Originally Posted by
mikeyfly
This is not currently policy - they will allow another gateway in Europe. I was offered MAD instead of AMS, which is far further than 300 miles. But you're right, they will not allow London until there are no other options last minute.
The OP asked to start in London rather than GOT. BAH don't allow that. They only allow a 300-mile change
within the same currency area. As Sweden uses neither GBP nor EUR, I presume they'll only let the OP fly ex-GOT or ARN as the only two airports BA fly from that use SEK as their currency