45m layover
ORDJul 29 22:30
→MADJul 30 13:30
AA 126Boeing 787
2h 10m layover
MADJul 30 15:40
→LISJul 30 16:05
IB 1143Canadair RJ 1000