Cheap flights from Trenton to Helsinki from £370

Cheap flights from Trenton to Helsinki from £370

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2 stops
Tue, Aug 4
Trenton TTNHelsinki HEL
£370
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2 stops
Tue, Aug 4
Trenton TTNHelsinki HEL
£383
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2 stops
Fri, Aug 7
Trenton TTNHelsinki HEL
£389
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2 stops
Wed, Aug 5
Trenton TTNHelsinki HEL
£390
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2 stops
Sun, Aug 2
Trenton TTNHelsinki HEL
£392
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2 stops
Thu, Aug 6
Trenton TTNHelsinki HEL
£430
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2 stops
Fri, Aug 7 – Wed, Aug 12
Trenton TTNHelsinki HEL
£927
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2 stops
Thu, Aug 6 – Wed, Aug 12
Trenton TTNHelsinki HEL
£963
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2 stops
Fri, Aug 7 – Wed, Aug 12
Trenton TTNHelsinki HEL
£972
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2 stops
Fri, Aug 7 – Wed, Aug 12
Trenton TTNHelsinki HEL
£974
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2 stops
Fri, Aug 7 – Wed, Aug 12
Trenton TTNHelsinki HEL
£976
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2 stops
Fri, Aug 7 – Tue, Aug 11
Trenton TTNHelsinki HEL
£983
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How much do flights to Helsinki cost?

Cheapest one-way trip

£370

Cheapest round-trip

£927

Average round-trip

£1,053

Includes rare itinerary

Travel hack

Most popular airline

Frontier Airlines

Getting from Helsinki airport to the city center

Fastest options: Ring Rail Line train and taxi. Best value: bus routes 615 and 617.

Helsinki is served by Helsinki Airport (HEL), located 18 km north of the city center. The airport offers convenient airport transfers to city center destinations via the Ring Rail Line, regional buses, taxis, ride-hailing services, and private transfers. The Ring Rail Line provides the fastest and most reliable connection, while buses offer a budget-friendly alternative. Journey times and costs vary depending on the transport option, time of day, and traffic conditions.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

30-35 min

€4.10 – €5.50; zone ABC ticket required

every 5–10 min (traffic dependent)

fastest to central station

40-55 min

€4.10 – €5.50; zone ABC ticket required

every 15–30 min (traffic dependent)

budget travelers

45-60 min

€4.10 – €5.50; zone ABC ticket required

every 20–30 min (traffic dependent)

Pasila connections

30-45 min

€7 – €10; direct service to city center

every 20 min (traffic dependent)

direct to Elielinaukio

25-45 min

€45 – €65; metered; varies by traffic and time

on-demand 24/7 (traffic dependent)

door-to-door convenience

25-45 min

€35 – €55; surge pricing may apply

on-demand 24/7 (traffic dependent)

app-based booking

25-40 min

€60 – €100; pre-booked fixed rate

pre-booked (traffic dependent)

groups and business travelers

Notes:

  • Prices in EUR; table created in 2025 and subject to change.
  • HSL tickets can be purchased via the HSL app, ticket machines, or onboard (higher price).
  • The Ring Rail Line operates two routes: I train (via Tikkurila) and P train (via Huopalahti). Both stop at Helsinki Central Station.
  • Taxi fares are metered and may include airport surcharges. Night and weekend rates may be higher.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Helsinki

Depart from
Trenton–Mercer
Arrive to
Helsinki
Average flights per week
380
Flight distance
Worth visiting
Old Town of Tallinn - Temppeliaukion Kirkko

Check-in for a flight from Trenton to Helsinki

NameCarrier codeIATA CodePassport needed during booking
Frontier AirlinesFFTF9No
FinnairFINAYNo
Air FranceAFRAFNo
JetBlue AirwaysJBUB6No
Allegiant AirAAYG4No

Online check-in is not available for these airlines.

Weather in Helsinki

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-2°C-5°C
February-2°C-5°C
March1°C-3°C
April6°C1°C
May13°C6°C
June17°C11°C
July20°C14°C
August19°C14°C
September15°C10°C
October8°C5°C
November4°C2°C
December1°C-2°C
Hottest Month
20°C
July
Coldest month
-5°C
February
Sunny days
233
days per year
Snow days
30
days per year

14 day forecast

Saturday
11 Jul
57%
25°C15°C
18 Jul
23°C16°C
Sunday
12 Jul
62%
26°C17°C
19 Jul
21%
24°C17°C
Monday
13 Jul
85%
24°C18°C
20 Jul
36%
20°C14°C
Tuesday
14 Jul
14%
22°C17°C
21 Jul
64%
18°C12°C
Wednesday
15 Jul
24°C16°C
22 Jul
70%
17°C13°C
Thursday
16 Jul
20°C15°C
23 Jul
57%
18°C11°C
Friday
17 Jul
21°C15°C
24 Jul
75%
13°C10°C
The most popular airlines for this route are Frontier Airlines, Finnair, Air France, JetBlue Airways, and Allegiant Air. Trenton and Helsinki have 380 direct flights per week. When you arrive at Helsinki, consider visiting Old Town of Tallinn, and Temppeliaukion Kirkko.

Frequently asked questions

What are the most popular routes to and from Trenton?
Travelers frequently search for route combinations, such as Trenton and Orlando, Tampa, Atlanta, Philadelphia, Barranquilla, Fort Myers, Lexington, Little Rock, Columbus, Yangon, Santa Ana, Stavanger, Hamburg, Flint, Santo Domingo, Nassau, Edmonton, Savannah, Naples, Auckland.
What are the most popular routes to and from Helsinki?
Travelers frequently search for route combinations, such as Helsinki and London, Edinburgh, Manchester, Stockholm, Pristina, Amsterdam, Copenhagen, Berlin, Riga, Barcelona, Erbil, Bristol, Tel Aviv, Vilnius, Tirana, Rovaniemi, Dublin, Prague, Baghdad, Istanbul.
What airports are near Trenton?
The main airport in Trenton is Trenton–Mercer. It is also served by Newark Liberty International, Philadelphia International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Atlantic City International, Long Island MacArthur, Westchester County, Trenton–Mercer.
What airports are near Helsinki?
The main airport in Helsinki is Helsinki. It is also served by Tallinn, Turku, Tampere–Pirkkala.
Which airlines fly between Trenton and Helsinki?
Currently, you can fly between Trenton and Helsinki with Frontier Airlines, Finnair, Air France, JetBlue Airways, Allegiant Air.
When’s the best time to travel between Trenton and Helsinki?
If you don’t have specific dates for your trip between Trenton and Helsinki, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between Trenton and Helsinki?
Traveling between Trenton and Helsinki, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near Trenton?
There are a number of airports in and around Trenton. The main one is Trenton–Mercer and other nearby airports include Newark Liberty International, Philadelphia International, Baltimore–Washington International, LaGuardia, Ronald Reagan Washington National, New York Stewart International Airport, Atlantic City International, Long Island MacArthur, Westchester County, Trenton–Mercer
How many airports are there near Helsinki?
There are a number of airports in and around Helsinki. The main one is Helsinki and other nearby airports include Tallinn, Turku, Tampere–Pirkkala.
What time do nonstop (direct) flights between Trenton and Helsinki depart?
What time do nonstop (direct) flights between Trenton and Helsinki arrive?
What time do flights between Trenton and Helsinki depart?
What time do flights between Trenton and Helsinki arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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