İETT
İETT is Istanbul's municipal bus operator, running the city's public bus network under the Istanbulkart fare system used across the metropolitan transport network. Five dedicated H-series routes connect İstanbul Havalimanı to neighbourhoods across the European side, including Mahmutbey, Mecidiyeköy, Halkalı, Arnavutköy and Sarıyer, alongside dozens of other services covering greater Istanbul.
Routes (5)
H-1 (Mahmutbey Metro–İstanbul Havalimanı)
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Municipal bus route linking Mahmutbey metro station in Bağcılar to İstanbul Havalimanı, running through İkitelli and the airport's northern approach roads before terminating within the airport's service area.
H-2 (Mecidiyeköy–İstanbul Havalimanı)
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Municipal bus route connecting Mecidiyeköy's metrobüs interchange to İstanbul Havalimanı via Kağıthane and Hasdal, offering a direct link from the city's business district on the European side.
H-3 (Halkalı Marmaray–İstanbul Havalimanı)
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Municipal bus route from Halkalı Marmaray station to İstanbul Havalimanı, serving İkitelli's residential and industrial districts, including the MASKO trade centres, along the way.
H-6 (Yunus Emre Mahallesi–İstanbul Havalimanı)
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Municipal bus route from Yunus Emre Mahallesi through Arnavutköy and Taşoluk to İstanbul Havalimanı, serving the string of neighbourhoods along the airport's western approach.
H-8 (Hacıosman–İstanbul Havalimanı)
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Municipal bus route from Hacıosman in Sarıyer to İstanbul Havalimanı, running through Zekeriyaköy and the forested districts north of the city before reaching the airport.