฿14,453+ Cheap flights to Siena

— BLQ
15 Dec — 22 Dec1
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

Wed 18/1102:00 -
2 stops22h 15m
Mon 23/1115:30 -
2 stops21h 10m
Deal found 13/11฿31,072
Thu 19/1112:15 -
1 stop28h 25m
Mon 23/1111:25 -
1 stop14h 45m
Deal found 13/11฿37,064

Find flight deals to Siena

Return from

฿23,727

One-way from

฿14,453
ลุฟท์ฮันซ่า
  • ลุฟท์ฮันซ่า
  • 7/2-15/2
  • 3 total stops
  • 57h 00m total
  • Bangkok to Florence
Search Deals
22/1-31/12
  • 22/1-31/12
  • 2 total stops
  • 30h 00m total
  • Bangkok to Siena
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 22/1

18:05-18:05

2 stops30h 00m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,453

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 7/2

16:45-09:40

2 stops22h 55m

Florence Peretola

Mon 15/2

14:20-15:30

2 stops19h 10m

฿24,337

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Wed 20/1

13:15-08:55

1 stop25h 40m

Florence Peretola

Wed 27/1

14:45-08:25

2 stops35h 40m

฿24,844

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 12/2

23:30-16:20

1 stop22h 50m

Florence Peretola

Wed 17/2

14:20-22:10

2 stops25h 50m

฿26,232
Fastest return journey

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Wed 6/1

23:40-18:30

1 stop24h 50m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿26,740

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Tue 22/12

01:35-10:40

2 stops39h 05m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿28,838

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 30/4

12:30-22:40

1 stop15h 10m

Florence Peretola

Wed 5/5

17:15-13:45

1 stop15h 30m

฿29,515

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 30/4

12:35-22:35

1 stop15h 00m

Florence Peretola

Thu 6/5

17:15-13:45

1 stop15h 30m

฿29,583

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 30/4

12:35-22:35

1 stop15h 00m

Florence Peretola

Thu 6/5

15:00-20:00

2 stops24h 00m

฿30,159

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 30/4

12:35-22:35

1 stop15h 00m

Florence Peretola

Wed 5/5

19:45-20:00

2 stops19h 15m

฿30,159

Flights are sorted by cheapest return flights first.

Deals found on 14/11

Showing 1-10 of 13 resultsSorted by cheapest first
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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

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 22 hours 20 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

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

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 (21 hours 45 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. Fly On Hotel is the closest property to Bologna Guglielmo Marconi (0.0 km away from Bologna Guglielmo Marconi).

See more FAQs

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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.

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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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