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HK$3,387+ Cheap flights to Siena

— BLQ
22 Sep — 29 Sep1
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

Wed 4-1123:30 -
1 stop16h 20m
Thu 26-1114:45 -
1 stop19h 50m
Deal found 21-8HK$4,382
Tue 3-1123:30 -
1 stop25h 40m
Thu 26-1114:45 -
1 stop19h 50m
Deal found 21-8HK$4,500
Mon 14-923:05 -
1 stop16h 55m
Mon 21-919:45 -
1 stop14h 50m
Deal found 22-8HK$4,649
Tue 22-1223:45 -
1 stop16h 55m
Mon 1-318:55 -
1 stop15h 40m
Deal found 21-8HK$4,845
Wed 4-1123:30 -
1 stop16h 20m
Thu 26-1113:10 -
2 stops20h 20m
Deal found 21-8HK$4,954
Wed 4-1123:30 -
1 stop16h 20m
Sat 28-1114:45 -
1 stop19h 50m
Deal found 20-8HK$5,174
Mon 5-1023:05 -
1 stop15h 15m
Mon 12-1019:45 -
1 stop14h 50m
Deal found 21-8HK$5,244

Find flight deals to Siena

Return from

HK$4,382

One-way from

HK$3,387
SWISS
  • SWISS
  • 4-11-26-11
  • 2 total stops
  • 36h 10m total
  • Hong Kong to Florence
Search Deals
23-10
  • 23-10
  • 2 total stops
  • 34h 20m total
  • Hong Kong to Siena
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

Tue 22-12

23:45-09:40

1 stop16h 55m

Florence Peretola

Mon 1-3

18:55-17:35

1 stop15h 40m

HK$5,143

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Tue 22-12

22:45-12:25

2 stops20h 40m

Florence Peretola

Mon 1-3

17:05-18:45

2 stops18h 40m

HK$6,099
Fastest return journey

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sun 4-10

23:25-09:40

1 stop16h 15m

Florence Peretola

Sun 11-10

19:45-16:35

1 stop14h 50m

HK$6,757

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 3-10

23:05-10:00

1 stop16h 55m

Florence Peretola

Sat 10-10

06:30-16:35

1 stop28h 05m

HK$7,063
Cheapest one-way

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Fri 23-10

17:05-21:25

2 stops34h 20m

HK$3,387

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Fri 23-10

23:05-18:55

1 stop25h 50m

HK$3,873

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 26-9

17:05-22:30

2 stops35h 25m

HK$5,966

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 26-9

21:30-22:40

3 stops31h 10m

HK$6,608
Fastest single journey

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 26-9

22:20-08:55

1 stop16h 35m

HK$8,419

Hong KongFlorence

HKG Hong Kong Intl - FLR Florence Peretola

HKGFLR

Hong Kong Intl

Sat 26-9

22:45-11:30

1 stop18h 45m

HK$8,913

Flights are sorted by cheapest return flights first.

Deals found on 22-8

Sorted by cheapest first

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 15 hours 15 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$4,669

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
2,049 reviews
Check prices

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.3

Entertainment

6.8

Boarding

7.7

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
2,049 reviews
SWISS
7.5
Good
2,049 reviews
Check prices

Food

7.1

Overall

7.5

Comfort

7.4

Crew

8.3

Entertainment

6.8

Boarding

7.7

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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