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£73+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
15 Jul — 22 Jul1
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 15 June 2026.

Fri 2/1016:30
LHR
-
FLR
1 stop5h 10m
ITA Airways
Mon 5/1019:00
FLR
-
LHR
1 stop15h 40m
ITA Airways
Deal found 13/6£137
Sat 5/912:45
LTN
-
FLR
1 stop9h 10m
Multiple Airlines
Tue 8/922:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 13/6£137
Wed 1/710:55
LGW
-
FLR
1 stop11h 00m
Vueling
Wed 8/721:55
FLR
-
LGW
1 stop13h 20m
Vueling
Deal found 11/6£137
Fri 10/718:00
STN
-
FLR
1 stop13h 50m
Multiple Airlines
Mon 13/722:00
FLR
-
STN
1 stop10h 30m
Multiple Airlines
Deal found 15/6£137
Tue 6/1010:30
LHR
-
FLR
1 stop11h 10m
ITA Airways
Mon 12/1019:00
FLR
-
LHR
1 stop15h 40m
ITA Airways
Deal found 13/6£138
Tue 23/619:40
LGW
-
FLR
Nonstop2h 15m
Vueling
Thu 9/721:55
FLR
-
LGW
1 stop11h 35m
Vueling
Deal found 11/6£138
Wed 1/707:25
STN
-
FLR
2 stops9h 45m
Multiple Airlines
Tue 7/709:20
FLR
-
STN
2 stops24h 15m
Multiple Airlines
Deal found 12/6£138
Tue 14/712:45
LTN
-
FLR
1 stop7h 40m
Multiple Airlines
Wed 15/713:10
FLR
-
LTN
1 stop12h 05m
Multiple Airlines
Deal found 12/6£138
Tue 14/714:35
LGW
-
FLR
Nonstop2h 20m
Vueling
Tue 14/722:00
FLR
-
LGW
1 stop11h 30m
Vueling
Deal found 15/6£138
Tue 30/608:50
STN
-
FLR
2 stops23h 10m
Multiple Airlines
Tue 7/709:20
FLR
-
STN
2 stops24h 15m
Multiple Airlines
Deal found 13/6£138
Tue 30/612:45
LTN
-
FLR
1 stop7h 40m
Multiple Airlines
Tue 7/722:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 11/6£139
Wed 29/708:30
LGW
-
FLR
Nonstop2h 25m
Vueling
Wed 5/806:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 14/6£139

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 15 June 2026.

Return from

£137

One-way from

£73

Popular in

May

Cheapest in

January

Average price

£208
ITA Airways
  • ITA Airways
  • 2/10-5/10
  • 2 total stops
  • 20h 50m total
  • London to Florence
Search Deals
24/6
  • 24/6
  • 1 total stop
  • 25h 45m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£24 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for return flights in June 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 15 June 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

LGW - FLR

LGWFLR

London Gatwick

Mon 6/7

21:05-08:25

1 stop10h 20m

Florence Peretola

Wed 15/7

18:10-10:15

1 stop17h 05m

£145

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 19/9

12:45-22:55

1 stop9h 10m

Florence Peretola

Tue 22/9

22:00-11:00

1 stop14h 00m

£147

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 5/9

12:45-22:55

1 stop9h 10m

Florence Peretola

Mon 7/9

22:00-11:00

1 stop14h 00m

£150

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 11/7

06:05-23:15

2 stops16h 10m

Florence Peretola

Mon 13/7

22:00-11:00

1 stop14h 00m

£153

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Thu 9/7

21:10-11:10

2 stops13h 00m

Florence Peretola

Thu 16/7

10:15-20:45

2 stops11h 30m

£160

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 17/11

09:10-14:45

1 stop4h 35m

Florence Peretola

Wed 18/11

09:50-17:35

1 stop8h 45m

£161

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Mon 6/7

12:45-21:25

1 stop7h 40m

Florence Peretola

Wed 15/7

13:10-00:15

1 stop12h 05m

£161

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Wed 4/11

05:55-22:30

2 stops15h 35m

Florence Peretola

Thu 5/11

09:50-17:35

1 stop8h 45m

£161

LondonFlorence

LCY - FLR

LCYFLR

London City

Mon 5/10

06:45-10:40

2 stops26h 55m

Florence Peretola

Thu 8/10

06:25-18:50

2 stops13h 25m

£163

LondonFlorence

SEN - FLR

SENFLR

London Southend

Tue 7/7

06:30-17:05

1 stop9h 35m

Florence Peretola

Mon 13/7

22:00-11:20

1 stop14h 20m

£165

Flights are sorted by cheapest return flights first.

Deals found on 15/6

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

How long is the flight to Siena?

On average, a flight from London to Siena takes 3 hours 10 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.

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 £64
British Airways
British Airways
From £120
KLM
KLM
From £155
Lufthansa
Lufthansa
From £139

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).

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 13 June 2026.

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

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 15 June 2026.
See what other customers who have flown with Vueling,Iberia, 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
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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
1,277 reviews
Vueling
7.2
Good
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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
Iberia
7.0
Good
3,237 reviews
Vueling
7.2
Good
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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
1,908 reviews
Vueling
7.2
Good
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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
8,066 reviews
Vueling
7.2
Good
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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
8,051 reviews
Vueling
7.2
Good
1,277 reviews
Check prices

Food

6.2

Comfort

6.9

Boarding

7.2

Entertainment

5.9

Overall

7.2

Crew

7.7

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, easyJet 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 £72, however they can be found for as little as £30.

  • 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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