Best way to travel between Dublin, Ireland and Riga

A: Dublin, Ireland

B: Riga

Travel Modes: Price; Distance; Duration; CO2

flight: $198.0; 2074.8 km; 6h 11mins; 224.08 kgs

bus: $349.0; 3138.72 km; 56h 18mins; 94.16 kgs

train: $424.0; 2992.68 km; 56h 24mins; 158.61 kgs

drive: $490.37; 3168.9 km; 51h 9mins; 405.62 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	2074.8 km	6h 11mins	103 LVL	198.0
Bus	3138.72 km	56h 18mins	181 LVL	349.0
Train	2992.68 km	56h 24mins	220 LVL	424.0
Drive	3168.9 km	51h 9mins	254 LVL	490.37

Take Bus from Convention Centre to Dublin Airport: Time: 17mins Cost: 4 LVL; $ 6.3 - 7.7 USD CO2 Emission: 0.38 kgs
Take Flight from DUB to RIX: Time: 3h 20mins Cost: 98 LVL; $ 171.0 - 209.0 USD CO2 Emission: 220.13 kgs
Take Bus from Lidosta Rīga to Grēcinieku iela: Time: 24mins Cost: 1 LVL; $ 0.9 - 1.1 USD CO2 Emission: 0.74 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Dublin, Ireland and Riga is to travel by air, which will cost about 103 LVL or 178.20 USD.