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: Fri Apr 6 2018 Return: Fri May 4 2018 Trip spans 29 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
4:45p
16h 45m
1 stop
LIS
12:00a
SEA
2:00p
14h 00m
1 stop
Depart: Mon Mar 12 2018 Return: Thu Mar 22 2018 Trip spans 11 days
Aer Lingus
Aer Lingus
SEA
12:00a
LIS
8:10p
20h 10m
2 stops
LIS
12:00a
SEA
8:55a
32h 55m
2 stops
Depart: Fri Dec 1 2017 Return: Sat Dec 9 2017 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
10:55p
22h 55m
2 stops
LIS
12:00a
SEA
5:05a
29h 05m
2 stops
Depart: Mon Jan 8 2018 Return: Tue Jan 23 2018 Trip spans 16 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
9:40p
21h 40m
1 stop
LIS
12:00a
SEA
11:50p
23h 50m
1 stop
Depart: Wed Feb 14 2018 Return: Tue Feb 20 2018 Trip spans 7 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
9:40p
21h 40m
1 stop
LIS
12:00a
SEA
11:50p
23h 50m
1 stop
Depart: Thu Jan 18 2018 Return: Sun Jan 28 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
11:05a
35h 05m
2 stops
LIS
12:00a
SEA
6:20a
30h 20m
2 stops
Depart: Thu Apr 12 2018 Return: Fri Apr 20 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
4:45p
16h 45m
1 stop
LIS
12:00a
SEA
5:45p
17h 45m
1 stop
Depart: Thu Nov 23 2017 Return: Tue Nov 28 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
3:06a
27h 06m
2 stops
LIS
12:00a
SEA
8:55a
56h 55m
2 stops
Depart: Mon Feb 5 2018 Return: Fri Feb 16 2018 Trip spans 12 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
10:06a
34h 06m
2 stops
LIS
12:00a
SEA
1:00a
25h 00m
2 stops
Depart: Sun Dec 3 2017 Return: Sat Dec 16 2017 Trip spans 14 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
1:56a
25h 56m
2 stops
LIS
12:00a
SEA
8:29p
44h 29m
2 stops
Depart: Sat Feb 17 2018 Return: Sat Feb 24 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
9:49a
33h 49m
2 stops
LIS
12:00a
SEA
6:21p
42h 21m
2 stops
Depart: Sun Nov 19 2017 Return: Thu Nov 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
3:50p
15h 50m
1 stop
LIS
12:00a
SEA
11:50p
23h 50m
1 stop
Depart: Fri Oct 20 2017 Return: Fri Oct 27 2017 Trip spans 8 days
$1397
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
LIS
3:23a
27h 23m
2 stops
LIS
12:00a
SEA
4:03p
40h 03m
2 stops
* 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
$621
Destination

Lisbon
$621
Airlines