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Cheap flights from Portland to Finland 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 Finland 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 Finland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Finnair Logo
6:40 am - 10:45 am
PDX
-
HEL
18h 05m
1 stop
Finnair Logo
12:30 pm - 10:02 pm
HEL
-
PDX
18h 32m
1 stop
$485Finnair
Tue, Mar 3 - Mon, Mar 9
Lufthansa Logo
7:30 am - 11:35 pm
PDX
-
HEL
30h 05m
2 stops
Lufthansa Logo
6:55 am - 6:48 pm
HEL
-
PDX
20h 53m
2 stops
$488Lufthansa
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
5:00 am - 10:45 am
PDX
-
HEL
19h 45m
2 stops
American Airlines Logo
12:30 pm - 11:59 pm
HEL
-
PDX
20h 29m
2 stops
$489American Airlines
Tue, Mar 3 - Mon, Mar 9
United Airlines Logo
11:55 pm - 6:55 pm
PDX
-
HEL
33h 00m
2 stops
United Airlines Logo
6:35 am - 12:59 am
HEL
-
PDX
28h 24m
2 stops
$506United Airlines
Sat, May 2 - Wed, May 13
United Airlines Logo
5:30 am - 1:20 am
PDX
-
HEL
33h 50m
2 stops
United Airlines Logo
1:55 pm - 6:47 pm
HEL
-
PDX
37h 52m
2 stops
$513United Airlines
Thu, Mar 5 - Mon, Mar 9
KLM Logo
10:45 am - 1:05 pm
PDX
-
HEL
16h 20m
2 stops
KLM Logo
1:55 pm - 11:10 am
HEL
-
PDX
31h 15m
1 stop
$569KLM
Wed, Apr 29 - Wed, May 13
Lufthansa Logo
2:24 pm - 12:40 am
PDX
-
HEL
24h 16m
2 stops
Lufthansa Logo
6:35 am - 12:59 am
HEL
-
PDX
28h 24m
2 stops
$589Lufthansa
Sat, May 2 - Wed, May 13
Lufthansa Logo
3:40 pm - 11:35 pm
PDX
-
HEL
21h 55m
2 stops
Lufthansa Logo
6:50 am - 11:09 pm
HEL
-
PDX
25h 19m
2 stops
$605Lufthansa
Sat, Feb 28 - Sat, Mar 14
British Airways Logo
5:45 pm - 11:15 pm
PDX
-
HEL
19h 30m
2 stops
British Airways Logo
12:30 pm - 11:09 pm
HEL
-
PDX
19h 39m
1 stop
$619British Airways
Fri, Mar 6 - Mon, Mar 9
Lufthansa Logo
7:49 pm - 11:35 pm
PDX
-
HEL
18h 46m
2 stops
Lufthansa Logo
7:35 pm - 12:35 am
HEL
-
PDX
38h 00m
2 stops
$628Lufthansa
Sat, Mar 14 - Sun, Mar 22

United Airlines flights from Portland to Finland

Our best United Airlines deals on Portland to Finland flight tickets
United Airlines
May 2
PDX11:55 pmPortland
33h 00m
2 stops
HEL6:55 pmHelsinki-Vantaa
May 13
HEL6:35 amHelsinki-Vantaa
28h 24m
2 stops
PDX12:59 amPortland
$506
United Airlines
Mar 5
PDX5:30 amPortland
33h 50m
2 stops
HEL1:20 amHelsinki-Vantaa
Mar 9
HEL1:55 pmHelsinki-Vantaa
37h 52m
2 stops
PDX6:47 pmPortland
$513
United Airlines
Feb 5
PDX7:00 amPortland
20h 20m
2 stops
HEL1:20 pmHelsinki-Vantaa
Feb 7
HEL1:50 pmHelsinki-Vantaa
63h 05m
3 stops
PDX6:55 pmPortland
$2,897

