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Cheap flights from Portland to Helsinki from $365

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Helsinki departing on 3/14. 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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Find the cheapest flights from Portland to Helsinki

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:45 pm - 12:55 pm
PDX
-
HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 6:00 pm
HEL
-
PDX
13h 05m1 stop
$365Icelandair
Sat, Mar 14 - Sun, Mar 22
Icelandair Logo
3:45 pm - 12:55 pm
PDX
-
HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 6:00 pm
HEL
-
PDX
37h 05m1 stop
$423Icelandair
Sat, Mar 14 - Sun, Mar 22
Icelandair Logo
3:45 pm - 12:55 pm
PDX
-
HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 6:00 pm
HEL
-
PDX
13h 05m1 stop
$433Icelandair
Sat, Mar 14 - Wed, Mar 25
Lufthansa Logo
9:50 am - 6:50 pm
PDX
-
HEL
23h 00m2 stops
Lufthansa Logo
1:55 pm - 12:34 am
HEL
-
PDX
20h 39m2 stops
$478Lufthansa
Tue, Feb 17 - Wed, Feb 25
Lufthansa Logo
9:50 am - 6:50 pm
PDX
-
HEL
23h 00m2 stops
Lufthansa Logo
1:55 pm - 12:34 am
HEL
-
PDX
20h 39m2 stops
$479Lufthansa
Tue, Feb 17 - Wed, Feb 25
Multiple Airlines Logo
5:44 am - 10:45 am
PDX
-
HEL
19h 01m1 stop
Multiple Airlines Logo
12:45 pm - 11:44 pm
HEL
-
PDX
19h 59m1 stop
$483Multiple Airlines
Sat, Feb 28 - Sat, Mar 14
Lufthansa Logo
3:50 pm - 6:50 pm
PDX
-
HEL
41h 00m2 stops
Lufthansa Logo
6:50 am - 11:44 pm
HEL
-
PDX
26h 54m2 stops
$485Lufthansa
Sun, Mar 1 - Sun, Mar 8
Multiple Airlines Logo
11:15 am - 4:25 pm
PDX
-
HEL
19h 10m2 stops
Multiple Airlines Logo
7:00 am - 11:25 am
HEL
-
PDX
14h 25m1 stop
$487Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
American Airlines Logo
6:00 am - 10:45 am
PDX
-
HEL
18h 45m2 stops
American Airlines Logo
12:30 pm - 10:58 pm
HEL
-
PDX
20h 28m2 stops
$488American Airlines
Fri, Feb 6 - Wed, Feb 11
British Airways Logo
5:45 pm - 11:10 pm
PDX
-
HEL
19h 25m2 stops
British Airways Logo
12:30 pm - 11:07 pm
HEL
-
PDX
19h 37m1 stop
$489British Airways
Sun, Mar 1 - Sun, Mar 8

American Airlines flights from Portland to Helsinki

Our best American Airlines deals on Portland to Helsinki flight tickets
American Airlines
Feb 6
PDX6:00 amPortland
18h 45m
2 stops
HEL10:45 amHelsinki-Vantaa
Feb 11
HEL12:30 pmHelsinki-Vantaa
20h 28m
2 stops
PDX10:58 pmPortland
$488
Find similar
American Airlines
Feb 28
PDX11:59 pmPortland
24h 46m
1 stop
HEL10:45 amHelsinki-Vantaa
Mar 14
HEL12:30 pmHelsinki-Vantaa
21h 03m
2 stops
PDX12:33 amPortland
$708
Find similar
American Airlines
May 2
PDX11:59 pmPortland
24h 46m
1 stop
HEL10:45 amHelsinki-Vantaa
May 13
HEL4:25 pmHelsinki-Vantaa
17h 12m
1 stop
PDX11:37 pmPortland
$820
Find similar

