If you want a cheap flight from Bristol to Stockholm, you've got two airlines to choose from.
You can use the filters on your search to see more flights and find cheaper rates – Stockholm has more than one airport. So if you don't need to fly into Stockholm Arlanda Airport, it's worth checking your other options. The 1582 km flight usually takes about 12 hrs 15 mins.
There are about six flights to or via Stockholm every week, so you have plenty of options. Keep your eye out for flights
If you're planning on going to Stockholm during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.