Find Deals on 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.
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Book cheap flights from Seattle/Tacoma Intl to Helsinki-Vantaa

(Round-trip)
Depart: Sun Apr 23 2017 Return: Mon May 1 2017 Trip spans 9 days
Lufthansa
Lufthansa
SEA
8:00a
HEL
10:40a
26h 40m
2 stops
HEL
8:35a
SEA
2:51a
18h 16m
2 stops
Depart: Thu Apr 13 2017 Return: Tue Apr 25 2017 Trip spans 13 days
American Airlines
American Airlines
SEA
4:00a
HEL
12:50a
20h 50m
1 stop
HEL
10:10a
SEA
2:45a
16h 35m
1 stop
Depart: Sun Apr 16 2017 Return: Sun Apr 23 2017 Trip spans 8 days
Delta
Delta
SEA
1:57p
HEL
11:20p
33h 23m
1 stop
HEL
10:05a
SEA
5:12p
31h 07m
1 stop
Depart: Fri May 5 2017 Return: Sat May 13 2017 Trip spans 9 days
British Airways
British Airways
SEA
7:59p
HEL
12:50a
28h 51m
1 stop
HEL
1:10p
SEA
5:15p
28h 05m
1 stop
Depart: Mon Aug 7 2017 Return: Wed Aug 30 2017 Trip spans 24 days
Major Airline
Major Airline
SEA
10:30p
HEL
11:05p
24h 35m
2 stops
HEL
5:50a
SEA
1:07a
19h 17m
2 stops
Depart: Wed Jun 21 2017 Return: Mon Aug 14 2017 Trip spans 55 days
Icelandair
Icelandair
SEA
5:15a
HEL
5:20p
12h 05m
1 stop
HEL
4:45a
SEA
12:15a
19h 30m
1 stop
Depart: Sun Jul 2 2017 Return: Fri Aug 4 2017 Trip spans 34 days
KLM
KLM
SEA
9:44a
HEL
10:10a
24h 26m
1 stop
HEL
3:00a
SEA
4:21a
25h 21m
2 stops
Depart: Fri Apr 28 2017 Return: Sat May 6 2017 Trip spans 9 days
Lufthansa
Lufthansa
SEA
8:00a
HEL
3:10a
19h 10m
2 stops
HEL
8:35a
SEA
2:51a
18h 16m
2 stops
Depart: Sat May 6 2017 Return: Tue May 30 2017 Trip spans 25 days
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: Fri Apr 14 2017 Return: Sun Apr 23 2017 Trip spans 10 days
Delta
Delta
SEA
7:28a
HEL
11:20p
15h 52m
2 stops
HEL
10:05a
SEA
5:12p
31h 07m
1 stop
Depart: Sat Apr 29 2017 Return: Tue May 9 2017 Trip spans 11 days
Lufthansa
Lufthansa
SEA
8:00a
HEL
10:35a
26h 35m
2 stops
HEL
2:00a
SEA
2:51a
24h 51m
2 stops
Depart: Sun May 7 2017 Return: Sun May 14 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
5:55a
HEL
12:50a
18h 55m
1 stop
HEL
10:10a
SEA
2:45a
16h 35m
1 stop
Depart: Thu Apr 27 2017 Return: Wed May 10 2017 Trip spans 14 days
Lufthansa
Lufthansa
SEA
8:00a
HEL
3:10a
19h 10m
2 stops
HEL
8:35a
SEA
2:51a
18h 16m
2 stops
Depart: Mon May 8 2017 Return: Mon May 15 2017 Trip spans 8 days
American Airlines
American Airlines
SEA
5:55a
HEL
12:50a
18h 55m
1 stop
HEL
10:10a
SEA
2:45a
16h 35m
1 stop
Depart: Mon May 1 2017 Return: Mon May 15 2017 Trip spans 15 days
Lufthansa
Lufthansa
SEA
10:20a
HEL
4:30a
18h 10m
2 stops
HEL
8:35a
SEA
2:51a
18h 16m
2 stops
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
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: Mon Jun 19 2017 Return: Tue Aug 15 2017 Trip spans 58 days
Major Airline
Major Airline
SEA
5:45a
HEL
11:15p
17h 30m
2 stops
HEL
11:30p
SEA
9:59p
22h 29m
2 stops
Depart: Mon Apr 17 2017 Return: Mon Apr 24 2017 Trip spans 8 days
Delta
Delta
SEA
6:45p
HEL
11:20p
28h 35m
2 stops
HEL
10:05a
SEA
5:12p
31h 07m
1 stop
Depart: Thu Jun 22 2017 Return: Thu Jul 6 2017 Trip spans 15 days
Icelandair
Icelandair
SEA
12:30p
HEL
8:30a
20h 00m
1 stop
HEL
11:35a
SEA
11:45p
12h 10m
1 stop
Depart: Tue Apr 11 2017 Return: Tue Apr 25 2017 Trip spans 15 days
Lufthansa
Lufthansa
SEA
9:48a
HEL
4:30a
18h 42m
2 stops
HEL
8:35a
SEA
4:15a
19h 40m
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.

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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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Seattle
$503
Destination

Helsinki
$503