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$278+ Cheap flights from Portland (PDX) to Helsinki (HEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HEL
May 20 — May 271
Tue 5/20
Tue 5/27
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Helsinki-Vantaa are usually found in February or April, booked 24 days in advance, depart on a Tuesday or Friday and return on a Tuesday

Cheap flight deals from Portland to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Helsinki (HEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$378
(oojo)

One-way from

$278
(StudentUniverse)

Popular in

March

Cheapest in

February

Average price

$1,020
Provider with most accurate pricing for Portland-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Portland-Helsinki-Vantaa flights.
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From Portland to Helsinki-Vantaa
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One-way flight from Portland to Helsinki-Vantaa
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Highest demand for flights based on searches. 27% potential increase in price ($388 potential increase over avg. RT price).
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Cheapest flight prices on average. 20% potential price decrease ($176 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Portland to Helsinki

Cheapest flights from Portland to Helsinki
Explore the most affordable flight options available from Portland to Helsinki. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2025.

This oojo deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/103:20 pmPDX - HEL
1 stop12h 40mIcelandair
Wed 11/192:00 pmHEL - PDX
1 stop13h 00mIcelandair
Deal found 5/15$378
This Finnair deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:30 pmPDX - HEL
1 stop16h 50mMultiple Airlines
Tue 12/94:00 pmHEL - PDX
1 stop16h 19mMultiple Airlines
Deal found 5/15$431
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:55 amPDX - HEL
1 stop18h 50mAmerican Airlines
Wed 11/1912:30 pmHEL - PDX
2 stops20h 41mAmerican Airlines
Deal found 5/15$465
This KLM deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amPDX - HEL
2 stops20h 10mKLM
Tue 12/96:10 pmHEL - PDX
1 stop27h 15mKLM
Deal found 5/15$481
This Gurufare deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 amPDX - HEL
2 stops21h 20mBritish Airways
Wed 11/1912:30 pmHEL - PDX
1 stop20h 22mBritish Airways
Deal found 5/14$488
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 amPDX - HEL
2 stops19h 50mDelta
Wed 11/196:30 amHEL - PDX
2 stops21h 46mDelta
Deal found 5/15$497
This Air Canada deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:40 pmPDX - HEL
2 stops37h 15mAir Canada
Tue 10/216:10 amHEL - PDX
2 stops37h 11mAir Canada
Deal found 5/14$529
This United Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:30 amPDX - HEL
2 stops24h 25mUnited Airlines
Tue 9/236:10 amHEL - PDX
2 stops22h 36mUnited Airlines
Deal found 5/13$534
This Gurufare deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/229:47 amPDX - HEL
2 stops28h 03mLufthansa
Tue 10/71:35 pmHEL - PDX
2 stops41h 06mLufthansa
Deal found 5/14$594
This StudentUniverse deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:05 pmPDX - HEL
1 stop14h 55mFinnair
Sun 8/314:00 pmHEL - PDX
1 stop17h 39mFinnair
Deal found 5/14$615
This Scandinavian Airlines deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/71:00 pmPDX - HEL
3 stops21h 25mScandinavian Airlines
Tue 10/217:10 amHEL - PDX
3 stops26h 19mScandinavian Airlines
Deal found 5/14$902

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2025.
Use the filters below to find and compare flights from Portland to Helsinki that are best for you.

