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£61+ 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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Siena in 2026

Find the latest flights to Siena in 2026, 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 7 January 2026.

Return from

£83

One-way from

£61

Popular in

July

Cheapest in

January

Average price

£120
Vueling
  • Vueling
  • 5/2-12/2
  • Nonstop
  • 4h 25m total
  • London to Florence
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26/4
  • 26/4
  • 1 total stop
  • 25h 45m total
  • London to Siena
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Highest demand for flights based on searches. 17% potential increase in price (£37 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£5 potential savings vs. average return price).
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Average for return flights in January 2026
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Find flight deals to Siena

Enter your travel dates to find the best prices.

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 7 January 2026.

Thu 5/219:55LGW - FLR
Nonstop2h 10mVueling
Thu 12/218:00FLR - LGW
Nonstop2h 15mVueling
Deal found 6/1£83
Wed 28/119:55LGW - FLR
Nonstop2h 10mVueling
Sat 31/118:00FLR - LGW
Nonstop2h 15mVueling
Deal found 4/1£84
Tue 31/308:30LGW - FLR
Nonstop2h 20mVueling
Wed 8/406:25FLR - LGW
Nonstop2h 25mVueling
Deal found 6/1£84
Thu 5/219:55LGW - FLR
Nonstop2h 10mVueling
Sat 7/218:00FLR - LGW
Nonstop2h 15mVueling
Deal found 4/1£85
Tue 24/314:55LGW - FLR
Nonstop2h 10mVueling
Tue 28/412:20FLR - LGW
Nonstop2h 30mVueling
Deal found 5/1£86
Tue 24/214:30LGW - FLR
1 stop7h 10mMultiple Airlines
Wed 25/218:00FLR - LGW
Nonstop2h 15mMultiple Airlines
Deal found 5/1£86
Fri 16/119:55LGW - FLR
Nonstop2h 10mVueling
Tue 20/106:55FLR - LGW
Nonstop2h 20mVueling
Deal found 5/1£87
Tue 13/116:10LGW - FLR
1 stop5h 30mVueling
Tue 20/106:55FLR - LGW
Nonstop2h 20mVueling
Deal found 5/1£88
Thu 29/115:20LGW - FLR
Nonstop2h 10mVueling
Sat 31/118:00FLR - LGW
Nonstop2h 15mVueling
Deal found 4/1£89
Mon 23/215:20LGW - FLR
1 stop6h 35mVueling
Wed 25/218:00FLR - LGW
Nonstop2h 15mVueling
Deal found 5/1£89
Sat 28/206:45LGW - FLR
1 stop12h 35mVueling
Mon 2/307:50FLR - LGW
Nonstop2h 20mVueling
Deal found 6/1£90
Tue 24/316:00LGW - FLR
1 stop5h 40mMultiple Airlines
Thu 23/414:20FLR - LGW
Nonstop2h 30mMultiple Airlines
Deal found 5/1£91

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 7 January 2026.
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

Sat 28/2

06:45-20:20

1 stop12h 35m

Florence Peretola

Mon 2/3

07:50-09:10

Nonstop2h 20m

£90

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Mon 18/5

21:05-08:25

1 stop10h 20m

Florence Peretola

Thu 21/5

07:35-09:00

Nonstop2h 25m

£99

LondonFlorence

STN - FLR

STNFLR

London Stansted

Thu 19/2

06:40-18:05

1 stop10h 25m

Florence Peretola

Thu 26/2

14:35-23:35

1 stop10h 00m

£117

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Fri 20/2

14:55-18:05

Nonstop2h 10m

Florence Peretola

Mon 23/2

09:50-23:20

1 stop14h 30m

£117

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Thu 16/4

05:40-21:30

1 stop14h 50m

Florence Peretola

Sun 19/4

13:00-22:10

1 stop10h 10m

£120

LondonFlorence

STN - FLR

STNFLR

London Stansted

Wed 4/2

05:55-16:50

1 stop9h 55m

Florence Peretola

Thu 12/2

14:35-23:35

1 stop10h 00m

£123

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sat 4/4

19:05-22:20

Nonstop2h 15m

Florence Peretola

Fri 17/4

07:05-08:30

Nonstop2h 25m

£124

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 24/2

06:50-14:05

1 stop6h 15m

Florence Peretola

Wed 25/2

14:10-20:25

1 stop7h 15m

£124

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Mon 16/3

06:15-18:15

1 stop11h 00m

Florence Peretola

Wed 18/3

18:40-19:25

2 stops25h 45m

£125

LondonFlorence

STN - FLR

STNFLR

London Stansted

Thu 5/2

06:20-22:30

2 stops15h 10m

Florence Peretola

Thu 12/2

14:35-23:35

1 stop10h 00m

£126

Flights are sorted by cheapest return flights first.

Deals found on 6/1

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 2 January 2026.

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 57 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 3 January 2026.

Users looking for the lowest fares to Siena should consider flying on Monday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at midday, 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 £66
British Airways
British Airways
From £125
KLM
KLM
From £142
Lufthansa
Lufthansa
From £135

What are the cheapest airlines that fly to Siena?

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

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 7 January 2026.
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
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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
1,221 reviews
Vueling
7.1
Good
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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
1,858 reviews
Vueling
7.1
Good
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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
7,684 reviews
Vueling
7.1
Good
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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
5,242 reviews
Vueling
7.1
Good
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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
7,657 reviews
Vueling
7.1
Good
1,221 reviews
Check prices

Entertainment

5.9

Food

6.2

Crew

7.7

Boarding

7.1

Overall

7.1

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 £122, however they can be found for as little as £36.

  • 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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