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£74+ 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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
3 Jul — 10 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 3 June 2026.

Mon 8/619:50
LGW
-
FLR
Nonstop2h 15m
Vueling
Thu 11/607:35
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 3/6£137
Tue 9/618:45
STN
-
FLR
1 stop12h 35m
Multiple Airlines
Wed 10/613:25
FLR
-
STN
2 stops18h 55m
Multiple Airlines
Deal found 2/6£137
Thu 26/1110:30
LHR
-
FLR
1 stop6h 45m
ITA Airways
Sun 29/1111:25
FLR
-
LHR
1 stop5h 15m
ITA Airways
Deal found 1/6£138
Fri 3/720:40
LTN
-
FLR
2 stops25h 15m
Multiple Airlines
Tue 7/722:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 1/6£138
Sun 7/621:45
LGW
-
FLR
1 stop14h 30m
Vueling
Wed 10/606:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 30/5£138
Sat 13/615:25
STN
-
FLR
1 stop6h 30m
Multiple Airlines
Tue 16/620:40
FLR
-
STN
1 stop14h 10m
Multiple Airlines
Deal found 2/6£138
Wed 24/616:30
LTN
-
FLR
1 stop14h 55m
Multiple Airlines
Fri 26/621:55
FLR
-
LTN
1 stop14h 05m
Multiple Airlines
Deal found 3/6£139
Tue 23/619:40
LGW
-
FLR
Nonstop2h 15m
Vueling
Tue 30/606:25
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 30/5£139
Fri 3/722:10
STN
-
FLR
2 stops24h 05m
Multiple Airlines
Tue 7/722:00
FLR
-
STN
1 stop10h 20m
Multiple Airlines
Deal found 29/5£139
Sat 13/615:30
LHR
-
FLR
1 stop6h 00m
Multiple Airlines
Sat 20/607:00
FLR
-
LHR
1 stop8h 15m
Multiple Airlines
Deal found 2/6£140
Sat 13/615:00
LGW
-
FLR
1 stop6h 55m
Vueling
Sat 20/622:00
FLR
-
LGW
1 stop11h 30m
Vueling
Deal found 2/6£140
Sat 11/716:50
SEN
-
FLR
1 stop5h 05m
Multiple Airlines
Mon 13/722:00
FLR
-
SEN
1 stop14h 20m
Multiple Airlines
Deal found 2/6£140

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 3 June 2026.

Return from

£137

One-way from

£74

Popular in

May

Cheapest in

January

Average price

£218
Vueling
  • Vueling
  • 1/7-4/7
  • 1 total stop
  • 11h 20m total
  • London to Florence
Search Deals
16/6
  • 16/6
  • 2 total stops
  • 19h 20m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£29 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 3 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

LTN - FLR

LTNFLR

London Luton

Sat 11/7

06:05-23:15

2 stops16h 10m

Florence Peretola

Tue 14/7

22:00-11:00

1 stop14h 00m

£143

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Mon 13/7

21:05-08:25

1 stop10h 20m

Florence Peretola

Mon 20/7

06:55-08:20

Nonstop2h 25m

£143

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 3/10

12:45-22:55

1 stop9h 10m

Florence Peretola

Thu 8/10

22:05-10:55

1 stop13h 50m

£143

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 8/9

18:40-22:55

2 stops27h 15m

Florence Peretola

Tue 15/9

22:00-11:00

1 stop14h 00m

£144

LondonFlorence

SEN - FLR

SENFLR

London Southend

Tue 8/9

06:30-21:25

1 stop13h 55m

Florence Peretola

Tue 15/9

22:00-07:55

1 stop10h 55m

£145

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 3/7

05:40-18:05

1 stop11h 25m

Florence Peretola

Tue 7/7

22:00-11:00

1 stop14h 00m

£146

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

£147

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sun 11/10

08:40-12:05

Nonstop2h 25m

Florence Peretola

Fri 16/10

21:55-13:40

1 stop16h 45m

£149

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Thu 16/7

18:40-22:55

2 stops51h 15m

Florence Peretola

Sun 19/7

19:00-08:30

1 stop14h 30m

£149

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 16/6

18:00-23:20

2 stops28h 20m

Florence Peretola

Fri 19/6

19:20-00:50

1 stop6h 30m

£154

Flights are sorted by cheapest return flights first.

Deals found on 29/5

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 7 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 £138
KLM
KLM
From £155
Lufthansa
Lufthansa
From £137

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 30 May 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 Sunday 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 3 June 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
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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
1,274 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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
5,393 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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
1,903 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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
8,036 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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
8,020 reviews
Vueling
7.2
Good
1,274 reviews
Check prices

Food

6.2

Entertainment

5.9

Boarding

7.2

Comfort

6.9

Crew

7.7

Overall

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 £77, 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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