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Cheap flights from Portland to Helsinki from $231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Helsinki departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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 10m
1 stop
Icelandair Logo
1:55 pm - 6:00 pm
HEL
-
PDX
13h 05m
1 stop
$365Icelandair
Mon, Mar 9 - Mon, Mar 23
American Airlines Logo
11:40 pm - 10:45 am
PDX
-
HEL
25h 05m
1 stop
American Airlines Logo
12:35 pm - 10:49 pm
HEL
-
PDX
20h 14m
1 stop
$484American Airlines
Sat, May 2 - Wed, May 13
United Airlines Logo
11:55 pm - 1:35 am
PDX
-
HEL
39h 40m
2 stops
United Airlines Logo
6:35 am - 12:35 pm
HEL
-
PDX
40h 00m
2 stops
$505United Airlines
Sat, May 2 - Wed, May 13
United Airlines Logo
7:30 am - 4:30 pm
PDX
-
HEL
23h 00m
2 stops
United Airlines Logo
6:55 am - 12:33 pm
HEL
-
PDX
38h 38m
2 stops
$512United Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
5:40 am - 10:45 am
PDX
-
HEL
20h 05m
1 stop
Multiple Airlines Logo
12:05 am - 4:55 pm
HEL
-
PDX
25h 50m
2 stops
$519Multiple Airlines
Mon, Mar 9 - Sun, Mar 22
Multiple Airlines Logo
6:28 am - 3:20 pm
PDX
-
HEL
23h 52m
1 stop
Multiple Airlines Logo
12:05 am - 4:55 pm
HEL
-
PDX
25h 50m
2 stops
$521Multiple Airlines
Thu, Mar 12 - Sun, Mar 22
American Airlines Logo
11:40 pm - 10:45 am
PDX
-
HEL
25h 05m
1 stop
American Airlines Logo
12:45 pm - 11:44 pm
HEL
-
PDX
19h 59m
1 stop
$525American Airlines
Sat, Feb 28 - Sat, Mar 14
American Airlines Logo
11:40 pm - 10:45 am
PDX
-
HEL
25h 05m
1 stop
American Airlines Logo
4:25 pm - 10:32 pm
HEL
-
PDX
16h 07m
1 stop
$558American Airlines
Sun, May 3 - Sat, May 9
United Airlines Logo
7:57 pm - 1:20 am
PDX
-
HEL
43h 23m
2 stops
United Airlines Logo
6:50 am - 11:09 pm
HEL
-
PDX
25h 19m
2 stops
$564United Airlines
Sat, Feb 28 - Sat, Mar 14
American Airlines Logo
11:40 pm - 10:45 am
PDX
-
HEL
25h 05m
1 stop
American Airlines Logo
12:35 pm - 11:33 pm
HEL
-
PDX
20h 58m
2 stops
$569American Airlines
Sun, May 3 - Sat, May 9

United Airlines flights from Portland to Helsinki

Our best United Airlines deals on Portland to Helsinki flight tickets
United Airlines
May 2
PDX11:55 pmPortland
39h 40m
2 stops
HEL1:35 amHelsinki-Vantaa
May 13
HEL6:35 amHelsinki-Vantaa
40h 00m
2 stops
PDX12:35 pmPortland
$505
United Airlines
Mar 5
PDX7:30 amPortland
23h 00m
2 stops
HEL4:30 pmHelsinki-Vantaa
Mar 9
HEL6:55 amHelsinki-Vantaa
38h 38m
2 stops
PDX12:33 pmPortland
$512
United Airlines
Feb 28
PDX7:57 pmPortland
43h 23m
2 stops
HEL1:20 amHelsinki-Vantaa
Mar 14
HEL6:50 amHelsinki-Vantaa
25h 19m
2 stops
PDX11:09 pmPortland
$564

Lufthansa flights from Portland to Helsinki

Our best Lufthansa deals on Portland to Helsinki flight tickets
Lufthansa
Mar 12
PDX7:49 pmPortland
18h 46m
2 stops
HEL11:35 pmHelsinki-Vantaa
Mar 23
HEL7:35 pmHelsinki-Vantaa
56h 12m
2 stops
PDX6:47 pmPortland
$574
Lufthansa
May 2
PDX2:24 pmPortland
24h 16m
2 stops
HEL12:40 amHelsinki-Vantaa
May 13
HEL6:35 amHelsinki-Vantaa
28h 24m
2 stops
PDX12:59 amPortland
$588

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 January 29, 2026.
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

Mon 3/9

3:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Mon 3/23

1:55 pm-6:00 pm

1 stop13h 05m

$365

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 5/2

11:40 pm-10:45 am

1 stop25h 05m

Helsinki-Vantaa

Wed 5/13

12:35 pm-10:49 pm

1 stop20h 14m

$484

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 5/2

11:55 pm-1:35 am

2 stops39h 40m

Helsinki-Vantaa

Wed 5/13

6:35 am-12:35 pm

2 stops40h 00m

$505

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 3/5

7:30 am-4:30 pm

2 stops23h 00m

Helsinki-Vantaa

Mon 3/9

6:55 am-12:33 pm

2 stops38h 38m

$512

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 3/9

5:40 am-10:45 am

1 stop20h 05m

Helsinki-Vantaa

Sun 3/22

12:05 am-4:55 pm

2 stops25h 50m

$519

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 3/12

6:28 am-3:20 pm

1 stop23h 52m

Helsinki-Vantaa

Sun 3/22

12:05 am-4:55 pm

2 stops25h 50m

$521

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

11:40 pm-10:45 am

1 stop25h 05m

Helsinki-Vantaa

Sat 3/14

12:45 pm-11:44 pm

1 stop19h 59m

$525

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 5/3

11:40 pm-10:45 am

1 stop25h 05m

Helsinki-Vantaa

Sat 5/9

4:25 pm-10:32 pm

1 stop16h 07m

$558

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

7:57 pm-1:20 am

2 stops43h 23m

Helsinki-Vantaa

Sat 3/14

6:50 am-11:09 pm

2 stops25h 19m

$564

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 5/3

11:40 pm-10:45 am

1 stop25h 05m

Helsinki-Vantaa

Sat 5/9

12:35 pm-11:33 pm

2 stops20h 58m

$569

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 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.

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 $797 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 $537 on momondo.

Can stopping save me money on Portland to Helsinki flights?

You could potentially save up to 56% 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
KLMPriceFrom $331Free CancellationRating
7.7
1,443 reviews
Search KLM flights
IcelandairPriceFrom $356Free CancellationRating
7.1
606 reviews
Search Icelandair flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
DeltaPriceFrom $485Free CancellationRating
7.9
8,127 reviews
Search Delta flights
FinnairPriceFrom $532Free CancellationRating
7.6
1,356 reviews
Search Finnair flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
British AirwaysPriceFrom $709Free CancellationRating
6.7
7,705 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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