When flying from Port Hedland to Bangkok, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Port Hedland (PHE) is the airport you will fly out of if you book a flight from Port Hedland to Bangkok. You should not have trouble finding flights to Bangkok from Port Hedland; the airport handles an average of 0 outbound flights to Bangkok per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Port Hedland airport to Bangkok. It is only a 7.7 km journey to Port Hedland (PHE) from Port Hedland’s city centre.