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£63+ 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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
14 May — 21 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 14 April 2026.

Sun 7/617:30
STN
-
FLR
1 stop15h 40m
Multiple Airlines
Tue 9/618:45
FLR
-
STN
2 stops22h 55m
Multiple Airlines
Deal found 9/4£134
Sat 3/1010:30
LHR
-
FLR
1 stop11h 10m
ITA Airways
Mon 5/1019:00
FLR
-
LHR
1 stop15h 40m
ITA Airways
Deal found 10/4£135
Sun 10/521:50
LTN
-
FLR
2 stops18h 15m
Multiple Airlines
Tue 12/522:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 10/4£135
Sun 10/519:20
LGW
-
FLR
2 stops20h 45m
Multiple Airlines
Sun 17/506:25
FLR
-
LGW
Nonstop2h 25m
Multiple Airlines
Deal found 12/4£135
Tue 5/507:55
STN
-
FLR
1 stop12h 30m
Multiple Airlines
Tue 12/522:00
FLR
-
STN
1 stop15h 00m
Multiple Airlines
Deal found 10/4£135
Fri 24/405:40
LTN
-
FLR
1 stop14h 40m
Multiple Airlines
Mon 27/422:00
FLR
-
LTN
1 stop14h 00m
Multiple Airlines
Deal found 10/4£136
Fri 15/519:55
LGW
-
FLR
Nonstop2h 15m
Vueling
Mon 18/506:55
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 11/4£136
Fri 8/522:10
STN
-
FLR
2 stops24h 05m
Multiple Airlines
Fri 15/518:45
FLR
-
STN
2 stops27h 05m
Multiple Airlines
Deal found 10/4£136
Sun 26/419:50
LTN
-
FLR
2 stops25h 15m
Multiple Airlines
Sun 3/509:15
FLR
-
LTN
1 stop9h 05m
Multiple Airlines
Deal found 11/4£137
Mon 20/421:05
LGW
-
FLR
1 stop10h 20m
Vueling
Thu 23/407:35
FLR
-
LGW
Nonstop2h 25m
Vueling
Deal found 9/4£137
Wed 6/510:50
STN
-
FLR
2 stops10h 40m
Multiple Airlines
Fri 8/521:55
FLR
-
STN
1 stop15h 05m
Multiple Airlines
Deal found 10/4£137
Tue 1/913:45
LCY
-
FLR
2 stops7h 55m
ITA Airways
Tue 8/911:25
FLR
-
LCY
2 stops10h 40m
ITA Airways
Deal found 9/4£137

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 14 April 2026.

Return from

£134

One-way from

£63

Popular in

July

Cheapest in

January

Average price

£200
7/6-9/6
  • 7/6-9/6
  • 3 total stops
  • 38h 35m total
  • London to Florence
Search Deals
27/4
  • 27/4
  • 1 total stop
  • 21h 50m total
  • London to Siena
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£33 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 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 14 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

Wed 13/5

09:40-22:55

1 stop12h 15m

Florence Peretola

Mon 18/5

22:00-11:00

1 stop14h 00m

£135

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sun 7/6

07:05-13:25

1 stop5h 20m

Florence Peretola

Tue 9/6

22:00-11:00

1 stop14h 00m

£137

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 12/5

17:45-08:20

1 stop13h 35m

Florence Peretola

Fri 15/5

06:15-18:25

1 stop13h 10m

£146

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 6/6

21:50-18:15

2 stops19h 25m

Florence Peretola

Mon 8/6

06:15-04:55

2 stops23h 40m

£149

LondonFlorence

SEN - FLR

SENFLR

London Southend

Sat 16/5

16:50-08:15

1 stop14h 25m

Florence Peretola

Mon 18/5

22:00-11:20

1 stop14h 20m

£155

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Sat 16/5

12:45-22:55

1 stop9h 10m

Florence Peretola

Sun 17/5

13:00-04:55

2 stops16h 55m

£156

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 26/5

17:50-22:30

2 stops27h 40m

Florence Peretola

Tue 2/6

20:40-22:10

2 stops26h 30m

£159

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 15/5

20:50-15:05

2 stops17h 15m

Florence Peretola

Mon 18/5

22:00-11:00

1 stop14h 00m

£160

LondonFlorence

SEN - FLR

SENFLR

London Southend

Sat 16/5

16:50-22:55

1 stop5h 05m

Florence Peretola

Tue 19/5

22:00-07:55

1 stop10h 55m

£163

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Fri 15/5

20:50-15:05

2 stops17h 15m

Florence Peretola

Sun 17/5

13:00-04:55

2 stops16h 55m

£164

Flights are sorted by cheapest return flights first.

Deals found on 13/4

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 10 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 3 hours 29 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 11 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 Sunday 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 £65
British Airways
British Airways
From £124
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).

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 14 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
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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
1,260 reviews
Vueling
7.2
Good
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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
5,331 reviews
Vueling
7.2
Good
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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
1,890 reviews
Vueling
7.2
Good
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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
7,920 reviews
Vueling
7.2
Good
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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
7,882 reviews
Vueling
7.2
Good
1,260 reviews
Check prices

Crew

7.7

Food

6.2

Entertainment

5.9

Overall

7.2

Boarding

7.2

Comfort

6.8

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 £136, however they can be found for as little as £34.

  • 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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