UK's airspace off limits until 7am tomorrow
English airspace will remain off limits until 7am tomorrow at the earliest.
But there is better news for those further north as cloud movement means there are some flights in Scotland and Northern Ireland.
Contingency plans are in place as the Easter Holidays draw to a close there with extra trains and ferries.
Health officials stress there is nothing to worry about yet.
But they are warning that if the dust starts falling those with asthma or breathing problems should stay indoors.
The disruption to air travel looks set to continue into the weekend due to the plume of ash from the Icelandic volcano.
The Irish Aviation Authority lifted restrictions within Irish airspace today - allowing for domestic and transatlantic flights to resume.
However, Eurocontrol - the European Organisation for Air Navigation Safety - is warning there will be further significant disruption to air traffic tomorrow.
There was some good news for air passengers this morning with the reopening of Dublin, Cork, Shannon and other regional airports - after the IAA lifted restrictions within Irish airspace.
However the presence of the ash cloud over Britain and other European countries - means the widespread disruption to services out of and into Ireland will continue.
Up to 100,000 passengers have been affected by the flight cancellations alone at Dublin Airport
Airlines are advising intending passengers to check their websites for information on specific flights - with warnings the disruption could last for another two days.
Meanwhile, a group of schoolchildren stranded at a Dutch airport due to the volcanic ash cloud have been rescued by a British lottery winner.
Tony Dugard, who netted a share of €2.5m last year as part of a syndicate, paid for a ferry crossing for them all.
The former lance corporal in the British Army was travelling with pupils from St Mary's School, in Grimsby, who had been on a jungle expedition in Borneo.
