London (LHR) to Tbilisi (TBS): 2,221 miles (3,574 km) great-circle, about 4h 55m nonstop by our estimate. Cheapest fare observed: $516 round-trip on Aegean Airlines, with 1 stop, departing May 12, 2026.
$516 round-trip, Aegean Airlines A3601, departing 2026-05-12 at 12:15, returning 2026-05-15. The recorded itinerary left on a Tuesday, returning on a Friday 3 nights later; the fare was observed 17 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $516, it ranked 14th of the 30 round-trip fares we recorded from LHR (median $624). That is 23.2 cents per great-circle mile (round-trip price over one-way distance), close to the LHR median of 22.9 cents across 30 round-trip routes.
Routes from LHR of similar length: Yerevan (2,256 mi) at $376 and Mineralnyye Vody (2,048 mi) at $818.
Aegean Airlines had the cheapest fare on 2 of 30 LHR routes. It is the 15th longest of the 30 routes we track from LHR.
Of 56 departure airports with a fare to Tbilisi, London (LHR) ranked 36th at $516. Lowest: $149 from Istanbul (IST); highest: $2100 from Buenos Aires (EZE); 6 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (8), AJet (6), easyJet (3), Qatar (3), Turkish (3) and Aegean Airlines (2), plus 25 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Europe/London, Asia/Tbilisi; flight time is our estimate.