Fly from

Portland

Fly to

Helsinki

Route

Depart

Return

Price

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

3:20 pm-2:00 pm

1 stop12h 40m

Helsinki-Vantaa

Wed 11/19

2:00 pm-5:00 pm

1 stop13h 00m

$378

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

5:55 am-10:45 am

1 stop18h 50m

Helsinki-Vantaa

Wed 11/19

12:30 pm-11:11 pm

2 stops20h 41m

$465

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 10/7

8:01 am-10:45 am

1 stop16h 44m

Helsinki-Vantaa

Tue 10/21

12:35 pm-6:38 pm

1 stop16h 03m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

7:00 am-2:20 pm

2 stops21h 20m

Helsinki-Vantaa

Wed 11/19

12:30 pm-10:52 pm

1 stop20h 22m

$488

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

7:00 am-12:50 pm

2 stops19h 50m

Helsinki-Vantaa

Wed 11/19

6:30 am-6:16 pm

2 stops21h 46m

$497

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 9/10

8:30 am-4:40 pm

2 stops22h 10m

Helsinki-Vantaa

Wed 11/19

7:00 am-6:24 pm

2 stops21h 24m

$505

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 10/7

7:40 pm-6:55 pm

2 stops37h 15m

Helsinki-Vantaa

Tue 10/21

6:10 am-9:21 am

2 stops37h 11m

$529

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 9/9

8:30 am-6:55 pm

2 stops24h 25m

Helsinki-Vantaa

Tue 9/23

6:10 am-6:46 pm

2 stops22h 36m

$534

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 7/22

1:30 pm-5:40 pm

2 stops18h 10m

Helsinki-Vantaa

Tue 10/7

1:55 pm-11:20 am

1 stop31h 25m

$541

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 7/22

9:47 am-11:50 pm

2 stops28h 03m

Helsinki-Vantaa

Tue 10/7

1:35 pm-8:41 pm

2 stops41h 06m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 19 results
1
2

Compare providers for flights from Portland to Helsinki

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Helsinki in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Helsinki flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland-Helsinki flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland-Helsinki flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Helsinki flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Helsinki flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Helsinki

Have a flexible travel schedule? Discover the best time to fly to Helsinki from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Helsinki

How far ahead should I book a flight from Portland to Helsinki?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Helsinki. Price data was last updated on May 9, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Helsinki, you should look to book at least 24 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland to Helsinki?

Currently, November is the cheapest month in which you can book a flight from Portland to Helsinki (average of $444). Flying from Portland to Helsinki in June is currently the most expensive (average of $1,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to HEL?

Find hourly flight availability from Portland to Helsinki. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 15, 2025.

When flying from Portland to Helsinki, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 22% versus a flight in the evening.

What is the cheapest day to fly from Portland to Helsinki?

Use this chart to determine the cheapest time to fly round-trip from Portland to Helsinki. Price data was last updated on May 5, 2024.

Travelers seeking maximum savings on their Portland to Helsinki flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Helsinki by month

Plan your trip to Helsinki by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helsinki ranges from 1.2 - 2.8 inches per month. August is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Helsinki when rainfall is around 1.2 in.

Temperature in Helsinki by month

Plan your trip to Helsinki by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helsinki, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helsinki

Get insights into the airlines that provide service to Helsinki. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Helsinki. Reviews last updated May 15, 2025.
See what other customers who have flown with Alaska Airlines, Delta and KLM from Portland to Helsinki have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,344 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Finnair
7.6
Good
1,279 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,731 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Crew

8.5

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to Helsinki. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Portland to Helsinki round-trip?

    Currently priced at $378, Icelandair will fly you from Portland to Helsinki and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Finnair - these airlines can fly you to your destination from $465 and $481, respectively. Icelandair is currently priced 62% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Helsinki one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $278. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Portland to Helsinki for a low price.

  • Can I find deals for flights from Portland to Helsinki that include hotel bookings?

    Yes. In addition to deals on Portland to Helsinki flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Helsinki?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Helsinki.

  • Can I find deals for business class flights from Portland to Helsinki?

    Yes. Cheapflights offers flight deals from Portland to Helsinki by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Portland to Helsinki (average of $444). Flying from Portland to Helsinki in June is currently the most expensive (average of $1,084). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vantaa
Lahti

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Alternative routes for Portland to Helsinki

See prices for flight routes from nearby airports that may be better suited for you.
Eugene to Helsinki flights
Portland to Oulu flights
Portland to Kemi flights
Portland to Turku flights

Top 6 airlines flying from Portland to Helsinki

Discover the top 6 airlines that operate flights from Portland to Helsinki. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$436Average$1,029FlexibilityNo cancel feeOn-time76%
FinnairCheapest$486Average$866FlexibilityNo cancel feeOn-time76%
DeltaCheapest$529Average$1,304FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$581Average$821FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$601Average$1,068FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$662Average$735FlexibilityNo cancel feeOn-time70%

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