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Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport flight

Explore the cheapest one-way and round-trip flights from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport over the next 90 days, with one-way fares from €363 and round-trip from €636. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 5:40 PM
        9h 30m
        Nonstop
        HEL 1:10 PM
        Seattle - Helsinki | Fri, Sep 25 | American Airlines
        HEL 4:20 PM
        9h 40m
        Nonstop
        SEA 4:00 PM
        Helsinki - Seattle | Fri, Oct 2 | American Airlines
        €987 €1,240
        20% off
        20% off
        €1,240 €987
      • SEA 5:40 PM
        9h 30m
        Nonstop
        HEL 1:10 PM
        Seattle - Helsinki | Fri, Oct 2 | Iberia
        HEL 4:20 PM
        9h 40m
        Nonstop
        SEA 4:00 PM
        Helsinki - Seattle | Fri, Oct 9 | Iberia
        €1,004 €1,240
        19% off
        19% off
        €1,240 €1,004
      • SEA 2:35 PM
        12h 25m
        1 stop
        HEL 1:00 PM
        Seattle - Helsinki | Tue, Nov 17 | Icelandair
        HEL 2:00 PM
        13h
        1 stop
        SEA 5:00 PM
        Helsinki - Seattle | Sun, Nov 22 | Icelandair
        €636 €1,240
        49% off
        49% off
        €1,240 €636
      • SEA 7:05 PM
        37h 5m
        1 stop
        HEL 6:10 PM
        Seattle - Helsinki | Thu, Nov 19 | Turkish Airlines
        HEL 7:05 PM
        32h 5m
        1 stop
        SEA 5:10 PM
        Helsinki - Seattle | Thu, Nov 26 | Turkish Airlines
        €764
        38% off
        €1,240 €764
      • SEA 2:35 PM
        12h 25m
        1 stop
        HEL 1:00 PM
        Seattle - Helsinki | Thu, Nov 19 | Icelandair
        HEL 2:00 PM
        13h
        1 stop
        SEA 5:00 PM
        Helsinki - Seattle | Thu, Nov 26 | Icelandair
        €773
        38% off
        €1,240 €773
      • SEA 7:05 PM
        37h 5m
        1 stop
        HEL 6:10 PM
        Seattle - Helsinki | Tue, Nov 17 | Turkish Airlines
        HEL 7:05 PM
        32h 5m
        1 stop
        SEA 5:10 PM
        Helsinki - Seattle | Sun, Nov 22 | Turkish Airlines
        €797
        36% off
        €1,240 €797
      • SEA 7:15 PM
        29h 55m
        1 stop
        HEL 11:10 AM
        Seattle - Helsinki | Mon, Oct 19 | Turkish Airlines
        HEL 7:05 PM
        32h 5m
        1 stop
        SEA 6:10 PM
        Helsinki - Seattle | Sun, Oct 25 | Turkish Airlines
        €816
        34% off
        €1,240 €816
      • SEA 7:05 PM
        30h 25m
        1 stop
        HEL 11:30 AM
        Seattle - Helsinki | Mon, Nov 9 | Turkish Airlines
        HEL 7:05 PM
        32h 5m
        1 stop
        SEA 5:10 PM
        Helsinki - Seattle | Mon, Nov 16 | Turkish Airlines
        €821
        34% off
        €1,240 €821
      • SEA 4:05 PM
        14h 35m
        1 stop
        HEL 4:40 PM
        Seattle - Helsinki | Tue, Nov 17 | Virgin Atlantic
        HEL 6:20 PM
        27h 27m
        1 stop
        SEA 11:47 AM
        Helsinki - Seattle | Sun, Nov 22 | KLM
        €855
        31% off
        €1,240 €855
      • SEA 4:05 PM
        14h 35m
        1 stop
        HEL 4:40 PM
        Seattle - Helsinki | Tue, Nov 17 | Delta Air Lines
        HEL 6:40 AM
        15h 7m
        1 stop
        SEA 11:47 AM
        Helsinki - Seattle | Sun, Nov 22 | Delta Air Lines
        €860
        31% off
        €1,240 €860
      • SEA 4:05 PM
        14h 35m
        1 stop
        HEL 4:40 PM
        Seattle - Helsinki | Tue, Nov 17 | Air France
        HEL 2:05 PM
        31h 42m
        1 stop
        SEA 11:47 AM
        Helsinki - Seattle | Sun, Nov 22 | KLM
        €872
        30% off
        €1,240 €872
      • SEA 10:27 AM
        15h 13m
        1 stop
        HEL 11:40 AM
        Seattle - Helsinki | Tue, Nov 17 | British Airways
