Our cheapest offers for flights from Thailand to Sri Lanka

Here you can compare cheap flights from Thailand to Sri Lanka for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sri Lanka. Prices and availability may change at any time.

Flights from Bangkok (BKK) to Colombo (CMB)

	Outbound	Return	Airlines	Shop	Baggage	Price
Bangkok Colombo	Outbound 04/12/25 1 Stopover (MAA) 6E1062, 6E1175 28h 15min	Return 04/27/25 2 Stopovers (MAA, SIN) 8D0831, TR0579, TR0610 27h 40min	IndiGo Airlines		?	$364 found 3 days ago
Best option Bangkok Colombo	Outbound 06/20/25 direct TG0307 03h 45min	Return 07/19/25 direct TG0308 03h 45min	Thai Airways			$394