Thailand (ภาษาไทย)
ภาษาไทย

฿11,054+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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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 14 November 2025.

Sat 27/1209:25BKK - FLR
2 stops19h 15mMultiple Airlines
Sat 3/115:30FLR - BKK
2 stops50h 00mMultiple Airlines
Deal found 12/11฿27,215
Sat 27/1212:15BKK - FLR
1 stop16h 25mITA Airways
Sat 3/115:30FLR - BKK
1 stop34h 40mITA Airways
Deal found 12/11฿30,964
Wed 17/1220:00BKK - FLR
2 stops28h 00mMultiple Airlines
Sun 28/1206:30FLR - BKK
2 stops41h 55mMultiple Airlines
Deal found 13/11฿34,164
Tue 16/1202:55BKK - FLR
2 stops25h 45mเอทิฮัดแอร์เวย์
Sun 28/1219:10FLR - BKK
2 stops17h 35mเอทิฮัดแอร์เวย์
Deal found 13/11฿39,335

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 17,341 searches and data was last updated on 14 November 2025.

Return from

฿27,215

One-way from

฿11,054
27/12-3/1
  • 27/12-3/1
  • 4 total stops
  • 69h 15m total
  • Bangkok to Florence
Search Deals
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 12/12
  • 2 total stops
  • 19h 15m total
  • Bangkok 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 17,341 searches and data was last updated on 14 November 2025.
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Sat 27/12

09:25-22:40

2 stops19h 15m

Florence Peretola

Sat 3/1

15:30-23:30

2 stops50h 00m

฿27,215

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Sat 27/12

12:15-22:40

1 stop16h 25m

Florence Peretola

Sat 3/1

15:30-08:10

1 stop34h 40m

฿30,964

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Wed 17/12

20:00-18:00

2 stops28h 00m

Florence Peretola

Sun 28/12

06:30-06:25

2 stops41h 55m

฿34,164

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Tue 16/12

02:55-22:40

2 stops25h 45m

Florence Peretola

Sun 28/12

19:10-18:45

2 stops17h 35m

฿39,335

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Fri 12/12

09:25-22:40

2 stops19h 15m

฿11,054

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Wed 31/12

18:20-14:45

2 stops26h 25m

฿12,444

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Tue 30/12

18:20-16:50

2 stops28h 30m

฿12,735

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Fri 12/12

12:15-22:40

1 stop16h 25m

฿15,191

BangkokFlorence

DMK - FLR

DMKFLR

Bangkok Don Mueang Intl

Wed 31/12

06:45-14:45

3 stops38h 00m

฿17,098

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Thu 1/1

20:15-18:25

3 stops28h 10m

฿18,003

Flights are sorted by cheapest return flights first.

Deals found on 13/11

Showing 1-10 of 14 results
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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 Bangkok to Siena takes 25 hours 42 minutes. Flights to Siena from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

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).

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.

  • Where does the fastest flight to Siena depart from?

    For those looking to save time traveling to Siena, Bangkok offers the quickest one-way flight (18 hours 30 minutes).

  • 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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How does Cheapflights help users find flights to Siena?

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Why should you use Cheapflights to find cheap flight tickets to Siena?

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Can Cheapflights find flights to Siena with no change fees?

Yes, we can. To see specific flights to Siena with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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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