Best way to travel between Dublin, Ireland and Brussels

A: Dublin, Ireland

B: Brussels

Travel Modes: Price; Distance; Duration; CO2

flight: $117.0; 885.36 km; 5h 17mins; 95.62 kgs

bus: $214.0; 1025.1 km; 20h 50mins; 30.75 kgs

drive: $224.0; 948.6 km; 14h 9mins; 121.42 kgs

train: $295.0; 919.02 km; 21h 6mins; 48.71 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	885.36 km	5h 17mins	86 EUR	117.0
Bus	1025.1 km	20h 50mins	158 EUR	214.0
Drive	948.6 km	14h 9mins	165 EUR	224.0
Train	919.02 km	21h 6mins	217 EUR	295.0

Take Bus from Convention Centre to Dublin Airport: Time: 16mins Cost: 5 EUR; $ 6.3 - 7.7 USD CO2 Emission: 0.37 kgs
Take Flight from DUB to CRL: Time: 1h 42mins Cost: 70 EUR; $ 85.5 - 104.5 USD CO2 Emission: 88.47 kgs
Take Bus from Charleroi Airport to Bruxelles-Midi: Time: 1h 1mins Cost: 11 EUR; $ 13.5 - 16.5 USD CO2 Emission: 1.64 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Dublin, Ireland and Brussels is to travel by air, which will cost about 86 EUR or 105.30 USD.