Find Cheap Flights from Seattle/Tacoma Intl to Helsinki-Vantaa (SEA - HEL)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle/Tacoma Intl to Helsinki-Vantaa

(Round-trip)
Depart: Tue Oct 31 2017 Return: Thu Nov 16 2017 Trip spans 17 days
Major Airline
Major Airline
SEA
11:00p
HEL
3:50p
16h 50m
1 stop
HEL
4:00a
SEA
10:35a
30h 35m
1 stop
Depart: Thu Aug 17 2017 Return: Thu Aug 31 2017 Trip spans 15 days
British Airways
British Airways
SEA
10:30a
HEL
12:50a
14h 20m
1 stop
HEL
3:40a
SEA
5:15p
37h 35m
2 stops
Depart: Sat Aug 26 2017 Return: Sun Sep 10 2017 Trip spans 16 days
Icelandair
Icelandair
SEA
5:15a
HEL
5:20p
12h 05m
1 stop
HEL
7:30p
SEA
5:15p
21h 45m
1 stop
Depart: Fri Aug 25 2017 Return: Fri Sep 8 2017 Trip spans 15 days
Iberia
Iberia
SEA
3:15p
HEL
5:25a
38h 10m
2 stops
HEL
1:45p
SEA
1:53a
36h 08m
1 stop
Depart: Sun Jul 16 2017 Return: Sat Aug 19 2017 Trip spans 35 days
Air France
Air France
SEA
9:07a
HEL
2:15a
17h 08m
1 stop
HEL
3:30p
SEA
5:46p
26h 16m
1 stop
Depart: Mon May 15 2017 Return: Fri May 26 2017 Trip spans 12 days
$1000
Select
Condor
Condor
SEA
2:50p
HEL
8:50a
18h 00m
1 stop
HEL
3:50a
SEA
3:00a
23h 10m
2 stops
Depart: Tue May 23 2017 Return: Wed May 31 2017 Trip spans 9 days
$1019
Select
Finnair
Finnair
SEA
3:30a
HEL
6:50p
15h 20m
1 stop
HEL
1:10p
SEA
11:10p
34h 00m
1 stop
Depart: Tue Jul 18 2017 Return: Sun Aug 20 2017 Trip spans 34 days
$1045
Select
KLM
KLM
SEA
9:44a
HEL
10:10a
24h 26m
1 stop
HEL
3:00a
SEA
5:10p
14h 10m
1 stop
Depart: Tue Jun 13 2017 Return: Tue Jun 27 2017 Trip spans 15 days
$1079
Select
Air Canada
Air Canada
SEA
2:30a
HEL
2:40a
24h 10m
2 stops
HEL
2:00a
SEA
4:19p
38h 19m
2 stops
Depart: Fri May 19 2017 Return: Sun May 28 2017 Trip spans 10 days
$1132
Select
American Airlines
American Airlines
SEA
3:30a
HEL
6:50p
15h 20m
1 stop
HEL
10:10a
SEA
2:45a
16h 35m
1 stop
Depart: Wed Apr 26 2017 Return: Wed May 3 2017 Trip spans 8 days
$1134
Select
SAS
SAS
SEA
6:45a
HEL
5:30a
22h 45m
2 stops
HEL
5:15a
SEA
5:34p
36h 19m
2 stops
Depart: Mon Jul 10 2017 Return: Tue Jul 25 2017 Trip spans 16 days
$1135
Select
Lufthansa
Lufthansa
SEA
10:00a
HEL
3:10a
17h 10m
1 stop
HEL
9:50a
SEA
7:42a
45h 52m
2 stops
Depart: Sat Oct 14 2017 Return: Sat Oct 28 2017 Trip spans 15 days
Major Airline
Major Airline
SEA
3:21a
HEL
8:50p
17h 29m
1 stop
HEL
8:00a
SEA
7:10p
35h 10m
1 stop
Depart: Tue Aug 15 2017 Return: Fri Sep 8 2017 Trip spans 25 days
British Airways
British Airways
SEA
3:00a
HEL
8:30a
29h 30m
2 stops
HEL
1:45p
SEA
8:29p
30h 44m
1 stop
Depart: Wed Aug 16 2017 Return: Wed Sep 6 2017 Trip spans 22 days
Icelandair
Icelandair
SEA
5:15a
HEL
5:20p
12h 05m
1 stop
HEL
8:15a
SEA
11:45p
15h 30m
2 stops
Depart: Fri Sep 1 2017 Return: Sun Sep 10 2017 Trip spans 10 days
British Airways
British Airways
SEA
7:21a
HEL
12:50a
17h 29m
1 stop
HEL
12:00p
SEA
5:15p
29h 15m
2 stops
Depart: Wed Jul 19 2017 Return: Sat Aug 19 2017 Trip spans 32 days
Air France
Air France
SEA
9:07a
HEL
5:15a
20h 08m
1 stop
HEL
3:30p
SEA
5:46p
26h 16m
1 stop
Depart: Thu Aug 24 2017 Return: Fri Sep 8 2017 Trip spans 16 days
British Airways
British Airways
SEA
4:30a
HEL
8:30a
28h 00m
2 stops
HEL
1:45p
SEA
1:53a
36h 08m
1 stop
Depart: Thu Jul 20 2017 Return: Sun Aug 20 2017 Trip spans 32 days
$1045
Select
KLM
KLM
SEA
9:44a
HEL
10:10a
24h 26m
1 stop
HEL
3:00a
SEA
5:10p
14h 10m
1 stop
Depart: Wed Jun 7 2017 Return: Wed Jul 5 2017 Trip spans 29 days
$1071
Select
Finnair
Finnair
SEA
3:15p
HEL
10:30a
19h 15m
1 stop
HEL
12:20p
SEA
4:42a
40h 22m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$600
Destination

Helsinki
$600