Which layover airport offers the lowest fares from Portland to Helsinki?

Flights via Dallas (DFW) offer the lowest average round-trip price of $532.

Which layover airport has the shortest connection time from Portland to Helsinki?

Reykjavik (KEF) has the shortest average layover time for this route: 1h 07m.

What airlines fly to Helsinki?

Icelandair, Finnair and KLM are the top three most popular airlines that fly to Helsinki from Portland according to our data. Icelandair is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Helsinki. Keep in mind that there are 6 different airlines that fly to Helsinki on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Portland to Helsinki?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 13m.

What is the cheapest airline that flies from Portland to Helsinki-Vantaa?

British Airways, American Airlines, and Delta are the most popular carriers operating from Portland to Helsinki-Vantaa

Which airport is the most popular layover for flights between Portland and Helsinki?

Reykjavik (KEF) was the most common stop: 46% of momondo users choosing 1-stop flights on this route connected there.

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

Prices for flights from Portland Airport to Helsinki-Vantaa Airport refresh daily.

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

The number of operators available for flights from Portland Airport to Helsinki-Vantaa Airport is 6 as of May 2026.

How old do you have to be to fly from Portland Airport 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 Portland Airport to Helsinki-Vantaa Airport.

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

The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$333 Cheap Flights from Portland to Helsinki in 2026

Q: What is the typical price of a round-trip flight between Portland and Helsinki?

Prices are currently high for flights on this route. Typical prices usually range from $726 to $621. The lowest price recently found on this route was $750.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland to Helsinki

