Question 1

How long does a flight from Helsinki to Seattle take?

Accepted Answer

There are no direct flights from Helsinki to Seattle. The quickest journey takes 9h 40m. Visit our flight page for the latest deals!>/a>

Question 2

What is the cheapest flight from Helsinki to Seattle?

Accepted Answer

In the last 3 days, the lowest price for a flight from Helsinki to Seattle was $463 for a one-way ticket and $557 for a round-trip. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 3

Do I need a passport to fly between Helsinki and Seattle?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Helsinki and on arrival in Seattle. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 4

What’s the cheapest day of the week to fly from Helsinki to Seattle?

Accepted Answer

If your flying dates are flexible, you should consider flying to Seattle on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from Helsinki to Seattle. For your return ticket, we recommend flying on a Tuesday and avoiding Saturdays for the best deals. Visit our flight page for the latest deals!>/a>

Question 5

What’s the cheapest day of the week to fly from Helsinki to Seattle?

Accepted Answer

If your flying dates are flexible, you should consider flying to Seattle on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from Helsinki to Seattle. For your return ticket, we recommend flying on a Tuesday and avoiding Saturdays for the best deals. Visit our flight page for the latest deals!>/a>

Question 6

Which airports will I be using when flying from Helsinki to Seattle?

Accepted Answer

On your way to Seattle, you’ll fly out from Helsinki-Vantaa. You’ll be landing at Seattle/Tacoma Intl. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 7

Which aircraft models fly most regularly from Helsinki to Seattle?

Accepted Answer

The Airbus A330-300 is the aircraft model that flies most regularly on the Helsinki to Seattle flight route.

Question 8

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

Accepted Answer

The cheapest month for flights from Helsinki to Seattle is October, where tickets cost $785 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,067 and $994 respectively.

Question 9

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

Accepted Answer

The cheapest month for flights from Helsinki to Seattle is October, where tickets cost $785 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,067 and $994 respectively.

Question 10

How does KAYAK find such low prices on flights from Helsinki to Seattle?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helsinki to Seattle. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 11

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helsinki to Seattle?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Helsinki is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 12

What is the Hacker Fare option on flights from Helsinki to Seattle?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Helsinki with another airline. Booking your flights between Helsinki and SEA can sometimes prove cheaper using this method. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 13

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helsinki to Seattle?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Helsinki up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Helsinki-Vantaa-HEL/Seattle-Tacoma-Intl-SEA'>Visit our flight page for the latest deals!>/a>

Question 14

What is the cheapest layover airport when flying from Helsinki to Seattle?

Accepted Answer

Flights via Reykjavik (KEF) offer the most affordable fares, with an average round-trip price of $1,227.

Question 15

What is the most popular layover airport when flying from Helsinki to Seattle?

Accepted Answer

Reykjavik (KEF) is the top choice – 75% of KAYAK users who clicked on 1-stop flights from Helsinki to Seattle picked an itinerary connecting there.

Question 16

Which layover airport has the quickest connection when flying from Helsinki to Seattle?

Accepted Answer

If you prefer a quick connection, Amsterdam (AMS) often has the shortest layovers from Helsinki to Seattle, with an average of 1h 30m.

Question 17

Which layover airport offers the shortest total travel time from Helsinki to Seattle?

Accepted Answer

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 13h 57m.

Question 18

How often are flights from Helsinki to Seattle delayed?

Accepted Answer

Weekly flights between Helsinki and Seattle historically see delays in approximately 39% of cases, with the average delay over the past year being 87 minutes.

Question 19

Which airline has the best punctuality record on Helsinki to Seattle flights?

Accepted Answer

Based on our data, Finnair have experienced the fewest delays on this route in the past 12 months, with only about 39% of their flights encountering any delays.

Question 20

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Statistically, Monday is the day of the week with the fewest delays on this flight route, while Saturday has typically experienced more delays than other days.

Question 21

What is the most punctual flight time for Helsinki to Seattle flights?

Accepted Answer

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Question 22

Which cabin class options are there for flights between Helsinki and Seattle?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 23

Which cabin class options are there for flights between Helsinki and Seattle?

Accepted Answer

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 24

Which airlines provide the cheapest flights from Helsinki to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helsinki to Seattle were found on Turkish Airlines ($779) and Icelandair ($829).

Question 25

Which airlines provide the cheapest flights from Helsinki to Seattle?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Helsinki to Seattle were found on Turkish Airlines ($779) and Icelandair ($829).

Question 26

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

Accepted Answer

To get a below average price on the flight from Helsinki to Seattle, you should book around 6 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Question 27

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

Accepted Answer

To get a below average price on the flight from Helsinki to Seattle, you should book around 6 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Question 28

Can I save money by flying with a layover from Helsinki to Seattle?

Accepted Answer

No, with an average price for the route of $1,261, prices are generally cheapest when you fly direct.

Question 29

Can I save money by flying with a layover from Helsinki to Seattle?

