You are safe to fly until 36 weeks with a single pregnancy and 34 weeks with twins.
You do need to get a flying certificate from your doctor though.
i think you are safe to fly until about 26 weeks but speak to your GP and mention to your airline and travel insurance company to be on the safe side
hi i was wondering as to what time of pregnancy is it ok to travel... i am 6 weeks @ the moment and we had booked to goto asia b4 i found out i was pregnant big suprise! and dont wanna cancel our bookings so is it ok to go at 6 weeks if not when????