฿10,789+ Cheap flights to Siena

— BLQ
19 Oct — 26 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

Tue 10/1106:05 -
3 stops22h 45m
Sat 14/1119:00 -
2 stops22h 20m
Deal found 18/9฿24,275
Thu 8/1012:35 -
1 stop15h 00m
Tue 13/1011:20 -
1 stop15h 05m
Deal found 17/9฿26,806
Tue 10/1114:40 -
2 stops26h 00m
Sat 14/1119:00 -
2 stops22h 40m
Deal found 19/9฿27,938
Thu 19/1108:30 -
2 stops20h 10m
Mon 23/1119:00 -
2 stops17h 00m
Deal found 17/9฿29,203
Tue 10/1112:15 -
1 stop32h 30m
Sat 14/1119:00 -
1 stop31h 10m
Deal found 19/9฿29,303
Tue 10/1106:20 -
3 stops22h 30m
Sat 14/1113:10 -
3 stops26h 55m
Deal found 18/9฿29,636
Sun 22/1123:00 -
2 stops29h 40m
Thu 26/1111:25 -
2 stops26h 45m
Deal found 17/9฿33,099
Thu 8/1006:30 -
3 stops21h 10m
Tue 13/1018:20 -
3 stops24h 15m
Deal found 17/9฿33,199
Mon 21/923:50 -
2 stops22h 15m
Thu 8/1019:00 -
3 stops23h 35m
Deal found 16/9฿37,628

Find flight deals to Siena

Return from

฿24,275

One-way from

฿10,789
เอทิฮัดแอร์เวย์
  • เอทิฮัดแอร์เวย์
  • 10/11-14/11
  • 5 total stops
  • 45h 05m total
  • Bangkok to Florence
Search Deals
12/12-31/12
  • 12/12-31/12
  • 2 total stops
  • 38h 45m 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

Sat 12/12

10:25-18:05

3 stops37h 40m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿12,287

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Sat 12/12

21:15-18:05

3 stops50h 50m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿12,520

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Thu 24/9

22:45-22:30

3 stops52h 45m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿12,587

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 5/10

13:50-08:20

3 stops47h 30m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿12,853

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 25/9

11:55-08:15

3 stops49h 20m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿13,286
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

฿14,552

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 28/9

12:25-10:35

1 stop27h 10m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,851

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sat 26/9

04:40-23:05

2 stops23h 25m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿14,885

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

฿17,915

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Sat 26/9

18:00-22:40

3 stops33h 40m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿18,714

Flights are sorted by cheapest return flights first.

Deals found on 18/9

Showing 1-10 of 19 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 30 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 (22 hours 15 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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