Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Helsinki from R9 632

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Helsinki

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
12:31 - 1:35SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
27h 04m2 stops Los Angeles Kastrup Copenhagen
Scandinavian Airlines Logo
6:15 - 20:24HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
24h 09m2 stops Kastrup Copenhagen San Francisco
R14 225Scandinavian Airlines
Sat, Nov 28 - Wed, Dec 9
Icelandair Logo
14:35 - 13:00SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
12h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:00 - 17:00HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
R14 373Icelandair
Sun, Nov 29 - Wed, Dec 9
Icelandair Logo
14:35 - 13:00SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
12h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:00 - 17:00HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
R14 489Icelandair
Sun, Nov 15 - Thu, Nov 19
Scandinavian Airlines Logo
12:31 - 20:20SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
21h 49m2 stops Los Angeles Kastrup Copenhagen
Scandinavian Airlines Logo
7:00 - 20:13HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
23h 13m3 stops Stockholm Arlanda Kastrup Copenhagen San Francisco
R14 587Scandinavian Airlines
Tue, Nov 10 - Tue, Nov 17
Scandinavian Airlines Logo
12:31 - 20:20SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
21h 49m2 stops Los Angeles Kastrup Copenhagen
Scandinavian Airlines Logo
7:00 - 20:13HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
23h 13m3 stops Stockholm Arlanda Kastrup Copenhagen San Francisco
R14 604Scandinavian Airlines
Tue, Nov 10 - Tue, Nov 17
Icelandair Logo
15:40 - 19:45SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
18h 05m2 stops Reykjavik Keflavik Intl Oslo Gardermoen
Icelandair Logo
11:40 - 17:55HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
16h 15m2 stops Oslo Gardermoen Reykjavik Keflavik Intl
R14 900Icelandair
Sun, Apr 4 - Fri, Apr 9
Turkish Airlines Logo
19:05 - 18:10SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
37h 05m1 stop Istanbul
Turkish Airlines Logo
19:05 - 17:10HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
32h 05m1 stop Istanbul
R15 015Turkish Airlines
Mon, Nov 30 - Wed, Dec 9
Icelandair Logo
14:35 - 13:00SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
12h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:00 - 17:00HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
R15 197Icelandair
Sat, Nov 28 - Fri, Dec 11
Scandinavian Airlines Logo
7:20 - 10:35SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
41h 15m2 stops Chicago O'Hare Intl Kastrup Copenhagen
Scandinavian Airlines Logo
16:00 - 22:05HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
40h 05m2 stops Kastrup Copenhagen Los Angeles
R15 592Scandinavian Airlines
Sat, Apr 3 - Sat, Apr 10
Turkish Airlines Logo
19:05 - 18:10SEA  Seattle/Tacoma Intl-HEL Helsinki-Vantaa
37h 05m1 stop Istanbul
Turkish Airlines Logo
19:05 - 17:10HEL  Helsinki-Vantaa-SEA Seattle/Tacoma Intl
32h 05m1 stop Istanbul
R15 674Turkish Airlines
Wed, Dec 2 - Mon, Dec 7

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Icelandair flights from Seattle to Helsinki

Our best Icelandair deals on Seattle to Helsinki flight tickets
Icelandair
Nov 29
SEA14:35Seattle/Tacoma Intl
12h 25m
1 stop
HEL13:00Helsinki-Vantaa
Dec 9
HEL14:00Helsinki-Vantaa
13h 00m
1 stop
SEA17:00Seattle/Tacoma Intl
R14 373
Icelandair
Nov 15
SEA14:35Seattle/Tacoma Intl
12h 25m
1 stop
HEL13:00Helsinki-Vantaa
Nov 19
HEL14:00Helsinki-Vantaa
13h 00m
1 stop
SEA17:00Seattle/Tacoma Intl
R14 489
Icelandair
Apr 4
SEA15:40Seattle/Tacoma Intl
18h 05m
2 stops
HEL19:45Helsinki-Vantaa
Apr 9
HEL11:40Helsinki-Vantaa
16h 15m
2 stops
SEA17:55Seattle/Tacoma Intl
R14 900