KLM flights from Portland to Helsinki

Our best KLM deals on Portland to Helsinki flight tickets
KLM
Jan 14
PDX1:30 pmPortland
17h 55m
2 stops
HEL5:25 pmHelsinki-Vantaa
Jan 18
HEL7:00 amHelsinki-Vantaa
23h 25m
2 stops
PDX8:25 pmPortland
$503
Find similar
KLM
May 2
PDX11:10 amPortland
15h 55m
2 stops
HEL1:05 pmHelsinki-Vantaa
May 13
HEL6:25 pmHelsinki-Vantaa
26h 45m
1 stop
PDX11:10 amPortland
$542
Find similar
KLM
May 2
PDX11:10 amPortland
15h 55m
2 stops
HEL1:05 pmHelsinki-Vantaa
May 13
HEL7:00 amHelsinki-Vantaa
18h 58m
2 stops
PDX3:58 pmPortland
$552
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 December 17, 2025.
Use the filters below to find and compare flights from Portland to Helsinki that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 3/14

3:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Sun 3/22

1:55 pm-6:00 pm

1 stop13h 05m

$365

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 3/14

3:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Sun 3/22

1:55 pm-6:00 pm

1 stop37h 05m

$423

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 3/14

3:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Wed 3/25

1:55 pm-6:00 pm

1 stop13h 05m

$433

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 2/17

9:50 am-6:50 pm

2 stops23h 00m

Helsinki-Vantaa

Wed 2/25

1:55 pm-12:34 am

2 stops20h 39m

$478

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 2/17

9:50 am-6:50 pm

2 stops23h 00m

Helsinki-Vantaa

Wed 2/25

1:55 pm-12:34 am

2 stops20h 39m

$479

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

5:44 am-10:45 am

1 stop19h 01m

Helsinki-Vantaa

Sat 3/14

12:45 pm-11:44 pm

1 stop19h 59m

$483

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 3/1

3:50 pm-6:50 pm

2 stops41h 00m

Helsinki-Vantaa

Sun 3/8

6:50 am-11:44 pm

2 stops26h 54m

$485

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 2/17

11:15 am-4:25 pm

2 stops19h 10m

Helsinki-Vantaa

Wed 2/25

7:00 am-11:25 am

1 stop14h 25m

$487

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Fri 2/6

6:00 am-10:45 am

2 stops18h 45m

Helsinki-Vantaa

Wed 2/11

12:30 pm-10:58 pm

2 stops20h 28m

$488

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 3/1

5:45 pm-11:10 pm

2 stops19h 25m

Helsinki-Vantaa

Sun 3/8

12:30 pm-11:07 pm

1 stop19h 37m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Helsinki from

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

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 January is, on average, the cheapest month to fly to Helsinki from Portland, with most prices found around $484. If you aren’t able to travel during the month of January, then book flights to Helsinki from Portland during October instead. Flights to Helsinki in October, while not as cheap as those in January, still average around $533.

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 Tuesday when prices can be found for as low as $662. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to Helsinki on a Wednesday will generally be more expensive and average around $1,099. 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 at noon. momondo users have found flights departing from Portland to Helsinki at noon for as low as $889. 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 evening is when there is more demand to fly to Helsinki, so prices are often more expensive at around $1,135 per ticket.

How far in advance should I book a flight 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 $959 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 $516 on momondo.

Can stopping save me money on Portland to Helsinki flights?

You could potentially save up to 4% 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

12h 10m

Direct flights

None
The fastest flight from Portland to Helsinki takes 12h 10m
There are no direct flights from Portland to Helsinki. There are no popular flight routes from Portland to Helsinki.
Search flight deals

  • 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 12h 10m.

  • 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?

  • 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?

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
IcelandairPriceFrom $363Free CancellationRating
7.0
591 reviews
Search Icelandair flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
KLMPriceFrom $484Free CancellationRating
7.7
1,430 reviews
Search KLM flights
DeltaPriceFrom $485Free CancellationRating
7.9
8,008 reviews
Search Delta flights
FinnairPriceFrom $532Free CancellationRating
7.6
1,337 reviews
Search Finnair flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
British AirwaysPriceFrom $709Free CancellationRating
6.7
7,582 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 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.

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