Regarding flying after a nose filler... How long is the downtime?

Hi, it's Sakura. I'm thinking about getting a nose filler in Korea, and I have a question about the downtime. I'm visiting Korea at the beginning of next month and plan to get the procedure that weekend. After that, I need to return to Japan about 10 days later.

For non-surgical nose fillers, how much downtime is actually needed? How long do you think it takes for swelling and redness to subside to the point where it's okay to fly? Of course, I know there are individual differences, but I'd like to know a general guideline...

If anyone has experienced this, I'd be happy to hear your honest thoughts. Also, are there any precautions I should take before boarding a plane?