Scandinavian Airlines flights from Seattle to Helsinki

Our best Scandinavian Airlines deals on Seattle to Helsinki flight tickets
Scandinavian Airlines
Nov 28
SEA12:31Seattle/Tacoma Intl
27h 04m
2 stops
HEL1:35Helsinki-Vantaa
Dec 10
HEL6:15Helsinki-Vantaa
26h 40m
2 stops
SEA22:55Seattle/Tacoma Intl
R14 225
Scandinavian Airlines
Oct 27
SEA7:15Seattle/Tacoma Intl
23h 10m
2 stops
HEL15:25Helsinki-Vantaa
Nov 9
HEL6:15Helsinki-Vantaa
23h 58m
2 stops
SEA20:13Seattle/Tacoma Intl
R14 538
Scandinavian Airlines
Nov 10
SEA12:31Seattle/Tacoma Intl
21h 49m
2 stops
HEL20:20Helsinki-Vantaa
Nov 17
HEL7:00Helsinki-Vantaa
23h 13m
3 stops
SEA20:13Seattle/Tacoma Intl
R14 587

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sat 28/11

12:31-1:35

2 stops27h 04m

Helsinki-Vantaa

Wed 9/12

6:15-20:24

2 stops24h 09m

R14 225
Fastest return journey

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 29/11

14:35-13:00

1 stop12h 25m

Helsinki-Vantaa

Wed 9/12

14:00-17:00

1 stop13h 00m

R14 373

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 15/11

14:35-13:00

1 stop12h 25m

Helsinki-Vantaa

Thu 19/11

14:00-17:00

1 stop13h 00m

R14 489

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Tue 10/11

12:31-20:20

2 stops21h 49m

Helsinki-Vantaa

Tue 17/11

7:00-20:13

3 stops23h 13m

R14 587

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Tue 10/11

12:31-20:20

2 stops21h 49m

Helsinki-Vantaa

Tue 17/11

7:00-20:13

3 stops23h 13m

R14 604

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sun 4/4

15:40-19:45

2 stops18h 05m

Helsinki-Vantaa

Fri 9/4

11:40-17:55

2 stops16h 15m

R14 900

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Mon 30/11

19:05-18:10

1 stop37h 05m

Helsinki-Vantaa

Wed 9/12

19:05-17:10

1 stop32h 05m

R15 015

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sat 28/11

14:35-13:00

1 stop12h 25m

Helsinki-Vantaa

Fri 11/12

14:00-17:00

1 stop13h 00m

R15 197

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Sat 3/4

7:20-10:35

2 stops41h 15m

Helsinki-Vantaa

Sat 10/4

16:00-22:05

2 stops40h 05m

R15 592

SeattleHelsinki

SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa

SEAHEL

Seattle/Tacoma Intl

Wed 2/12

19:05-18:10

1 stop37h 05m

Helsinki-Vantaa

Mon 7/12

19:05-17:10

1 stop32h 05m

R15 674

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Helsinki from

How to get the cheapest flight ticket from Seattle to Helsinki

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Helsinki?

Prices are currently typical for flights on this route.

Typical prices usually range from R14 028 to R14 489.
The lowest price recently found on this route was R14 225.

What is the cheapest month to fly to Helsinki?

In general, January is the cheapest month to fly from Seattle to Helsinki. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R8 940. If you are unable to visit Helsinki during the month of January, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around R12 233.

How far in advance should I book a flight from Seattle to Helsinki?

You are more likely to see cheaper flights to Helsinki from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around R15 202 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Seattle for as low as R13 171 on momondo.

How have Seattle to Helsinki flight prices changed over time?

As of October 2026, prices for Seattle to Helsinki flights are approximately 24% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Helsinki according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Helsinki (SEA to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Helsinki

Best price found

R9 632

Direct flights

None
The best one-way flight to Helsinki from Seattle in the past 72 hours is R9 632. The best return flight deal from Seattle to Helsinki found on momondo in the last 72 hours is R14 225.
There are no direct flights from Seattle to Helsinki. There are no popular flight routes from Seattle to Helsinki.
Search flight deals

Frequently asked questions about flying from Seattle to Helsinki

  • How far is Seattle/Tacoma Intl to Helsinki-Vantaa by plane?

    The straight-line distance from Seattle/Tacoma Intl to Helsinki-Vantaa is 7665,8 km.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Helsinki-Vantaa Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Helsinki-Vantaa Airport refresh daily.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Helsinki-Vantaa Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Seattle to Helsinki?

Travelling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Helsinki?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Helsinki for you.

Can I find flights from Seattle to Helsinki with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helsinki from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Helsinki?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Helsinki.

I’m not ready to book a flight from Seattle to Helsinki right now. Can momondo alert me if prices change?

Price alerts on flights to Helsinki from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Helsinki trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 18/11
Wed 25/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Finland

Airports servicing Finland

Lapland Airport