The man, said to be in his 30s, blew himself up in front of a police outpost near the Shahjalal International Airport.
The 'suicide attacker' exploded a bomb apparently in an attempt to target security personnel at the entrance of the airport, killing himself, Bdnew24.Com reported.
The attacker could not be identified immediately.
Armed Police Battalion Assistant Commissioner Tanzila Akter told the news outlet that the incident happened around 7 p.M. Local time.
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She added that no law enforcer was injured in the blast.
The attack comes a week after a similar attack on a nearby RAB camp on March 17. Security was tightened at airports and prisons across Bangladesh after the attack.
A suspected suicide attacker was shot dead at a RAB check post in Khilgaon on the following day.