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$544+ Cheap flights from Portland, ME (PWM) 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HEL
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Portland to Helsinki

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 14, 2025.

Round-trip from

$544
(Scandinavian Airlines)
From Portland to Helsinki-Vantaa
Search Deals

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 14, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 9/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:30 pmPWM - HEL
2 stops28h 05mScandinavian Airlines
Mon 11/176:15 amHEL - PWM
2 stops24h 39mScandinavian Airlines
Deal found 9/13$544
This American Airlines deal was found by Cheapflights users on 9/12. 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 9/242:02 pmPWM - HEL
2 stops16h 58mAmerican Airlines
Tue 9/305:15 pmHEL - PWM
2 stops25h 29mAmerican Airlines
Deal found 9/12$616
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:27 pmPWM - HEL
2 stops18h 33mAmerican Airlines
Tue 11/412:30 pmHEL - PWM
2 stops18h 29mAmerican Airlines
Deal found 9/14$630
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:02 pmPWM - HEL
2 stops16h 58mAmerican Airlines
Thu 11/67:35 amHEL - PWM
2 stops22h 19mAmerican Airlines
Deal found 9/14$652
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:45 amPWM - HEL
2 stops21h 55mDelta
Tue 11/46:30 amHEL - PWM
2 stops24h 35mDelta
Deal found 9/14$706
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1610:05 amPWM - HEL
2 stops25h 50mUnited Airlines
Tue 11/47:05 amHEL - PWM
3 stops23h 12mUnited Airlines
Deal found 9/14$789
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:14 pmPWM - HEL
2 stops19h 26mUnited Airlines
Tue 11/47:05 amHEL - PWM
3 stops23h 12mUnited Airlines
Deal found 9/14$793
This Air Canada deal was found by Cheapflights users on 9/14. 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 9/1610:39 amPWM - HEL
3 stops19h 11mAir Canada
Tue 11/47:05 amHEL - PWM
3 stops23h 12mAir Canada
Deal found 9/14$800
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 9/1710:39 amPWM - HEL
3 stops19h 11mAir Canada
Tue 11/47:05 amHEL - PWM
3 stops23h 12mAir Canada
Deal found 9/14$844
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:18 amPWM - HEL
1 stop18h 27mAmerican Airlines
Tue 11/412:30 pmHEL - PWM
2 stops18h 29mAmerican Airlines
Deal found 9/14$931
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 9/242:41 pmPWM - HEL
2 stops22h 34mScandinavian Airlines
Thu 11/67:00 amHEL - PWM
3 stops24h 05mScandinavian Airlines
Deal found 9/14$985

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 14, 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

PWM - HEL

PWMHEL

Portland

Thu 11/13

2:30 pm-1:35 am

2 stops28h 05m

Helsinki-Vantaa

Mon 11/17

11:20 am-11:54 pm

2 stops19h 34m

$544

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Thu 3/5

12:13 pm-1:55 pm

2 stops18h 42m

Helsinki-Vantaa

Wed 3/11

4:50 pm-12:07 pm

2 stops25h 17m

$561

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Fri 3/6

2:29 pm-1:55 pm

2 stops16h 26m

Helsinki-Vantaa

Fri 3/13

4:50 pm-12:07 pm

2 stops25h 17m

$616

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Wed 9/24

2:02 pm-2:00 pm

2 stops16h 58m

Helsinki-Vantaa

Tue 9/30

5:15 pm-11:44 am

2 stops25h 29m

$616

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Wed 9/24

2:02 pm-2:00 pm

2 stops16h 58m

Helsinki-Vantaa

Thu 11/6

7:35 am-10:54 pm

2 stops22h 19m

$652

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Wed 9/24

2:14 pm-4:40 pm

2 stops19h 26m

Helsinki-Vantaa

Tue 11/4

7:05 am-11:17 pm

3 stops23h 12m

$793

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Thu 3/5

4:48 pm-6:50 pm

2 stops19h 02m

Helsinki-Vantaa

Wed 3/11

6:55 am-7:24 pm

3 stops18h 29m

$855

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Wed 9/24

2:41 pm-8:15 pm

2 stops22h 34m

Helsinki-Vantaa

Thu 11/6

7:00 am-12:05 am

3 stops24h 05m

$985

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Wed 9/24

2:41 pm-8:25 pm

3 stops22h 44m

Helsinki-Vantaa

Tue 11/4

7:00 am-12:05 am

3 stops24h 05m

$992

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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

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

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $444). Flying from Portland, Maine 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.

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, Maine to Helsinki?

    There are many flights that can get you from Portland, Maine to Helsinki in 18h 42m. Fly via Scandinavian Airlines or American Airlines to get the fastest option. Airlines will cover a distance of 3831 mi. This flight may include one or multiple stops.

  • 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, Maine to Helsinki?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $444). Flying from Portland, Maine 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

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