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HK$3,305+ 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 24-6. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
7 Jun — 14 Jun1
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
Explore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 8 May 2026.

Tue 12-523:05
HKG
-
FLR
1 stop15h 50m
SWISS
Tue 19-519:45
FLR
-
HKG
1 stop14h 50m
SWISS
Deal found 4-5HK$4,903
Mon 29-620:10
HKG
-
FLR
2 stops20h 30m
Etihad Airways
Fri 3-706:25
FLR
-
HKG
2 stops20h 35m
Etihad Airways
Deal found 6-5HK$5,647
Tue 12-523:25
HKG
-
FLR
1 stop16h 15m
Lufthansa
Tue 19-517:15
FLR
-
HKG
2 stops16h 05m
Lufthansa
Deal found 4-5HK$5,858
Sun 21-623:05
HKG
-
FLR
1 stop25h 50m
Multiple Airlines
Sun 28-614:20
FLR
-
HKG
1 stop19h 00m
Multiple Airlines
Deal found 7-5HK$6,344
Sun 21-620:10
HKG
-
FLR
2 stops20h 30m
Etihad Airways
Sun 28-606:25
FLR
-
HKG
2 stops20h 35m
Etihad Airways
Deal found 7-5HK$6,814
Fri 19-623:05
HKG
-
FLR
1 stop25h 50m
Multiple Airlines
Fri 26-614:40
FLR
-
HKG
1 stop18h 40m
Multiple Airlines
Deal found 5-5HK$7,010
Mon 29-621:30
HKG
-
FLR
3 stops26h 45m
Emirates
Fri 3-719:00
FLR
-
HKG
2 stops21h 05m
Emirates
Deal found 6-5HK$7,111
Sun 21-621:30
HKG
-
FLR
3 stops31h 10m
Emirates
Sun 28-619:00
FLR
-
HKG
2 stops21h 05m
Emirates
Deal found 7-5HK$7,299
Tue 12-520:10
HKG
-
FLR
2 stops32h 30m
Multiple Airlines
Tue 19-519:45
FLR
-
HKG
2 stops31h 15m
Multiple Airlines
Deal found 4-5HK$7,746
Fri 19-620:10
HKG
-
FLR
2 stops24h 35m
Etihad Airways
Fri 26-606:25
FLR
-
HKG
2 stops20h 35m
Etihad Airways
Deal found 5-5HK$8,200

Find flight deals to Siena

Find the latest flights to Siena in 2026, 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 8 May 2026.

Return from

HK$5,647

One-way from

HK$3,305
Etihad Airways
  • Etihad Airways
  • 29-6-3-7
  • 4 total stops
  • 41h 05m total
  • Hong Kong to Florence
Search Deals
24-6
  • 24-6
  • 3 total stops
  • 38h 05m total
  • Hong Kong to Siena
Search Deals

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 8 May 2026.
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
Fastest return journey

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 29-6

20:10-10:40

2 stops20h 30m

Florence Peretola

Fri 3-7

06:25-09:00

2 stops20h 35m

HK$5,647

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 29-6

21:30-18:15

3 stops26h 45m

Florence Peretola

Fri 3-7

19:00-22:05

2 stops21h 05m

HK$7,111

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 19-6

20:55-17:05

2 stops26h 10m

Florence Peretola

Fri 26-6

14:40-15:20

1 stop18h 40m

HK$10,064

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 25-9

13:55-22:45

2 stops38h 50m

Florence Peretola

Tue 6-10

12:40-12:45

2 stops42h 05m

HK$11,254
Cheapest one-way

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 24-6

17:30-17:05

2 stops29h 35m

HK$3,595

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sat 26-9

20:10-22:40

2 stops32h 30m

HK$4,597
Fastest single journey

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Wed 24-6

23:05-18:55

1 stop25h 50m

HK$4,989

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sat 26-9

22:45-22:20

1 stop29h 35m

HK$6,250

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sat 26-9

08:55-18:15

2 stops39h 20m

HK$6,587

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sat 26-9

21:30-22:40

3 stops31h 10m

HK$6,618

Flights are sorted by cheapest return flights first.

Deals found on 5-5

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
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 25 hours 50 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$4,542

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 8 May 2026.
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
7.6
Good
1,937 reviews
Check prices

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.6

Comfort

7.4

Entertainment

6.8

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
7.6
Good
1,937 reviews
SWISS
7.6
Good
1,937 reviews
Check prices

Boarding

7.7

Crew

8.3

Food

7.1

Overall

7.6

Comfort

7.4

Entertainment

6.8

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$634, however they can be found for as little as HK$606.

  • 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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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.

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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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