This is a USA fare on Balcony GTY(no perks) $1075.
the UK fare is £1389 inc tips, USA equivalent $1271 (£980)
USA TA should give a bit(up to 10% of the cruise fare) off the NCL pricing.
Virgin flights £300 needs a night in NY as the departure is 3pm
There is a early flight that gets in 11:30(still tight) that is over £500

NCL Epic from orlando on the 24th 11 night is also worth a look for a Solo $1k inc tips.
the UK fare is £1389 inc tips, USA equivalent $1271 (£980)
USA TA should give a bit(up to 10% of the cruise fare) off the NCL pricing.
Virgin flights £300 needs a night in NY as the departure is 3pm
There is a early flight that gets in 11:30(still tight) that is over £500

NCL Epic from orlando on the 24th 11 night is also worth a look for a Solo $1k inc tips.