Cheap flights from Seattle (SEA) to Helsinki (HEL)

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The best prices from Seattle/Tacoma Intl to Helsinki-Vantaa are usually found in March or November, booked 50 days in advance, depart on a Thursday or Monday and return on a Monday

How to find the cheapest flight from
Seattle (SEA) to Helsinki (HEL)

All the information you need to plan the best SEA to HEL flight in 2022: compare Seattle to Helsinki flight prices with the expected peak season, weather and rainfall in Helsinki.
SEA - HEL
Price
$544 - $1,175
HEL
Temperature
21.2 - 60.8 °F
HEL
Rainfall
1.2 - 2.8 inches

Popular in

June

High demand for flights, 34% potential price rise

Cheapest in

March

Best time to find cheap flights, 30% potential price drop

Average price

$1,033

Average for round-trip flights in July 2022

Round-trip from

$544

From Seattle/Tacoma Intl to Helsinki-Vantaa

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Helsinki?

Travelers have found it’s best to book a flight 50 days in advance to save up to 85% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 50 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to Helsinki 1-2 weeks in advance for as low as $1,093, or $1,358 for flights within the next 24 hours.

When is the cheapest time to fly from Seattle to Helsinki (SEA - HEL)?

It’s optimal to fly from Seattle to Helsinki at noon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the evening.

What is the cheapest month to fly from Seattle to Helsinki?

March can be a great time to fly to Helsinki from Seattle with a flight ticket averaging about $781. Cheapflights users have found deals in the month of March for as cheap as $485. The most expensive prices can be found in the month of June.

What is the cheapest day to fly round-trip from Seattle to Helsinki?

Flights from Seattle to Helsinki are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Helsinki.

Cheap flights from Seattle to Helsinki in July, August 2022

The best prices found for SEA to HEL flights for July, August
26 Aug - 3 Sep
$983pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
10 Aug - 14 Aug
$1,003pp
SEA
Seattle/Tacoma Intl
Turkish Airlines
 
1 STOP
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Turkish Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Aug - 5 Sep
$1,012pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Helsinki 2022 flight deals

Cheap flights to Helsinki from Seattle found for this year
30 Oct - 10 Nov
$567pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
23 Oct - 13 Nov
$572pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
20 Nov - 26 Nov
$617pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl

Non-stop flights to Helsinki from Seattle

Save time with Seattle to Helsinki direct flight deals
21 Sep - 14 Oct
$734pp
SEA
Seattle/Tacoma Intl
Iberia
Non-Stop
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Iberia
Non-Stop
SEA
Seattle/Tacoma Intl
26 Sep - 3 Oct
$784pp
SEA
Seattle/Tacoma Intl
Iberia
Non-Stop
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Iberia
Non-Stop
SEA
Seattle/Tacoma Intl
21 Sep - 14 Oct
$789pp
SEA
Seattle/Tacoma Intl
Finnair
Non-Stop
HEL
Helsinki-Vantaa
HEL
Helsinki-Vantaa
Finnair
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Helsinki-Vantaa from Seattle

The cheapest one-way flights from Seattle to Helsinki
1:45 pm - 1:55 pm
Turkish Airlines
1 Stop
38h 10m
SEA - HEL
Turkish Airlines
$653
oojo
3:05 pm - 10:00 am
Icelandair
1 Stop
32h 55m
SEA - HEL
Icelandair
$695
oojo
7:50 pm - 1:55 pm
Multiple Airlines
2 Stops
32h 05m
SEA - HEL
Multiple Airlines
$717
oojo

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Helsinki</span> flights.

Flight FAQs

From Seattle to Helsinki

What airports do I use to fly from Seattle to Helsinki?

To fly from Seattle to Helsinki, you need to book a flight from Seattle/Tacoma Intl (SEA) to Helsinki-Vantaa (HEL). Nonstop flights to Helsinki-Vantaa from Seattle/Tacoma Intl take 9h 30m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Seattle/Tacoma Intl to Helsinki-Vantaa offered by 11 different airlines.

