How long is the flight from London to Siena?

A quick flight from London to Siena can take about 2h 05m. Vueling provides one of the quickest options available for as low as £161. The distance between London and Siena is about 741 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 £175, our data shows the cheapest flight currently is £78. When looking at the most popular route, (London Heathrow - Florence Peretola), you can expect to pay £132 for that flight.

What are the most reliable airlines from London to Siena?

Consider American Airlines (72%), Qatar Airways (70%) or British Airways (70%) 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.

£70+ 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 7 September 2026.

Sun 13/919:50 -

Nonstop2h 15m

Wed 16/906:25 -

Nonstop2h 25m

Deal found 3/9£117

Tue 20/1014:45 -

1 stop5h 40m

Sat 24/1014:10 -

1 stop10h 40m

Deal found 3/9£118

Thu 5/1110:30 -

1 stop6h 45m

Mon 9/1111:25 -

1 stop5h 15m

Deal found 4/9£118

Sat 26/913:00 -

1 stop8h 55m

Sat 3/1006:55 -

Nonstop2h 25m

Deal found 3/9£118

Tue 22/908:15 -

2 stops12h 40m

Wed 23/907:15 -

2 stops15h 45m

Deal found 5/9£118

Sat 10/1014:10 -

1 stop6h 25m

Sun 11/1009:15 -

1 stop15h 00m

Deal found 6/9£119

Fri 6/1110:30 -

1 stop6h 45m

Tue 10/1111:25 -

1 stop5h 15m

Deal found 4/9£119

Sat 19/910:55 -

1 stop11h 00m

Wed 23/906:25 -

Nonstop2h 25m

Deal found 6/9£119

Tue 22/914:20 -

1 stop4h 40m

Tue 6/1013:35 -

1 stop7h 15m

Deal found 4/9£119

Sat 26/914:10 -

1 stop6h 25m

Tue 29/906:05 -

2 stops15h 10m

Deal found 5/9£120

Sun 20/907:45 -

1 stop4h 40m

Wed 30/906:25 -

Nonstop2h 25m

Deal found 4/9£120

Mon 28/918:25 -

1 stop13h 20m

Thu 8/1013:45 -

2 stops10h 50m

Deal found 7/9£120

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 7 September 2026.

