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Cheap flights from Helsinki to Washington from $459

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 Washington departing on 10/22. 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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0 bags

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Cheap round-trip flights

Multiple Airlines Logo
3:30 pm - 6:00 pmHEL-SEA
35h 30m3 stops
Multiple Airlines Logo
2:35 pm - 9:25 amSEA-HEL
32h 50m3 stops
$718Multiple Airlines
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Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:15 am - 6:00 pmHEL-SEA
20h 45m2 stops
Multiple Airlines Logo
2:35 pm - 8:40 pmSEA-HEL
20h 05m3 stops
$728Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Turkish Airlines Logo
12:30 pm - 5:05 pmHEL-SEA
38h 35m1 stop
Turkish Airlines Logo
7:00 pm - 6:05 pmSEA-HEL
37h 05m1 stop
$774Turkish Airlines
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Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
7:40 am - 8:50 pmHEL-PDX
23h 10m2 stops
Multiple Airlines Logo
10:40 am - 10:50 pmPDX-HEL
27h 10m2 stops
$788Multiple Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
Icelandair Logo
11:10 am - 5:00 pmHEL-SEA
15h 50m2 stops
Icelandair Logo
2:35 pm - 3:15 pmSEA-HEL
14h 40m2 stops
$792Icelandair
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Wed, Nov 26 - Wed, Dec 3
Icelandair Logo
11:10 am - 5:00 pmHEL-SEA
15h 50m2 stops
Icelandair Logo
8:37 am - 12:55 pmSEA-HEL
18h 18m2 stops
$799Icelandair
Find Deal
Wed, Nov 5 - Wed, Nov 12
Turkish Airlines Logo
7:35 pm - 6:05 pmHEL-SEA
32h 30m1 stop
Turkish Airlines Logo
7:00 pm - 6:05 pmSEA-HEL
37h 05m1 stop
$817Turkish Airlines
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Sat, Oct 25 - Sun, Nov 2
Delta Logo
7:00 am - 11:45 amHEL-SEA
14h 45m1 stop
Delta Logo
11:50 am - 4:25 pmSEA-HEL
18h 35m2 stops
$846Delta
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Thu, Nov 27 - Thu, Dec 4
Delta Logo
7:00 am - 11:45 amHEL-SEA
14h 45m1 stop
Delta Logo
2:05 pm - 4:25 pmSEA-HEL
16h 20m1 stop
$847Delta
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Thu, Nov 27 - Fri, Feb 27
Finnair Logo
11:05 am - 5:35 pmHEL-PDX
16h 30m1 stop
Finnair Logo
2:45 pm - 3:20 pmPDX-HEL
15h 35m1 stop
$1,058Finnair
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Thu, Oct 23 - Tue, Oct 28

Turkish Airlines flights from Helsinki to State of Washington

Our best Turkish Airlines deals on Helsinki to State of Washington flight tickets
Turkish Airlines
Sep 22
HEL7:35 pmHelsinki-Vantaa
25h 00m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Oct 6
SEA7:10 pmSeattle/Tacoma Intl
37h 30m
1 stop
HEL6:40 pmHelsinki-Vantaa
$758
Find similar
Turkish Airlines
Sep 26
HEL7:35 pmHelsinki-Vantaa
25h 00m
1 stop
SEA10:35 amSeattle/Tacoma Intl
Oct 11
SEA7:10 pmSeattle/Tacoma Intl
37h 30m
1 stop
HEL6:40 pmHelsinki-Vantaa
$773
Find similar
Turkish Airlines
Nov 26
HEL12:30 pmHelsinki-Vantaa
38h 35m
1 stop
SEA5:05 pmSeattle/Tacoma Intl
Dec 3
SEA7:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
HEL6:05 pmHelsinki-Vantaa
$774
Find similar

Icelandair flights from Helsinki to State of Washington

Our best Icelandair deals on Helsinki to State of Washington flight tickets
Icelandair
Nov 26
HEL11:10 amHelsinki-Vantaa
15h 50m
2 stops
SEA5:00 pmSeattle/Tacoma Intl
Dec 3
SEA2:35 pmSeattle/Tacoma Intl
14h 40m
2 stops
HEL3:15 pmHelsinki-Vantaa
$792
Find similar
Icelandair
Nov 5
HEL11:10 amHelsinki-Vantaa
15h 50m
2 stops
SEA5:00 pmSeattle/Tacoma Intl
Nov 12
SEA8:37 amSeattle/Tacoma Intl
18h 18m
2 stops
HEL12:55 pmHelsinki-Vantaa
$799
Find similar
Icelandair
Oct 29
HEL11:10 amHelsinki-Vantaa
15h 50m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
Nov 5
SEA8:15 pmSeattle/Tacoma Intl
30h 40m
2 stops
HEL12:55 pmHelsinki-Vantaa
$805
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to State of Washington 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Helsinki to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 10/30

