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Cheap flights from Portland to Finland 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 Finland 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 Finland

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
American Airlines Logo
7:00 am - 10:45 am
PDX
-
HEL
17h 45m2 stops
American Airlines Logo
12:30 pm - 10:00 pm
HEL
-
PDX
19h 30m2 stops
$488American Airlines
Tue, Feb 17 - Wed, Feb 25
Delta Logo
7:00 am - 5:25 pm
PDX
-
HEL
24h 25m2 stops
Delta Logo
7:00 am - 6:50 pm
HEL
-
PDX
21h 50m2 stops
$503Delta
Sat, Jan 31 - Sat, Feb 7
British Airways Logo
5:45 pm - 4:20 pm
PDX
-
OUL
36h 35m2 stops
British Airways Logo
5:35 am - 9:45 pm
OUL
-
PDX
26h 10m2 stops
$1,058British Airways
Wed, Feb 11 - Sun, Feb 15
Finnair Logo
5:45 pm - 1:05 am
PDX
-
OUL
21h 20m2 stops
Finnair Logo
5:35 am - 10:00 pm
OUL
-
PDX
26h 25m2 stops
$1,078Finnair
Wed, Feb 11 - Sun, Feb 15
Finnair Logo
5:45 pm - 8:00 pm
PDX
-
KEM
40h 15m2 stops
Finnair Logo
4:05 pm - 3:55 pm
KEM
-
PDX
33h 50m2 stops
$1,095Finnair
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
7:30 pm - 1:35 pm
PDX
-
RVN
32h 05m2 stops
British Airways Logo
9:00 am - 5:40 pm
RVN
-
PDX
42h 40m2 stops
$1,486British Airways
Mon, Jun 1 - Mon, Jun 15
Delta Logo
7:00 am - 3:25 pm
PDX
-
RVN
22h 25m2 stops
Delta Logo
5:10 pm - 11:25 am
RVN
-
PDX
28h 15m1 stop
$18,351Delta
Fri, Jan 23 - Tue, Jan 27

Icelandair flights from Portland to Finland

Our best Icelandair deals on Portland to Finland flight tickets
Icelandair
Mar 14
PDX3:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 22
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
PDX6:00 pmPortland
$365
Find similar
Icelandair
Mar 14
PDX3:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 22
HEL1:55 pmHelsinki-Vantaa
37h 05m
1 stop
PDX6:00 pmPortland
$423
Find similar
Icelandair
Mar 14
PDX3:45 pmPortland
12h 10m
1 stop
HEL12:55 pmHelsinki-Vantaa
Mar 25
HEL1:55 pmHelsinki-Vantaa
13h 05m
1 stop
PDX6:00 pmPortland
$433
Find similar

Finnair flights from Portland to Finland

Our best Finnair deals on Portland to Finland flight tickets
Finnair
May 2
PDX6:30 amPortland
21h 45m
1 stop
HEL2:15 pmHelsinki-Vantaa
May 13
HEL4:05 pmHelsinki-Vantaa
16h 26m
1 stop
PDX10:31 pmPortland
$533
Find similar
Finnair
Jan 14
PDX7:38 amPortland
17h 07m
1 stop
HEL10:45 amHelsinki-Vantaa
Jan 18
HEL4:00 pmHelsinki-Vantaa
16h 38m
1 stop
PDX10:38 pmPortland
$718
Find similar
Finnair
Jan 14
PDX7:38 amPortland
17h 07m
1 stop
HEL10:45 amHelsinki-Vantaa
Jan 18
HEL4:00 pmHelsinki-Vantaa
16h 38m
1 stop
PDX10:38 pmPortland
$928
Find similar

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 December 18, 2025.
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

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

7:00 am-10:45 am

2 stops17h 45m

Helsinki-Vantaa

Wed 2/25

12:30 pm-10:00 pm

2 stops19h 30m

$488

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 1/31

7:00 am-5:25 pm

2 stops24h 25m

Helsinki-Vantaa

Sat 2/7

7:00 am-6:50 pm

2 stops21h 50m

$503

PortlandOulu

PDX - OUL

PDXOUL

Portland

Wed 2/11

5:45 pm-4:20 pm

2 stops36h 35m

Oulu

Sun 2/15

5:35 am-9:45 pm

2 stops26h 10m

$1,058

PortlandOulu

PDX - OUL

PDXOUL

Portland

Wed 2/11

5:45 pm-1:05 am

2 stops21h 20m

Oulu

Sun 2/15

5:35 am-10:00 pm

2 stops26h 25m

$1,078

PortlandKemi

PDX - KEM

PDXKEM

Portland

Wed 2/11

5:45 pm-8:00 pm

2 stops40h 15m

Kemi/Tornio

Sun 2/15

4:05 pm-3:55 pm

2 stops33h 50m

$1,095

PortlandRovaniemi

PDX - RVN

PDXRVN

Portland

Mon 6/1

7:30 pm-1:35 pm

2 stops32h 05m

Rovaniemi

Mon 6/15

9:00 am-5:40 pm

2 stops42h 40m

$1,486

PortlandRovaniemi

PDX - RVN

PDXRVN

Portland

Fri 1/23

7:00 am-3:25 pm

2 stops22h 25m

Rovaniemi

Tue 1/27

5:10 pm-11:25 am

1 stop28h 15m

$18,351

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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.

What is the cheapest day to depart on your flight to Finland?

The cheapest day to depart from Portland to Finland is on a Tuesday. Travelers who choose to depart for Finland on a Tuesday will often find tickets for as low as $662. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Finland on Wednesday is $1,099.

What is the cheapest time of day to depart on your flight to Finland?

The cheapest time of day to fly to Finland is at noon when flights can be purchased for as low as $889. In contrast, the most expensive time of day to depart to Finland is in the evening when prices are around $1,135.

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 $959 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 $516 on momondo.

Can stopping save me money on Portland to Finland flights?

You could potentially save up to 4% 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

12h 10m

Direct flights

None
The fastest flight from Portland to Finland takes 12h 10m
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
IcelandairPriceFrom $363Free CancellationRating
7.0
591 reviews
Search Icelandair flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
KLMPriceFrom $484Free CancellationRating
7.7
1,428 reviews
Search KLM flights
DeltaPriceFrom $485Free CancellationRating
7.9
8,005 reviews
Search Delta flights
FinnairPriceFrom $532Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
British AirwaysPriceFrom $709Free CancellationRating
6.7
7,585 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.

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