Sun 6/1208:20 -

1 stop6h 20m

Fri 11/1214:35 -

1 stop10h 15m

Deal found 4/9£120

Mon 11/114:35 -

1 stop7h 35m

Thu 14/122:05 -

1 stop17h 40m

Deal found 5/9£121

Mon 11/109:55 -

Nonstop2h 05m

Thu 14/113:40 -

Nonstop2h 10m

Deal found 5/9£161

Wed 18/1110:00 -

1 stop5h 25m

Mon 23/1113:05 -

1 stop5h 15m

Deal found 2/9£166

Tue 6/1006:50 -

2 stops14h 50m

Tue 13/1006:25 -

2 stops16h 10m

Deal found 6/9£178

Wed 14/1013:10 -

1 stop4h 45m

Tue 20/1006:30 -

1 stop7h 05m

Deal found 3/9£185

Sun 11/1013:45 -

2 stops7h 55m

Thu 15/1019:00 -

2 stops21h 55m

Deal found 6/9£198

Mon 28/912:45 -

1 stop7h 40m

Fri 9/1009:35 -

1 stop8h 45m

Deal found 7/9£121

Sat 26/915:00 -

1 stop6h 55m

Sat 3/1006:55 -

Nonstop2h 25m

Deal found 2/9£131

Sat 3/1016:50 -

1 stop5h 05m

Tue 6/1022:00 -

1 stop10h 55m

Deal found 5/9£121

Wed 30/906:55 -

1 stop5h 55m

Wed 7/1009:35 -

1 stop8h 45m

Deal found 2/9£124

Sat 5/1207:05 -

Nonstop2h 05m

Tue 8/1215:20 -

Nonstop2h 10m

Deal found 7/9£165

Wed 7/1016:30 -

1 stop14h 55m

Wed 14/1009:00 -

1 stop7h 50m

Deal found 7/9£152

Mon 5/1018:05 -

1 stop13h 20m

Wed 7/1009:35 -

1 stop8h 45m

Deal found 5/9£126

Wed 18/1118:00 -

2 stops27h 40m

Mon 23/1111:55 -

1 stop10h 25m

Deal found 2/9£180

Fri 2/1020:55 -

1 stop10h 35m

Sun 4/1006:25 -

Nonstop2h 25m

Deal found 6/9£152

Sun 6/1206:00 -

1 stop5h 20m

Fri 11/1215:10 -

1 stop8h 05m

Deal found 6/9£127

Wed 18/1111:35 -

Nonstop2h 05m

Mon 23/1115:20 -

Nonstop2h 10m

Deal found 2/9£172

Tue 6/1013:10 -

1 stop4h 45m

Tue 20/1006:30 -

1 stop7h 05m

Deal found 5/9£197

Thu 22/1021:55 -

1 stop9h 30m

Sun 25/1018:45 -

1 stop4h 55m

Deal found 5/9£129

Mon 28/906:50 -

2 stops14h 50m

Thu 8/1015:30 -

2 stops7h 05m

Deal found 7/9£190

Fri 6/1108:05 -

Nonstop2h 05m

Tue 10/1115:20 -

Nonstop2h 10m

Deal found 7/9£181

Sat 19/912:15 -

1 stop5h 40m

Wed 23/910:45 -

1 stop7h 40m

Deal found 6/9£208

Fri 2/1018:00 -

1 stop13h 50m

Mon 5/1007:00 -

2 stops8h 50m

Deal found 2/9£129

Tue 6/1006:50 -

2 stops14h 50m

Fri 16/1011:45 -

1 stop10h 50m

Deal found 4/9£197

Fri 5/314:35 -

1 stop7h 15m

Sun 7/308:00 -

1 stop7h 45m

Deal found 5/9£182

Fri 20/1108:05 -

Nonstop2h 05m

Tue 24/1115:20 -

Nonstop2h 10m

Deal found 5/9£189

Sat 17/1016:50 -

1 stop5h 05m

Tue 20/1022:00 -

1 stop10h 55m

Deal found 3/9£131

Wed 14/1011:05 -

2 stops10h 35m

Tue 20/1006:25 -

2 stops16h 10m

Deal found 3/9£201

Thu 17/919:55 -

Nonstop2h 15m

Mon 21/922:00 -

1 stop11h 30m

Deal found 2/9£188

Find flight deals from London to Siena

Round-trip from	£118
One-way from	£70
Popular in	September
Cheapest in	January
Average price	£237

ITA Airways
5/11-9/11
2 total stops
12h 00m total
London to Siena

Search Deals

21/11-31/12
1 total stop
6h 55m total
London to Siena

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£16 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonFlorence

LGW London Gatwick - FLR Florence Peretola

LGWFLR

London Gatwick

Mon 14/9

21:05-08:25

1 stop10h 20m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£73

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Tue 29/9

09:15-21:55

2 stops11h 40m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Sun 20/9

08:30-10:20

2 stops24h 50m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£75

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Mon 28/9

21:45-12:25

2 stops13h 40m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£77

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Fri 9/10

07:50-22:05

2 stops13h 15m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£78

LondonFlorence

STN London Stansted - FLR Florence Peretola

STNFLR

London Stansted

Sun 1/11

08:30-11:45

Nonstop2h 15m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Thu 17/9

13:10-13:50

1 stop23h 40m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£79

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Sun 4/10

06:30-17:55

2 stops10h 25m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Tue 15/9

14:45-08:20

1 stop16h 35m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

LondonFlorence

LTN London Luton - FLR Florence Peretola

LTNFLR

London Luton

Fri 2/10

21:50-13:10

2 stops14h 20m

Florence Peretola

Wed 31/12

00:00-00:00

Nonstop0h 00m

£82

Flights are sorted by cheapest return flights first.

Deals found on 2/9

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.

STN-FLR

LGW-FLR

LCY-FLR

LHR-FLR

LTN-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

STN-FLR

LGW-FLR

LCY-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 10% on the cost of your flight, compared to a flight in the afternoon.

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 £156 and £285 in November.
The cheapest return price found within the last 5 days was £118 on ITA Airways (5 Nov–9 Nov).

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

3,248 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

5,487 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

1,925 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

8,209 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 05m. Vueling provides one of the quickest options available for as low as £161. The distance between London and Siena is about 741 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 (70%) or British Airways (70%) 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 £175, our data shows the cheapest flight currently is £78. When looking at the most popular route, (London Heathrow - Florence Peretola), you can expect to pay £132 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£105	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Ryanair	Cheapest£29	Average£113	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Vueling	Cheapest£65	Average£159	FlexibilityNo cancel fee	On-time88%	Search Vueling flights
British Airways	Cheapest£101	Average£234	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
ITA Airways	Cheapest£128	Average£161	FlexibilityNo cancel fee	On-time81%	Search ITA Airways flights
Iberia	Cheapest£130	Average£212	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Lufthansa	Cheapest£139	Average£191	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	Cheapest£155	Average£252	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£158	Average£266	FlexibilityNo cancel fee	On-time75%	Search KLM flights
SWISS	Cheapest£160	Average£201	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 £70

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. 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 7 September 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 7 September 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 7 September 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 7 September 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 7 September 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 7 September 2026.

Last-minute flights from London to SienaDiscover last-minute flight deals from London to Siena. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Siena. Data last updated 7 September 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 7 September 2026.

Search for one-way flight options from London to Siena. Find affordable one-way fares based on user searches. Data last updated 7 September 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 7 September 2026.

It’s optimal to fly from London to Siena at midday. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the afternoon.

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 £156 and £285 in November.The cheapest return price found within the last 5 days was £118 on ITA Airways (5 Nov–9 Nov).

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 5 September 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

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

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Direct flights to Tuscany

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Search flights from London to Siena by cabin class

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London and Siena flights

Browse other London and Siena flight options. Last updated on 7 September 2026.

Other flights from London

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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 7 September 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 7 September 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 7 September 2026.

Last-minute flights from London to Siena
Discover last-minute flight deals from London to Siena. Data last updated 7 September 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 7 September 2026.

London to Siena flights typically cost between £156 and £285 in November.
The cheapest return price found within the last 5 days was £118 on ITA Airways (5 Nov–9 Nov).