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
Monday, July 27th, 2026
Outbound Flights
15h 25m·1 stop
$640 USD
SEAJul 27 13:30
→LHRJul 28 06:45
BA 52Boeing 787-10
3h 15m layover
LHRJul 28 10:00
→LISJul 28 12:55
BA 502Airbus A320
13h 35m·1 stop
$640 USDSEAJul 27 20:20
→LHRJul 28 13:45
BA 48Boeing 777
1h 15m layover
LHRJul 28 15:00
→LISJul 28 17:55
BA 506Airbus A320neo
17h 39m·2 stops
$647 USD
SEAJul 27 07:26
→DFWJul 27 13:20
AA 1667Airbus A321neo
1h 5m layover
DFWJul 27 14:25
→PHLJul 27 18:52
AA 1100Airbus A321neo
2h 13m layover
PHLJul 27 21:05
→LISJul 28 09:05
AA 258Boeing 787
26h 30m·1 stop
$667 USDSEAJul 27 22:35
→PHLJul 28 06:48
AA 2522Airbus A321
14h 17m layover
PHLJul 28 21:05
→LISJul 29 09:05
AA 258Boeing 787
16h 45m·1 stop
$712 USDSEAJul 27 08:20
→PHLJul 27 16:42
AA 3219Airbus A321
4h 23m layover
PHLJul 27 21:05
→LISJul 28 09:05
AA 258Boeing 787
18h 25m·1 stop
$752 USD
SEAJul 27 19:10
→DUBJul 28 12:15
EI 52Airbus A330
6h 25m layover
DUBJul 28 18:40
→LISJul 28 21:35
EI 486Airbus A320
19h 5m·2 stops
$797 USDSEAJul 27 20:20
→LHRJul 28 13:45
BA 48Boeing 777
2h 5m layover
LHRJul 28 15:50
→MADJul 28 19:15
IB 718Airbus A320
3h 45m layover
MADJul 28 23:00
→LISJul 28 23:25
IB 539Airbus A320
17h 56m·2 stops
$1,811 USDSEAJul 27 14:09
→ORDJul 27 20:45
AA 2520Boeing 737MAX 8 Passenger
1h 45m layover
ORDJul 27 22:30
→MADJul 28 13:30
AA 126Boeing 787
2h 10m layover
MADJul 28 15:40
→LISJul 28 16:05
IB 1143Canadair RJ 1000