AirHint found the following cheapest return flights from Surabaya (SUB) to Bangkok (BKK) in April 2026 (see full year).

Return flights

16 Apr - 19 Apr	Scoot Tigerair
24 Apr - 29 Apr	Scoot Tigerair
09 Apr - 16 Apr	Singapore Airlines
09 Apr - 11 Apr	Indonesia AirAsia
15 Apr - 29 Apr	Indonesia AirAsia
11 Apr - 15 Apr	Singapore Airlines
16 Apr - 29 Apr	Indonesia AirAsia
09 Apr - 29 Apr	Indonesia AirAsia
02 Apr - 11 Apr	Indonesia AirAsia
11 Apr - 18 Apr	Singapore Airlines

Also check the deals for one-way flights from Surabaya to Bangkok in April.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Surabaya to Bangkok in April from $170

Return flights