Originally Posted by mad_rich

Also, I don't know if it's showing for you, but just had quick look on Google Flights and I see what looks like a better option for Vietnam Airlines routing SIN-SGN-CDG on the 22nd.

Depart SIN at 2025, 1h40 layover in SGN, depart SGN 2315. Slightly more than your FRA flight at £850.

Not much difference in overall duration, but you have a shorter connection in SGN and more usable time to spend a full day in SIN. Also, both legs on A350.

https://flights.app.goo.gl/ehzPW