Find Cheap Flights from Seattle/Tacoma Intl to Portugal

Depart
Return
1 adult
Cabin Economy
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
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The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Seattle/Tacoma Intl to Portugal

(Round-trip)
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
$613
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
3:45p
15h 45m
1 stop
LIS
12:00a
→
SEA
9:20a
33h 20m
1 stop
Depart: Thu Dec 7 2017 Return: Sun Dec 10 2017 Trip spans 4 days
$654
Select
Air Canada
Air Canada
SEA
12:00a
→
LIS
3:10a
51h 10m
2 stops
LIS
12:00a
→
SEA
4:50p
16h 50m
1 stop
Depart: Mon Oct 23 2017 Return: Thu Nov 2 2017 Trip spans 11 days
$687
Select
British Airways
British Airways
SEA
12:00a
→
LIS
4:50p
16h 50m
1 stop
LIS
12:00a
→
SEA
5:50a
29h 50m
1 stop
Depart: Sun Feb 4 2018 Return: Sun Feb 11 2018 Trip spans 8 days
$629
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
9:55p
21h 55m
1 stop
LIS
12:00a
→
SEA
12:05a
24h 05m
1 stop
Depart: Fri Sep 29 2017 Return: Sat Oct 21 2017 Trip spans 23 days
$1328
Select
TAP AIR PORTUGAL
TAP AIR PORTUGAL
SEA
12:00a
→
LIS
3:25p
15h 25m
1 stop
LIS
12:00a
→
SEA
7:53p
19h 53m
1 stop
Depart: Sun Jan 14 2018 Return: Sun Jan 21 2018 Trip spans 8 days
$645
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
9:55p
21h 55m
1 stop
LIS
12:00a
→
SEA
12:05a
24h 05m
1 stop
Depart: Wed Nov 29 2017 Return: Wed Dec 13 2017 Trip spans 15 days
$737
Select
British Airways
British Airways
SEA
12:00a
→
LIS
3:25p
15h 25m
1 stop
LIS
12:00a
→
SEA
1:05a
25h 05m
2 stops
Depart: Wed Mar 7 2018 Return: Sat Mar 24 2018 Trip spans 17 days
$804
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
9:49a
33h 49m
2 stops
LIS
12:00a
→
SEA
5:23p
41h 23m
2 stops
Depart: Mon Dec 18 2017 Return: Sun Dec 24 2017 Trip spans 7 days
$861
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
3:45p
15h 45m
1 stop
LIS
12:00a
→
SEA
1:20a
25h 20m
1 stop
Depart: Mon Dec 18 2017 Return: Sun Dec 24 2017 Trip spans 7 days
$887
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
→
LIS
3:45p
15h 45m
1 stop
LIS
12:00a
→
SEA
1:20a
25h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin
Seattle
$613
Destination
Lisbon
$613