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$368+ Cheap flights from Portland (PDX) to Helsinki (HEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HEL
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Helsinki-Vantaa are usually found in October or August, booked 48 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$368
(FlightHub)

Popular in

March

Cheapest in

October

Average price

$507
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
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($347 potential increase over avg. RT price).
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Cheapest flight prices on average. 18% potential price decrease ($153 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 27, 2025.

This FlightHub deal was found by Cheapflights users on 10/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:45 pmPDX - HEL
1 stop12h 10mIcelandair
Sun 12/71:55 pmHEL - PDX
1 stop13h 05mIcelandair
Deal found 10/25$368
This Delta deal was found by Cheapflights users on 10/25. 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.
Tue 12/95:30 amPDX - HEL
2 stops24h 55mDelta
Tue 12/167:00 amHEL - PDX
2 stops20h 43mDelta
Deal found 10/25$482
This KLM deal was found by Cheapflights users on 10/25. 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.
Wed 12/311:35 amPDX - HEL
2 stops18h 50mMultiple Airlines
Sun 12/77:00 amHEL - PDX
1 stop14h 25mMultiple Airlines
Deal found 10/25$500
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/39:50 amPDX - HEL
2 stops20h 40mAir Canada
Sun 12/76:55 amHEL - PDX
2 stops36h 20mAir Canada
Deal found 10/25$517
This Mytrip deal was found by Cheapflights users on 10/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:00 pmPDX - HEL
2 stops37h 50mMultiple Airlines
Mon 12/87:35 pmHEL - PDX
2 stops35h 40mMultiple Airlines
Deal found 10/27$521
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 12/45:30 amPDX - HEL
2 stops24h 55mDelta
Mon 12/87:00 amHEL - PDX
1 stop14h 25mDelta
Deal found 10/27$534
This United deal was found by Cheapflights users on 10/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2411:59 pmPDX - HEL
2 stops32h 51mMultiple Airlines
Mon 12/112:45 pmHEL - PDX
2 stops54h 30mMultiple Airlines
Deal found 10/25$536
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Wed 12/36:00 amPDX - HEL
2 stops26h 50mUnited Airlines
Sun 12/712:45 pmHEL - PDX
3 stops56h 18mUnited Airlines
Deal found 10/25$541
This United deal was found by Cheapflights users on 10/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/211:59 pmPDX - HEL
2 stops32h 51mMultiple Airlines
Sun 11/96:55 amHEL - PDX
2 stops36h 20mMultiple Airlines
Deal found 10/27$544

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 October 27, 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

Tue 12/9

5:30 am-4:25 pm

2 stops24h 55m

Helsinki-Vantaa

Tue 12/16

7:00 am-5:43 pm

2 stops20h 43m

$482

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 12/3

11:35 am-4:25 pm

2 stops18h 50m

Helsinki-Vantaa

Sun 12/7

7:00 am-11:25 am

1 stop14h 25m

$500

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 12/3

9:50 am-4:30 pm

2 stops20h 40m

Helsinki-Vantaa

Sun 12/7

6:55 am-9:15 am

2 stops36h 20m

$517

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 12/4

7:00 pm-6:50 pm

2 stops37h 50m

Helsinki-Vantaa

Mon 12/8

12:45 pm-6:06 pm

2 stops39h 21m

$521

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 3/4

1:25 pm-1:10 pm

1 stop13h 45m

Helsinki-Vantaa

Sun 3/8

7:00 am-11:25 am

1 stop14h 25m

$530

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Thu 12/4

7:15 am-4:25 pm

2 stops23h 10m

Helsinki-Vantaa

Mon 12/8

7:00 am-11:25 am

1 stop14h 25m

$534

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Sat 2/28

11:59 pm-10:45 am

1 stop24h 46m

Helsinki-Vantaa

Sat 3/14

12:30 pm-10:46 pm

1 stop19h 16m

$535

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 11/24

11:59 pm-6:50 pm

2 stops32h 51m

Helsinki-Vantaa

Mon 12/1

12:45 pm-9:15 am

2 stops54h 30m

$536

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 12/3

6:00 am-6:50 pm

2 stops26h 50m

Helsinki-Vantaa

Sun 12/7

12:45 pm-11:03 am

3 stops56h 18m

$541

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 12/2

7:00 pm-4:30 pm

2 stops35h 30m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 14 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Portland-Helsinki flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Helsinki, you should look to book at least 48 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, March is the cheapest month in which you can book a flight from Portland to Helsinki (average of $370). Flying from Portland to Helsinki in June is currently the most expensive (average of $915). 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 October 27, 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 21% versus a flight in the evening.

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 October 27, 2025.
Read reviews from past customers who have flown Delta, Finnair, and American Airlines from Portland to Helsinki. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Finnair
7.6
Good
1,333 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
562 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,481 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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.

  • How long is the flight from Portland to Helsinki?

    Delta and Air Canada can get you from Portland to Helsinki in just under 20h 40m. Your travel time can differ by up to 4h 15m. The distance from Portland to Helsinki is about 4891 mi. This flight may include one or multiple stops.

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

    Currently priced at $400, 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 $481 and $482, respectively. Icelandair is currently priced 58% 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 Air Canada, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from Lufthansa 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, March is the cheapest month in which you can book a flight from Portland to Helsinki (average of $370). Flying from Portland to Helsinki in June is currently the most expensive (average of $915). 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 Helsinki?

Book flights to Helsinki 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.
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Portland to Turku flights

Top 7 airlines flying from Portland to Helsinki

Discover the top 7 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$366Average$894FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$481Average$990FlexibilityNo cancel feeOn-time71%
FinnairCheapest$482Average$840FlexibilityNo cancel feeOn-time76%
KLMCheapest$487Average$781FlexibilityNo cancel feeOn-time75%
DeltaCheapest$529Average$1,085FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$570Average$914FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$662Average$726FlexibilityNo cancel feeOn-time70%

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