Bangalore (BLR) to Bangkok (BKK): 1,548 miles (2,492 km) great-circle, about 3h 35m nonstop by our estimate. Cheapest fare observed: $355 round-trip on Air India, with 1 stop, departing April 30, 2026.
$355 round-trip, Air India AI2604, departing 2026-04-30 at 09:15, returning 2026-05-15. The recorded itinerary left on a Thursday, returning on a Friday 15 nights later; the fare was observed 5 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $355, it ranked 16th of the 30 round-trip fares we recorded from BLR (median $352). That is 22.9 cents per great-circle mile (round-trip price over one-way distance), close to the BLR median of 23.4 cents across 30 round-trip routes.
Routes from BLR of similar length: Phuket (1,442 mi) at $345 and Sharjah (1,668 mi) at $682.
Air India had the cheapest fare on 6 of 30 BLR routes. It is the 15th longest of the 30 routes we track from BLR.
Of 59 departure airports with a fare to Bangkok, Bangalore (BLR) ranked 19th at $355. Lowest: $73 from Phuket (HKT); highest: $1428 from Mexico City (MEX); 14 nonstop. Cheapest-fare airlines (routes): Air India (5), Etihad (5), Thai Vietjet Air (4), Air China (3), Scoot (3) and Thai AirAsia (3), plus 31 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Kolkata, Asia/Bangkok; flight time is our estimate.