Cheap flights from Seattle to Helsinki from $426

Trusted by millions

Kiwi.com Guarantee for stress-free travel

One search, all the best deals

Explore flight deals to Helsinki

1 stop
Wed, Nov 5
Seattle SEAHelsinki HEL

$426
Search
1 stop
Tue, Nov 4
Seattle SEAHelsinki HEL

$428
Search
1 stop
Tue, Nov 4
Seattle SEAHelsinki HEL

$440
Search
1 stop
Sat, Nov 8
Seattle SEAHelsinki HEL

$442
Search
2 stops
Tue, Nov 4
Seattle SEAHelsinki HEL

$491
Search
2 stops
Mon, Nov 3
Seattle SEAHelsinki HEL

$492
Search

Not happy with the results? Try some of our useful filters

2 stops
Fri, Nov 7 – Wed, Nov 12
Seattle SEAHelsinki HEL

$660
Search
2 stops
Fri, Nov 7 – Wed, Nov 12
Seattle SEAHelsinki HEL

$674
Search
2 stops
Fri, Nov 7 – Tue, Nov 11
Seattle SEAHelsinki HEL

$705
Search
2 stops
Fri, Nov 7 – Tue, Nov 11
Seattle SEAHelsinki HEL

$705
Search
2 stops
Fri, Nov 7 – Tue, Nov 11
Seattle SEAHelsinki HEL

$736
Search
2 stops
Fri, Nov 7 – Wed, Nov 12
Seattle SEAHelsinki HEL

$755
Search

Not happy with the results? Try some of our useful filters

How much do flights to Helsinki cost?

Key info about flying to Helsinki

Depart from
Seattle–Tacoma International
Arrive to
Helsinki
Average flights per week
400
Flight distance
Worth visiting
Old Town of Tallinn - Temppeliaukion Kirkko

Check-in for a flight from Seattle to Helsinki

NameCarrier codeIATA CodePassport needed during booking
FinnairFINAYNo
IcelandairICEFINo
LufthansaDLHLHNo
RyanairRYRFRNo
SASSASSKNo

Weather in Helsinki

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-5°C
February-1°C-5°C
March1°C-3°C
April6°C1°C
May13°C6°C
June17°C11°C
July20°C14°C
August19°C14°C
September15°C10°C
October8°C5°C
November4°C1°C
December0°C-2°C
Hottest Month
20°C
July
Coldest month
-5°C
January
Sunny days
233
days per year
Snow days
29
days per year

14 day forecast

Saturday
18 Oct
6°C2°C
25 Oct
87%
8°C7°C
Sunday
19 Oct
88%
9°C3°C
26 Oct
85%
7°C6°C
Monday
20 Oct
87%
9°C6°C
27 Oct
85%
5°C4°C
Tuesday
21 Oct
8°C5°C
28 Oct
74%
4°C2°C
Wednesday
22 Oct
7°C5°C
29 Oct
89%
5°C3°C
Thursday
23 Oct
8°C5°C
30 Oct
4°C1°C
Friday
24 Oct
7°C4°C
31 Oct
3°C0°C
Travelers usually depart from Seattle–Tacoma International, Kenmore Air Harbor Seaplane Base, or Boeing Field when they travel from Seattle to Helsinki. The most popular airlines for this route are Finnair, Icelandair, Lufthansa, Ryanair, and SAS. Seattle and Helsinki have 400 direct flights per week. When you arrive at Helsinki, consider visiting Old Town of Tallinn, and Temppeliaukion Kirkko.

Frequently asked questions

What are the most popular routes to and from Seattle?
What are the most popular routes to and from Helsinki?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Helsinki?
Which airlines fly between Seattle and Helsinki?
When’s the best time to travel between Seattle and Helsinki?
What flights operate between Seattle and Helsinki?
How many airports are there near Seattle?
How many airports are there near Helsinki?
What time do nonstop (direct) flights between Seattle and Helsinki depart?
What time do nonstop (direct) flights between Seattle and Helsinki arrive?
What time do flights between Seattle and Helsinki depart?
What time do flights between Seattle and Helsinki arrive?

Explore alternative trips

Flights from Seattle

Flights to Helsinki

Popular routes

The nearest countries with flights to Helsinki

Here is a list of countries people are flying from

Other destination countries from Seattle

Here is a list of countries people are flying to

Download our app

Start your next adventure now. Download our app and explore cheap flights effortlessly!

Find the best connection from Seattle to Helsinki
Search flights