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£66+ Cheap flights to Siena

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
7 Sep — 14 Sep1
1 adult

Flights to Siena in 2025

Find the latest flights to Siena in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 2 September 2025.

Return from

£126

One-way from

£68

Popular in

July

Cheapest in

January

Average price

£200
29/9-1/10
  • 29/9-1/10
  • 2 total stops
  • 12h 55m total
  • London to Florence
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Vueling
  • Vueling
  • 18/10
  • 1 total stop
  • 15h 10m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£33 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for return flights in September 2025
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Find flight deals to Siena

Cheapest flights to Siena
Explore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 2 September 2025.

Tue 30/920:25LGW - FLR
2 stops16h 20mMultiple Airlines
Tue 7/1006:25FLR - LGW
Nonstop2h 25mMultiple Airlines
Deal found 2/9£118
Wed 8/1008:15LGW - FLR
1 stop4h 30mMultiple Airlines
Thu 9/1007:35FLR - LGW
Nonstop2h 25mMultiple Airlines
Deal found 2/9£119
Sun 12/1021:45LGW - FLR
2 stops19h 05mMultiple Airlines
Sat 18/1006:55FLR - LGW
Nonstop2h 25mMultiple Airlines
Deal found 2/9£120
Wed 1/1008:15LGW - FLR
1 stop4h 30mMultiple Airlines
Wed 8/1006:25FLR - LGW
Nonstop2h 25mMultiple Airlines
Deal found 2/9£121
Wed 1/1016:30LGW - FLR
1 stop5h 25mVueling
Tue 7/1006:25FLR - LGW
Nonstop2h 25mVueling
Deal found 2/9£122
Mon 29/919:50LGW - FLR
Nonstop2h 15mVueling
Tue 7/1007:30FLR - LGW
1 stop6h 25mVueling
Deal found 2/9£123
Tue 9/914:30LGW - FLR
Nonstop2h 25mVueling
Wed 10/906:25FLR - LGW
Nonstop2h 25mVueling
Deal found 2/9£123
Mon 29/919:50LGW - FLR
Nonstop2h 15mMultiple Airlines
Wed 8/1018:45FLR - LGW
1 stop7h 10mMultiple Airlines
Deal found 2/9£125
Mon 29/911:35LTN - FLR
1 stop5h 15mMultiple Airlines
Wed 1/1010:35FLR - LTN
1 stop7h 40mMultiple Airlines
Deal found 2/9£126
Mon 29/919:50LGW - FLR
Nonstop2h 15mVueling
Sat 4/1006:55FLR - LGW
Nonstop2h 25mVueling
Deal found 2/9£126
Wed 1/1013:55STN - FLR
1 stop8h 00mMultiple Airlines
Wed 8/1006:15FLR - STN
1 stop5h 30mMultiple Airlines
Deal found 31/8£126
Sat 18/1021:25LTN - FLR
1 stop10h 00mMultiple Airlines
Wed 22/1022:00FLR - LTN
1 stop14h 45mMultiple Airlines
Deal found 2/9£126

Cheapflights Fare Finder

 
Locate flights to Siena that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 2 September 2025.
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Tue 7/10

16:15-22:55

1 stop5h 40m

Florence Peretola

Sun 12/10

06:25-07:50

Nonstop2h 25m

£118

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Mon 23/2

09:50-13:05

Nonstop2h 15m

Florence Peretola

Wed 25/2

14:50-19:10

1 stop5h 20m

£120

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sun 12/10

21:45-17:50

2 stops19h 05m

Florence Peretola

Sat 18/10

06:55-08:20

Nonstop2h 25m

£120

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Wed 15/10

06:55-22:30

1 stop14h 35m

Florence Peretola

Tue 21/10

21:55-14:20

2 stops17h 25m

£121

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Wed 1/10

08:15-13:45

1 stop4h 30m

Florence Peretola

Thu 2/10

07:35-09:00

Nonstop2h 25m

£121

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Wed 8/10

15:00-18:25

Nonstop2h 25m

Florence Peretola

Thu 9/10

07:35-09:00

Nonstop2h 25m

£122

LondonFlorence

STN - FLR

STNFLR

London Stansted

Sun 22/2

08:30-11:45

Nonstop2h 15m

Florence Peretola

Sat 28/2

15:15-16:30

Nonstop2h 15m

£123

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sun 2/11

21:05-17:50

2 stops19h 45m

Florence Peretola

Fri 7/11

12:55-14:15

Nonstop2h 20m

£123

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sun 21/9

08:40-12:00

Nonstop2h 20m

Florence Peretola

Tue 30/9

06:25-07:50

Nonstop2h 25m

£126

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Thu 30/10

19:55-23:05

Nonstop2h 10m

Florence Peretola

Mon 3/11

07:50-09:10

Nonstop2h 20m

£126

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 60 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Siena

When is the best time to book a flight to Siena?

Use this chart to determine the optimal time to book a return flight from London to Siena. Price data was last updated on 29 August 2025.

The best time to book flights to Siena is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

How long is the flight to Siena?

On average, a flight from London to Siena takes 3 hours 1 minute. Flights to Siena from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Siena?

Use this chart to determine the cheapest time to fly return from London to Siena. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Siena should consider flying on Wednesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Saturday evenings, when prices are usually at their highest.

What are the most popular airlines that fly to Siena?

The most popular airlines flying from London to Siena are Vueling, British Airways and Lufthansa.

Vueling
Vueling
From £76
British Airways
British Airways
From £182
KLM
KLM
From £113
Lufthansa
Lufthansa
From £181

What are the cheapest airlines that fly to Siena?

The cheapest airlines flying from London to Siena are easyJet, Ryanair and Vueling.

Rainfall in Siena by month

Plan your trip to Siena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Siena ranges from 30.0 - 100.0 inches 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

Plan your trip to Siena by taking into account the average temperature totals 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).

Reviews of airlines servicing Siena

Get insights into the airlines that provide service to Siena. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siena. Reviews last updated 2 September 2025.
See what other customers who have flown with Vueling, easyJet, andLufthansa to Italy have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Vueling
7.1
Good
1,182 reviews
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
easyJet
6.9
Okay
1,819 reviews
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Lufthansa
6.8
Okay
7,385 reviews
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
Ryanair
6.8
Okay
5,157 reviews
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.
British Airways
6.7
Okay
7,344 reviews
Vueling
7.1
Good
1,182 reviews
Check prices

Boarding

7.1

Entertainment

5.8

Crew

7.7

Overall

7.1

Food

6.1

Comfort

6.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

BCN - DUB

My tv was not working and I had to switch seats 3 times. Other than that excellent experience.

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.

  • What is the best airline to fly to Siena?

    Based on reviews from Cheapflights users, Ryanair is rated the highest out of the airlines that fly to Siena.

  • How much is a return flight to Siena?

    A return flight to Siena will typically cost around £96, however they can be found for as little as £43.

  • Where does the fastest flight to Siena depart from?

    For those looking to save time traveling to Siena, London offers the quickest one-way flight (2 hours 5 minutes).

  • Does Bologna Guglielmo Marconi have car hire?

    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. Flyon Hotel & Conference Center is the closest property to Bologna Guglielmo Marconi (0.0 mi away from Bologna Guglielmo Marconi).

See more FAQs

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