Cheap flights from Trenton, NJ to Helsinki, Finland
Flights starting at £311. Choose between Frontier Airlines, Finnair, or Norwegian to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Helsinki
Cheapest one-way trip | £311 |
---|---|
Cheapest round-trip | £765 |
Average round-trip | £783 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are Frontier Airlines, Finnair, Norwegian, British Airways, and SAS. Trenton and Helsinki have 311 direct flights per week. When you arrive at Helsinki, consider visiting Old Town of Tallinn, and Temppeliaukion Kirkko.
Check-in for a flight from Trenton to Helsinki
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Finnair | FIN | AY | No | 0 0 |
Norwegian | NAX | DY | No | Opens 24 days before flight Closes 2 hours before flight |
British Airways | BAW | BA | No | 0 0 |
SAS | SAS | SK | No | 0 0 |
Weather in Helsinki
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -2°C | -5°C |
February | -1°C | -5°C |
March | 0°C | -3°C |
April | 6°C | 1°C |
May | 12°C | 6°C |
June | 17°C | 11°C |
July | 20°C | 14°C |
August | 19°C | 14°C |
September | 15°C | 10°C |
October | 8°C | 5°C |
November | 4°C | 1°C |
December | 0°C | -2°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Trenton
- Flights from Trenton to Orlando
- Flights from Trenton to Detroit
- Flights from Trenton to Chicago
- Flights from Trenton to Jacksonville
- Flights from Trenton to West Palm Beach
- Flights from Trenton to Minneapolis
- Flights from Trenton to Nashville
- Flights from Trenton to Atlanta
- Flights from Trenton to New York
- Flights from Trenton to Las Vegas
- Flights from Trenton to Denver
- Flights from Trenton to Miami
- Flights from Trenton to Mexico City
- Flights from Trenton to Bogotá
- Flights from Trenton to Dallas
- Flights from Trenton to Phoenix
- Flights from Trenton to Philadelphia
- Flights from Trenton to San Francisco
- Flights from Trenton to Houston
- Flights from Trenton to San Juan
Flights to Helsinki
- Flights from London to Helsinki
- Flights from Dublin to Helsinki
- Flights from Manchester to Helsinki
- Flights from Edinburgh to Helsinki
- Flights from Athens to Helsinki
- Flights from Amsterdam to Helsinki
- Flights from Toronto to Helsinki
- Flights from Malta to Helsinki
- Flights from Manila to Helsinki
- Flights from Rovaniemi to Helsinki
- Flights from Tallinn to Helsinki
- Flights from Brussels to Helsinki
- Flights from Berlin to Helsinki
- Flights from Oslo to Helsinki
- Flights from Reykjavik to Helsinki
- Flights from Bristol to Helsinki
- Flights from Vienna to Helsinki
- Flights from Thessaloniki to Helsinki
- Flights from Montreal to Helsinki
- Flights from Glasgow to Helsinki
Popular routes
- Flights from Chiang Mai to Bangkok
- Flights from Alexandria to Foz do Iguaçu
- Flights from Tokyo to Dushanbe
- Flights from Düsseldorf to Willemstad
- Flights from Dublin to Srinagar
- Flights from Varanasi to Budapest
- Flights from Hyderabad to Manaus
- Flights from Salvador to Kingston
- Flights from Hermosillo to Brasília
- Flights from Asheville to Dakar
- Flights from Phuket City to Bangkok
- Flights from Vienna to Porto Seguro
Airports near Trenton
- John F. Kennedy International
- Newark Liberty International
- Philadelphia International
- LaGuardia
- Baltimore–Washington International
- New York Stewart International Airport
- Ronald Reagan Washington National
- Long Island MacArthur
- Lehigh Valley International
- Trenton–Mercer