Cheap flights from Helsinki to Seattle from $453
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Seattle departing on 9/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Helsinki to Seattle
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 Helsinki and Seattle?
What is the cheapest month to fly to Seattle?
In general, March is the cheapest month to fly from Helsinki to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $733. If you don’t want to visit Seattle in March, then you should wait until April to fly from Helsinki, when ticket prices are also cheap, with an average price of $762.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Helsinki is on a Monday. momondo users have found tickets for Monday departures for as low as $908. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Helsinki because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $972.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Helsinki at noon is the least expensive time of day to depart. momondo users have found prices as low as $761 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $958. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Helsinki-Vantaa to Seattle/Tacoma Intl flight route?
Fly from Helsinki-Vantaa to Seattle/Tacoma Intl for the best Helsinki-Vantaa - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $826 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Helsinki for as low as $741 on momondo.
What cabin class options are available on Helsinki-Vantaa to Seattle/Tacoma Intl flights?
There are 3 cabin classes available to choose from on Helsinki-Vantaa to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Helsinki to Seattle flights?
You could potentially save up to 9% on your flight if you consider stops on a Helsinki to Seattle flight.
How have Helsinki to Seattle flight prices changed over time?
As of July 2025, prices for Helsinki to Seattle flights are approximately 4% more expensive when compared to flights at the same time last year.
How many flights depart from Helsinki to Seattle on average per day?
The number of flights available between Helsinki and Seattle is 3 per day as of July 2025. The most frequent departure time is 4:00PM, with 100% of daily flights leaving in the afternoon.
How many flights depart from Helsinki to Seattle on average per week?
The number of flights available between Helsinki and Seattle is 25 per week as of July 2025. The most frequent departure day is Mon, with 20% of weekly flights leaving on this day.
When to book flights from Helsinki to Seattle
Cheap Helsinki to Seattle (HEL to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Helsinki to Seattle
Best Price Found | $453 |
|---|---|
Fastest flight time | 9h 40m |
Direct flights | Mon, Tue, Thu, Fri and Sun |
Airports in Seattle | 1 airport |
How far is Helsinki-Vantaa to Seattle/Tacoma Intl by plane?
Seattle/Tacoma Intl is 4763.3 mi away from Helsinki-Vantaa. Typically, this will take 9h 40m by plane in normal conditions.
When did momondo last update prices for flights from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport are updated daily.
How many operators does momondo search for flights from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport?
As of July 2025, there are 2 operators available to choose from for flights from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helsinki-Vantaa Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Helsinki to Seattle?
momondo data reveals that the most frequently booked plane model on the route from Helsinki to Seattle is Airbus A330-300, representing 80.19% of all bookings. The subsequent popular models are Airbus A330 at 14.01%, Airbus A350-900 at 5.31%, and Airbus A320-100/200 at 0.48%.
What is the most popular airline from Helsinki to Seattle?
Based on momondo bookings for flights between Helsinki and Seattle, the leading airline is Icelandair, making up 58% of the total bookings. Other popular airlines include Finnair with 42%.
Best airlines flying from Helsinki to Seattle
Compare and see reviews for airlines that fly from Helsinki to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $504 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $595 | Free Cancellation | Rating 7.6 1,311 reviews |
Finnair Flights From Helsinki to Seattle
Finnair operates around 5 flights from Helsinki to Seattle every week. The average price of these flights found in the last 72 hours has been $862, but momondo users have found Finnair deals from Helsinki to Seattle from as low as $595 round-trip. Finnair has been scored 7.6/10 in 1,311 reviews.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Helsinki to Seattle?
Finding the right flight to Seattle from Helsinki is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Helsinki to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Helsinki which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Helsinki to Seattle?
momondo provides multiple filters to help you find the best flight to Seattle from Helsinki. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Helsinki to Seattle right now. Can momondo alert me if prices change?
Price alerts on flights to Seattle from Helsinki 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.