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$473+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HEL
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Round-trip from

$473
(Ticket)
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 October 30, 2025.

This Ticket deal was found by Cheapflights users on 10/30. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:34 pmPWM - HEL
2 stops22h 46mScandinavian Airlines
Mon 12/156:15 amHEL - PWM
2 stops24h 44mScandinavian Airlines
Deal found 10/30$473
This Delta deal was found by Cheapflights users on 10/30. 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 12/82:34 pmPWM - HEL
2 stops18h 51mDelta
Mon 12/157:00 amHEL - PWM
2 stops23h 59mDelta
Deal found 10/30$486
This Delta deal was found by Cheapflights users on 10/28. 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 11/134:53 pmPWM - HEL
2 stops16h 32mDelta
Mon 11/172:05 pmHEL - PWM
2 stops39h 14mDelta
Deal found 10/28$532
This United deal was found by Cheapflights users on 10/30. 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 12/86:00 amPWM - HEL
3 stops27h 40mMultiple Airlines
Mon 12/1512:45 pmHEL - PWM
2 stops17h 24mMultiple Airlines
Deal found 10/30$749
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Mon 12/810:35 amPWM - HEL
3 stops23h 05mAir Canada
Mon 12/156:55 amHEL - PWM
3 stops23h 14mAir Canada
Deal found 10/30$884
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/132:13 pmPWM - HEL
2 stops19h 17mMultiple Airlines
Mon 12/226:55 amHEL - PWM
2 stops18h 16mMultiple Airlines
Deal found 10/30$4,603
This Air Canada deal was found by Cheapflights users on 10/30. 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.
Sat 12/1310:15 amPWM - HEL
3 stops19h 50mAir Canada
Mon 12/226:55 amHEL - PWM
3 stops23h 27mAir Canada
Deal found 10/30$6,410

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 30, 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

Mon 12/8

2:34 pm-8:20 pm

2 stops22h 46m

Helsinki-Vantaa

Mon 12/15

6:15 am-11:59 pm

2 stops24h 44m

$473

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Thu 11/13

4:53 pm-4:25 pm

2 stops16h 32m

Helsinki-Vantaa

Mon 11/17

2:05 pm-10:19 pm

2 stops39h 14m

$532

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Sat 4/4

12:26 pm-2:00 pm

2 stops18h 34m

Helsinki-Vantaa

Sat 4/11

12:35 pm-11:39 pm

2 stops18h 04m

$594

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Mon 12/8

6:00 am-4:40 pm

3 stops27h 40m

Helsinki-Vantaa

Mon 12/15

12:45 pm-11:09 pm

2 stops17h 24m

$749

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Sat 4/4

11:17 am-1:05 pm

3 stops18h 48m

Helsinki-Vantaa

Sat 4/11

7:05 am-6:20 pm

3 stops18h 15m

$974

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Sat 12/13

2:13 pm-4:30 pm

2 stops19h 17m

Helsinki-Vantaa

Mon 12/22

6:55 am-6:11 pm

2 stops18h 16m

$4,603

PortlandHelsinki

PWM - HEL

PWMHEL

Portland

Sat 12/13

10:15 am-1:05 pm

3 stops19h 50m

Helsinki-Vantaa

Mon 12/22

6:55 am-11:22 pm

3 stops23h 27m

$6,410

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, December is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $331). Flying from Portland, Maine to Helsinki in July is currently the most expensive (average of $574). 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 16h 32m. Fly via Scandinavian Airlines, Delta, 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, December is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $331). Flying from Portland, Maine to Helsinki in July is currently the most expensive (average of $574). 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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