Go through your results for flights to Bahrain in Bahrain with Netflights. The most popular airlines for this route are British Airways, with British Airways claiming the top spot. Although Gulf Air 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.
Bahrain receives four direct and indirect flights every week, but the cheapest airline is normally Gulf Air. So, if the flights to Bahrain don't work for you, you could always try searching for flights to other airports in Bahrain.
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.