$648 Cheap Flights from Hong Kong (HKG) to Olbia (OLB)

View $648 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Costa Smeralda Airport (OLB)

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Cheap Flights from Hong Kong to Olbia (HKG-OLB)

Prices were available within the past 7 days and start at $648 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB) cost?
Secure a cheap one-way flight from $648 or cheap return flight from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between HKG and OLB. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB)?
To find the cheapest airline flying from HKG to OLB, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB)?
There aren't any daily nonstop flights available from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from HKG to OLB?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary depending on various factors, such as the carrier and season.*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 Costa Smeralda Airport (OLB)?
To touch down at Costa Smeralda Airport (OLB) on schedule, choose a flight that takes off from Hong Kong Intl. Airport (HKG) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Costa Smeralda Airport (OLB) last-minute?
Last-minute fares from HKG to OLB are generally more expensive. For the lowest rates, start searching for flights well in advance. That being said, if you can play around with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a HKG to OLB flight and hotel package?
You'll generally save money by securing a HKG to OLB flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Hong Kong Intl. Airport (HKG) to Costa Smeralda Airport (OLB)?
In most instances, you can cancel or reschedule your HKG to OLB flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want more information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Costa Smeralda
Distance
5922 mi

Book with confidence

Book with confidence

Hong Kong to Olbia Flights

The cheapest times to fly from Hong Kong to Olbia

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 Olbia are during the month of . You can find some of the cheapest flights from Hong Kong to Olbia with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Hong Kong to Olbia: 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 Olbia

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 Olbia in 2025. You can also book with separate airlines for your outbound and return journeys, from $648 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 Olbia 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 Olbia 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.

 

Hong Kong to Olbia Flights

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*Available to One Key members.