I've heard of mums doing similar trips around that stage, and it's generally okay if your pregnancy is progressing normally, but the main thing is to check with your gynae first since they know your full health picture. The big practical tips are wearing compression socks on the flight, getting up to walk around every hour or so, staying really hydrated, and having your doctor's letter handy in case you need medical care while abroad. I'd also suggest packing your antenatal records and booking accommodation close to a hospital, just in case, and maybe pick a destination that's not too physically demanding since you might feel more tired or nauseous at that stage. It's doable but really worth having your gynae's green light before you go.
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