$257+ Cheap flights from Seattle (SEA) to Finland
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HEL
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Finland with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Last-minute
One-way
Cheapest flights from Seattle to FinlandExplore the most affordable flight options available from Seattle to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
Explore the most affordable flight options available from Seattle to Finland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2026.
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:45 am -
3 stops28h 40m
Tue 11/177:50 pm -
2 stops27h 10m
Deal found 9/26![Multiple Airlines logo]()
$540
This Mytrip deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:35 pm -
2 stops21h 50m
Wed 11/187:20 am -
2 stops19h 40m
Deal found 9/27![Multiple Airlines logo]()
$575
This oojo deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 pm -
1 stop33h 00m
Thu 10/153:00 pm -
1 stop15h 40m
Deal found 9/24![Icelandair logo]()
$700
This Cheapflightsfares deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
1 stop12h 25m
Fri 12/112:00 pm -
1 stop13h 00m
Deal found 9/24![Icelandair logo]()
$711
This FlightHub deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:35 pm -
1 stop12h 25m
Thu 12/102:00 pm -
1 stop13h 00m
Deal found 9/24![Icelandair logo]()
$725
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:50 pm -
3 stops33h 15m
Wed 11/256:15 am -
2 stops16h 45m
Deal found 9/25![Multiple Airlines logo]()
$727
This Icelandair deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
1 stop21h 20m
Thu 10/153:00 pm -
1 stop12h 55m
Deal found 9/23![Icelandair logo]()
$733
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop12h 25m
Fri 12/112:00 pm -
1 stop13h 00m
Deal found 9/24![Icelandair logo]()
$740
This Icelandair deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
1 stop12h 25m
Thu 12/102:00 pm -
1 stop13h 00m
Deal found 9/24![Icelandair logo]()
$748
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops34h 30m
Sat 11/710:05 pm -
1 stop28h 55m
Deal found 9/24![Multiple Airlines logo]()
$1,059
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
3 stops34h 40m
Mon 11/211:20 pm -
2 stops27h 40m
Deal found 9/28![Multiple Airlines logo]()
$1,080
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:35 pm -
3 stops17h 10m
Wed 12/95:30 pm -
3 stops33h 30m
Deal found 9/28![Multiple Airlines logo]()
$1,081
Best flights from Seattle to FinlandDiscover carefully curated flight deals from Seattle to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
Discover carefully curated flight deals from Seattle to Finland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 29, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2710:39 am -
3 stops20h 16m
Thu 12/36:15 am -
2 stops25h 50m
Deal found 9/27![Scandinavian Airlines logo]()
$847
This Icelandair deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
1 stop21h 20m
Thu 10/153:00 pm -
1 stop12h 55m
Deal found 9/27![Icelandair logo]()
$872
This Turkish Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:05 pm -
1 stop37h 05m
Wed 11/2512:15 pm -
1 stop38h 55m
Deal found 9/25![Turkish Airlines logo]()
$881
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops34h 30m
Sat 11/710:05 pm -
1 stop28h 55m
Deal found 9/24![Multiple Airlines logo]()
$1,059
This Air France deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:39 am -
2 stops18h 46m
Wed 12/93:55 pm -
2 stops35h 04m
Deal found 9/28![Air France logo]()
$1,235
This Scandinavian Airlines deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1011:00 am -
2 stops28h 35m
Sun 12/1311:15 am -
2 stops21h 40m
Deal found 9/24![Scandinavian Airlines logo]()
$865
This oojo deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:35 pm -
1 stop12h 25m
Fri 11/207:25 am -
2 stops19h 35m
Deal found 9/28![Icelandair logo]()
$875
This oojo deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:39 am -
2 stops18h 46m
Fri 11/206:15 am -
2 stops26h 40m
Deal found 9/28![Scandinavian Airlines logo]()
$869
This Scandinavian Airlines deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:39 am -
2 stops18h 46m
Mon 11/167:00 am -
3 stops23h 13m
Deal found 9/25![Scandinavian Airlines logo]()
$875
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
3 stops34h 40m
Mon 11/211:20 pm -
2 stops27h 40m
Deal found 9/28![Multiple Airlines logo]()
$1,080
This Scandinavian Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:31 pm -
2 stops21h 49m
Tue 11/177:00 am -
3 stops23h 13m
Deal found 9/28![Scandinavian Airlines logo]()
$887
Last-minute flights from Seattle to FinlandDiscover last-minute flight deals from Seattle to Finland. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Finland. Data last updated September 29, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:40 pm -
2 stops17h 35m
Sat 10/39:10 pm -
2 stops30h 00m
Deal found 9/27![Multiple Airlines logo]()
$1,731
This Cheapflightsfares deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:15 am -
2 stops22h 05m
Wed 10/146:10 am -
2 stops26h 54m
Deal found 9/24![Scandinavian Airlines logo]()
$827
This oojo deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:00 pm -
1 stop33h 00m
Thu 10/153:00 pm -
1 stop15h 40m
Deal found 9/24![Icelandair logo]()
$700
This Icelandair deal was found by Cheapflights users on 9/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
1 stop21h 20m
Thu 10/153:00 pm -
1 stop12h 55m
Deal found 9/23![Icelandair logo]()
$733
This Cheapflightsfares deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:40 pm -
1 stop21h 20m
Fri 10/163:00 pm -
1 stop15h 40m
Deal found 9/28![Icelandair logo]()
$828
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/122:10 pm -
3 stops32h 10m
Sun 10/259:05 pm -
2 stops24h 55m
Deal found 9/25![Multiple Airlines logo]()
$753
This Mytrip deal was found by Cheapflights users on 9/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:40 pm -
2 stops21h 30m
Fri 10/303:25 pm -
3 stops35h 35m
Deal found 9/25![Multiple Airlines logo]()
$799
This Mytrip deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/247:10 pm -
3 stops28h 40m
Sat 10/315:30 am -
3 stops21h 30m
