Ok, from someone who does not enjoy flying and who has also had a panic attack or two in her time...I'd still go option 2 babe. I think I'd rather the single experience, although possibly drawn out, than 3 seperate experiences iykwim? Get it over and done with in a few hours and then relax and enjoy your holiday without all the extra d*cking around.

Can you talk to your GP etc about ways to help calm you for the flight?