Flight cost: £25.98 return.
Accommodation cost: £117.12 for three nights.
Food: 
Everything else: 
Total:

Flight details: We flew with Ryanair from Stansted on 24 May 2018, returning on 26 May 2018 at a cost of £25.98 each.
Accommodation details: We stayed at the Stockholm Hostel for three nights, which cost £243.23, so equates to £117.12 each.