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HK$2,567+ Cheap flights to Siena

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28-10. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Flights to Siena in 2025

Find the latest flights to Siena in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 16 September 2025.

Return from

HK$4,286

One-way from

HK$2,567

Popular in

December

Cheapest in

May

Average price

HK$6,253
SWISS
  • SWISS
  • 3-11-18-11
  • 2 total stops
  • 32h 05m total
  • Hong Kong to Florence
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28-10
  • 28-10
  • 2 total stops
  • 59h 10m total
  • Hong Kong to Siena
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Highest demand for flights based on searches. 19% potential increase in price (HK$14,275 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 15% potential price decrease (HK$7,760 potential savings vs. average return price).
Search Deals
Average for return flights in September 2025
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Find flight deals to Siena

Cheapest flights to Siena
Explore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 16 September 2025.

Mon 3-1123:30HKG - FLR
1 stop16h 15mSWISS
Sun 16-1118:50FLR - HKG
1 stop15h 55mSWISS
Deal found 15-9HK$4,286
Mon 3-1123:30HKG - FLR
1 stop16h 15mSWISS
Mon 17-1115:00FLR - HKG
1 stop19h 45mSWISS
Deal found 15-9HK$4,457
Wed 29-1023:30HKG - FLR
1 stop16h 20mSWISS
Wed 5-1119:00FLR - HKG
1 stop15h 45mSWISS
Deal found 14-9HK$4,682
Wed 17-1223:25HKG - FLR
1 stop30h 30mMultiple Airlines
Fri 9-115:20FLR - HKG
1 stop20h 10mMultiple Airlines
Deal found 15-9HK$4,698
Sat 8-1123:30HKG - FLR
1 stop21h 35mSWISS
Sat 22-1115:00FLR - HKG
1 stop19h 45mSWISS
Deal found 15-9HK$4,791
Fri 7-1123:30HKG - FLR
1 stop16h 00mSWISS
Sat 22-1115:00FLR - HKG
1 stop19h 45mSWISS
Deal found 15-9HK$4,838
Wed 17-1223:25HKG - FLR
1 stop19h 15mKLM
Fri 9-112:20FLR - HKG
2 stops23h 10mKLM
Deal found 15-9HK$5,009
Thu 16-1008:30HKG - FLR
2 stops20h 10mMultiple Airlines
Sun 26-1015:30FLR - HKG
2 stops22h 20mMultiple Airlines
Deal found 16-9HK$5,040
Sat 8-1123:30HKG - FLR
1 stop16h 00mMultiple Airlines
Sat 22-1108:00FLR - HKG
2 stops25h 25mMultiple Airlines
Deal found 15-9HK$5,056

Cheapflights Fare Finder

 
Locate flights to Siena that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 70,647 searches and data was last updated on 16 September 2025.
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Hong Kong

Route

Departure

Return

Price

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Tue 4-11

23:30-08:50

1 stop16h 20m

Florence Peretola

Mon 17-11

15:00-17:45

1 stop19h 45m

HK$4,457

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 29-10

23:30-08:50

1 stop16h 20m

Florence Peretola

Wed 5-11

19:00-17:45

1 stop15h 45m

HK$4,682

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 17-12

23:25-22:55

1 stop30h 30m

Florence Peretola

Fri 9-1

15:20-18:30

1 stop20h 10m

HK$4,698

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 17-12

23:25-16:20

1 stop23h 55m

Florence Peretola

Fri 9-1

12:20-18:30

2 stops23h 10m

HK$5,009

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Thu 30-10

23:30-08:50

1 stop16h 20m

Florence Peretola

Thu 6-11

19:10-16:25

1 stop14h 15m

HK$5,203

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 29-10

17:50-22:40

3 stops35h 50m

Florence Peretola

Wed 5-11

19:10-13:05

3 stops34h 55m

HK$5,328

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 22-10

08:30-21:20

3 stops42h 50m

HK$2,746

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 27-10

07:50-18:05

2 stops41h 15m

HK$2,800

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sun 26-10

20:20-09:15

3 stops43h 55m

HK$2,847

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Tue 28-10

20:20-22:30

3 stops33h 10m

HK$2,878

Flights are sorted by cheapest return flights first.

Deals found on 14-9

Best time to book a flight to Siena

Have a flexible travel schedule? Discover the best time to fly to Siena with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Siena

How long is the flight to Siena?

On average, a flight from Hong Kong to Siena takes 16 hours 20 minutes. Flights to Siena from other popular cities in Hong Kong will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Siena?

The most popular airline flying from Hong Kong to Siena is SWISS.

SWISS
SWISS
From HK$579

What are the cheapest airlines that fly to Siena?

The cheapest airline flying from Hong Kong to Siena is SWISS.

Rainfall in Siena by month

Plan your trip to Siena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siena ranges from 30.0 - 100.0 mm per month. October is typically the wettest month, when rainfall can reach 100.0 mm. July is typically the driest time to visit Siena when rainfall is around 30.0 mm.

Temperature in Siena by month

Plan your trip to Siena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Siena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Siena

Get insights into the airlines that provide service to Siena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siena. Reviews last updated 16 September 2025.
See what other customers who have flown with SWISS to Italy have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,730 reviews
Check prices

Boarding

7.7

Crew

8.2

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

AMS - ZRH

Efficient, professional on board attendants. Food offering just right. On time.
SWISS
7.5
Good
1,730 reviews
SWISS
7.5
Good
1,730 reviews
Check prices

Boarding

7.7

Crew

8.2

Overall

7.5

Comfort

7.4

Entertainment

6.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

AMS - ZRH

Efficient, professional on board attendants. Food offering just right. On time.

FAQs about flying to Siena

  • Can I find cheaper flights to Siena if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Siena on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Siena?

    Based on reviews from Cheapflights users, SWISS is rated the highest out of the airlines that fly to Siena.

  • How much is a return flight to Siena?

    A return flight to Siena will typically cost around HK$136, however they can be found for as little as HK$71.

  • Does Bologna Guglielmo Marconi have rental cars?

    Yes. Those touching down at Bologna Guglielmo Marconi can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Bologna Guglielmo Marconi?

    Yes. Bologna Guglielmo Marconi has hotels nearby for those requiring accommodations. Flyon Hotel & Conference Center is the closest property to Bologna Guglielmo Marconi (0.0 km away from Bologna Guglielmo Marconi).

See more FAQs

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Cheapflights makes it easy to find Siena flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Siena?

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Can Cheapflights find flights to Siena with no change fees?

Certainly. Search results for flights to Siena shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights to Siena become cheaper?

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Siena today and book when you’re ready!

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