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Cheap flights from Portland to Helsinki from $364

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 11/29. 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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Find the cheapest flights from Portland to Helsinki

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
$364Icelandair
Find Deal
Sat, Nov 29 - Fri, Dec 12
Icelandair Logo
3:45 pm - 12:55 pmPDX-HEL
12h 10m1 stop
Icelandair Logo
1:55 pm - 6:00 pmHEL-PDX
13h 05m1 stop
$418Icelandair
Find Deal
Sat, Mar 14 - Sun, Mar 22
Delta Logo
7:59 pm - 4:25 pmPDX-HEL
34h 26m2 stops
Delta Logo
2:05 pm - 11:25 amHEL-PDX
31h 20m1 stop
$478Delta
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Sun, Nov 9 - Tue, Nov 18
Delta Logo
7:59 pm - 4:25 pmPDX-HEL
34h 26m2 stops
Delta Logo
6:30 am - 10:41 pmHEL-PDX
26h 11m2 stops
$481Delta
Find Deal
Sun, Nov 9 - Tue, Nov 18
Delta Logo
7:59 pm - 4:25 pmPDX-HEL
34h 26m2 stops
Delta Logo
2:05 pm - 8:47 pmHEL-PDX
40h 42m2 stops
$482Delta
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Sun, Nov 9 - Mon, Nov 17
United Airlines Logo
6:00 am - 1:20 amPDX-HEL
33h 20m2 stops
United Airlines Logo
12:45 pm - 10:53 amHEL-PDX
32h 08m3 stops
$509United Airlines
Find Deal
Sun, Nov 9 - Tue, Nov 18
United Airlines Logo
1:40 pm - 6:50 pmPDX-HEL
43h 10m2 stops
United Airlines Logo
6:55 am - 10:16 pmHEL-PDX
24h 21m2 stops
$545United Airlines
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Sat, Feb 28 - Sat, Mar 14
American Airlines Logo
11:59 pm - 10:45 amPDX-HEL
25h 46m1 stop
American Airlines Logo
7:50 am - 4:55 pmHEL-PDX
18h 05m1 stop
$791American Airlines
Find Deal
Sat, Mar 14 - Sun, Mar 22
British Airways Logo
5:45 pm - 11:00 pmPDX-HEL
19h 15m1 stop
British Airways Logo
4:00 pm - 10:34 pmHEL-PDX
16h 34m1 stop
$1,042British Airways
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Sun, Nov 9 - Thu, Nov 20
American Airlines Logo
6:00 am - 3:20 pmPDX-HEL
23h 20m1 stop
American Airlines Logo
2:00 pm - 3:55 pmHEL-PDX
35h 55m1 stop
$1,233American Airlines
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Thu, Nov 20 - Thu, Nov 27

Air France flights from Portland to Helsinki

Our best Air France deals on Portland to Helsinki flight tickets
Air France
Feb 22
PDX1:25 pmPortland
18h 00m
1 stop
HEL5:25 pmHelsinki-Vantaa
Feb 28
HEL2:05 pmHelsinki-Vantaa
31h 20m
1 stop
PDX11:25 amPortland
$537
Find similar
Air France
Feb 28
PDX11:10 amPortland
19h 15m
2 stops
HEL4:25 pmHelsinki-Vantaa
Mar 14
HEL2:05 pmHelsinki-Vantaa
31h 20m
1 stop
PDX12:25 pmPortland
$575
Find similar
Air France
Feb 28
PDX11:10 amPortland
19h 15m
2 stops
HEL4:25 pmHelsinki-Vantaa
Mar 14
HEL2:05 pmHelsinki-Vantaa
31h 20m
1 stop
PDX12:25 pmPortland
$585
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Air Canada flights from Portland to Helsinki

Our best Air Canada deals on Portland to Helsinki flight tickets
Air Canada
Feb 22
PDX9:50 amPortland
20h 50m
2 stops
HEL4:40 pmHelsinki-Vantaa
Feb 28
HEL1:50 pmHelsinki-Vantaa
38h 40m
2 stops
PDX6:30 pmPortland
$564
Find similar
Air Canada
Feb 28
PDX7:00 pmPortland
32h 10m
3 stops
HEL1:10 pmHelsinki-Vantaa
Mar 14
HEL6:55 amHelsinki-Vantaa
35h 20m
3 stops
PDX9:15 amPortland
$785
Find similar
Air Canada
Feb 28
PDX7:00 amPortland
20h 05m
3 stops
HEL1:05 pmHelsinki-Vantaa
Mar 14
HEL1:50 pmHelsinki-Vantaa
28h 25m
3 stops
PDX9:15 amPortland
$1,167
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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 October 30, 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 11/29

2:45 pm-12:55 pm

1 stop12h 10m

Helsinki-Vantaa

Fri 12/12

1:55 pm-5:00 pm

1 stop13h 05m

$364

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

$418

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 11/9

7:59 pm-4:25 pm

2 stops34h 26m

Helsinki-Vantaa

Tue 11/18

2:05 pm-11:25 am

1 stop31h 20m

$478

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 11/9

7:59 pm-4:25 pm

2 stops34h 26m

Helsinki-Vantaa

Tue 11/18

6:30 am-10:41 pm

2 stops26h 11m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 11/9

7:59 pm-4:25 pm

2 stops34h 26m

Helsinki-Vantaa

Mon 11/17

2:05 pm-8:47 pm

2 stops40h 42m

$482

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 11/9

6:00 am-1:20 am

2 stops33h 20m

Helsinki-Vantaa

Tue 11/18

12:45 pm-10:53 am

3 stops32h 08m

$509

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

1:40 pm-6:50 pm

2 stops43h 10m

Helsinki-Vantaa

Sat 3/14

6:55 am-10:16 pm

2 stops24h 21m

$545

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 3/14

11:59 pm-10:45 am

1 stop25h 46m

Helsinki-Vantaa

Sun 3/22

7:50 am-4:55 pm

1 stop18h 05m

$791

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sun 11/9

5:45 pm-11:00 pm

1 stop19h 15m

Helsinki-Vantaa

Thu 11/20

4:00 pm-10:34 pm

1 stop16h 34m

$1,042

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 11/20

6:00 am-3:20 pm

1 stop23h 20m

Helsinki-Vantaa

Thu 11/27

2:00 pm-3:55 pm

1 stop35h 55m

$1,233

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 October is, on average, the cheapest month to fly to Helsinki from Portland, with most prices found around $507. If you aren’t able to travel during the month of October, then book flights to Helsinki from Portland during August instead. Flights to Helsinki in August, while not as cheap as those in October, still average around $555.

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 $589 on momondo.

Can stopping save me money on Portland to Helsinki flights?

You could potentially save up to 40% 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

Direct flights

None
There are no direct flights from Portland to Helsinki. There are no popular flight routes from Portland to Helsinki.
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  • 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 $400Free CancellationRating
7.1
562 reviews
Search Icelandair flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
FinnairPriceFrom $482Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
KLMPriceFrom $487Free CancellationRating
7.7
1,406 reviews
Search KLM flights
DeltaPriceFrom $529Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
7,487 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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