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Cheap flights from Washington to Helsinki from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Helsinki departing on 11/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
2:45 pm - 12:55 pmPDX-HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 5:00 pmHEL-PDX
13h 05m1 stop
$363Icelandair
Find Deal
Tue, Dec 9 - Wed, Dec 17
Icelandair Logo
2:45 pm - 12:55 pmPDX-HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 5:00 pmHEL-PDX
13h 05m1 stop
$387Icelandair
Find Deal
Mon, Dec 8 - Wed, Dec 17
Scandinavian Airlines Logo
2:04 pm - 8:20 pmSEA-HEL
20h 16m2 stops
Scandinavian Airlines Logo
7:15 am - 1:45 pmHEL-SEA
40h 30m2 stops
$436Scandinavian Airlines
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Fri, Feb 27 - Fri, May 22
Multiple Airlines Logo
11:13 pm - 10:45 amPDX-HEL
25h 32m1 stop
Multiple Airlines Logo
4:00 pm - 12:02 amHEL-PDX
18h 02m1 stop
$468Multiple Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 18
Multiple Airlines Logo
11:10 am - 4:25 pmPDX-HEL
19h 15m2 stops
Multiple Airlines Logo
7:00 am - 11:25 amHEL-PDX
14h 25m1 stop
$475Multiple Airlines
Find Deal
Mon, Feb 16 - Mon, Feb 23
Scandinavian Airlines Logo
7:10 am - 10:40 amSEA-HEL
41h 30m2 stops
Scandinavian Airlines Logo
9:15 pm - 1:45 pmHEL-SEA
50h 30m2 stops
$477Scandinavian Airlines
Find Deal
Fri, Feb 27 - Wed, May 20
Lufthansa Logo
7:00 am - 6:50 pmPDX-HEL
25h 50m2 stops
Lufthansa Logo
6:55 am - 6:30 pmHEL-PDX
21h 35m2 stops
$479Lufthansa
Find Deal
Wed, Jan 14 - Thu, Jan 22
KLM Logo
1:25 pm - 5:25 pmPDX-HEL
18h 00m1 stop
KLM Logo
6:20 pm - 11:25 amHEL-PDX
27h 05m1 stop
$480KLM
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Wed, Jan 14 - Thu, Jan 22
KLM Logo
1:30 pm - 5:25 pmPDX-HEL
17h 55m2 stops
KLM Logo
6:20 pm - 11:25 amHEL-PDX
27h 05m1 stop
$484KLM
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Wed, Jan 14 - Thu, Jan 22
Lufthansa Logo
1:14 pm - 4:40 pmPDX-HEL
17h 26m2 stops
Lufthansa Logo
12:45 pm - 12:41 amHEL-PDX
21h 56m2 stops
$508Lufthansa
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Mon, Dec 8 - Wed, Dec 17

Icelandair flights from State of Washington to Helsinki

Our best Icelandair deals on State of Washington to Helsinki flight tickets
Icelandair
Dec 9
PDX2:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 17
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
PDX5:00 pmPortland
$363
Find similar
Icelandair
Dec 8
PDX2:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 17
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
PDX5:00 pmPortland
$387
Find similar
Icelandair
Dec 11
PDX2:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Dec 17
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
PDX5:00 pmPortland
$390
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United Airlines flights from State of Washington to Helsinki

Our best United Airlines deals on State of Washington to Helsinki flight tickets
United Airlines
Dec 9
PDX4:02 pmPortland
16h 48m
2 stops
HEL6:50 pmHelsinki-Vantaa
Dec 15
HEL6:55 amHelsinki-Vantaa
27h 42m
3 stops
PDX12:37 amPortland
$493
Find similar
United Airlines
Jan 14
PDX1:24 pmPortland
19h 26m
3 stops
HEL6:50 pmHelsinki-Vantaa
Jan 22
HEL6:55 amHelsinki-Vantaa
27h 44m
2 stops
PDX12:39 amPortland
$494
Find similar
United Airlines
Dec 9
PDX4:02 pmPortland
16h 48m
2 stops
HEL6:50 pmHelsinki-Vantaa
Dec 17
HEL12:45 pmHelsinki-Vantaa
21h 56m
2 stops
PDX12:41 amPortland
$495
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Helsinki 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 November 6, 2025.
Use the filters below to find and compare flights from Washington to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 12/9

2:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Wed 12/17

1:55 pm-5:00 pm

1 stop13h 05m

$363

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 12/8

2:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Wed 12/17

1:55 pm-5:00 pm

1 stop13h 05m

$387

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

2:04 pm-8:20 pm

2 stops20h 16m

Helsinki-Vantaa

Fri 5/22

7:15 am-1:45 pm

2 stops40h 30m

$436

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 12/8

11:13 pm-10:45 am

1 stop25h 32m

Helsinki-Vantaa

Thu 12/18

4:00 pm-12:02 am

1 stop18h 02m

$468

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 2/16

11:10 am-4:25 pm

2 stops19h 15m

Helsinki-Vantaa

Mon 2/23

7:00 am-11:25 am

1 stop14h 25m

$475

SeattleHelsinki

SEA - HEL

SEAHEL

Seattle/Tacoma Intl

Fri 2/27

7:10 am-10:40 am

2 stops41h 30m

Helsinki-Vantaa

Wed 5/20

9:15 pm-1:45 pm

2 stops50h 30m

$477

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 1/14

7:00 am-6:50 pm

2 stops25h 50m

Helsinki-Vantaa

Thu 1/22

6:55 am-6:30 pm

2 stops21h 35m

$479

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 1/14

1:25 pm-5:25 pm

1 stop18h 00m

Helsinki-Vantaa

Thu 1/22

6:20 pm-11:25 am

1 stop27h 05m

$480

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 1/14

1:30 pm-5:25 pm

2 stops17h 55m

Helsinki-Vantaa

Thu 1/22

6:20 pm-11:25 am

1 stop27h 05m

$484

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 12/8

1:14 pm-4:40 pm

2 stops17h 26m

Helsinki-Vantaa

Wed 12/17

12:45 pm-12:41 am

2 stops21h 56m

$508

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 Helsinki from

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

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 Helsinki?

The month of January is, on average, the cheapest month to fly to Helsinki from State of Washington, with most prices found around $539. If you aren’t able to travel during the month of January, then book flights to Helsinki from State of Washington during October instead. Flights to Helsinki in October, while not as cheap as those in January, still average around $585.

What is the cheapest day to depart on your flight to Helsinki?

The cheapest day to depart on your flight to Helsinki is on a Sunday when prices can be found for as low as $912. This is often the case because there is less demand to fly during this day of the week. Flights from State of Washington to Helsinki on a Tuesday will generally be more expensive and average around $1,118. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Helsinki is in the morning. momondo users have found flights departing from State of Washington to Helsinki in the morning for as low as $788. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Helsinki, so prices are often more expensive at around $959 per ticket.

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

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

How far in advance should I book a flight to Helsinki?

You are more likely to see cheaper flights to Helsinki from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $823 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from State of Washington for as low as $582 on momondo.

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

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

You could potentially save up to 8% on your flight if you consider stops on a State of Washington to Helsinki flight.

Cheap State of Washington to Helsinki flight deals and tips

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

Best Price Found

$744

Direct flights

None
The best one-way flight to Helsinki from State of Washington in the past 72 hours is $744. The best round-trip flight deal from State of Washington to Helsinki found on momondo in the last 72 hours is $1,700.
There are no direct flights from State of Washington to Helsinki. There are no popular flight routes from State of Washington to Helsinki.
Search flight deals

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

    Prices for flights from Washington to Helsinki-Vantaa Airport were last updated today.

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

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

    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 Washington to Helsinki-Vantaa Airport.

  • What documentation or ID do you need to fly to Helsinki-Vantaa Airport?

    The necessary travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from State of Washington to Helsinki

Compare and see reviews for airlines that fly from State of Washington to Helsinki with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $322Free CancellationRating
7.4
1,564 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $431Free CancellationRating
7.1
572 reviews
Search Icelandair flights
DeltaPriceFrom $526Free CancellationRating
7.9
8,001 reviews
Search Delta flights
KLMPriceFrom $536Free CancellationRating
7.7
1,405 reviews
Search KLM flights
American AirlinesPriceFrom $601Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
FinnairPriceFrom $662Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
LufthansaPriceFrom $721Free CancellationRating
6.8
7,558 reviews
Search Lufthansa flights
British AirwaysPriceFrom $725Free CancellationRating
6.7
7,500 reviews
Search British Airways flights

Traveling to a place near Helsinki?

Book flights to Helsinki if you plan to visit one of these locations
Vantaa
Espoo
Lahti
Kotka

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Helsinki. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Helsinki from Washington with this policy.

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

momondo provides multiple filters to help you find the best flight to Helsinki from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Helsinki from Washington 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.

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