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£63+ 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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Return from

£107

One-way from

£63

Popular in

July

Cheapest in

January

Average price

£203
Vueling
  • Vueling
  • 20/11-23/11
  • Nonstop
  • 4h 25m total
  • London to Florence
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8/10
  • 8/10
  • 1 total stop
  • 24h 45m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£29 potential increase over avg. return price).
Search Deals
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 16 September 2025.

Thu 20/1115:20LGW - FLR
Nonstop2h 10mVueling
Sun 23/1118:00FLR - LGW
Nonstop2h 15mVueling
Deal found 15/9£107
Mon 13/1019:50LGW - FLR
Nonstop2h 15mVueling
Sat 18/1006:55FLR - LGW
Nonstop2h 25mVueling
Deal found 15/9£107
Tue 23/919:40LGW - FLR
Nonstop2h 20mVueling
Thu 25/907:35FLR - LGW
Nonstop2h 25mVueling
Deal found 15/9£108
Mon 3/1114:55LGW - FLR
Nonstop2h 10mVueling
Tue 4/1118:30FLR - LGW
1 stop5h 50mVueling
Deal found 14/9£109
Tue 14/1019:40LGW - FLR
Nonstop2h 20mVueling
Sun 19/1006:25FLR - LGW
Nonstop2h 25mVueling
Deal found 14/9£110
Sun 21/908:40LGW - FLR
Nonstop2h 20mVueling
Tue 30/906:25FLR - LGW
Nonstop2h 25mVueling
Deal found 14/9£110
Sat 8/1119:55LGW - FLR
Nonstop2h 10mVueling
Sat 15/1113:15FLR - LGW
1 stop6h 30mVueling
Deal found 14/9£111
Sun 28/908:40LGW - FLR
Nonstop2h 20mVueling
Wed 1/1006:25FLR - LGW
Nonstop2h 25mVueling
Deal found 14/9£112
Wed 1/1016:30LGW - FLR
1 stop5h 25mVueling
Wed 8/1006:25FLR - LGW
Nonstop2h 25mVueling
Deal found 14/9£113
Sat 11/1017:15LTN - FLR
1 stop14h 30mMultiple Airlines
Wed 15/1006:15FLR - LTN
1 stop12h 50mMultiple Airlines
Deal found 15/9£113
Mon 6/1019:50LGW - FLR
Nonstop2h 15mMultiple Airlines
Wed 8/1006:15FLR - LGW
1 stop10h 50mMultiple Airlines
Deal found 14/9£113
Mon 6/1006:00LTN - FLR
1 stop15h 05mMultiple Airlines
Wed 8/1006:15FLR - LTN
1 stop12h 50mMultiple Airlines
Deal found 15/9£114

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 16 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

LTN - FLR

LTNFLR

London Luton

Sat 11/10

17:15-08:45

1 stop14h 30m

Florence Peretola

Wed 15/10

06:15-18:05

1 stop12h 50m

£113

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 4/10

17:15-08:45

1 stop14h 30m

Florence Peretola

Wed 15/10

06:15-18:05

1 stop12h 50m

£120

LondonFlorence

SEN - FLR

SENFLR

London Southend

Mon 3/11

17:30-21:00

2 stops26h 30m

Florence Peretola

Wed 5/11

21:00-12:00

1 stop16h 00m

£120

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sun 5/10

18:55-22:15

Nonstop2h 20m

Florence Peretola

Thu 9/10

07:05-08:30

Nonstop2h 25m

£121

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Thu 16/10

07:25-21:20

1 stop12h 55m

Florence Peretola

Sun 19/10

06:25-07:50

Nonstop2h 25m

£122

LondonFlorence

STN - FLR

STNFLR

London Stansted

Sat 11/10

06:40-17:35

1 stop9h 55m

Florence Peretola

Wed 15/10

06:15-10:45

1 stop5h 30m

£122

LondonFlorence

STN - FLR

STNFLR

London Stansted

Sun 9/11

08:30-11:45

Nonstop2h 15m

Florence Peretola

Sat 15/11

15:15-16:30

Nonstop2h 15m

£123

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 7/10

06:00-08:35

2 stops25h 35m

Florence Peretola

Wed 22/10

06:15-18:05

1 stop12h 50m

£124

LondonFlorence

STN - FLR

STNFLR

London Stansted

Tue 7/10

22:05-08:35

1 stop9h 30m

Florence Peretola

Wed 22/10

14:50-23:20

1 stop9h 30m

£125

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Wed 1/10

11:40-22:55

2 stops10h 15m

Florence Peretola

Wed 8/10

06:15-18:05

1 stop12h 50m

£127

Flights are sorted by cheapest return flights first.

Deals found on 15/9

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 12 September 2025.

The best time to book flights to Siena is 60 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 2 hours 59 minutes. 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 £180

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 16 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
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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
1,185 reviews
Vueling
7.1
Good
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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
1,820 reviews
Vueling
7.1
Good
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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
7,407 reviews
Vueling
7.1
Good
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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
5,155 reviews
Vueling
7.1
Good
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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
7,361 reviews
Vueling
7.1
Good
1,185 reviews
Check prices

Crew

7.7

Food

6.1

Comfort

6.8

Entertainment

5.8

Overall

7.1

Boarding

7.1

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 £35, however they can be found for as little as £17.

  • 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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