For cheapest flights:

• Remove hold luggage (-£7.98)

• Remove insurance (-£11)

• Add sports equip bike (+£30)

The only Berlin airport SleazyJet fly to is Berlin Schoenefeld then its trains to Mellow (that's how we did it last time too).

Earlier flight is best so you don't lose the first day travelling.
Then later flight on the way back for same reason.

Luton is LOADS cheaper than Gatwick.

• £68 no hold luggage, no insurance and 1 bike from Luton.

(Out 7.45, Return 21.55)

• £120 no hold luggage, no insurance and 1 bike from Gatwick.

(Out 9.30, Return 18.30)