฿12,965+ Cheap flights to Siena

— BLQ
5 Oct — 12 Oct1
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

Thu 17/906:40 -
2 stops30h 45m
Mon 21/909:00 -
2 stops34h 10m
Deal found 4/9฿26,523
Mon 19/1012:25 -
1 stop31h 20m
Mon 26/1006:25 -
1 stop19h 45m
Deal found 4/9฿26,687
Sun 6/1208:30 -
2 stops20h 10m
Sun 13/1219:00 -
2 stops30h 15m
Deal found 3/9฿27,115
Mon 12/1023:40 -
1 stop27h 35m
Thu 29/1010:50 -
1 stop19h 30m
Deal found 1/9฿27,378
Mon 21/912:35 -
1 stop24h 45m
Mon 5/1019:45 -
1 stop33h 05m
Deal found 2/9฿27,839
Thu 5/1113:15 -
1 stop30h 40m
Sat 14/1114:45 -
2 stops35h 40m
Deal found 3/9฿27,938
Thu 5/1120:55 -
3 stops31h 55m
Sat 14/1109:50 -
3 stops25h 15m
Deal found 3/9฿28,102
Mon 19/1012:35 -
1 stop15h 00m
Mon 26/1018:55 -
2 stops31h 30m
Deal found 4/9฿28,168
Thu 15/1003:00 -
2 stops25h 05m
Fri 23/1009:10 -
3 stops27h 15m
Deal found 31/8฿28,464
Sun 22/1123:00 -
2 stops29h 40m
Thu 26/1111:25 -
2 stops26h 45m
Deal found 31/8฿32,808
Mon 12/1023:50 -
2 stops23h 25m
Thu 29/1015:30 -
2 stops22h 40m
Deal found 1/9฿134,358
Sat 14/1123:00 -
3 stops41h 40m
Thu 17/1212:15 -
2 stops25h 55m
Deal found 5/9฿145,810

Find flight deals to Siena

Return from

฿26,523

One-way from

฿12,965
17/9-21/9
  • 17/9-21/9
  • 4 total stops
  • 64h 55m total
  • Bangkok to Florence
Search Deals
4/10-31/12
  • 4/10-31/12
  • 3 total stops
  • 50h 05m 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

Sun 4/10

11:20-08:25

3 stops50h 05m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿12,965

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Sun 4/10

21:30-22:55

3 stops54h 25m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,150
Fastest return journey

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 5/10

12:25-22:40

1 stop15h 15m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,446

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 11/9

12:25-10:35

1 stop27h 10m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,742

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 4/10

03:00-21:25

2 stops23h 25m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿15,367

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 4/10

03:15-22:40

2 stops24h 25m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿16,585

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Thu 10/9

09:55-08:30

3 stops51h 35m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿16,717

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Mon 5/10

23:50-22:40

2 stops27h 50m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿17,803

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 12/10

23:40-22:15

1 stop27h 35m

Florence Peretola

Thu 29/10

10:50-12:20

1 stop19h 30m

฿27,378

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Thu 5/11

20:55-22:50

3 stops31h 55m

Florence Peretola

Sat 14/11

09:50-17:05

3 stops25h 15m

฿28,102

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 20 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 24 hours 55 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 (20 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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