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Cheap flights from London to Siena from £42

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BLQ
26 Dec — 2 Jan1
1 adult

The best prices from London to Siena are usually found in January or February, booked 88 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from London to Siena

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Siena (S1N). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 December 2024.

Round-trip from

£82

One-way from

£42

Popular in

May

Cheapest in

January

Average price

£173
Vueling
  • Vueling
  • 17/1-24/1
  • Nonstop
  • 4h 25m total
  • London to Siena
Vueling
  • Vueling
  • 5/2
  • Nonstop
  • 2h 05m total
  • London to Siena
High demand for flights, 15% potential price rise
Best time to find cheap flights, 4% potential price drop
Average for round-trip flights in December 2024

Find flight deals from London to Siena

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 21 December 2024.

Sat 21/1220:00LGW - FLR
Nonstop2h 00mVueling
Tue 24/1212:55FLR - LGW
Nonstop2h 20mVueling
Deal found 20/12£144
Tue 31/1217:05LHR - FLR
1 stop4h 50mKLM
Wed 8/106:40FLR - LHR
1 stop10h 25mKLM
Deal found 20/12£168
Fri 27/1206:00LGW - FLR
1 stop6h 40mMultiple Airlines
Mon 6/106:50FLR - LGW
Nonstop2h 25mMultiple Airlines
Deal found 20/12£178
Tue 31/1217:10LHR - FLR
1 stop14h 40mSWISS
Mon 6/118:55FLR - LHR
1 stop23h 55mSWISS
Deal found 20/12£180
Fri 27/1211:30LHR - FLR
1 stop5h 50mLufthansa
Mon 6/107:00FLR - LHR
1 stop9h 50mLufthansa
Deal found 20/12£192
Fri 27/1206:00LTN - FLR
1 stop6h 40mMultiple Airlines
Mon 6/118:45FLR - LTN
1 stop5h 10mMultiple Airlines
Deal found 20/12£193
Fri 27/1207:20STN - FLR
2 stops28h 00mMultiple Airlines
Mon 6/118:45FLR - STN
1 stop5h 40mMultiple Airlines
Deal found 20/12£202
Tue 31/1209:15LCY - FLR
1 stop22h 35mSWISS
Mon 6/118:55FLR - LCY
1 stop18h 55mSWISS
Deal found 20/12£206
Fri 27/1209:05LHR - FLR
1 stop4h 15mMultiple Airlines
Fri 3/117:15FLR - LHR
1 stop4h 45mMultiple Airlines
Deal found 21/12£212
Tue 31/1208:55LGW - FLR
Nonstop2h 15mBritish Airways
Mon 6/106:50FLR - LGW
Nonstop2h 25mBritish Airways
Deal found 20/12£228
Tue 31/1208:30LCY - FLR
1 stop9h 00mITA Airways
Mon 6/115:30FLR - LCY
2 stops17h 25mITA Airways
Deal found 20/12£255
Tue 31/1208:50LCY - FLR
Nonstop2h 05mBritish Airways
Mon 6/115:10FLR - LCY
Nonstop2h 10mBritish Airways
Deal found 20/12£267

Find flights from London to Siena within your budget

Customise your flight search to find flights from London to Siena that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Fri 17/1

19:55-23:00

Nonstop2h 05m

Florence Peretola

Fri 24/1

12:55-14:15

Nonstop2h 20m

£82

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sat 11/1

19:55-23:00

Nonstop2h 05m

Florence Peretola

Mon 13/1

19:10-19:45

2 stops25h 35m

£89

LondonFlorence

STN - FLR

STNFLR

London Stansted

Sun 12/1

08:30-11:45

Nonstop2h 15m

Florence Peretola

Sat 18/1

15:15-16:30

Nonstop2h 15m

£89

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Mon 3/2

06:10-23:00

2 stops15h 50m

Florence Peretola

Mon 10/2

11:00-08:15

2 stops22h 15m

£116

LondonFlorence

STN - FLR

STNFLR

London Stansted

Mon 3/2

07:15-19:00

1 stop10h 45m

Florence Peretola

Mon 10/2

19:10-08:10

1 stop14h 00m

£127

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Mon 3/2

11:10-22:35

1 stop10h 25m

Florence Peretola

Mon 10/2

07:00-15:50

1 stop9h 50m

£135

LondonFlorence

LCY - FLR

LCYFLR

London City

Sat 1/2

07:05-10:10

Nonstop2h 05m

Florence Peretola

Fri 7/2

15:10-16:20

Nonstop2h 10m

£136

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Tue 20/5

19:00-22:20

Nonstop2h 20m

Florence Peretola

Tue 27/5

07:05-08:30

Nonstop2h 25m

£142

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sat 11/1

06:30-16:20

1 stop8h 50m

Florence Peretola

Mon 13/1

06:40-10:45

1 stop5h 05m

£143

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Tue 4/2

14:45-19:50

1 stop4h 05m

Florence Peretola

Tue 11/2

15:30-21:25

1 stop6h 55m

£144

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 47 results
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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.
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.

Travel insights for flights from London to Siena

Get recent, data-driven insights about flights from London to Siena including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London 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 13 December 2024.

To ensure you get the cheapest price possible for a flight from London to Siena, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Siena?

Currently, January is the cheapest month in which you can book a flight from London to Siena (average of £118). Flying from London to Siena in May is currently the most expensive (average of £226). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 21 December 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Siena as you normally would.

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 16 December 2024.

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. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 21 December 2024.
Peruse reviews from past customers who have flown with Vueling, British Airways and KLM from London to Siena to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.8
Good
1,344 reviews
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.6
Good
785 reviews
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.6
Good
1,604 reviews
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.4
Good
1,501 reviews
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

7.3
Good
3,899 reviews
7.8
Good
1,344 reviews

Food

7.3

Comfort

7.7

Overall

7.8

Crew

8.4

Entertainment

7.2

Boarding

7.9

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from London to Siena. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from London to Siena one-way?

    The cheapet airlines for a one-way flight from London to Siena are Vueling (£42), British Airways (£49), and KLM (£84).

  • What are the most popular routes from London to Siena?

  • What are the most reliable airlines from London to Siena?

    Consider Qatar Airways (69%), Japan Airlines (68%) or American Airlines (68%) 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 £212, our data shows the cheapest flight currently is £63. When looking at the most popular route, (London Gatwick - Florence Peretola), you can expect to pay £46 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.

  • What is the cheapest month to book a flight from London to Siena?

    Currently, January is the cheapest month in which you can book a flight from London to Siena (average of £118). Flying from London to Siena in May is currently the most expensive (average of £226). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for London to Siena

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from London to Siena

Discover the top 9 airlines that operate flights from London to Siena. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 December 2024.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£34Average£128FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£53Average£148FlexibilityNo cancel feeOn-time86%
Search easyJet flights
VuelingCheapest£61Average£159FlexibilityNo cancel feeOn-time88%
Search Vueling flights
British AirwaysCheapest£68Average£269FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£128Average£175FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£132Average£189FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£133Average£186FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
KLMCheapest£147Average£225FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£155Average£260FlexibilityNo cancel feeOn-time77%
Search Air France flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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