Find Cheap Flights from Helsinki-Vantaa to Seattle

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 Helsinki-Vantaa to Seattle

(Round-trip)
Depart: Tue Jun 13 2017 Return: Tue Jul 4 2017 Trip spans 22 days
KLM
KLM
HEL
3:00a
SEA
8:29p
17h 29m
2 stops
SEA
9:44a
HEL
3:30a
17h 46m
1 stop
Depart: Wed Jun 14 2017 Return: Fri Jul 7 2017 Trip spans 24 days
KLM
KLM
HEL
10:05a
SEA
8:29p
34h 24m
2 stops
SEA
2:05p
HEL
8:20p
30h 15m
1 stop
Depart: Mon Jun 12 2017 Return: Tue Jul 4 2017 Trip spans 23 days
$1226
Select
Lufthansa
Lufthansa
HEL
2:35a
SEA
5:50p
15h 15m
1 stop
SEA
10:00a
HEL
3:05a
17h 05m
1 stop
Depart: Fri Jun 2 2017 Return: Fri Jun 30 2017 Trip spans 29 days
$1271
Select
British Airways
British Airways
HEL
3:45a
SEA
11:10p
19h 25m
1 stop
SEA
9:30a
HEL
9:35a
24h 05m
1 stop
Depart: Sun Jun 11 2017 Return: Tue Jul 4 2017 Trip spans 24 days
$1254
Select
Lufthansa
Lufthansa
HEL
2:35a
SEA
5:50p
15h 15m
1 stop
SEA
10:00a
HEL
3:05a
17h 05m
1 stop
Depart: Thu Jun 15 2017 Return: Tue Jul 4 2017 Trip spans 20 days
$1225
Select
KLM
KLM
HEL
3:00a
SEA
8:29p
17h 29m
2 stops
SEA
7:16a
HEL
11:20p
16h 04m
2 stops
Depart: Sat Jun 17 2017 Return: Tue Jul 4 2017 Trip spans 18 days
$1332
Select
Lufthansa
Lufthansa
HEL
2:35a
SEA
12:31a
21h 56m
2 stops
SEA
10:00a
HEL
3:05a
17h 05m
1 stop
Depart: Fri Jun 16 2017 Return: Tue Jul 4 2017 Trip spans 19 days
$1343
Select
Lufthansa
Lufthansa
HEL
2:35a
SEA
5:50p
15h 15m
1 stop
SEA
10:00a
HEL
3:05a
17h 05m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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

Helsinki
$609
Destination

Seattle
$609