Accepted Answer

No, with an average price for the route of $1,261, prices are generally cheapest when you fly direct.

Question 30

How much is a round-trip flight from Helsinki to Seattle?

Accepted Answer

Flight prices are below average for this route right now.Flights to Seattle from Helsinki usually cost between $784 and $1,095 in May.
The lowest price found in the past 3 days was $557 on Multiple Airlines (May 10-May 24).

Low season	January
High season	July
Cheapest flight	$463

HEL - SEA

$463 Find Cheap Flights from Helsinki to Seattle

KAYAK searches hundreds of travel sites at once for deals on flights to Seattle

Everything you should know

Cheap Flights from Helsinki to Seattle (HEL-SEA)

Recent round-trip flight deals from Helsinki to Seattle

Recent one-way flight deals from Helsinki to Seattle

Recent direct flight deals from Helsinki to Seattle

KAYAK's insights & trends for Helsinki to Seattle flights

Get data-powered insights and trends into flights from Helsinki to Seattle to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Helsinki to Seattle?

What’s the cheapest day of the week to fly from Helsinki to Seattle?

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

The cheapest month for flights from Helsinki to Seattle is October, where tickets cost $785 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $1,067 and $994 respectively.

Can I save money by flying with a layover from Helsinki to Seattle?

No, with an average price for the route of $1,261, prices are generally cheapest when you fly direct.

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

To get a below average price on the flight from Helsinki to Seattle, you should book around 6 weeks before departure, which saves you about 20% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Which airlines provide the cheapest flights from Helsinki to Seattle?

In the past 3 days, the cheapest round-trip tickets from Helsinki to Seattle were found on Turkish Airlines ($779) and Icelandair ($829).

How often are flights from Helsinki to Seattle delayed?

Weekly flights between Helsinki and Seattle historically see delays in approximately 39% of cases, with the average delay over the past year being 87 minutes.

What is the most punctual flight time for Helsinki to Seattle flights?

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

What day of the week experiences the fewest flight delays on this route?

Statistically, Monday is the day of the week with the fewest delays on this flight route, while Saturday has typically experienced more delays than other days.

Which airline has the best punctuality record on Helsinki to Seattle flights?

Based on our data, Finnair have experienced the fewest delays on this route in the past 12 months, with only about 39% of their flights encountering any delays.

What is the most popular layover airport when flying from Helsinki to Seattle?

Reykjavik (KEF) is the top choice – 75% of KAYAK users who clicked on 1-stop flights from Helsinki to Seattle picked an itinerary connecting there.

What is the cheapest layover airport when flying from Helsinki to Seattle?

Flights via Reykjavik (KEF) offer the most affordable fares, with an average round-trip price of $1,227.

Which layover airport offers the shortest total travel time from Helsinki to Seattle?

Consider flying via Reykjavik (KEF) for the shortest journey. The average one-way travel time for flights connecting there is 13h 57m.

Which layover airport has the quickest connection when flying from Helsinki to Seattle?

If you prefer a quick connection, Amsterdam (AMS) often has the shortest layovers from Helsinki to Seattle, with an average of 1h 30m.

Which cabin class options are there for flights between Helsinki and Seattle?

There are 3 cabin class options for the route. These are Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Helsinki to Seattle take?

There are no direct flights from Helsinki to Seattle. The quickest journey takes 9h 40m.

Good to know

When to book flights from Helsinki to Seattle

FAQs for booking flights from Helsinki to Seattle

What is the cheapest flight from Helsinki to Seattle?

In the last 3 days, the lowest price for a flight from Helsinki to Seattle was $463 for a one-way ticket and $557 for a round-trip.

Do I need a passport to fly between Helsinki and Seattle?

Yes, you'll most likely have to show a valid passport before boarding the plane in Helsinki and on arrival in Seattle.

Which airports will I be using when flying from Helsinki to Seattle?

On your way to Seattle, you’ll fly out from Helsinki-Vantaa. You’ll be landing at Seattle/Tacoma Intl.

Which aircraft models fly most regularly from Helsinki to Seattle?

The Airbus A330-300 is the aircraft model that flies most regularly on the Helsinki to Seattle flight route.

How does KAYAK find such low prices on flights from Helsinki to Seattle?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Helsinki to Seattle.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Helsinki to Seattle?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Helsinki is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Helsinki to Seattle?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Helsinki with another airline. Booking your flights between Helsinki and SEA can sometimes prove cheaper using this method.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Helsinki to Seattle?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Helsinki up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prefer to fly direct from Helsinki to Seattle?

Everything you need to know for your flight from Helsinki to Seattle

Information on your arrival and departure airports

Cabin class types available on flights from Helsinki to Seattle

Complete your trip to Seattle with a hotel stay or car rental

Find direct flights to and from Helsinki and Seattle

Flights to other popular destinations

Flights from domestic origins to Seattle

Choose which airport to fly into in Seattle

Find deals for your return flight