Find flights
Airlines

$959+ 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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
30 nov — 7 dic1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Siena

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 31 ottobre 2025.

dom 14/1220:40SYD - FLR
2 stops31h 50mMultiple Airlines
dom 21/1209:35FLR - SYD
2 stops35h 20mMultiple Airlines
Deal found 29/10$2,347
mer 31/1215:55SYD - FLR
2 stops30h 40mMultiple Airlines
ven 28/819:15FLR - SYD
2 stops25h 55mMultiple Airlines
Deal found 29/10$2,459
ven 19/1221:30SYD - FLR
2 stops47h 25mEtihad Airways
ven 9/106:30FLR - SYD
2 stops25h 25mEtihad Airways
Deal found 29/10$4,273
ven 19/1212:00SYD - FLR
2 stops30h 55mMultiple Airlines
ven 9/117:00FLR - SYD
3 stops28h 30mMultiple Airlines
Deal found 29/10$5,156

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 647,157 searches and data was last updated on 31 ottobre 2025.

Return from

$1,602

One-way from

$959

Popular in

January

Cheapest in

October

Average price

$1,433
Etihad Airways
  • Etihad Airways
  • 10/3-14/3
  • 4 total stops
  • 57h 25m total
  • Sydney to Florence
Search Deals
29/11
  • 29/11
  • 3 total stops
  • 57h 15m total
  • Sydney to Siena
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($753 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($149 potential savings vs. average return price).
Search Deals
Average for return flights in October 2025
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 647,157 searches and data was last updated on 31 ottobre 2025.
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyFlorence

SYD - FLR

SYDFLR

Sydney Kingsford Smith

mar 10/3

21:30-22:40

2 stops35h 10m

Florence Peretola

sab 14/3

11:40-06:35

2 stops32h 55m

$1,605

SydneyFlorence

SYD - FLR

SYDFLR

Sydney Kingsford Smith

dom 14/12

20:40-18:30

2 stops31h 50m

Florence Peretola

dom 21/12

09:35-06:55

2 stops35h 20m

$2,347

SydneyFlorence

SYD - FLR

SYDFLR

Sydney Kingsford Smith

mer 31/12

15:55-12:35

2 stops30h 40m

Florence Peretola

ven 28/8

19:15-05:10

2 stops25h 55m

$2,459

SydneyFlorence

SYD - FLR

SYDFLR

Sydney Kingsford Smith

mer 8/4

20:30-22:40

2 stops34h 10m

Florence Peretola

lun 13/4

13:50-09:20

3 stops35h 30m

$2,549

SydneyFlorence

SYD - FLR

SYDFLR

Sydney Kingsford Smith

sab 29/11

17:35-16:50

3 stops57h 15m

$959

Flights are sorted by cheapest return flights first.

Deals found on 29/10

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 Sydney to Siena takes 28 hours 20 minutes. Flights to Siena from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Siena?

Use this chart to determine the cheapest time to fly return from Sydney to Siena. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Siena should consider flying on Monday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday afternoons, when prices are usually at their highest.

What are the most popular airlines that fly to Siena?

The most popular airlines flying from Sydney to Siena are Etihad Airways and SWISS.

Etihad Airways
Etihad Airways
From $1,432
SWISS
SWISS
From $1,599

What are the cheapest airlines that fly to Siena?

The cheapest airlines flying from Sydney to Siena are Etihad Airways and 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 31 ottobre 2025.
Read through reviews of airlines serving Italy, such as SWISS and Etihad Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,777 reviews
Check prices

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
SWISS
7.5
Good
1,777 reviews
SWISS
7.5
Good
1,777 reviews
Check prices

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Etihad Airways
7.4
Good
1,284 reviews
SWISS
7.5
Good
1,777 reviews
Check prices

Comfort

7.4

Entertainment

6.8

Food

7.1

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.

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, Turkish Airlines is rated the highest out of the airlines that fly to Siena.

  • Where does the fastest flight to Siena depart from?

    For those looking to save time traveling to Siena, Sydney Kingsford Smith offers the quickest one-way flight (28 hours 20 minutes).

  • Does Bologna Guglielmo Marconi have car hire?

    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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Siena by cabin class

Find flights to Siena, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Siena?

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?

Cheapflights helps you find that perfect flight to Siena by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Siena with no change fees?

Need flexible booking options for your flight to Siena ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.