Here’s a great deal for Beat of Hawaii’s British readers.
I found good availability well into June, which includes the first part of the traditionally sky-high summer season.
Airlines: Air Canada, Continental, United
Routing: Various routings, but no stopovers
Cost: $742, equivalent to 490 GBP. round-trip (all-inclusive) to Honolulu (or $755 to Kahului, Maui).
Days: Monday through Thursday in both directions
Minimum/maximum stay: None/12 months