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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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
28 Aug — 4 Sep1
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 29 July 2026.

Mon 28/920:50
LTN
-
FLR
2 stops24h 30m
Multiple Airlines
Wed 30/918:45
FLR
-
LTN
2 stops11h 10m
Multiple Airlines
Deal found 24/7£111
Tue 1/919:40
LGW
-
FLR
Nonstop2h 15m
Vueling
Wed 9/913:10
FLR
-
LGW
2 stops19h 05m
Vueling
Deal found 27/7£111
Tue 15/918:45
STN
-
FLR
1 stop12h 35m
Multiple Airlines
Tue 22/907:00
FLR
-
STN
1 stop6h 45m
Multiple Airlines
Deal found 28/7£113
Sat 3/1014:10
LTN
-
FLR
1 stop6h 10m
Multiple Airlines
Wed 7/1018:45
FLR
-
LTN
2 stops11h 10m
Multiple Airlines
Deal found 26/7£114
Tue 1/919:40
LGW
-
FLR
Nonstop2h 15m
Vueling
Wed 2/906:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 29/7£114
Mon 14/918:25
STN
-
FLR
1 stop13h 20m
Multiple Airlines
Tue 15/920:40
FLR
-
STN
1 stop14h 10m
Multiple Airlines
Deal found 25/7£114
Mon 14/918:05
LTN
-
FLR
1 stop13h 20m
Multiple Airlines
Thu 17/909:15
FLR
-
LTN
2 stops16h 15m
Multiple Airlines
Deal found 27/7£114
Sat 12/919:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Thu 24/917:50
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 26/7£114
Sun 9/819:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Thu 13/807:35
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 28/7£115
Tue 8/908:30
LGW
-
FLR
Nonstop2h 20m
Vueling
Tue 15/906:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 25/7£116
Sat 19/911:15
STN
-
FLR
2 stops10h 40m
Multiple Airlines
Tue 22/907:00
FLR
-
STN
1 stop6h 45m
Multiple Airlines
Deal found 27/7£116
Tue 15/920:35
LTN
-
FLR
2 stops20h 35m
Multiple Airlines
Wed 23/918:45
FLR
-
LTN
2 stops11h 10m
Multiple Airlines
Deal found 25/7£117

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 29 July 2026.

Return from

£111

One-way from

£66

Popular in

May

Cheapest in

January

Average price

£209
28/9-30/9
  • 28/9-30/9
  • 4 total stops
  • 35h 40m total
  • London to Florence
Search Deals
18/10
  • 18/10
  • 1 total stop
  • 7h 40m 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 (£5 potential savings vs. average return price).
Search Deals
Average for return flights in July 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 29 July 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 14/9

14:30-21:25

1 stop5h 55m

Florence Peretola

Tue 15/9

06:25-07:50

Nonstop2h 25m

£120

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Thu 14/1

13:00-21:30

1 stop7h 30m

Florence Peretola

Thu 28/1

22:05-13:50

1 stop16h 45m

£122

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 25/9

21:50-23:15

2 stops24h 25m

Florence Peretola

Tue 29/9

18:45-19:55

2 stops26h 10m

£125

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 13/10

20:55-18:10

2 stops20h 15m

Florence Peretola

Thu 15/10

22:05-10:55

1 stop13h 50m

£126

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 12/9

18:15-08:05

1 stop12h 50m

Florence Peretola

Wed 16/9

14:50-11:00

2 stops21h 10m

£131

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 18/9

20:35-22:55

2 stops25h 20m

Florence Peretola

Tue 29/9

18:45-19:55

2 stops26h 10m

£131

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 3/11

21:05-18:05

2 stops20h 00m

Florence Peretola

Tue 10/11

09:50-17:35

1 stop8h 45m

£132

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Mon 14/9

18:05-08:25

1 stop13h 20m

Florence Peretola

Wed 23/9

09:00-18:05

1 stop10h 05m

£132

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Wed 21/10

12:45-22:55

1 stop9h 10m

Florence Peretola

Sat 24/10

11:15-09:30

2 stops23h 15m

£136

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Wed 9/9

16:30-22:55

1 stop5h 25m

Florence Peretola

Wed 16/9

14:50-11:00

2 stops21h 10m

£138

Flights are sorted by cheapest return flights first.

Deals found on 25/7

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 2 hours 56 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 £153
KLM
KLM
From £157
Lufthansa
Lufthansa
From £141

What are the cheapest airlines that fly to Siena?

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

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 25 July 2026.

Users looking for the lowest fares to Siena should consider flying on Saturday at midday, 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 29 July 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
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement
Vueling
7.2
Good
1,291 reviews
Vueling
7.2
Good
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement
Iberia
7.0
Good
3,259 reviews
Vueling
7.2
Good
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement
easyJet
6.9
Okay
1,919 reviews
Vueling
7.2
Good
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement
Lufthansa
6.8
Okay
8,164 reviews
Vueling
7.2
Good
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement
British Airways
6.7
Okay
8,129 reviews
Vueling
7.2
Good
1,291 reviews
Check prices

Boarding

7.2

Crew

7.7

Overall

7.2

Comfort

6.9

Food

6.2

Entertainment

5.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2024

LGW - BCN

Rude Air hostess, looks tired...no smile, no food, not even water although i understnad its 2 hours flight. No hand luggage included in price. Worst airline ever...so tight sitting arrangement

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 £124, 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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