฿12,612+ Cheap flights to Siena

— BLQ
19 Sep — 26 Sep1
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

Mon 12/1003:15 -
2 stops34h 05m
Thu 22/1007:00 -
2 stops29h 25m
Deal found 19/8฿22,827
Mon 7/923:40 -
1 stop27h 15m
Mon 21/907:00 -
1 stop26h 50m
Deal found 16/8฿25,323
Sun 6/903:15 -
3 stops34h 10m
Mon 21/913:50 -
2 stops29h 20m
Deal found 16/8฿25,454
Mon 7/912:35 -
1 stop15h 00m
Sun 13/906:30 -
1 stop22h 20m
Deal found 17/8฿25,947
Fri 2/1012:35 -
1 stop15h 00m
Fri 9/1006:30 -
1 stop22h 20m
Deal found 17/8฿26,932
Fri 2/1020:45 -
3 stops31h 10m
Fri 9/1009:10 -
3 stops27h 15m
Deal found 17/8฿27,458
Sun 27/915:55 -
2 stops23h 40m
Wed 21/1006:25 -
2 stops36h 30m
Deal found 18/8฿27,951
Sun 6/903:15 -
2 stops24h 25m
Sun 13/908:40 -
2 stops34h 30m
Deal found 17/8฿27,983
Wed 4/1123:00 -
2 stops29h 40m
Sun 8/1115:30 -
2 stops22h 40m
Deal found 16/8฿30,775
Sun 27/923:50 -
2 stops23h 25m
Wed 21/1019:00 -
2 stops20h 45m
Deal found 18/8฿30,907
Sun 22/1123:00 -
2 stops29h 40m
Thu 26/1111:25 -
2 stops26h 45m
Deal found 18/8฿32,844

Find flight deals to Siena

Return from

฿22,827

One-way from

฿12,612
12/10-22/10
  • 12/10-22/10
  • 4 total stops
  • 63h 30m total
  • Bangkok to Florence
Search Deals
26/9
  • 26/9
  • 3 total stops
  • 48h 15m 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

Mon 12/10

03:15-08:20

2 stops34h 05m

Florence Peretola

Thu 22/10

07:00-17:25

2 stops29h 25m

฿22,827

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 6/9

03:15-08:25

3 stops34h 10m

Florence Peretola

Mon 21/9

13:50-00:10

2 stops29h 20m

฿25,454

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Wed 30/9

15:55-22:40

2 stops35h 45m

Florence Peretola

Wed 21/10

06:25-23:55

2 stops36h 30m

฿27,951

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 6/9

03:15-22:40

2 stops24h 25m

Florence Peretola

Sun 13/9

08:40-00:10

2 stops34h 30m

฿27,983

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 28/9

21:00-22:40

2 stops30h 40m

Florence Peretola

Wed 21/10

06:25-23:55

2 stops36h 30m

฿28,312
Fastest return journey

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 4/10

12:35-22:35

1 stop15h 00m

Florence Peretola

Sun 11/10

11:20-07:25

1 stop15h 05m

฿29,888

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Wed 4/11

23:00-22:40

2 stops29h 40m

Florence Peretola

Sun 8/11

15:30-20:10

2 stops22h 40m

฿30,775

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Sun 27/9

23:50-18:15

2 stops23h 25m

Florence Peretola

Wed 21/10

19:00-20:45

2 stops20h 45m

฿30,907

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 2/11

02:00-18:15

2 stops22h 15m

Florence Peretola

Sat 7/11

15:30-18:40

2 stops21h 10m

฿31,432

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Sun 22/11

23:00-22:40

2 stops29h 40m

Florence Peretola

Thu 26/11

11:25-20:10

2 stops26h 45m

฿32,844

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 22 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 21 hours 17 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 (19 hours 10 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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