Best way to travel between Brussels and Dublin, Ireland

A: Brussels

B: Dublin, Ireland

Travel Modes: Price; Distance; Duration; CO2

flight: $116.0; 877.69 km; 5h 8mins; 94.79 kgs

bus: $212.0; 1035.3 km; 21h 10mins; 31.06 kgs

drive: $225.0; 974.4 km; 14h 54mins; 124.72 kgs

train: $286.0; 911.02 km; 21h 12mins; 48.28 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	877.69 km	5h 8mins	85 EUR	116.0
Bus	1035.3 km	21h 10mins	156 EUR	212.0
Drive	974.4 km	14h 54mins	166 EUR	225.0
Train	911.02 km	21h 12mins	211 EUR	286.0

Take Bus from Bruxelles-Midi to Charleroi Airport: Time: 1h 1mins Cost: 10 EUR; $ 12.6 - 15.4 USD CO2 Emission: 1.63 kgs
Take Flight from CRL to DUB: Time: 1h 46mins Cost: 70 EUR; $ 85.5 - 104.5 USD CO2 Emission: 87.61 kgs
Take Bus from Dublin Airport to Convention Centre: Time: 16mins Cost: 5 EUR; $ 6.3 - 7.7 USD CO2 Emission: 0.39 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Brussels and Dublin, Ireland is to travel by air, which will cost about 85 EUR or 104.40 USD.