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Cambodia Opens $2 Billion Techo International Airport, Replacing Phnom Penh’s Old Hub

The new hub launches with capacity for 13 million passengers a year, targeting 50 million by 2050.

Passengers line up to check-in for their flights at the Techo International Airport on the outskirts of Phnom Penh, Cambodia, Tuesday, Sept. 9,2025. (AP Photo/Heng Sinith)
The first commercial flight that arrived is welcomed with water cannons, during the official opening of Techo International Airport on the outskirts of Phnom Penh, Cambodia, Tuesday, Sept. 9, 2025. (AP Photo/Heng Sinith)
Tourists arrive to check in for their flights at the Techo International Airport on the outskirts of Phnom Penh, Cambodia, Tuesday, Sept. 9,2025. (AP Photo/Heng Sinith)
Cabin crew of the first commercial flight that landed receive flowers from government officials at the Techo International Airport during its official opening on the outskirts of Phnom Penh, Cambodia, Tuesday, Sept. 9,2025. (AP Photo/Heng Sinith)

Overview

  • The first commercial flight, an Air Cambodia service from China, received a water salute as the terminal welcomed inaugural passengers.
  • The project is a joint venture between the government and OCIC via CAIC, with design by Foster + Partners and construction by China Construction Third Engineering Bureau.
  • Civil aviation officials put the initial phase cost at about $2 billion, up from an earlier $1.5 billion estimate.
  • Phnom Penh’s former international airport has closed to regular commercial traffic and will be kept for military use and emergencies.
  • NGO STT says roughly 2,000 households were displaced or faced eviction during construction, while officials say disputes are almost resolved.