Cheap Flights from Hong Kong (HKG) to Chiayi (CYI)

Popular airlines from Hong Kong International Airport (HKG) to Chiayi (CYI)

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Flights from Hong Kong (HKG) to Chiayi (CYI)
Origin airport
Hong Kong Intl.
Destination airport
Chiayi
Distance
418 mi

Hong Kong to Chiayi Flights

The cheapest times to fly from Hong Kong to Chiayi

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hong Kong to Chiayi are during the month of . You can find some of the cheapest flights from Hong Kong to Chiayi with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hong Kong to Chiayi

Sunday is one of the best days to book for cheap flights from Hong Kong to Chiayi: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hong Kong to Chiayi

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hong Kong to Chiayi in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hong Kong to Chiayi flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hong Kong to Chiayi airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI) cost?
Discover the latest flight deals from HKG to CYI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from HKG to CYI?
The cheapest flights from HKG to CYI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from HKG to CYI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HKG to CYI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI)?
You'll need to book a flight with a layover if you're traveling from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from HKG to CYI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI)?
To land at Chiayi Airport (CYI) on time, book a flight that leaves from Hong Kong Intl. Airport (HKG) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI) last-minute?
Last-minute bookings from HKG to CYI are generally more expensive. To lock in the cheapest rates, start searching for flights early. That said, if your travel plans are flexible, it's possible to score a cheap fare right before your trip.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Chiayi Airport (CYI)?
If you reserved your HKG to CYI flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Explore a world of travel with Expedia

*Available to One Key members.