        HEL 12:30 PM
        21h 17m
        1 stop
        SEA 11:47 PM
        Helsinki - Seattle | Sun, Nov 22 | British Airways
        €875
        28% off
        €1,240 €875
      • SEA 4:05 PM
        14h 35m
        1 stop
        HEL 4:40 PM
        Seattle - Helsinki | Tue, Nov 17 | KLM
        HEL 6:40 AM
        15h 7m
        1 stop
        SEA 11:47 AM
        Helsinki - Seattle | Sun, Nov 22 | KLM
        €882
        28% off
        €1,240 €882
      • SEA 2:35 PM
        16h 50m
        1 stop
        HEL 5:25 PM
        Seattle - Helsinki | Mon, Nov 9 | Delta Air Lines
        HEL 2:05 PM
        31h 42m
        1 stop
        SEA 11:47 AM
        Helsinki - Seattle | Mon, Nov 16 | Delta Air Lines
        €898
        28% off
        €1,240 €898
      • SEA 1:00 PM
        17h 25m
        1 stop
        HEL 2:00 PM
        Seattle - Helsinki | Fri, Sep 25 | Normal Airline
        HEL 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Helsinki - Seattle | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        SEA 5:40 PM
        9h 30m
        Nonstop
        HEL 1:10 PM
        Seattle - Helsinki | Fri, Oct 2 | American Airlines
        €603 €777
        22% off
        22% off
        €777 €603
      • SEA 5:40 PM
        9h 30m
        Nonstop
        HEL 1:10 PM
        Seattle - Helsinki | Fri, Oct 2 | British Airways
        €629 €777
        19% off
        19% off
        €777 €629
      • SEA 7:00 PM
        20h 55m
        1 stop
        HEL 1:55 AM
        Seattle - Helsinki | Tue, Oct 13 | Icelandair
        €363 €777
        53% off
        53% off
        €777 €363
      • SEA 5:30 PM
        19h 55m
        1 stop
        HEL 11:25 PM
        Seattle - Helsinki | Fri, Oct 9 | Virgin Atlantic
        €394
        49% off
        €777 €394
      • SEA 5:30 PM
        19h 55m
        1 stop
        HEL 11:25 PM
        Seattle - Helsinki | Fri, Oct 9 | KLM
        €430
        45% off
        €777 €430
      • SEA 5:30 PM
        19h 55m
        1 stop
        HEL 11:25 PM
        Seattle - Helsinki | Fri, Oct 9 | Air France
        €430
        45% off
        €777 €430
      • SEA 7:15 PM
        37h 30m
        1 stop
        HEL 6:45 PM
        Seattle - Helsinki | Sun, Oct 25 | Turkish Airlines
        €511
        34% off
        €777 €511
      • SEA 7:15 PM
        37h 25m
        1 stop
        HEL 6:40 PM
        Seattle - Helsinki | Mon, Oct 12 | Turkish Airlines
        €512
        34% off
        €777 €512
      • SEA 7:15 PM
        37h 30m
        1 stop
        HEL 6:45 PM
        Seattle - Helsinki | Fri, Oct 9 | Turkish Airlines
        €515
        34% off
        €777 €515
      • SEA 7:15 PM
        37h 30m
        1 stop
        HEL 6:45 PM
        Seattle - Helsinki | Thu, Sep 24 | Turkish Airlines
        €517
        33% off
        €777 €517
      • SEA 7:15 PM
        18h 40m
        1 stop
        HEL 11:55 PM
        Seattle - Helsinki | Sat, Oct 3 | Turkish Airlines
        €520
        33% off
        €777 €520
      • SEA 7:15 PM
        37h 25m
        1 stop
        HEL 6:40 PM
        Seattle - Helsinki | Tue, Oct 13 | Turkish Airlines
        €546
        30% off
        €777 €546
      • SEA 7:15 PM
        37h 30m
        1 stop
        HEL 6:45 PM
        Seattle - Helsinki | Wed, Sep 30 | Turkish Airlines
        €548
        28% off
        €777 €548
      • SEA 6:50 PM
        14h 5m
        1 stop
        HEL 6:55 PM
        Seattle - Helsinki | Sun, Oct 25 | Lufthansa
        €553
        28% off
        €777 €553
      • SEA 1:00 PM
        17h 25m
        1 stop
        HEL 2:00 PM
        Seattle - Helsinki | Fri, Sep 25 | Normal Airline
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Displayed flight fares from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport?

