The cheapest London to Antigua return flight on the radar right now is £492, flying with Virgin Atlantic via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LHR–ANU search on Skyscanner. At 25% under the £660 we normally record here, it is one of the strongest LHR–ANU fares in our index. Across 63 recorded checks it has ranged between £488 and £2,980. Our sampling points to November 2026 as the cheapest month to fly London to Antigua.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from London? We track 41 other departure cities for Antigua, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since London to Antigua is often still worth booking within a day or two of the fare we found.