Flying out of Southampton.

[wonderstuff]

I'm flying to Paris on Friday morning. If I check in online how long before the flight do I have to arrive at the airport? (Flybe SOU-CDG @ 10.25)

An hour before should be fine.

I would arrive there two hours before your flight departs.

Do you have bags or just hand luggage? Getting through security is quick but if you have to have your bags taken in and weighed that takes time.
If it's hand held only you won't need more than an hour.
I love Southampton. You can wave to your car in the car park when you fly in and out.