[13] Pulsating explosions continued to produce ash and steam clouds, some reaching a few kilometers in height, rising up from the vents.

[18] Transatlantic flights had also experienced delays, and the threat of further air travel disruption cut US President Barack Obama's state visit to Ireland a day short.

[21] By 23 May, authorities in Denmark closed airspace below 6.4 km (21,000 ft) in the northwestern part of the country, with some delays and cancellations at Copenhagen.

[29] Furthermore, Continental Airlines Flights 75 and 97 (from Hamburg and Berlin Tegel to Newark Liberty) had to make stopovers at Gander Airport, Newfoundland, to refuel as they were assigned more southerly routes that exceeded the Boeing 757-200s' range.

Ash clouds also remained over the region of Uummannaq and Upernavik, meaning northern-bound flights were still subject to weather developments.

[34] By Sunday 29 May, more flights and services had been restored, with few passengers stuck in coastal regions with arrivals expected on Monday or Tuesday.

The Icelandic civil defence agency Almannavarnir established a service centre to organise cleanup efforts and provide a point of contact for people who need help.

[36] During a local public meeting on the 26th, residents were permitted to claim for losses and additional costs for those who possess household fire insurance.