How long is the flight from London to Siena?

A quick flight from London to Siena can take about 2h 15m. Vueling provides one of the quickest options available for as low as £115. The distance between London and Siena is about 733 mi. Both multi-stop and direct flights can be found to your destination and back.

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.

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).

What are the most popular routes from London to Siena?

The most popular route from London to Siena is London Heathrow - Florence Peretola. You may also consider London City - Florence Peretola or London Gatwick - Florence Peretola.

What are the cheapest flights from London to Siena?

While on average a flight from London to Siena is generally £179, our data shows the cheapest flight currently is £77. When looking at the most popular route, (London Heathrow - Florence Peretola), you can expect to pay £98 for that flight.

What are the most reliable airlines from London to Siena?

Consider American Airlines (72%), Qatar Airways (71%) or British Airways (71%) when booking your flight. These represent the most reliable airlines when flying from London to Siena.

What are the most popular airlines that fly from London to Siena?

Vueling, British Airways and Lufthansa are the most popular airlines when flying from London to Siena.

Can I find deals for flights from London to Siena that include hotel bookings?

Yes. In addition to deals on London to Siena flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Siena?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Siena.

Can I find deals for business class flights from London to Siena?

Yes. Cheapflights offers flight deals from London to Siena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£64+ Cheap Flights from London to Siena

Cheapflights Tip: The best prices from London to Siena are usually found in January or November, booked 57 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from London to Siena

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Siena
Explore the most affordable flight options available from London to Siena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2026.

Sat 10/1012:50 -

1 stop9h 05m

Sun 11/1006:25 -

Nonstop2h 25m

Deal found 25/8£105

Tue 13/1014:35 -

Nonstop2h 20m

Tue 20/1017:40 -

Nonstop2h 20m

Deal found 24/8£106

Sat 10/1012:50 -

1 stop9h 05m

Sat 17/1006:55 -

Nonstop2h 25m

Deal found 25/8£107

Wed 7/1007:25 -

2 stops9h 45m

Wed 14/1018:00 -

1 stop6h 30m

Deal found 24/8£107

Thu 8/1019:55 -

Nonstop2h 15m

Thu 15/1007:35 -

Nonstop2h 25m

Deal found 24/8£108

Wed 23/917:30 -

1 stop14h 10m

Wed 30/918:00 -

1 stop6h 30m

Deal found 26/8£108

Thu 8/1019:55 -

Nonstop2h 15m

Thu 15/1018:45 -

2 stops32h 15m

Deal found 24/8£108

Thu 8/1013:15 -

1 stop19h 10m

Thu 15/1018:45 -

2 stops35h 10m

Deal found 24/8£109

Tue 22/914:20 -

1 stop4h 40m

Tue 29/907:00 -

1 stop14h 00m

Deal found 25/8£109

Sat 3/1014:10 -

1 stop6h 10m

Wed 7/1009:35 -

1 stop8h 45m

Deal found 28/8£111

Wed 2/910:45 -

1 stop5h 20m

Tue 8/920:40 -

1 stop14h 10m

Deal found 27/8£111

Tue 6/1019:40 -

Nonstop2h 15m

Thu 22/1022:05 -

1 stop11h 30m

Deal found 27/8£111

Best flights from London to Siena
Discover carefully curated flight deals from London to Siena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Tue 3/1112:15 -

