As they used to say in the old days as the judge passed sentence
May god have mercy on your soul..
How about ducking down to the local plumbing supply shop, get some 90mm storm water pipe, an end, and a collar with a lid that screws off ? I did this for my campervan, made a stellar rod storage box.. bit of foam each end to protect the rods, and I have been offroad several times and my rods are still fine.
It would only cost you about 10 bucks, and the airline should take it on for you through special luggage.
Take your own gear mate, buy some local bait like yabbies or blood worms. There are some good fish in that area like whiting , flatties and bream
Oh, and the local chemist has those ear plugs you use when mowing the lawn, grab a couple of pair so you become hard of hearing
Russell