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$367+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — HEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Helsinki-Vantaa are usually found in August or October, booked 45 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 September 11, 2025.

Round-trip from

$367
(oojo)

Popular in

March

Cheapest in

August

Average price

$837
From Portland to Helsinki-Vantaa
Search Deals
Highest demand for flights based on searches. 32% potential increase in price ($455 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 23% potential price decrease ($182 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 11, 2025.

This oojo deal was found by Cheapflights users on 9/11. 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.
Thu 10/303:45 pmPDX - HEL
1 stop12h 10mIcelandair
Wed 11/51:55 pmHEL - PDX
1 stop13h 05mIcelandair
Deal found 9/11$367
This Gurufare deal was found by Cheapflights users on 9/11. 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.
Mon 10/203:20 pmPDX - HEL
1 stop12h 40mIcelandair
Mon 11/31:55 pmHEL - PDX
1 stop13h 05mIcelandair
Deal found 9/11$385
This Icelandair deal was found by Cheapflights users on 9/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/203:20 pmPDX - HEL
1 stop12h 40mIcelandair
Sun 11/21:55 pmHEL - PDX
1 stop13h 05mIcelandair
Deal found 9/11$392
This Finnair deal was found by Cheapflights users on 9/11. 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 10/145:34 amPDX - HEL
1 stop19h 11mMultiple Airlines
Tue 10/2112:35 pmHEL - PDX
1 stop17h 11mMultiple Airlines
Deal found 9/11$432
This Finnair deal was found by Cheapflights users on 9/10. 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 11/256:00 amPDX - HEL
1 stop23h 20mMultiple Airlines
Tue 12/912:30 pmHEL - PDX
1 stop16h 40mMultiple Airlines
Deal found 9/10$435
This Icelandair deal was found by Cheapflights users on 9/11. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:45 pmPDX - HEL
1 stop12h 10mIcelandair
Sun 11/21:55 pmHEL - PDX
1 stop13h 05mIcelandair
Deal found 9/11$445
This Delta deal was found by Cheapflights users on 9/10. 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 9/307:18 amPDX - HEL
2 stops19h 32mDelta
Tue 10/77:10 amHEL - PDX
2 stops23h 54mDelta
Deal found 9/10$446
This Delta deal was found by Cheapflights users on 9/10. 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.
Mon 9/297:15 amPDX - HEL
2 stops23h 25mDelta
Thu 10/97:10 amHEL - PDX
2 stops23h 54mDelta
Deal found 9/10$458
This Finnair deal was found by Cheapflights users on 9/11. 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.
Wed 10/227:44 amPDX - HEL
1 stop17h 01mMultiple Airlines
Wed 11/57:35 pmHEL - PDX
2 stops36h 50mMultiple Airlines
Deal found 9/11$459
This Delta deal was found by Cheapflights users on 9/10. 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.
Sun 9/2812:55 pmPDX - HEL
1 stop14h 05mDelta
Thu 10/97:10 amHEL - PDX
2 stops23h 54mDelta
Deal found 9/10$467
This KLM deal was found by Cheapflights users on 9/10. 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.
Mon 11/2411:35 amPDX - HEL
2 stops18h 50mMultiple Airlines
Tue 12/96:20 pmHEL - PDX
1 stop27h 05mMultiple Airlines
Deal found 9/10$469
This Delta deal was found by Cheapflights users on 9/11. 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 10/147:30 amPDX - HEL
2 stops19h 30mDelta
Tue 10/217:10 amHEL - PDX
2 stops23h 54mDelta
Deal found 9/11$471

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 September 11, 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 10/14

11:10 am-5:40 pm

2 stops20h 30m

Helsinki-Vantaa

Tue 10/21

7:10 am-9:04 pm

2 stops23h 54m

$471

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Tue 10/28

11:10 am-4:25 pm

2 stops20h 15m

Helsinki-Vantaa

Wed 11/5

7:00 am-11:25 am

1 stop14h 25m

$473

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 10/29

7:30 am-4:25 pm

2 stops23h 55m

Helsinki-Vantaa

Fri 11/7

7:00 am-11:25 am

1 stop14h 25m

$473

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/27

2:25 pm-5:25 pm

1 stop18h 00m

Helsinki-Vantaa

Thu 11/6

2:05 pm-11:25 am

1 stop31h 20m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/20

1:15 pm-1:00 pm

1 stop13h 45m

Helsinki-Vantaa

Thu 11/6

2:05 pm-11:25 am

1 stop31h 20m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 11/26

1:25 pm-5:25 pm

1 stop18h 00m

Helsinki-Vantaa

Wed 12/10

7:00 am-11:25 am

1 stop14h 25m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 11/26

1:25 pm-5:25 pm

1 stop18h 00m

Helsinki-Vantaa

Thu 12/11

2:05 pm-11:25 am

1 stop31h 20m

$481

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 10/29

11:10 am-4:25 pm

2 stops20h 15m

Helsinki-Vantaa

Tue 11/4

6:30 am-9:04 pm

2 stops24h 34m

$482

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Wed 10/29

12:40 pm-1:35 am

2 stops27h 55m

Helsinki-Vantaa

Mon 11/3

9:00 pm-9:04 pm

2 stops34h 04m

$485

PortlandHelsinki

PDX - HEL

PDXHEL

Portland

Mon 10/27

12:25 pm-8:20 pm

2 stops22h 55m

Helsinki-Vantaa

Wed 11/5

4:05 pm-9:04 pm

2 stops38h 59m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 18 results
1
2

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 August 29, 2025.

To ensure you get the cheapest price possible for a flight from Portland to Helsinki, you should look to book at least 45 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 $1,082). 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 September 11, 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.

How much does it cost to fly round-trip from Portland to Helsinki?

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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,323 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Icelandair
7.0
Good
546 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 can get you from Portland to Helsinki in just under 20h 30m. Your travel time can differ by up to . The distance from Portland to Helsinki is about 4891 mi.

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

    Currently priced at $425, 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 55% 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 Icelandair, with whom users have recently found tickets for as low as $373. However, be on the lookout for offers from American Airlines and Air France, 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 $1,082). 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

Browse thousands of different options on Cheapflights for your next trip

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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 Kemi flights
Portland to Oulu flights
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$425Average$795FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$481Average$988FlexibilityNo cancel feeOn-time71%
FinnairCheapest$482Average$811FlexibilityNo cancel feeOn-time76%
KLMCheapest$487Average$750FlexibilityNo 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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