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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 €343 and round-trip from €650. Based on Trip.com's latest 7-day flight data.

      • 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
        €650 €1,240
        48% off
        48% off
        €1,240 €650
      • 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
        €781 €1,240
        37% off
        37% off
        €1,240 €781
      • 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
        €790 €1,240
        36% off
        36% off
        €1,240 €790
      • 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
        €814
        34% off
        €1,240 €814
      • 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
        €834
        33% off
        €1,240 €834
      • 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
        €839
        32% off
        €1,240 €839
      • 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
        €874
        30% off
        €1,240 €874
      • 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
        €879
        28% off
        €1,240 €879
      • 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
        €891
        28% off
        €1,240 €891
      • 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
        €894
        28% off
        €1,240 €894
      • 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
        €901
        27% off
        €1,240 €901
      • 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
        €917
        26% off
        €1,240 €917
      • SEA 1:00 PM
        17h 25m
        1 stop
        HEL 2:00 PM
        Seattle - Helsinki | Fri, Oct 16 | Normal Airline
        HEL 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Helsinki - Seattle | Sun, Oct 18 | Normal Airline
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      • SEA 3:55 PM
        31h 20m
        1 stop
        HEL 9:15 AM
        Seattle - Helsinki | Fri, Oct 16 | Scandinavian Airlines
        €343 €788
        56% off
        56% off
        €788 €343
      • SEA 6:10 PM
        18h 35m
        1 stop
        HEL 10:45 PM
        Seattle - Helsinki | Sat, Oct 17 | Condor Airlines
        €474 €788
        40% off
        40% off
        €788 €474
      • SEA 6:50 PM
        19h 5m
        1 stop
        HEL 10:55 PM
        Seattle - Helsinki | Sun, Nov 1 | Condor Airlines
        €487 €788
        38% off
        38% off
        €788 €487
      • SEA 8:05 PM
        37h 5m
        1 stop
        HEL 6:10 PM
        Seattle - Helsinki | Sun, Nov 1 | Turkish Airlines
        €518
        34% off
        €788 €518
      • SEA 7:15 PM
        29h 55m
        1 stop
        HEL 11:10 AM
        Seattle - Helsinki | Sat, Oct 17 | Turkish Airlines
        €520
        34% off
        €788 €520
      • SEA 7:15 PM
        37h 30m
        1 stop
        HEL 6:45 PM
        Seattle - Helsinki | Fri, Oct 16 | Turkish Airlines
        €522
        34% off
        €788 €522
      • SEA 7:15 PM
        29h 55m
        1 stop
        HEL 11:10 AM
        Seattle - Helsinki | Sun, Oct 18 | Turkish Airlines
        €526
        33% off
        €788 €526
      • SEA 5:40 PM
        19h 5m
        1 stop
        HEL 10:45 PM
        Seattle - Helsinki | Fri, Oct 16 | Condor Airlines
        €537
        32% off
        €788 €537
      • SEA 7:15 PM
        29h 55m
        1 stop
        HEL 11:10 AM
        Seattle - Helsinki | Mon, Oct 19 | Turkish Airlines
        €574
        27% off
        €788 €574
      • SEA 6:50 PM
        14h 5m
        1 stop
        HEL 6:55 PM
        Seattle - Helsinki | Fri, Oct 16 | United Airlines
        €581
        26% off
        €788 €581
      • SEA 6:50 PM
        14h 5m
        1 stop
        HEL 6:55 PM
        Seattle - Helsinki | Fri, Oct 16 | Lufthansa
        €582
        26% off
        €788 €582
      • SEA 1:30 PM
        17h 10m
        1 stop
        HEL 4:40 PM
        Seattle - Helsinki | Fri, Oct 16 | Delta Air Lines
        €583
        26% off
        €788 €583
      • SEA 1:00 PM
        17h 25m
        1 stop
        HEL 2:00 PM
        Seattle - Helsinki | Fri, Oct 16 | 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 €283) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Icelandair
From €283
Scandinavian Airlines
From €343
Delta Air Lines
From €448
Condor Airlines
From €474
Turkish Airlines
From €518
Alaska Airlines
From €543
Air Canada
From €564
United Airlines
From €581
Lufthansa
From €582
Air France
From €591

