Dhaka, Oct. 14 -- A total of 86 flights from Dhaka to Saudi Arabia have been cancelled or suspended as of Wednesday following Houthi attacks on Saudi airports, affecting 13,490 passengers.

Biman Bangladesh Airlines and other carriers are offering ticket changes to help the affected reach alternative airports under government instructions, according to the Civil Aviation Authority of Bangladesh (CAAB).

Expatriate workers whose visas are nearing expiry face particular uncertainty.

In a statement on Wednesday, CAAB said the cancellations and suspensions involved 36 direct flights and 50 connecting services.

Of the direct flights, 14 operated by Biman Bangladesh Airlines, 10 by US-Bangla Airlines, seven by Riyadh Airways and five by Saudi...