Goldioldie
I agree. Fly Business. We're off to Singapore in march, flying Business class, via Edinburgh &LHR . Our journey to Japan two years ago was so much more comfortable being able to relax and doze or sleep in between being offered tasty meals, snacks and drinks etc. Before retirement we flew in economy but I felt I couldn't do any more long haul like that.
We did not come from wealth but we've been careful through the years and been able to help our two DC get on the property ladder and we help with the DGC. With their encouragement, in our 70s it's now "our turn" to make life easier. Business class is, yes, expensive, but the journey itself was a pleasure, not a thing to be endured to arrive at a destination.
The tax man will take when we "go" and we never know when that will be so we're enjoying the fruits of our labour now while we can.
If you can manage, even one way, it'll be well worth it.