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. AY4215

    Seattle Tacoma Intl. Airport

    11:49 AM

    SEA

    3h 1m

    Nonstop

    2:50 PM

    LAX

    S - - W - - S
    Search

  2. AY002

    Los Angeles Intl. Airport

    6:50 PM

    LAX

    10h 35m

    Nonstop

    3:25 PM

    HEL

    S M - W - F S

  3. DL142

    Seattle Tacoma Intl. Airport

    1:45 PM

    SEA

    9h 45m

    Nonstop

    8:30 AM

    AMS

    S M T W T F S
    Search

  4. DL9309

    Schiphol Airport

    2:20 PM

    AMS

    2h 20m

    Nonstop

    5:40 PM

    HEL

    S M T W T F S

  5. AF5597

    Seattle Tacoma Intl. Airport

    1:45 PM

    SEA

    9h 45m

    Nonstop

    8:30 AM

    AMS

    S M T W T F S
    Search

  6. AF3242

    Schiphol Airport

    2:20 PM

    AMS

    2h 20m

    Nonstop

    5:40 PM

    HEL

    S M T W T F S

  7. KL6032

    Seattle Tacoma Intl. Airport

    1:45 PM

    SEA

    9h 45m

    Nonstop

    8:30 AM

    AMS

    S M T W T F S
    Search

  8. KL1253

    Schiphol Airport

    2:20 PM

    AMS

    2h 20m

    Nonstop

    5:40 PM

    HEL

    S M T W T F S

  9. LH491

    Seattle Tacoma Intl. Airport

    2:10 PM

    SEA

    9h 45m

    Nonstop

    8:55 AM

    FRA

    S M T W T F S
    Search

  10. LH4118

    Frankfurt Intl. Airport

    1:30 PM

    FRA

    2h 30m

    Nonstop

    5:00 PM

    HEL

    S M T W T F S

  11. AA3234

    Seattle Tacoma Intl. Airport

    10:31 AM

    SEA

    4h 24m

    Nonstop

    4:55 PM

    ORD

    S M T W T F S
    Search

  12. AA8988

    O'Hare Intl. Airport

    9:30 PM

    ORD

    8h 45m

    Nonstop

    2:15 PM

    HEL

    S M T W T F S

  13. AS535

    Seattle Tacoma Intl. Airport

    10:13 AM

    SEA

    2h 55m

    Nonstop

    2:08 PM

    DEN

    S M T W T F S
    Search

  14. FI670

    Denver International Airport

    4:40 PM

    DEN

    7h 20m

    Nonstop

    6:00 AM

    KEF

    S M T W T F S

  15. FI342

    Reykjavik Keflavik Airport

    7:30 AM

    KEF

    3h 30m

    Nonstop

    2:00 PM

    HEL

    S M T W T F S

  16. BA048

    Seattle Tacoma Intl. Airport

    6:45 PM

    SEA

    9h 25m

    Nonstop

    12:10 PM

    LHR

    S M T W T F S
    Search

  17. BA6034

    Heathrow Airport

    6:10 PM

    LHR

    2h 50m

    Nonstop

    11:00 PM

    HEL

    S M T W T F S

  18. BA6822

    Seattle Tacoma Intl. Airport

    1:24 PM

    SEA

    4h 35m

    Nonstop

    7:59 PM

    ORD

    S M T W T F S
    Search

  19. BA6090

    O'Hare Intl. Airport

    9:30 PM

    ORD

    8h 45m

    Nonstop

    2:15 PM

    HEL

    S M T W T F S

  20. DL1358

    Seattle Tacoma Intl. Airport

    9:05 AM

    SEA

    2h 44m

    Nonstop

    12:49 PM

    DEN

    S M T W T F S
    Search

  21. FI670

    Denver International Airport

    4:40 PM

    DEN

    7h 20m

    Nonstop

    6:00 AM

    KEF

    S M T W T F S

  22. FI342

    Reykjavik Keflavik Airport

    7:30 AM

    KEF

    3h 30m

    Nonstop

    2:00 PM

    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 distance 7,681.91 km
Cheapest one-way ticket price €343
Cheapest return ticket price €650

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 49 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 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 €703 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 €343, and round-trip fares start from €650. The current lowest fare is a Scandinavian Airlines flight departing on Fri, Oct 16; 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 9 hours 43 minutes, and around 1 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 €677. Prices may vary depending on the departure date, airline, and availability.
  • Seattle Tacoma Intl. Airport to Helsinki Vantaa Airport operates around 2 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.

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

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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.