Best way to travel between Tokyo, Japan and Helsinki

A: Tokyo, Japan

B: Helsinki

Travel Modes: Price; Distance; Duration; CO2

flight: $432.0; 8169.96 km; 13h 46mins; 882.36 kgs

flight: $573.0; 8263.82 km; 15h 28mins; 892.49 kgs

flight: $875.0; 8216.1 km; 19h 5mins; 887.34 kgs

flight: $1246.0; 8477.7 km; 19h 7mins; 915.59 kgs

flight: $1353.0; 8358.9 km; 18h 9mins; 902.76 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	8169.96 km	13h 46mins	318 EUR	432.0
Flight	8263.82 km	15h 28mins	422 EUR	573.0
Flight	8216.1 km	19h 5mins	644 EUR	875.0
Flight	8477.7 km	19h 7mins	918 EUR	1246.0
Flight	8358.9 km	18h 9mins	996 EUR	1353.0

Take Train from Tokyo to Narita Airport Terminal 2: Time: 53mins Cost: 17 EUR; $ 20.7 - 25.3 USD CO2 Emission: 3.51 kgs
Take Flight from NRT to HEL: Time: 10h 18mins Cost: 295 EUR; $ 360.0 - 440.0 USD CO2 Emission: 870.84 kgs
Take Train from Helsinki Lentoasema to Helsinki: Time: 29mins Cost: 7 EUR; $ 8.1 - 9.9 USD CO2 Emission: 2.18 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Tokyo, Japan and Helsinki is to travel by air, which will cost about 318 EUR or 388.80 USD.