The cheapest airline flying from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport is Icelandair (from €253) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From €253
Delta Air Lines
From €360
Virgin Atlantic
From €394
KLM
From €430
Air France
From €430
Lufthansa
From €468
Turkish Airlines
From €511
Alaska Airlines
From €595
American Airlines
From €603
United Airlines
From €622

Find more flights and airlines

What is the flight schedule from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport?

Check the schedule for flights from Seattle to Helsinki and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA8982

    Seattle Tacoma Intl. Airport

    5:40 PM

    SEA

    9h 30m

    1:10 PM

    HEL

    S M - - T F -
    Search

  2. IB6468

    Seattle Tacoma Intl. Airport

    5:40 PM

    SEA

    9h 30m

    1:10 PM

    HEL

    S - - - T - -
    Search

  3. BA6014

    Seattle Tacoma Intl. Airport

    5:40 PM

    SEA

    9h 30m

    1:10 PM

    HEL

    S - - - T - -
    Search

  4. AY034

    Seattle Tacoma Intl. Airport

    5:40 PM

    SEA

    9h 30m

    1:10 PM

    HEL

    S - - - T - -
    Search

  5. FI680

    Seattle Tacoma Intl. Airport

    3:40 PM

    SEA

    7h 35m

    Nonstop

    6:15 AM

    KEF

    S - T - T F S
    Search

  6. FI342

    Reykjavik Keflavik Airport

    7:30 AM

    KEF

    3h 30m

    Nonstop

    1:00 PM

    HEL

    S M T W T F S

  7. LH489

    Seattle Tacoma Intl. Airport

    6:50 PM

    SEA

    9h 50m

    Nonstop

    1:40 PM

    MUC

    - M T W T F S
    Search

  8. LH2464

    Munich Airport

    3:25 PM

    MUC

    2h 30m

    Nonstop

    6:55 PM

    HEL

    S M T W T F S

  9. AA2966

    Seattle Tacoma Intl. Airport

    1:40 PM

    SEA

    4h 35m

    Nonstop

    8:15 PM

    ORD

    S M T W T F S
    Search

  10. AY010

    O'Hare Intl. Airport

    9:30 PM

    ORD

    8h 45m

    Nonstop

    2:15 PM

    HEL

    S M T W T F S

  11. AY4078

    Seattle Tacoma Intl. Airport

    1:40 PM

    SEA

    4h 35m

    Nonstop

    8:15 PM

    ORD

    S M T W T F S
    Search

  12. AY010

    O'Hare Intl. Airport

    9:30 PM

    ORD

    8h 45m

    Nonstop

    2:15 PM

    HEL

    S M T W T F S

  13. AY4215

    Seattle Tacoma Intl. Airport

    11:31 AM

    SEA

    3h

    Nonstop

    2:31 PM

    LAX

    - - - W - - S
    Search

  14. AY002

    Los Angeles Intl. Airport

    6:50 PM

    LAX

    10h 35m

    Nonstop

    3:25 PM

    HEL

    - M - W - F S

  15. AA1667

    Seattle Tacoma Intl. Airport

    7:51 AM

    SEA

    3h 54m

    Nonstop

    1:45 PM

    DFW

    S M T W T F S
    Search

  16. AA9018

    Dallas Fort Worth International Airport

    4:50 PM

    DFW

    9h 55m

    Nonstop

    10:45 AM

    HEL

    S M T W T F S
Find more flights and airlines

About Seattle Tacoma Intl. Airport and Helsinki Vantaa Airport

Learn about Seattle Tacoma Intl. Airport (SEA) and Helsinki Vantaa Airport (HEL) — including location, terminals, transportation, and travel tips.

Flight distance7,681.91 km
Cheapest one-way ticket price€363
Cheapest return ticket price€636

FAQs for Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport Flights

  • How long is the flight from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport?

    Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport takes about 8 hours 59 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Seattle Tacoma Intl. Airport (SEA) to Helsinki Vantaa Airport (HEL).
  • The earliest flight from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport departs at 17:40, and the last departs at 17:40, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle Tacoma Intl. Airport (SEA) to Helsinki Vantaa Airport (HEL) is quite popular. Without considering departure times or holidays, tickets cost around €645 in September, the most expensive month to book this route.
  • The latest flight departs from Seattle Tacoma Intl. Airport (SEA) at 17:40 and arrives in Helsinki Vantaa Airport (HEL) at 13:10.
    • The distance from Helsinki Airport to downtown is about 16 km. It takes about 30 minutes by taxi.
  • Finnair is a very popular airline operating an average of 31 flights per month.
  • One-way flights from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport currently start from €363, and round-trip fares start from €636. The current lowest fare is a Icelandair flight departing on Tue, Oct 13; prices may vary depending on availability.
  • Yes. Finnair operate direct flights from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport, with an average flight time of 8 hours 53 minutes, and around 2 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport is €703. Prices may vary depending on the departure date, airline, and availability.
  • Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport operates around 1 weekly flights, mainly by Finnair. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle Tacoma Intl. Airport and Helsinki Vantaa Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.