1 stop9h 35m

Thu 5/1108:15 -

1 stop10h 20m

Deal found 27/8£115

Tue 20/1019:40 -

Nonstop2h 15m

Sat 24/1013:15 -

1 stop6h 35m

Deal found 24/8£115

Sat 19/917:15 -

1 stop4h 20m

Tue 22/909:55 -

1 stop7h 30m

Deal found 24/8£159

Tue 6/1011:05 -

2 stops10h 35m

Thu 22/1011:45 -

1 stop6h 20m

Deal found 27/8£171

Sat 3/1016:30 -

1 stop5h 10m

Tue 6/1015:30 -

1 stop19h 10m

Deal found 27/8£186

Sat 5/1207:05 -

Nonstop2h 05m

Sun 6/1216:25 -

Nonstop2h 10m

Deal found 28/8£190

Sat 10/1012:45 -

1 stop9h 10m

Sun 11/1006:45 -

1 stop9h 00m

Deal found 25/8£116

Wed 23/1209:50 -

1 stop7h 40m

Mon 11/114:20 -

1 stop4h 20m

Deal found 28/8£235

Tue 20/1007:20 -

1 stop13h 05m

Wed 21/1006:25 -

Nonstop2h 25m

Deal found 25/8£123

Tue 13/1014:20 -

1 stop4h 40m

Tue 20/1018:45 -

2 stops13h 05m

Deal found 28/8£116

Fri 8/116:25 -

1 stop15h 50m

Sun 10/108:00 -

1 stop6h 05m

Deal found 28/8£124

Tue 29/914:20 -

1 stop4h 40m

Wed 7/1007:15 -

1 stop10h 45m

Deal found 26/8£117

Tue 6/1010:35 -

2 stops10h 55m

Thu 22/1018:45 -

2 stops13h 05m

Deal found 28/8£117

Thu 12/1114:50 -

Nonstop2h 15m

Sun 15/1108:00 -

1 stop11h 50m

Deal found 28/8£135

Tue 3/1113:25 -

1 stop8h 25m

Thu 5/1122:05 -

1 stop12h 15m

Deal found 27/8£121

Tue 29/916:50 -

1 stop14h 30m

Wed 30/921:55 -

1 stop13h 20m

Deal found 26/8£147

Sat 10/1012:45 -

1 stop9h 10m

Sat 17/1022:00 -

1 stop14h 00m

Deal found 25/8£122

Thu 8/1006:50 -

2 stops14h 50m

Thu 15/1015:30 -

2 stops7h 05m

Deal found 24/8£203

Wed 23/1209:00 -

2 stops8h 15m

Mon 11/111:25 -

2 stops8h 30m

Deal found 28/8£209

Sun 11/1016:20 -

Nonstop2h 10m

Sun 18/1011:40 -

Nonstop2h 15m

Deal found 27/8£214

Thu 8/1013:10 -

1 stop8h 25m

Thu 15/1006:30 -

1 stop7h 05m

Deal found 24/8£218

Wed 23/907:25 -

2 stops14h 05m

Sat 26/906:30 -

1 stop12h 15m

Deal found 25/8£124

Mon 28/1207:00 -

2 stops14h 40m

Fri 1/111:25 -

2 stops10h 35m

Deal found 25/8£209

Thu 22/1011:05 -

2 stops10h 35m

Mon 26/1011:55 -

1 stop10h 25m

Deal found 28/8£217

Tue 13/1012:45 -

2 stops8h 35m

Fri 16/1021:55 -

1 stop14h 05m

Deal found 27/8£128

Fri 25/913:10 -

1 stop8h 25m

Mon 28/906:30 -

1 stop7h 05m

Deal found 25/8£234

Sun 18/1013:45 -

2 stops7h 55m

Sat 24/1006:25 -

2 stops6h 10m

Deal found 26/8£229

Wed 30/912:45 -

1 stop9h 10m

Sat 3/1022:00 -

1 stop14h 00m

Deal found 24/8£132

Thu 17/919:55 -

Nonstop2h 15m

Sun 20/906:25 -

Nonstop2h 25m

Deal found 27/8£265

Sun 11/1021:45 -

1 stop9h 40m

Sun 18/1008:50 -

1 stop13h 10m

Deal found 27/8£203

Find flight deals from London to Siena

Round-trip from	£105
One-way from	£64
Popular in	May
Cheapest in	January
Average price	£212

Vueling
10/10-11/10
1 total stop
11h 30m total
London to Siena

Search Deals

30/9
2 total stops
20h 30m total
London to Siena

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£17 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 round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Tue 3/11

