Sadly Sterling airlines has today filed for bankruptcy and suspended operations.
Links to airlines with "rescue fares" :
BA rescue fare of £30 to Sterling passengers
Ryanair rescue fare to Sterling passengers
easyJet rescue fare to Sterling Copenhagen passengers
Norwegian Air Shuttle rescue fares for Sterling passengers
SAS rescue flight offer for Sterling passengers
Even DFDS which operates ships from Harwich to Esbjerg has an offer
And here is some info about getting your money back, even if you used a debit card.
See Also :
List of airports in Scandinavia