Go through your results for flights to Orebro in Sweden with Netflights. The most popular airlines for this route are SAS, with SAS claiming the top spot. Although SAS usually has the best prices, it's best to double check what's available for your travel dates.
If these flights are too expensive, try searching for a different time of year. So if your dates are flexible, consider looking at different times of year.
There are one direct and indirect flights to Orebro every week, operated by one airlines. But if you're struggling to find flights to Orebro that work for you, try looking at other airports in Sweden.
Looking at a few different departure airports will give you even more choice. See what you can find. And remember, it's best to book your flights in advance wherever possible.