Deal found 9/24![Multiple Airlines logo]()
$819
This Mytrip deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected ” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm -
3 stops34h 40m
Mon 11/211:20 pm -
2 stops27h 40m
Deal found 9/28![Multiple Airlines logo]()
$1,080
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops34h 30m
Sat 11/710:05 pm -
1 stop28h 55m
Deal found 9/24![Multiple Airlines logo]()
$1,059
One-way flights from Seattle to FinlandSearch for one-way flight options from Seattle to Finland. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
Search for one-way flight options from Seattle to Finland. Find affordable one-way fares based on user searches. Data last updated September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:55 pm -
2 stops55h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 pm -
3 stops42h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:55 pm -
1 stop32h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Scandinavian Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:55 pm -
3 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Scandinavian Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:35 pm -
3 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 9/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 pm -
2 stops20h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/24![Multiple Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/293:35 pm -
2 stops14h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$340
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/162:35 pm -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$359
This Mytrip deal was found by Cheapflights users on 9/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/72:35 pm -
2 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:30 pm -
3 stops42h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$522
Find flight deals from Seattle to Finland
Keep the following information in mind while searching for Seattle to Finland flight deals. Data was last updated September 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $540 (Mytrip) |
One-way from | $257 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $743 |
Good round-trip deal | $912 or less |
Good one-way deal | $1,794 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Finland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 29, 2026.
Use the filters below to find and compare flights from Seattle to Finland that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Sat 10/10
3:55 pm-10:35 am
1 stop32h 40m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$317
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Sat 10/10
7:00 pm-10:35 am
2 stops29h 35m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$335
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Mon 10/5
7:00 pm-9:15 am
2 stops28h 15m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$344
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Sun 10/25
7:10 pm-8:20 am
3 stops28h 10m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$371
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Wed 12/2
2:50 pm-10:25 pm
2 stops21h 35m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$391
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Thu 1/21
2:35 pm-12:20 pm
2 stops35h 45m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$414
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Mon 11/16
2:35 pm-12:40 am
3 stops24h 05m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$418
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Sat 11/14
2:35 pm-8:50 am
2 stops32h 15m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$424
Quickest round-trip
SeattleHelsinki
SEA Seattle/Tacoma Intl - HEL Helsinki-Vantaa
SEAHEL
Seattle/Tacoma Intl
Tue 12/1
2:35 pm-7:25 pm
3 stops18h 50m
Helsinki-Vantaa
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$425
SeattleRovaniemi
SEA Seattle/Tacoma Intl - RVN Rovaniemi
SEARVN
Seattle/Tacoma Intl
Sat 11/21
6:30 pm-10:45 pm
3 stops42h 15m
Rovaniemi
Wed 12/31
12:00 am-2:00 pm
Nonstop0h 00m
$522
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Seattle to Finland
Have a flexible travel schedule? Discover the best time to fly to Finland from Seattle with our price prediction graph.
SEA-HEL
SEA-RVN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Finland
SEA-FI0
SEA-HEL
SEA-RVN
What is the cheapest month to book a flight from Seattle to Finland?
Currently, January is the cheapest month in which you can book a flight from Seattle to Finland (average of $543). Flying from Seattle to Finland in June is currently the most expensive (average of $1,178). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to FI?
Find hourly flight availability from Seattle to Finland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Finland as you normally would.
How far ahead should I book a flight from Seattle to Finland?
To ensure you get the cheapest price possible for a flight from Seattle to Finland, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Reviews of airlines servicing Finland
Get insights into the airlines that provide service to Finland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Finland. Reviews last updated September 29, 2026.
See what other customers who have flown with Delta,Finnair, andScandinavian Airlines from Seattle to Finland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Comfort
7.8
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Seattle to Finland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Seattle and Finland flights
Browse other Seattle and Finland flight options. Last updated on September 29, 2026.
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Top 4 airlines flying from Seattle to Finland
Discover the top 4 airlines that operate flights from Seattle to Finland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$353 | Average$571 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$528 | Average$916 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$731 | Average$1,069 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$845 | Average$1,188 | FlexibilityNo cancel fee | On-time76% |