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HK$2,921+ 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 21-6. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
27 Apr — 4 May1
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 28 March 2026.

Thu 7-520:10
HKG
-
FLR
2 stops20h 30m
Etihad Airways
Tue 12-519:00
FLR
-
HKG
2 stops32h 00m
Etihad Airways
Deal found 24-3HK$5,114
Fri 8-520:10
HKG
-
FLR
2 stops20h 30m
Etihad Airways
Fri 15-506:25
FLR
-
HKG
2 stops20h 35m
Etihad Airways
Deal found 23-3HK$5,130
Tue 17-1119:35
HKG
-
FLR
2 stops22h 05m
Etihad Airways
Fri 20-1106:25
FLR
-
HKG
2 stops19h 05m
Etihad Airways
Deal found 27-3HK$5,616
Fri 8-520:10
HKG
-
FLR
2 stops32h 45m
Multiple Airlines
Fri 15-519:00
FLR
-
HKG
3 stops32h 00m
Multiple Airlines
Deal found 23-3HK$6,524
Mon 20-400:55
HKG
-
FLR
2 stops26h 30m
Qatar Airways
Tue 28-406:45
FLR
-
HKG
2 stops34h 35m
Qatar Airways
Deal found 26-3HK$6,579
Fri 17-418:15
HKG
-
FLR
2 stops33h 10m
Qatar Airways
Wed 22-406:45
FLR
-
HKG
2 stops28h 00m
Qatar Airways
Deal found 26-3HK$6,634
Fri 17-418:15
HKG
-
FLR
2 stops34h 40m
Qatar Airways
Tue 28-406:45
FLR
-
HKG
2 stops34h 35m
Qatar Airways
Deal found 26-3HK$6,642
Mon 20-418:15
HKG
-
FLR
2 stops33h 10m
Qatar Airways
Wed 22-406:45
FLR
-
HKG
2 stops28h 00m
Qatar Airways
Deal found 26-3HK$6,720
Fri 17-400:55
HKG
-
FLR
2 stops28h 00m
Qatar Airways
Tue 28-406:45
FLR
-
HKG
2 stops34h 35m
Qatar Airways
Deal found 26-3HK$6,814
Sat 9-518:25
HKG
-
FLR
2 stops34h 15m
Emirates
Sat 16-519:00
FLR
-
HKG
2 stops20h 25m
Emirates
Deal found 25-3HK$6,900

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 28 March 2026.

Return from

HK$5,114

One-way from

HK$2,921

Popular in

July

Cheapest in

February

Average price

HK$7,080
Etihad Airways
  • Etihad Airways
  • 7-5-12-5
  • 4 total stops
  • 52h 30m total
  • Hong Kong to Florence
Search Deals
21-6
  • 21-6
  • 3 total stops
  • 44h 55m total
  • Hong Kong to Siena
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$1,484 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$320 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
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 28 March 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

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Thu 7-5

20:10-10:40

2 stops20h 30m

Florence Peretola

Tue 12-5

19:00-09:00

2 stops32h 00m

HK$5,114

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 8-5

20:10-10:40

2 stops20h 30m

Florence Peretola

Fri 15-5

06:25-09:00

2 stops20h 35m

HK$5,130

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 17-4

18:15-21:25

2 stops33h 10m

Florence Peretola

Wed 22-4

06:45-16:45

2 stops28h 00m

HK$6,634

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 20-4

18:15-21:25

2 stops33h 10m

Florence Peretola

Tue 28-4

06:45-23:20

2 stops34h 35m

HK$6,642

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 17-4

18:15-22:55

2 stops34h 40m

Florence Peretola

Tue 28-4

06:45-23:20

2 stops34h 35m

HK$6,642

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 20-4

18:15-21:25

2 stops33h 10m

Florence Peretola

Wed 22-4

06:45-16:45

2 stops28h 00m

HK$6,720

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Fri 17-4

00:55-22:55

2 stops28h 00m

Florence Peretola

Tue 28-4

06:45-23:20

2 stops34h 35m

HK$6,814

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Sat 9-5

18:25-22:40

2 stops34h 15m

Florence Peretola

Sat 16-5

19:00-21:25

2 stops20h 25m

HK$6,900

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Thu 7-5

20:05-23:10

2 stops33h 05m

Florence Peretola

Tue 12-5

17:35-15:25

1 stop15h 50m

HK$7,589

Hong KongFlorence

HKG - FLR

HKGFLR

Hong Kong Intl

Mon 20-4

00:05-22:40

2 stops28h 35m

Florence Peretola

Fri 24-4

11:25-21:25

2 stops28h 00m

HK$7,926

Flights are sorted by cheapest return flights first.

Deals found on 28-3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

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 20 hours 30 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 28 March 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
7.5
Good
1,906 reviews
Check prices

Overall

7.5

Crew

8.3

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.
SWISS
7.5
Good
1,906 reviews
SWISS
7.5
Good
1,906 reviews
Check prices

Overall

7.5

Crew

8.3

Entertainment

6.8

Boarding

7.7

Comfort

7.4

Food

7.1

Reviews

1 / 20
10.0
Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

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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