KLM flights from Portland to Finland

Our best KLM deals on Portland to Finland flight tickets
KLM
Apr 29
PDX10:45 amPortland
16h 20m
2 stops
HEL1:05 pmHelsinki-Vantaa
May 13
HEL1:55 pmHelsinki-Vantaa
31h 15m
1 stop
PDX11:10 amPortland
$569
KLM
Feb 19
PDX11:35 amPortland
19h 50m
2 stops
HEL5:25 pmHelsinki-Vantaa
Feb 26
HEL6:20 pmHelsinki-Vantaa
27h 05m
1 stop
PDX11:25 amPortland
$696

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Finland 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 February 3, 2026.
Use the filters below to find and compare flights from Portland to Finland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 3/3

6:40 am-10:45 am

1 stop18h 05m

Helsinki-Vantaa

Mon 3/9

12:30 pm-10:02 pm

1 stop18h 32m

$485

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Fri 3/6

7:30 am-11:35 pm

2 stops30h 05m

Helsinki-Vantaa

Mon 3/9

6:55 am-6:48 pm

2 stops20h 53m

$488

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 3/3

5:00 am-10:45 am

2 stops19h 45m

Helsinki-Vantaa

Mon 3/9

12:30 pm-11:59 pm

2 stops20h 29m

$489

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 5/2

11:55 pm-6:55 pm

2 stops33h 00m

Helsinki-Vantaa

Wed 5/13

6:35 am-12:59 am

2 stops28h 24m

$506

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 3/5

5:30 am-1:20 am

2 stops33h 50m

Helsinki-Vantaa

Mon 3/9

1:55 pm-6:47 pm

2 stops37h 52m

$513

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 4/29

10:45 am-1:05 pm

2 stops16h 20m

Helsinki-Vantaa

Wed 5/13

1:55 pm-11:10 am

1 stop31h 15m

$569

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 5/2

2:24 pm-12:40 am

2 stops24h 16m

Helsinki-Vantaa

Wed 5/13

6:35 am-12:59 am

2 stops28h 24m

$589

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

3:40 pm-11:35 pm

2 stops21h 55m

Helsinki-Vantaa

Sat 3/14

6:50 am-11:09 pm

2 stops25h 19m

$605

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Fri 3/6

5:45 pm-11:15 pm

2 stops19h 30m

Helsinki-Vantaa

Mon 3/9

12:30 pm-11:09 pm

1 stop19h 39m

$619

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 3/14

7:49 pm-11:35 pm

2 stops18h 46m

Helsinki-Vantaa

Sun 3/22

7:35 pm-12:35 am

2 stops38h 00m

$628

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
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See travel insights to Finland from

How to get the cheapest flight ticket from Portland to Finland

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 Finland?

If you don’t want to visit Finland in January, then you should wait until October to fly from Portland, when ticket prices are also cheap, with an average price of $533.

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

You are more likely to see cheaper flights to Finland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Finland for around $800 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Finland from Portland for as low as $537 on momondo.

Can stopping save me money on Portland to Finland flights?

You could potentially save up to 56% on your flight if you consider stops on a Portland to Finland flight.

Cheap Portland to Finland flight deals and tips

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

Fastest flight time

15h 01m

Direct flights

None
The fastest flight from Portland to Finland takes 15h 01m
There are no direct flights from Portland to Finland. There are no popular flight routes from Portland to Finland.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Finland?

    Prices for flights from Portland Airport to Finland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Finland?

  • How old do you have to be to fly from Portland Airport to Finland?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Finland.

  • What documentation or ID do you need to fly to Finland?

    The travel and health documents you'll need for your trip to Finland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Finland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Finland

Compare and see reviews for airlines that fly from Portland to Finland with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $331Free CancellationRating
7.7
1,448 reviews
Search KLM flights
IcelandairPriceFrom $356Free CancellationRating
7.1
606 reviews
Search Icelandair flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
DeltaPriceFrom $485Free CancellationRating
7.9
8,138 reviews
Search Delta flights
FinnairPriceFrom $532Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
British AirwaysPriceFrom $709Free CancellationRating
6.7
7,712 reviews
Search British Airways flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Finland for you.

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

All flight searches from Portland to Finland on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Finland from Portland.

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

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

An easier way to manage your Finland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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