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

Return flights

24 Apr - 01 May	Thai Airways	direct
15 Apr - 22 Apr	Thai Airways	direct
17 Apr - 24 Apr	Thai Airways	direct
24 Apr - 27 Apr	AirAsia
12 Apr - 18 Apr	Thai AirAsia
12 Apr - 25 Apr	Thai AirAsia
12 Apr - 17 Apr	Thai AirAsia
24 Apr - 27 Apr	Thai Airways	direct
01 Apr - 08 Apr	Thai Airways	direct
24 Apr - 02 May	Etihad Airways
25 Apr - 03 May	China Southern
24 Apr - 02 May	Thai Airways	direct
10 Apr - 17 Apr	Etihad Airways
10 Apr - 17 Apr	Thai Airways	direct

Also check the deals for one-way flights from Bangkok to Islamabad 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.

Book a cheap hotel in Islamabad

Cheap car rent in Islamabad

Cheapest return flights from Bangkok to Islamabad in April from $665

Return flights