Best way to travel between Dublin, Ireland and Manchester

A: Dublin, Ireland

B: Manchester

Travel Modes: Price; Distance; Duration; CO2

flight: $73.0; 296.82 km; 3h 21mins; 32.06 kgs

drive: $79.0; 308.04 km; 5h 44mins; 39.43 kgs

bus: $89.0; 315.12 km; 7h 4mins; 9.45 kgs

train: $130.0; 278.76 km; 9h 24mins; 14.77 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	296.82 km	3h 21mins	45 GBP	73.0
Drive	308.04 km	5h 44mins	49 GBP	79.0
Bus	315.12 km	7h 4mins	55 GBP	89.0
Train	278.76 km	9h 24mins	80 GBP	130.0

Take Bus from Virtual Stop 2, Docklands to Airport, Dublin Airport: Time: 19mins Cost: 4 GBP; $ 6.3 - 7.7 USD CO2 Emission: 0.4 kgs
Take Flight from DUB to LPL: Time: 51mins Cost: 34 GBP; $ 49.5 - 60.5 USD CO2 Emission: 24.78 kgs
Take Bus from Speke, Liverpool John Lennon Airport (Speke Hall Avenue) to Manchester City Centre, Sackville Street (Op Cent'l Pk Cl): Time: 41mins Cost: 7 GBP; $ 9.9 - 12.1 USD CO2 Emission: 1.62 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Dublin, Ireland and Manchester is to travel by air, which will cost about 45 GBP or 65.70 USD.