12:15-22:50

1 stop9h 35m

Florence Peretola

Thu 5/11

08:15-17:35

1 stop10h 20m

£115

LondonFlorence

LGW London Gatwick - FLR Florence Peretola

LGWFLR

London Gatwick

Tue 20/10

19:40-22:55

Nonstop2h 15m

Florence Peretola

Sat 24/10

13:15-18:50

1 stop6h 35m

£115

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Sat 10/10

12:45-22:55

1 stop9h 10m

Florence Peretola

Sun 11/10

06:45-14:45

1 stop9h 00m

£116

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Tue 13/10

14:20-20:00

1 stop4h 40m

Florence Peretola

Tue 20/10

18:45-06:50

2 stops13h 05m

£116

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Tue 29/9

14:20-20:00

1 stop4h 40m

Florence Peretola

Wed 7/10

07:15-17:00

1 stop10h 45m

£117

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Tue 6/10

10:35-22:30

2 stops10h 55m

Florence Peretola

Thu 22/10

18:45-06:50

2 stops13h 05m

£117

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Tue 3/11

13:25-22:50

1 stop8h 25m

Florence Peretola

Thu 5/11

22:05-09:20

1 stop12h 15m

£121

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Sat 10/10

12:45-22:55

1 stop9h 10m

Florence Peretola

Sat 17/10

22:00-11:00

1 stop14h 00m

£122

LondonFlorence

LGW London Gatwick - FLR Florence Peretola

LGWFLR

London Gatwick

Tue 20/10

07:20-21:25

1 stop13h 05m

Florence Peretola

Wed 21/10

06:25-07:50

Nonstop2h 25m

£123

LondonFlorence

LGW London Gatwick - FLR Florence Peretola

LGWFLR

London Gatwick

Fri 8/1

16:25-09:15

1 stop15h 50m

Florence Peretola

Sun 10/1

08:00-13:05

1 stop6h 05m

£124

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Siena

Have a flexible travel schedule? Discover the best time to fly to Siena from London with our price prediction graph.

LGW-FLR

STN-FLR

LTN-FLR

LHR-FLR

LCY-FLR

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 from London to Siena

LON-S1N

LGW-FLR

STN-FLR

LTN-FLR

LHR-FLR

What is the cheapest time of day to fly from LON to S1N?

It’s optimal to fly from London to Siena at midday. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the evening.

How much does it cost for a return flight from London to Siena?

Airfare is below average for this route at the moment.

London to Siena flights typically cost between £153 and £281 in October.
The cheapest return price found within the last 5 days was £105 on Multiple Airlines (10 Oct–11 Oct).

What is the cheapest day to fly from London to Siena?

Travellers seeking maximum savings on their London to Siena flight should consider departing on Saturday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Siena

Check out reviews from past customers who have flown with Vueling,Iberia, andRyanair from London to Siena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Vueling

7.2

Good

1,302 reviews

Check prices

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

1,302 reviews

Vueling

7.2

Good

1,302 reviews

Check prices

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

3,252 reviews

Vueling

7.2

Good

1,302 reviews

Check prices

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

Ryanair

6.9

Okay

5,483 reviews

Vueling

7.2

Good

1,302 reviews

Check prices

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

1,928 reviews

Vueling

7.2

Good

1,302 reviews

Check prices

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

8,192 reviews

Vueling

7.2

Good

1,302 reviews

Check prices

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

Related info for your journey

How long is the flight from London to Siena?
A quick flight from London to Siena can take about 2h 15m. Vueling provides one of the quickest options available for as low as £115. The distance between London and Siena is about 733 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most popular routes from London to Siena?
The most popular route from London to Siena is London Heathrow - Florence Peretola. You may also consider London City - Florence Peretola or London Gatwick - Florence Peretola.
What are the most reliable airlines from London to Siena?
Consider American Airlines (72%), Qatar Airways (71%) or British Airways (71%) when booking your flight. These represent the most reliable airlines when flying from London to Siena.
What are the cheapest flights from London to Siena?
While on average a flight from London to Siena is generally £179, our data shows the cheapest flight currently is £77. When looking at the most popular route, (London Heathrow - Florence Peretola), you can expect to pay £98 for that flight.
Can I find deals for flights from London to Siena that include hotel bookings?
Yes. In addition to deals on London to Siena flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Siena?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Siena.
Can I find deals for business class flights from London to Siena?
Yes. Cheapflights offers flight deals from London to Siena by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from London to Siena

