฿12,557+ Cheap flights to Siena

— BLQ
12 Oct — 19 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

Fri 23/1009:15 -
2 stops28h 15m
Fri 30/1006:25 -
2 stops28h 40m
Deal found 8/9฿26,833
Sat 7/1118:20 -
2 stops28h 30m
Sat 14/1119:00 -
2 stops30h 15m
Deal found 11/9฿27,098
Tue 10/1118:20 -
3 stops29h 45m
Sat 14/1106:50 -
2 stops26h 40m
Deal found 11/9฿28,254
Tue 10/1106:20 -
3 stops22h 30m
Sat 14/1113:10 -
3 stops26h 55m
Deal found 11/9฿28,585
Sun 25/1014:30 -
3 stops27h 40m
Sun 1/1121:00 -
3 stops28h 20m
Deal found 10/9฿28,618
Thu 19/1108:30 -
2 stops20h 10m
Mon 23/1119:00 -
2 stops17h 00m
Deal found 11/9฿29,146
Sun 22/1123:00 -
2 stops29h 40m
Thu 26/1111:25 -
2 stops26h 45m
Deal found 11/9฿33,046

Find flight deals to Siena

Return from

฿26,833

One-way from

฿12,557
23/10-30/10
  • 23/10-30/10
  • 4 total stops
  • 56h 55m total
  • Bangkok to Florence
Search Deals
5/10-31/12
  • 5/10-31/12
  • 3 total stops
  • 59h 50m 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
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

฿14,639

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 5/10

09:55-08:25

2 stops27h 30m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿15,862

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

฿18,043

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Mon 4/1

18:05-09:15

3 stops45h 10m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿18,307

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Thu 7/1

12:15-22:55

1 stop16h 40m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿21,546

BangkokFlorence

DMK Bangkok Don Mueang Intl - FLR Florence Peretola

DMKFLR

Bangkok Don Mueang Intl

Tue 5/1

18:40-22:00

3 stops33h 20m

Florence Peretola

Wed 31/12

00:00-06:00

Nonstop0h 00m

฿21,711

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

฿24,817

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Fri 23/10

09:15-08:30

2 stops28h 15m

Florence Peretola

Fri 30/10

09:15-17:05

3 stops25h 50m

฿28,518

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Sun 25/10

14:30-12:10

3 stops27h 40m

Florence Peretola

Sun 1/11

21:00-07:20

3 stops28h 20m

฿28,618

BangkokFlorence

BKK Bangkok Suvarnabhumi - FLR Florence Peretola

BKKFLR

Bangkok Suvarnabhumi

Thu 19/11

08:30-22:40

2 stops20h 10m

Florence Peretola

Mon 23/11

19:00-18:00

2 stops17h 00m

฿29,146

Flights are sorted by cheapest return flights first.

Deals found on 11/9

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 25 hours 5 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 30 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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