Find Cheap Flights from Seattle to Portugal

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
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 to Portugal

(Round-trip)
Depart: Wed Oct 11 2017 Return: Wed Oct 18 2017 Trip spans 8 days
British Airways
British Airways
SEA
3:15p
LIS
6:05a
14h 50m
1 stop
LIS
8:15a
SEA
1:00a
16h 45m
1 stop
Depart: Mon Oct 2 2017 Return: Mon Oct 9 2017 Trip spans 8 days
Aer Lingus
Aer Lingus
SEA
2:45a
LIS
9:40a
30h 55m
2 stops
LIS
6:20p
SEA
2:10a
31h 50m
2 stops
Depart: Sun Jan 28 2018 Return: Wed Feb 21 2018 Trip spans 25 days
$1057
Select
Turkish Airlines
Turkish Airlines
SEA
8:45a
LIS
9:25p
36h 40m
2 stops
LIS
6:20a
SEA
1:03a
42h 43m
2 stops
Depart: Sun Oct 8 2017 Return: Tue Oct 17 2017 Trip spans 10 days
$1132
Select
American Airlines
American Airlines
SEA
4:25a
LIS
9:15p
16h 50m
1 stop
LIS
8:15a
SEA
1:00a
16h 45m
1 stop
Depart: Tue Oct 3 2017 Return: Thu Oct 12 2017 Trip spans 10 days
$1175
Select
Air Canada
Air Canada
SEA
5:25p
LIS
11:10p
29h 45m
2 stops
LIS
8:50a
SEA
1:35p
28h 45m
2 stops
Depart: Sun Sep 24 2017 Return: Mon Oct 2 2017 Trip spans 9 days
$1180
Select
United
United
SEA
8:45a
LIS
10:35p
13h 50m
1 stop
LIS
8:15a
SEA
4:10a
19h 55m
2 stops
Depart: Sun Nov 5 2017 Return: Mon Nov 13 2017 Trip spans 9 days
$1182
Select
TAP Portugal
TAP Portugal
SEA
1:30a
LIS
6:00p
16h 30m
1 stop
LIS
6:20a
SEA
12:48a
18h 28m
1 stop
Depart: Fri Oct 13 2017 Return: Sun Oct 22 2017 Trip spans 10 days
$1186
Select
Delta
Delta
SEA
4:00a
LIS
10:30p
18h 30m
2 stops
LIS
8:10a
SEA
3:51p
31h 41m
1 stop
Depart: Wed Nov 22 2017 Return: Wed Nov 29 2017 Trip spans 8 days
$1232
Select
SWISS
SWISS
SEA
10:51a
LIS
6:55a
20h 04m
2 stops
LIS
9:25a
SEA
1:15a
39h 50m
2 stops
Depart: Thu Dec 28 2017 Return: Mon Jan 8 2018 Trip spans 12 days
$1236
Select
Lufthansa
Lufthansa
SEA
5:40a
LIS
10:15p
16h 35m
2 stops
LIS
12:05a
SEA
5:18p
17h 13m
2 stops
Depart: Fri Dec 15 2017 Return: Mon Dec 25 2017 Trip spans 11 days
$1242
Select
Brussels Airlines
Brussels Airlines
SEA
5:27a
LIS
11:30p
18h 03m
2 stops
LIS
2:55p
SEA
12:45a
33h 50m
2 stops
Depart: Sat Aug 19 2017 Return: Sun Sep 10 2017 Trip spans 23 days
$1259
Select
Iberia
Iberia
SEA
7:59p
LIS
11:55p
27h 56m
2 stops
LIS
4:35p
SEA
11:33p
30h 58m
2 stops
Depart: Mon Sep 18 2017 Return: Wed Sep 27 2017 Trip spans 10 days
British Airways
British Airways
SEA
10:36a
LIS
11:10a
24h 34m
2 stops
LIS
8:15a
SEA
1:05a
16h 50m
1 stop
Depart: Wed Oct 4 2017 Return: Wed Oct 11 2017 Trip spans 8 days
British Airways
British Airways
SEA
5:56a
LIS
11:10a
29h 14m
2 stops
LIS
8:15a
SEA
1:00a
16h 45m
1 stop
Depart: Sun Oct 1 2017 Return: Tue Oct 31 2017 Trip spans 31 days
Aer Lingus
Aer Lingus
SEA
2:43a
LIS
9:40a
30h 57m
2 stops
LIS
6:40a
SEA
3:35p
56h 55m
2 stops
Depart: Tue Oct 10 2017 Return: Tue Oct 24 2017 Trip spans 15 days
British Airways
British Airways
SEA
3:15p
LIS
6:05a
14h 50m
1 stop
LIS
8:15a
SEA
1:00a
16h 45m
1 stop
Depart: Sat Nov 4 2017 Return: Thu Nov 23 2017 Trip spans 20 days
Aer Lingus
Aer Lingus
SEA
7:59p
LIS
5:45a
34h 46m
2 stops
LIS
5:40a
SEA
1:05a
43h 25m
2 stops
Depart: Thu Sep 28 2017 Return: Thu Oct 12 2017 Trip spans 15 days
British Airways
British Airways
SEA
4:05a
LIS
9:15p
17h 10m
1 stop
LIS
7:10a
SEA
9:10p
14h 00m
1 stop
Depart: Tue Oct 17 2017 Return: Wed Nov 8 2017 Trip spans 23 days
British Airways
British Airways
SEA
4:25a
LIS
9:15p
16h 50m
1 stop
LIS
1:35p
SEA
2:35p
25h 00m
1 stop
Depart: Thu Feb 1 2018 Return: Sun Feb 25 2018 Trip spans 25 days
Aer Lingus
Aer Lingus
SEA
8:40a
LIS
4:45a
20h 05m
2 stops
LIS
1:30p
SEA
1:46a
36h 16m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
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Airports
Origin

Seattle
$599
Destination

Lisbon
$599