3:30 pm-6:00 pm

3 stops35h 30m

Seattle/Tacoma Intl

Thu 11/6

2:35 pm-9:25 am

3 stops32h 50m

$718

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 10/30

6:15 am-6:00 pm

2 stops20h 45m

Seattle/Tacoma Intl

Thu 11/6

2:35 pm-8:40 pm

3 stops20h 05m

$728

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 11/26

12:30 pm-5:05 pm

1 stop38h 35m

Seattle/Tacoma Intl

Wed 12/3

7:00 pm-6:05 pm

1 stop37h 05m

$774

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 10/23

7:40 am-8:50 pm

2 stops23h 10m

Portland

Tue 10/28

10:40 am-10:50 pm

2 stops27h 10m

$788

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 11/26

11:10 am-5:00 pm

2 stops15h 50m

Seattle/Tacoma Intl

Wed 12/3

2:35 pm-3:15 pm

2 stops14h 40m

$792

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Wed 11/5

11:10 am-5:00 pm

2 stops15h 50m

Seattle/Tacoma Intl

Wed 11/12

8:37 am-12:55 pm

2 stops18h 18m

$799

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Sat 10/25

7:35 pm-6:05 pm

1 stop32h 30m

Seattle/Tacoma Intl

Sun 11/2

7:00 pm-6:05 pm

1 stop37h 05m

$817

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 11/27

7:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Thu 12/4

11:50 am-4:25 pm

2 stops18h 35m

$846

HelsinkiSeattle

HEL - SEA

HELSEA

Helsinki-Vantaa

Thu 11/27

7:00 am-11:45 am

1 stop14h 45m

Seattle/Tacoma Intl

Fri 2/27

2:05 pm-4:25 pm

1 stop16h 20m

$847

HelsinkiPortland

HEL - PDX

HELPDX

Helsinki-Vantaa

Thu 10/23

11:05 am-5:35 pm

1 stop16h 30m

Portland

Tue 10/28

2:45 pm-3:20 pm

1 stop15h 35m

$1,058

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

How to get the cheapest flight ticket from Helsinki to State of Washington

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 cheapest month to fly to State of Washington?

The month of March is, on average, the cheapest month to fly to State of Washington from Helsinki, with most prices found around $733. If you aren’t able to travel to State of Washington during the month of March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $762.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Helsinki to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $862. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to State of Washington for around $1,051.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $761. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $948 on average. Flights to State of Washington from Helsinki in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Helsinki-Vantaa to Washington flight route?

Fly from Helsinki-Vantaa to Seattle/Tacoma Intl for the best Helsinki-Vantaa - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $845 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Helsinki for as low as $740 on momondo.

What cabin class options are available on Helsinki-Vantaa to Washington flights?

There are 3 cabin classes available to choose from on Helsinki-Vantaa to Washington 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 State of Washington flights?

You could potentially save up to 21% on your flight if you consider stops on a Helsinki to State of Washington flight.

Cheap Helsinki to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helsinki to State of Washington

Direct flights

None
There are no direct flights from Helsinki to State of Washington. There are no popular flight routes from Helsinki to State of Washington.
Search flight deals

  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Washington?

    Prices for flights from Helsinki-Vantaa Airport to Washington are refreshed on a daily basis.

  • How many operators does momondo search for flights from Helsinki-Vantaa Airport to Washington?

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Washington?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Helsinki-Vantaa Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Helsinki to State of Washington?

Best airlines flying from Helsinki to State of Washington

Compare and see reviews for airlines that fly from Helsinki to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $504Free CancellationRating
7.0
545 reviews
Search Icelandair flights
FinnairPriceFrom $595Free CancellationRating
7.6
1,324 reviews
Search Finnair flights

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Washington?

It is quick and easy to find Helsinki to Washington flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington that suits you.

Can I find flights from Helsinki to Washington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Helsinki to Washington flights to just show those with flexible booking policies.

How can momondo help me find flights from Helsinki to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Helsinki to Washington.

I’m not ready to book a flight from Helsinki to Washington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Helsinki to Washington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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