Which airlines flying from Seattle/Tacoma Intl to Helsinki-Vantaa have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Finnair, Icelandair, and American Airlines flying from Seattle/Tacoma Intl to Helsinki-Vantaa have implemented new flexible cancellation policies.

Can I find flights from Seattle to Helsinki for under $500 on Cheapflights?

Yes, there are multiple flights from Seattle to Helsinki for under $500. The cheapest flight booked recently is on Finnair for just $484, but on average you can expect to pay $609.

Are there nonstop flights from Seattle to Helsinki for under $800 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Helsinki under $800. A good price for a nonstop flight from Seattle to Helsinki is less than $1,018.

What are the cheapest airlines flying from Seattle to Helsinki round-trip?

Cheapflights users have booked flights from Seattle to Helsinki round-trip from $484. Other airlines that can offer you cheap pricing are Lufthansa, from $551, and Icelandair, from $567. Users have found that Finnair is 38% cheaper than the other options available to this destination.

What are the cheapest flights from Seattle to Helsinki?

The cheapest flight price from Seattle to Helsinki is $824. On average you can expect to pay $5,020. The most popular route, (Seattle/Tacoma Intl - Helsinki-Vantaa), can usually be booked for $567.

What are the most reliable airlines from Seattle to Helsinki?

Consider American Airlines (71%), Finnair (71%) or Iberia (71%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Helsinki.

What are the most popular airlines that fly from Seattle to Helsinki?

Major Airline, American Airlines and Air France are the most popular airlines when flying from Seattle to Helsinki.

COVID Restrictions

View COVID Travel Restrictions for Helsinki, Finland

Do I need a COVID test to fly to Helsinki from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Helsinki-Vantaa

Most visitors from Seattle/Tacoma Intl can enter Helsinki-Vantaa without restrictions.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Helsinki-Vantaa.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Helsinki-Vantaa.

Do I need a test to fly back to Seattle from Helsinki?

Returning to Seattle/Tacoma Intl from Helsinki-Vantaa

COVID-19 testing requirements
Visitors from Helsinki-Vantaa are not required to present a negative COVID-19 PCR test or antigen result upon entering Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Helsinki-Vantaa are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Helsinki, Finland

Destination information for Helsinki

Things to know before you go - useful duration and weather info for your trip from Seattle to Helsinki.
Today's exchange rate
$1 = €0.96
Flight duration from SEA to HEL
9h 37m
Average temperature for July in Helsinki
68.0 °F
Avg rainfall for July in Helsinki
2.2 ″

Airports servicing Seattle

Airports servicing Helsinki

Top 7 airlines flying from Seattle/Tacoma Intl to Helsinki-Vantaa

The chart below displays the airlines Cheapflights users traveling from Seattle to Helsinki choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Lufthansa
$395 $602 No cancel fee 76%
Icelandair
$442 $802 No cancel fee 76%
Delta
$450 $683 No cancel fee N/A
KLM
$467 $707 No cancel fee 75%
American Airlines
$469 $1,173 No cancel fee 71%
Finnair
$544 $1,184 No cancel fee 76%
British Airways
$695 $1,610 No cancel fee 70%

Hourly flight availability from Seattle to Helsinki

See what time of day planes typically take off from Seattle towards Helsinki.
Evening 6 PM to midnight 100% of SEA to HEL departures
Early morning Midnight to 6 AM 0% of SEA to HEL departures
Morning 6 AM to noon 0% of SEA to HEL departures
Afternoon Noon to 6 PM 0% of SEA to HEL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to Helsinki
See how many times per day planes take to the skies headed from Seattle to Helsinki.
Sunday
0 flights
Monday
4 daily flights
Tuesday
0 flights
Wednesday
4 daily flights
Thursday
0 flights
Friday
4 daily flights
Saturday
0 flights
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