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 6:55 pm

PDX

HEL

17h 25m

2 stops

7:35 pm - 12:02 am

HEL

PDX

37h 27m

2 stops

$750Multiple Airlines

Mon, Oct 12 - Mon, Oct 26

3:30 pm - 2:00 pm

PDX

HEL

12h 30m

1 stop

1:55 pm - 6:00 pm

HEL

PDX

13h 05m

1 stop

$755Icelandair

Mon, Oct 12 - Mon, Oct 26

1:28 pm - 2:15 pm

PDX

HEL

14h 47m

1 stop

12:30 pm - 11:13 pm

HEL

PDX

19h 43m

1 stop

$780American Airlines

Mon, Oct 12 - Mon, Oct 26

10:05 pm - 12:55 pm

PDX

HEL

28h 50m

2 stops

7:00 am - 11:10 am

HEL

PDX

14h 10m

1 stop

$783Delta

Sat, Sep 5 - Sat, Sep 19

10:05 pm - 12:55 pm

PDX

HEL

28h 50m

2 stops

1:55 pm - 11:10 am

HEL

PDX

31h 15m

1 stop

$786Delta

Sat, Sep 5 - Tue, Sep 15

11:42 am - 2:15 pm

PDX

HEL

16h 33m

1 stop

12:30 pm - 11:04 pm

HEL

PDX

19h 34m

2 stops

$788American Airlines

Mon, Oct 12 - Mon, Oct 26

7:05 pm - 11:20 pm

PDX

HEL

18h 15m

1 stop

7:10 am - 5:55 pm

HEL

PDX

20h 45m

1 stop

$796Icelandair

Fri, Sep 4 - Tue, Sep 15

3:30 pm - 2:00 pm

PDX

HEL

12h 30m

1 stop

3:00 pm - 5:55 pm

HEL

PDX

12h 55m

1 stop

$800Icelandair

Wed, Sep 16 - Fri, Sep 25

3:30 pm - 2:00 pm

PDX

HEL

12h 30m

1 stop

3:00 pm - 5:55 pm

HEL

PDX

12h 55m

1 stop

$801Icelandair

Thu, Sep 17 - Fri, Sep 25

11:15 pm - 12:30 am

PDX

HEL

39h 15m

2 stops

6:45 am - 9:31 am

HEL

PDX

36h 46m

2 stops

$805United Airlines

Sat, Sep 5 - Sun, Sep 20

KLM flights from Portland to Helsinki

Our best KLM deals on Portland to Helsinki flight tickets

KLM

Jul 13

PDX1:05 pmPortland

25h 20m

1 stop

HEL12:25 amHelsinki-Vantaa

Aug 11

HEL6:25 pmHelsinki-Vantaa

26h 45m

1 stop

PDX11:10 amPortland

$937

KLM

Sep 5

PDX1:05 pmPortland

14h 00m

1 stop

HEL1:05 pmHelsinki-Vantaa

Sep 13

HEL1:55 pmHelsinki-Vantaa

31h 15m

1 stop

PDX11:10 amPortland

$999

KLM

Aug 7

PDX1:05 pmPortland

25h 20m

1 stop

HEL12:25 amHelsinki-Vantaa

Aug 16

HEL6:25 pmHelsinki-Vantaa

26h 45m

1 stop

PDX11:10 amPortland

$1,027

Air France flights from Portland to Helsinki

Our best Air France deals on Portland to Helsinki flight tickets

Air France

Sep 5

PDX1:05 pmPortland

14h 00m

1 stop

HEL1:05 pmHelsinki-Vantaa

Sep 14

HEL6:25 pmHelsinki-Vantaa

26h 45m

1 stop

PDX11:10 amPortland

$939

Air France

Jul 22

PDX1:45 pmPortland

16h 55m

2 stops

HEL4:40 pmHelsinki-Vantaa

Jul 29

HEL7:00 amHelsinki-Vantaa

20h 35m

2 stops

PDX5:35 pmPortland

$946

Air France

Jul 22

PDX1:05 pmPortland

14h 00m

1 stop

HEL1:05 pmHelsinki-Vantaa

Jul 29

HEL7:00 amHelsinki-Vantaa

20h 35m

2 stops

PDX5:35 pmPortland

$947

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/12

3:30 pm-6:55 pm

2 stops17h 25m

Helsinki-Vantaa

Mon 10/26

7:35 pm-12:02 am

2 stops37h 27m

$750

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/12

3:30 pm-2:00 pm

1 stop12h 30m

Helsinki-Vantaa

Mon 10/26

1:55 pm-6:00 pm

1 stop13h 05m

$755

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/12

1:28 pm-2:15 pm

1 stop14h 47m

Helsinki-Vantaa

Mon 10/26

12:30 pm-11:13 pm

1 stop19h 43m

$780

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 9/5

10:05 pm-12:55 pm

2 stops28h 50m

Helsinki-Vantaa

Sat 9/19

7:00 am-11:10 am

1 stop14h 10m

$783

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 9/5

10:05 pm-12:55 pm

2 stops28h 50m

Helsinki-Vantaa

Tue 9/15

1:55 pm-11:10 am

1 stop31h 15m

$786

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/12

11:42 am-2:15 pm

1 stop16h 33m

Helsinki-Vantaa

Mon 10/26

12:30 pm-11:04 pm

2 stops19h 34m

$788

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Fri 9/4

7:05 pm-11:20 pm

1 stop18h 15m

Helsinki-Vantaa

Tue 9/15

7:10 am-5:55 pm

1 stop20h 45m

$796

Quickest round-trip

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/16

3:30 pm-2:00 pm

1 stop12h 30m

Helsinki-Vantaa

Fri 9/25

3:00 pm-5:55 pm

1 stop12h 55m

$800

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 9/17

3:30 pm-2:00 pm

1 stop12h 30m

Helsinki-Vantaa

Fri 9/25

3:00 pm-5:55 pm

1 stop12h 55m

$801

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 9/5

11:15 pm-12:30 am

2 stops39h 15m

Helsinki-Vantaa

Sun 9/20

6:45 am-9:31 am

2 stops36h 46m

$805

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland 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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Portland and Helsinki?

What is the cheapest month to fly to Helsinki?

The month of March is, on average, the cheapest month to fly to Helsinki from Portland, with most prices found around $408. If you aren’t able to travel during the month of March, then book flights to Helsinki from Portland during January instead. Flights to Helsinki in January, while not as cheap as those in March, still average around $483.

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

You are more likely to see cheaper flights to Helsinki from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around $710 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from Portland for as low as $486 on momondo.

Can stopping save me money on Portland to Helsinki flights?

You could potentially save up to 30% on your flight if you consider stops on a Portland to Helsinki flight.

When to book flights from Portland to Helsinki

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Helsinki according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland to Helsinki (PDX to HEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Helsinki

Fastest flight time	17h 25m
Direct flights	None

The fastest flight from Portland to Helsinki takes 17h 25m

There are no direct flights from Portland to Helsinki. There are no popular flight routes from Portland to Helsinki.

Search flight deals

Frequently asked questions about flying from Portland to Helsinki

How far is Portland to Helsinki-Vantaa by plane?
There are 4906.2 mi between Portland and Helsinki-Vantaa. A reasonable flight in good conditions will take 17h 25m.
When did momondo last update prices for flights from Portland Airport to Helsinki-Vantaa Airport?
Prices for flights from Portland Airport to Helsinki-Vantaa Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Helsinki-Vantaa Airport?
The number of operators available for flights from Portland Airport to Helsinki-Vantaa Airport is 6 as of May 2026.
How old do you have to be to fly from Portland Airport 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 Portland Airport to Helsinki-Vantaa Airport.
What documentation or ID do you need to fly to Helsinki-Vantaa Airport?
The required travel and health documents for your Helsinki-Vantaa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helsinki-Vantaa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Helsinki?
momondo data reveals that the most frequently booked airline on the route from Portland to Helsinki is Icelandair, representing 48% of all bookings. The subsequent popular airlines are Finnair at 15%, KLM at 11%, and American Airlines at 10%.

Best airlines flying from Portland to Helsinki

Compare and see reviews for airlines that fly from Portland to Helsinki with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $356	Free Cancellation	Rating 7.0 653 reviews	Search Icelandair flights
American Airlines	PriceFrom $481	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
Delta	PriceFrom $484	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
KLM	PriceFrom $484	Free Cancellation	Rating 7.8 1,513 reviews	Search KLM flights
United Airlines	PriceFrom $499	Free Cancellation	Rating 7.4 9,696 reviews	Search United Airlines flights
Finnair	PriceFrom $540	Free Cancellation	Rating 7.6 1,392 reviews	Search Finnair flights

Vantaa

Espoo

Lahti

Kotka

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helsinki from Portland.

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

momondo does allow users to show only those flights to Helsinki from Portland which offer a flexible booking policy as well as other useful filters and features.

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

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 Portland to Helsinki.

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

Of course. momondo tracks the price of Portland to Helsinki flights. All you need is a valid email address and we will do the rest; it is that quick and easy.