London (LGW) to Belfast (BFS): 349 miles (562 km) great-circle, about 1h 10m nonstop by our estimate. Cheapest fare observed: $77 round-trip on easyJet, nonstop, departing May 19, 2026.
$77 round-trip, easyJet U2820, departing 2026-05-19 at 08:25, returning 2026-05-22. The recorded itinerary left on a Tuesday, returning on a Friday 3 nights later; the fare was observed 24 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $77, it ranked 2nd of the 30 round-trip fares we recorded from LGW (median $463). That is 22.1 cents per great-circle mile (round-trip price over one-way distance), above the LGW median of 18.3 cents across 30 round-trip routes.
Routes from LGW of similar length: Edinburgh (357 mi) at $61 and Paris (191 mi) at $117.
easyJet had the cheapest fare on 9 of 30 LGW routes. It is the 29th longest of the 30 routes we track from LGW.
Of 3 departure airports with a fare to Belfast, London (LGW) ranked 2nd at $77. Lowest: $41 from Manchester (MAN); highest: $196 from London (LHR); 3 nonstop. Cheapest-fare airlines (routes): British Airways (1), easyJet (1) and Ryanair UK (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/London, Europe/London; flight time is our estimate.