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HK$2,785+ Cheap flights to Siena

— BLQ
19 Oct — 26 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Siena in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Siena

Mon 16-1123:30 -
1 stop25h 45m
Wed 25-1118:55 -
1 stop15h 40m
Deal found 15-9HK$4,378
Tue 17-1123:30 -
1 stop25h 40m
Wed 25-1114:45 -
1 stop19h 50m
Deal found 15-9HK$4,456
Mon 16-1123:30 -
1 stop21h 20m
Wed 25-1113:10 -
2 stops20h 20m
Deal found 15-9HK$4,934
Mon 2-1123:30 -
1 stop16h 25m
Mon 9-1114:20 -
1 stop19h 10m
Deal found 18-9HK$4,966
Tue 22-1223:45 -
1 stop16h 55m
Mon 1-318:55 -
1 stop15h 40m
Deal found 18-9HK$5,115
Tue 22-1223:30 -
1 stop16h 25m
Mon 1-318:55 -
1 stop15h 40m
Deal found 16-9HK$5,295
Mon 16-1119:35 -
2 stops22h 05m
Wed 25-1106:25 -
2 stops19h 05m
Deal found 15-9HK$5,735

Find flight deals to Siena

Return from

HK$4,378

One-way from

HK$4,683

Popular in

June

Cheapest in

February

Average price

HK$8,018
SWISS
  • SWISS
  • 16-11-25-11
  • 2 total stops
  • 41h 25m total
  • Hong Kong to Florence
Search Deals
24-9-31-12
  • 24-9-31-12
  • 3 total stops
  • 50h 05m total
  • Hong Kong to Siena
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (HK$1,250 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$275 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Wed 21-10

23:05-14:10

1 stop21h 05m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$2,965
Fastest return journey

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 24-10

00:10-09:45

1 stop15h 35m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$3,154

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Thu 22-10

20:05-08:30

2 stops42h 25m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$3,389

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 24-10

23:25-10:40

1 stop17h 15m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,660

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Thu 24-9

12:25-08:30

3 stops50h 05m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$4,683

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Mon 16-11

23:30-13:50

1 stop21h 20m

Florence Peretola

Wed 25-11

13:10-16:30

2 stops20h 20m

HK$4,934

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Mon 2-11

23:30-13:50

1 stop21h 20m

Florence Peretola

Mon 9-11

17:00-16:30

2 stops16h 30m

HK$5,515

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 26-9

10:10-21:55

3 stops41h 45m

Florence Peretola

Wed 31-12

00:00-07:00

Nonstop0h 00m

HK$5,570

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Tue 22-12

23:30-08:55

1 stop16h 25m

Florence Peretola

Mon 1-3

17:00-16:30

2 stops16h 30m

HK$5,633

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sun 1-11

23:30-18:10

1 stop25h 40m

Florence Peretola

Sun 8-11

18:45-17:35

1 stop15h 50m

HK$6,158

Flights are sorted by cheapest return flights first.

Deals found on 14-9

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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

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 25 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$4,673

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

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

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

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
2,076 reviews
Check prices

Boarding

7.7

Food

7.1

Crew

8.2

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.
SWISS
7.5
Good
2,076 reviews
SWISS
7.5
Good
2,076 reviews
Check prices

Boarding

7.7

Food

7.1

Crew

8.2

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
6.0
Good

CFJ,Mar 2026

ZRH - VCE

Swiss International Airlines is heading towards becoming a budget carrier. The seats are in comfortable and have absolutely no recline. The crew are friendly, but offer a few services. At least they all line is usually punctual.

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$635, however they can be found for as little as HK$607.

  • 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. Fly On Hotel is the closest property to Bologna Guglielmo Marconi (0.0 km away from Bologna Guglielmo Marconi).

See more FAQs

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