Find Deals on Flights from Seattle to Helsinki-Vantaa

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
Students
under 26
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 to Helsinki-Vantaa

(Round-trip)
Depart: Mon Feb 6 2017 Return: Mon Feb 13 2017 Trip spans 8 days
Major Airline
Major Airline
SEA
8:15a
HEL
1:05a
16h 50m
1 stop
HEL
4:10a
SEA
8:52p
16h 42m
1 stop
Depart: Tue Feb 7 2017 Return: Mon Feb 13 2017 Trip spans 7 days
British Airways
British Airways
SEA
2:45a
HEL
5:50p
15h 05m
1 stop
HEL
9:10a
SEA
1:52a
16h 42m
1 stop
Depart: Tue Mar 14 2017 Return: Wed Mar 22 2017 Trip spans 9 days
Finnair
Finnair
SEA
3:00a
HEL
7:50p
16h 50m
1 stop
HEL
1:25p
SEA
4:35p
27h 10m
1 stop
Depart: Fri Mar 10 2017 Return: Tue Mar 28 2017 Trip spans 18 days
American Airlines
American Airlines
SEA
2:00a
HEL
5:50p
15h 50m
1 stop
HEL
10:10a
SEA
3:25a
17h 15m
1 stop
Depart: Mon Feb 27 2017 Return: Tue Mar 14 2017 Trip spans 15 days
Icelandair
Icelandair
SEA
10:30a
HEL
9:55p
11h 25m
1 stop
HEL
10:20a
SEA
10:40p
12h 20m
1 stop
Depart: Fri Mar 31 2017 Return: Sun Apr 9 2017 Trip spans 10 days
Air Canada
Air Canada
SEA
7:10a
HEL
2:40a
19h 30m
2 stops
HEL
8:35a
SEA
4:44p
56h 09m
2 stops
Depart: Wed Jan 4 2017 Return: Sat Jan 14 2017 Trip spans 11 days
Lufthansa
Lufthansa
SEA
9:05a
HEL
1:55a
16h 50m
1 stop
HEL
1:50a
SEA
7:45p
17h 55m
2 stops
Depart: Fri Jan 6 2017 Return: Thu Jan 12 2017 Trip spans 7 days
Delta
Delta
SEA
8:25a
HEL
2:15a
17h 50m
1 stop
HEL
9:00a
SEA
4:25p
31h 25m
1 stop
Depart: Tue Jan 24 2017 Return: Wed Feb 1 2017 Trip spans 9 days
British Airways
British Airways
SEA
2:45a
HEL
5:50p
15h 05m
1 stop
HEL
9:10a
SEA
1:52a
16h 42m
1 stop
Depart: Sun Mar 12 2017 Return: Tue Mar 28 2017 Trip spans 17 days
Finnair
Finnair
SEA
3:15p
HEL
11:15a
20h 00m
1 stop
HEL
4:00a
SEA
11:05p
19h 05m
1 stop
Depart: Wed Mar 15 2017 Return: Tue Mar 28 2017 Trip spans 14 days
American Airlines
American Airlines
SEA
3:00a
HEL
7:50p
16h 50m
1 stop
HEL
10:10a
SEA
3:25a
17h 15m
1 stop
Depart: Wed Dec 28 2016 Return: Mon Jan 16 2017 Trip spans 20 days
KLM
KLM
SEA
8:30a
HEL
10:15p
13h 45m
1 stop
HEL
2:00a
SEA
4:25p
14h 25m
1 stop
Depart: Wed Feb 15 2017 Return: Tue Feb 21 2017 Trip spans 7 days
Major Airline
Major Airline
SEA
8:15a
HEL
1:05a
16h 50m
1 stop
HEL
10:00p
SEA
4:15p
18h 15m
1 stop
Depart: Sat Mar 11 2017 Return: Tue Mar 28 2017 Trip spans 17 days
Finnair
Finnair
SEA
1:30p
HEL
5:35a
39h 05m
2 stops
HEL
4:00a
SEA
11:05p
19h 05m
1 stop
Depart: Thu Mar 16 2017 Return: Tue Mar 28 2017 Trip spans 13 days
American Airlines
American Airlines
SEA
3:00a
HEL
7:50p
16h 50m
1 stop
HEL
10:10a
SEA
3:25a
17h 15m
1 stop
Depart: Sun Feb 5 2017 Return: Mon Feb 13 2017 Trip spans 9 days
British Airways
British Airways
SEA
1:15p
HEL
8:10a
18h 55m
1 stop
HEL
9:10a
SEA
1:52a
16h 42m
1 stop
Depart: Wed Mar 1 2017 Return: Mon Mar 13 2017 Trip spans 12 days
Major Airline
Major Airline
SEA
8:15a
HEL
4:15a
20h 00m
1 stop
HEL
9:25a
SEA
6:15p
32h 50m
1 stop
Depart: Sun Jan 8 2017 Return: Wed Jan 18 2017 Trip spans 11 days
Lufthansa
Lufthansa
SEA
9:05a
HEL
1:55a
16h 50m
1 stop
HEL
1:45a
SEA
7:45p
18h 00m
2 stops
Depart: Sat Mar 18 2017 Return: Thu Mar 23 2017 Trip spans 6 days
Finnair
Finnair
SEA
3:30p
HEL
10:10a
18h 40m
1 stop
HEL
8:15a
SEA
4:35p
56h 20m
2 stops
Depart: Mon Mar 20 2017 Return: Tue Mar 28 2017 Trip spans 9 days
American Airlines
American Airlines
SEA
7:30p
HEL
2:30a
31h 00m
1 stop
HEL
10:10a
SEA
3:25a
17h 15m
1 stop
* 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
$431
Destination

Helsinki
$431