A useful spot HL, thanks for posting.
Must admit I hadn't looked at that routing via US and had always been looking at the direct VS LGW-MBJ route as previously had Polish or South Africans travelling along so had to avoid the US transit and as I don't like the flights into Kingston followed by the drive across the island for the main resorts. The direct VS still has some nice £1337 UC returns setting off in early December - 3rd or 5th for 16 or 14 nights - but last one on 10th for 14 nights means flying home 24th into 25th).
If you look on the VH website you get the wonderful anomaly that a holiday in Jamaica leaving 10/12 and returning 24/12 has bizarre flight upgrade prices e.g. to upgrade from E/E flights to PE/E costing £373.41 while upgrading to UC/UC is only £306.85 !
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