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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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
6 May — 13 May1
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
Explore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 6 April 2026.

Mon 13/413:50
LGW
-
FLR
1 stop7h 15m
Multiple Airlines
Wed 6/521:55
FLR
-
LGW
1 stop11h 25m
Multiple Airlines
Deal found 1/4£129
Wed 22/415:05
LGW
-
FLR
Nonstop2h 20m
Vueling
Mon 27/406:55
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 2/4£130
Tue 5/519:40
LGW
-
FLR
Nonstop2h 15m
Vueling
Fri 8/507:00
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 4/4£131
Thu 7/508:05
STN
-
FLR
2 stops13h 25m
Multiple Airlines
Wed 13/521:55
FLR
-
STN
1 stop15h 15m
Multiple Airlines
Deal found 2/4£131
Tue 8/916:30
LHR
-
FLR
1 stop24h 45m
ITA Airways
Sat 12/915:30
FLR
-
LHR
1 stop19h 10m
ITA Airways
Deal found 5/4£132
Tue 21/406:45
LTN
-
FLR
2 stops14h 45m
Multiple Airlines
Tue 28/422:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 4/4£132
Sun 6/919:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Sat 12/906:55
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 5/4£132
Sat 18/416:50
SEN
-
FLR
1 stop5h 05m
Multiple Airlines
Tue 21/422:00
FLR
-
SEN
1 stop10h 55m
Multiple Airlines
Deal found 4/4£132
Fri 6/1112:15
LTN
-
FLR
1 stop9h 40m
Multiple Airlines
Fri 20/1109:50
FLR
-
LTN
1 stop14h 10m
Multiple Airlines
Deal found 1/4£133
Sun 19/419:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Wed 22/406:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 6/4£133
Sat 16/519:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Mon 18/506:55
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 2/4£133
Tue 5/518:45
STN
-
FLR
1 stop12h 50m
Multiple Airlines
Thu 7/518:45
FLR
-
STN
2 stops13h 05m
Multiple Airlines
Deal found 2/4£133

Find flight deals to Siena

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 6 April 2026.

Return from

£129

One-way from

£61

Popular in

July

Cheapest in

January

Average price

£202
Vueling
  • Vueling
  • 21/4-29/4
  • 1 total stop
  • 17h 10m total
  • London to Florence
Search Deals
Vueling
  • Vueling
  • 31/8
  • Nonstop
  • 2h 15m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for return flights in April 2026
Search Deals

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 6 April 2026.
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

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 21/4

21:50-18:10

2 stops19h 20m

Florence Peretola

Tue 28/4

22:00-11:00

1 stop14h 00m

£133

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 9/5

12:45-22:55

1 stop9h 10m

Florence Peretola

Mon 11/5

19:00-08:30

1 stop14h 30m

£154

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 16/5

12:45-21:25

1 stop7h 40m

Florence Peretola

Mon 18/5

06:15-20:10

2 stops14h 55m

£155

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 9/5

21:50-22:30

2 stops23h 40m

Florence Peretola

Mon 18/5

19:00-08:30

1 stop14h 30m

£159

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 1/5

17:15-15:05

2 stops20h 50m

Florence Peretola

Fri 8/5

19:20-00:50

1 stop6h 30m

£167

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sun 7/6

17:20-13:50

2 stops19h 30m

Florence Peretola

Fri 12/6

19:00-08:30

1 stop14h 30m

£170

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 17/4

21:50-15:05

2 stops16h 15m

Florence Peretola

Mon 20/4

19:00-08:30

1 stop14h 30m

£174

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 13/6

21:50-18:15

2 stops19h 25m

Florence Peretola

Mon 15/6

06:15-04:55

2 stops23h 40m

£176

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sun 13/9

20:35-21:25

2 stops23h 50m

Florence Peretola

Tue 22/9

22:00-11:00

1 stop14h 00m

£178

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sun 27/9

10:30-18:15

1 stop6h 45m

Florence Peretola

Thu 1/10

15:30-09:40

1 stop19h 10m

£180

Flights are sorted by cheapest return flights first.

Deals found on 4/4

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 3 April 2026.

The best time to book flights to Siena is 55 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 4 April 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 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 £66
British Airways
British Airways
From £126
KLM
KLM
From £158
Lufthansa
Lufthansa
From £142

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 6 April 2026.
See what other customers who have flown with Vueling,Ryanair, andeasyJet to Italy have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Vueling
7.2
Good
1,259 reviews
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Ryanair
6.9
Okay
5,320 reviews
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
easyJet
6.9
Okay
1,888 reviews
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
Lufthansa
6.8
Okay
7,893 reviews
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation
British Airways
6.7
Okay
7,857 reviews
Vueling
7.2
Good
1,259 reviews
Check prices

Comfort

6.8

Overall

7.2

Food

6.2

Crew

7.7

Entertainment

5.9

Boarding

7.2

Reviews

1 / 20
10.0
Excellent

Luis Alfonso,Feb 2026

BCN - ALC

In overall good. The crew were very nice as always. I must say it is the tidiest airline when it comes to disembarkation

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 £32.

  • 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 10 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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Why should you use Cheapflights to find cheap flight tickets to Siena?

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