Jeju-Seoul Gimpo (11.6 million, up 4.6% from 2015). 2. Sapporo-Tokyo Haneda (7.7 million, down 1.2%). 3. Fukuoka-Tokyo Haneda (7.3 million, down 4%). 4. Melbourne-Tullamarine-Sydney (7.3 million, down 4.6%). 5. Hanoi-Ho Chi Minh City (6.4 million …
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