SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
LISPortela Airport
Lisbon, Portugal
$544 USD
-37%$344 USD
Verified Nov 29, 2025 at 10:16 AMFebruary 2026
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Limited Availability
12% of dates checked are available within 10% of the lowest price
Saturday, February 28th, 2026
Outbound Flights
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24h 11m·2 stops
$390 USD
SEAFeb 28 23:59
→ORDMar 1 05:56
UA 747Boeing 737MAX 8 Passenger
3h 19m layover
ORDMar 1 09:15
→EWRMar 1 12:28
UA 2301Boeing 757
7h 57m layover
EWRMar 1 20:25
→LISMar 2 08:10
UA 64Boeing 787-10
24h 11m·2 stops
$390 USDSEAFeb 28 23:59
→ORDMar 1 05:56
UA 747Boeing 737MAX 8 Passenger
1h 14m layover
ORDMar 1 07:10
→EWRMar 1 10:17
UA 563Boeing 737
10h 8m layover
EWRMar 1 20:25
→LISMar 2 08:10
UA 64Boeing 787-10
17h 58m·1 stop
$399 USDSEAFeb 28 08:17
→IADFeb 28 16:19
UA 2217Boeing 737
5h 46m layover
IADFeb 28 22:05
→LISMar 1 10:15
UA 942Boeing 767
17h 10m·2 stops
$399 USDSEAFeb 28 07:00
→ORDFeb 28 13:06
UA 714Airbus A321neo
1h 24m layover
ORDFeb 28 14:30
→EWRFeb 28 17:50
UA 587Airbus A321neo
2h 35m layover
EWRFeb 28 20:25
→LISMar 1 08:10
UA 64Boeing 787-10
17h 10m·2 stops
$399 USDSEAFeb 28 07:00
→ORDFeb 28 13:06
UA 714Airbus A321neo
2h 44m layover
ORDFeb 28 15:50
→EWRFeb 28 19:05
UA 2184Boeing 737
1h 20m layover
EWRFeb 28 20:25
→LISMar 1 08:10
UA 64Boeing 787-10
15h 20m·2 stops
$407 USDSEAFeb 28 10:55
→ORDFeb 28 17:00
UA 1398Boeing 737MAX 9 Passenger
1h 20m layover
ORDFeb 28 18:20
→IADFeb 28 21:18
UA 1946Airbus A321neo
47m layover
IADFeb 28 22:05
→LISMar 1 10:15
UA 942Boeing 767
24h 35m·1 stop
$407 USDSEAFeb 28 23:35
→EWRMar 1 07:44
UA 2651Boeing 737MAX 8 Passenger
12h 41m layover
EWRMar 1 20:25
→LISMar 2 08:10
UA 64Boeing 787-10
15h 53m·2 stops
$407 USDSEAFeb 28 08:17
→IADFeb 28 16:19
UA 2217Boeing 737
1h 15m layover
IADFeb 28 17:34
→EWRFeb 28 18:59
UA 1831Boeing 737MAX 9 Passenger
1h 26m layover
EWRFeb 28 20:25
→LISMar 1 08:10
UA 64Boeing 787-10
17h·1 stop
$415 USD
SEAFeb 28 14:00
→FRAMar 1 09:10
LH 491Airbus A330
3h 40m layover
FRAMar 1 12:50
→LISMar 1 15:00
LH 1168Airbus A321
19h 40m·2 stops
$417 USDSEAFeb 28 10:55
→ORDFeb 28 17:00
UA 1398Boeing 737MAX 9 Passenger
1h 50m layover
ORDFeb 28 18:50
→ZRHMar 1 10:40
LX 9Airbus A330
1h 55m layover
ZRHMar 1 12:35
→LISMar 1 14:35
LX 2084Airbus A321 (Sharklets)
15h 10m·2 stops
$480 USDSEAFeb 28 09:00
→DENFeb 28 12:45
UA 1505Boeing 737
55m layover
DENFeb 28 13:40
→EWRFeb 28 19:18
UA 1505Boeing 737
1h 7m layover
EWRFeb 28 20:25
→LISMar 1 08:10
UA 64Boeing 787-10
16h 45m·2 stops
$500 USD
SEAFeb 28 15:40
→YVRFeb 28 16:47
AC 8807De Havilland-Bombardier Dash-8
1h 28m layover
YVRFeb 28 18:15
→LHRMar 1 11:50
AC 860Boeing 777
1h 50m layover
LHRMar 1 13:40
→LISMar 1 16:25
TP 1359Airbus A320neo