Well you can get fairly cheap flights from London Stansted to Oslo Torp that weekend(if you book now)

Going Out (One-way)
1 @ 19.99 GBP 19.99 GBP
Taxes, Fees & Charges
details 13.88 GBP


Coming Back (One-way)
1 @ 49.99 GBP 49.99 GBP
Taxes, Fees & Charges
details 12.68 GBP


Total Cost of Flight
excluding handling fee (if applicable)
click here for new information
on handling fees
96.54 GBP


If you travel on other days than Fri-Sun it`s even cheaper