Ash cloud experts are predicting that air travel won't be badly disrupted by recent volcanic eruptions in Iceland.
The Bardarbunga volcano has begun erupting under a glacier and ash from a different eruption in 2010 shut down much of Europe's airspace for almost a week.
Yesterday a flight from Heathrow to San Francisco was re-routed away from the area.
However Melissa Pfeffer, from the Icelandic Met Office says relaxed aviation rules should keep planes in the air:
