A row of colorful buildings reflected in calm water during twilight.

Cheap Flights to Thanh Oai from HK$382

View HK$382 flight on Sun, 15 Nov 2026Opens in a new window

Flight 1

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Thanh Oai

Prices were available within the past 7 days and start at HK$382 for one-way flights and HK$872 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietjet Air
Jeju Air with Bag
FlexFlight
Vietnam Airlines
Ethiopian Airlines

Travel information

Destination airport
Noi Bai Intl.
Destination airport IATA code
HAN
Destination city name
Hanoi
Roundtrip price
HK$872

Trending flights to Thanh Oai

Prices were available within the past 7 days and start at HK$382 for one-way flights and HK$872 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

HK Express
*Available to Expedia members.