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$498+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — HEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Portland to Helsinki

Best flights from Portland to Helsinki
Discover carefully curated flight deals from Portland to Helsinki that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2111:12 amPWM - HEL
2 stops24h 38mUnited Airlines
Sun 1/256:55 amHEL - PWM
2 stops42h 57mUnited Airlines
Deal found 12/15$498

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$498
(United Airlines)

Popular in

July

Cheapest in

December

Average price

$379
Provider with most accurate pricing for Boston Logan Intl-Helsinki-Vantaa flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Helsinki-Vantaa flights.
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From Portland to Helsinki-Vantaa
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Highest demand for flights based on searches. 24% potential increase in price ($184 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

Wed 1/21

11:12 am-6:50 pm

2 stops24h 38m

Helsinki-Vantaa

Sun 1/25

6:55 am-6:52 pm

2 stops42h 57m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, February is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $329). Flying from Portland, Maine to Helsinki in July is currently the most expensive (average of $562). 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 24h 38m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 3831 mi.

  • 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, February is the cheapest month in which you can book a flight from Portland, Maine to Helsinki (average of $329). Flying from Portland, Maine to Helsinki in July is currently the most expensive (average of $562). 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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