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£28	Average£106	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Ryanair	Cheapest£29	Average£111	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Vueling	Cheapest£65	Average£153	FlexibilityNo cancel fee	On-time88%	Search Vueling flights
British Airways	Cheapest£100	Average£233	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£124	Average£245	FlexibilityNo cancel fee	On-time75%	Search KLM flights
ITA Airways	Cheapest£128	Average£160	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Iberia	Cheapest£129	Average£211	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£139	Average£202	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	Cheapest£155	Average£251	FlexibilityNo cancel fee	On-time77%	Search Air France flights
SWISS	Cheapest£159	Average£209	FlexibilityNo cancel fee	On-time79%	Search SWISS flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Siena?

When you search for this flight from London to Siena, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Siena?

Cheapflights simply makes it quick and affordable to book flights from London to Siena by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from London to Siena with no change fees?

Certainly. Search results for flights to Siena from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Siena become cheaper?

Yes, Cheapflights offers price alerts on London to Siena flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London to Siena from £64

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 30/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Siena

Cheapest flights from London to SienaExplore the most affordable flight options available from London to Siena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2026.

Explore the most affordable flight options available from London to Siena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2026.

Best flights from London to SienaDiscover carefully curated flight deals from London to Siena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Discover carefully curated flight deals from London to Siena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Direct flights from London to SienaExplore direct flight options from London to Siena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2026.

Explore direct flight options from London to Siena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2026.

Last-minute flights from London to SienaDiscover last-minute flight deals from London to Siena. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Siena. Data last updated 29 August 2026 and is based on user searches.

One-way flights from London to SienaSearch for one-way flight options from London to Siena. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Search for one-way flight options from London to Siena. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

Find flight deals from London to Siena

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Siena that are best for you.

Best time to book a flight from London to Siena

Have a flexible travel schedule? Discover the best time to fly to Siena from London with our price prediction graph.

Cheapflights Insights

What is the cheapest time of day to fly from LON to S1N?

Find hourly flight availability from London to Siena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2026.

It’s optimal to fly from London to Siena at midday. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the evening.

How much does it cost for a return flight from London to Siena?

Airfare is below average for this route at the moment.

London to Siena flights typically cost between £153 and £281 in October.The cheapest return price found within the last 5 days was £105 on Multiple Airlines (10 Oct–11 Oct).

What is the cheapest day to fly from London to Siena?

Use this chart to determine the cheapest time to fly return from London to Siena. Price data was last updated on 22 August 2026.

Travellers seeking maximum savings on their London to Siena flight should consider departing on Saturday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 2026.

Check out reviews from past customers who have flown with Vueling,Iberia, andRyanair from London to Siena to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Siena?

What are the most popular routes from London to Siena?

What are the most reliable airlines from London to Siena?

What are the cheapest flights from London to Siena?

Can I find deals for flights from London to Siena that include hotel bookings?

How can I find direct flights from London to Siena?

Can I find deals for business class flights from London to Siena?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Siena

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Complete your trip

Complete your trip to Siena by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Tuscany

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Search flights from London to Siena by cabin class

Find flights from London to Siena, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Siena flights

Browse other London and Siena flight options. Last updated on 29 August 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 29 August 2026.

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Cheapest flights from London to Siena
Explore the most affordable flight options available from London to Siena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 August 2026.

Best flights from London to Siena
Discover carefully curated flight deals from London to Siena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 August 2026.

Direct flights from London to Siena
Explore direct flight options from London to Siena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 August 2026.

Last-minute flights from London to Siena
Discover last-minute flight deals from London to Siena. Data last updated 29 August 2026 and is based on user searches.

One-way flights from London to Siena
Search for one-way flight options from London to Siena. Find affordable one-way fares based on user searches. Data last updated 29 August 2026.

London to Siena flights typically cost between £153 and £281 in October.
The cheapest return price found within the last 5 days was £105 on Multiple Airlines (10 Oct–11 Oct).