Thailand (ภาษาไทย)
ภาษาไทย

฿11,079+ 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
7 Dec — 14 Dec1
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 7 November 2025.

Wed 24/1220:50BKK - FLR
2 stops20h 05mเอทิฮัดแอร์เวย์
Tue 30/1206:30FLR - BKK
2 stops18h 40mเอทิฮัดแอร์เวย์
Deal found 6/11฿25,754
Wed 24/1212:15BKK - FLR
1 stop28h 40mITA Airways
Tue 30/1215:00FLR - BKK
1 stop35h 10mITA Airways
Deal found 6/11฿26,856
Wed 24/1209:05BKK - FLR
1 stop31h 55mMultiple Airlines
Tue 30/1219:10FLR - BKK
2 stops33h 30mMultiple Airlines
Deal found 6/11฿31,683
Mon 22/1212:15BKK - FLR
1 stop36h 10mITA Airways
Mon 29/1215:00FLR - BKK
1 stop35h 10mITA Airways
Deal found 7/11฿32,007
Mon 22/1212:15BKK - FLR
1 stop16h 25mMultiple Airlines
Mon 29/1217:35FLR - BKK
2 stops50h 30mMultiple Airlines
Deal found 7/11฿37,352
Sat 20/1212:25BKK - FLR
1 stop16h 40mMultiple Airlines
Sat 27/1206:30FLR - BKK
2 stops41h 35mMultiple Airlines
Deal found 4/11฿38,745
Sat 20/1212:15BKK - FLR
1 stop32h 30mITA Airways
Sat 27/1219:10FLR - BKK
1 stop31h 00mITA Airways
Deal found 4/11฿42,438
Mon 22/1219:05BKK - FLR
2 stops33h 50mChina Eastern
Mon 29/1215:20FLR - BKK
2 stops39h 00mChina Eastern
Deal found 7/11฿44,350

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 7 November 2025.

Return from

฿25,754

One-way from

฿11,079
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 24/12-30/12
  • 4 total stops
  • 38h 45m 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 7 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

Wed 24/12

20:50-10:55

2 stops20h 05m

Florence Peretola

Tue 30/12

06:30-07:10

2 stops18h 40m

฿25,754

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Wed 24/12

12:15-10:55

1 stop28h 40m

Florence Peretola

Tue 30/12

15:00-08:10

1 stop35h 10m

฿26,856

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Thu 12/3

13:15-08:50

1 stop25h 35m

Florence Peretola

Mon 16/3

19:00-10:45

1 stop33h 45m

฿28,152

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Thu 12/3

23:30-18:30

2 stops25h 00m

Florence Peretola

Mon 16/3

13:15-14:50

1 stop19h 35m

฿29,253

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Wed 24/12

09:05-11:00

1 stop31h 55m

Florence Peretola

Tue 30/12

19:10-10:40

2 stops33h 30m

฿31,683

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Thu 12/3

08:55-22:40

2 stops19h 45m

Florence Peretola

Mon 16/3

19:10-18:00

2 stops16h 50m

฿34,858

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Fri 12/12

08:55-22:40

2 stops19h 45m

฿11,079

BangkokFlorence

DMK - FLR

DMKFLR

Bangkok Don Mueang Intl

Thu 8/1

21:25-22:40

3 stops31h 15m

฿14,060

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Fri 12/12

12:15-22:40

1 stop16h 25m

฿15,194

BangkokFlorence

BKK - FLR

BKKFLR

Bangkok Suvarnabhumi

Wed 7/1

02:10-16:50

2 stops44h 40m

฿15,420

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 11 results
1
2

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 23 hours 40 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 (20 hours 5 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

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?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Siena today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights to Siena for you. Better yet — we are completely free to use.

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!

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.