What is the cheapest month to fly to Siena?

Currently, January is the cheapest month in which you can book a flight to Siena . Flying to Siena in May will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 £149, however they can be found for as little as £33.

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).

£34+ Flights to Siena | Cheapflights

Flights to Siena in 2025

Return from	£85
One-way from	£34
Popular in	August
Cheapest in	January
Average price	£174

Vueling
10/5-21/5
Nonstop
4h 40m total
London to Florence

Search Deals

Vueling
31/5
Nonstop
2h 15m total
London to Siena

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£28 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).

Search Deals

Average for return flights in April 2025

Search Deals

Find flight deals to Siena

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 15 April 2025.

Sat 10/519:50LGW - FLR

Nonstop2h 15mVueling

Wed 21/506:25FLR - LGW

Nonstop2h 25mVueling

Deal found 15/4£85

Sat 31/505:30LGW - FLR

1 stop16h 45mMultiple Airlines

Thu 5/607:35FLR - LGW

Nonstop2h 25mMultiple Airlines

Deal found 14/4£104

Tue 10/606:00LTN - FLR

1 stop27h 00mMultiple Airlines

Wed 18/606:15FLR - LTN

1 stop5h 30mMultiple Airlines

Deal found 15/4£115

Sun 18/506:00LHR - FLR

1 stop15h 35mSWISS

Thu 22/506:05FLR - LHR

1 stop11h 20mSWISS

Deal found 14/4£123

Sat 10/506:40STN - FLR

1 stop6h 50mMultiple Airlines

Wed 21/506:15FLR - STN

1 stop5h 30mMultiple Airlines

Deal found 15/4£125

Wed 3/912:05LGW - FLR

1 stop5h 10mITA Airways

Sat 13/915:30FLR - LGW

1 stop20h 45mITA Airways

Deal found 15/4£131

Sat 10/516:30LHR - FLR

1 stop5h 15mLufthansa

Mon 12/513:35FLR - LHR

1 stop5h 50mLufthansa

Deal found 14/4£133

Thu 24/421:05LHR - FLR

1 stop11h 00mScandinavian Airlines

Mon 28/410:20FLR - LHR

1 stop7h 40mScandinavian Airlines

Deal found 14/4£134

Sat 10/517:10LHR - FLR

1 stop4h 25mMultiple Airlines

Mon 12/515:40FLR - LHR

1 stop5h 00mMultiple Airlines

Deal found 14/4£136

Mon 22/908:30LCY - FLR

1 stop8h 45mITA Airways

Sun 28/919:00FLR - LCY

1 stop16h 05mITA Airways

Deal found 15/4£149

Thu 30/1013:20LHR - FLR

1 stop18h 20mAir Serbia

Mon 3/1120:15FLR - LHR

1 stop17h 05mAir Serbia

Deal found 15/4£151

Fri 30/518:40LGW - FLR

1 stop22h 45mSWISS

Mon 9/606:05FLR - LGW

1 stop12h 45mSWISS

Deal found 15/4£157

Best flights to Siena
Discover carefully curated flight deals to Siena that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 April 2025.

Sat 10/519:50LGW - FLR

Nonstop2h 15mVueling

Wed 21/506:25FLR - LGW

Nonstop2h 25mVueling

Deal found 15/4£85

Sat 10/505:30LGW - FLR

1 stop16h 45mMultiple Airlines

Tue 13/506:25FLR - LGW

Nonstop2h 25mMultiple Airlines

Deal found 15/4£103

Wed 3/912:05LGW - FLR

1 stop5h 10mITA Airways

Sat 13/915:30FLR - LGW

1 stop20h 45mITA Airways

Deal found 15/4£131

Sat 10/512:10LHR - FLR

1 stop9h 25mSWISS

Wed 21/506:05FLR - LHR

1 stop7h 55mSWISS

Deal found 14/4£132

Sat 10/513:45LHR - FLR

1 stop5h 30mLufthansa

Wed 21/513:35FLR - LHR

1 stop4h 30mLufthansa

Deal found 15/4£145

Thu 15/521:05LHR - FLR

1 stop11h 00mScandinavian Airlines

Tue 20/512:20FLR - LHR

1 stop6h 20mScandinavian Airlines

Deal found 15/4£151

Sun 12/1019:25LHR - FLR

1 stop23h 20mAir Serbia

Fri 17/1009:10FLR - LHR

1 stop28h 20mAir Serbia

Deal found 15/4£151

Sat 10/519:00LHR - FLR

Nonstop2h 20mBritish Airways

Wed 14/512:40FLR - LHR

Nonstop2h 25mBritish Airways

Deal found 15/4£166

Sun 29/611:05LHR - FLR

1 stop22h 40mBrussels Airlines

Sat 5/711:30FLR - LHR

1 stop11h 05mBrussels Airlines

Deal found 15/4£169

Tue 3/619:30LHR - FLR

1 stop13h 45mAustrian Airlines

Sat 7/611:00FLR - LHR

1 stop22h 45mAustrian Airlines

Deal found 15/4£171

Thu 15/514:45LHR - FLR

1 stop6h 45mKLM

Tue 20/511:20FLR - LHR

1 stop5h 55mKLM

Deal found 15/4£173

Tue 3/617:00LCY - FLR

1 stop4h 45mAir Dolomiti

Wed 11/606:40FLR - LCY

1 stop12h 55mAir Dolomiti

Deal found 15/4£181

Direct flights to Siena
Explore direct flight options to Siena based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 April 2025.

Sat 10/519:50LGW - FLR

Nonstop2h 15mVueling

Wed 21/506:25FLR - LGW

Nonstop2h 25mVueling

Deal found 15/4£85

Sat 10/519:50LGW - FLR

Nonstop2h 15mMultiple Airlines

Mon 12/506:55FLR - LGW

Nonstop2h 25mMultiple Airlines

Deal found 14/4£136

Mon 14/719:00LHR - FLR

Nonstop2h 20mBritish Airways

Thu 17/707:05FLR - LHR

Nonstop2h 25mBritish Airways

Deal found 14/4£157

Sun 14/907:50STN - FLR

Nonstop2h 15mBritish Airways

Sat 20/916:15FLR - STN

Nonstop2h 15mBritish Airways

Deal found 15/4£185

Sat 10/519:50LGW - FLR

Nonstop2h 15mBritish Airways

Sun 11/506:25FLR - LGW

Nonstop2h 25mBritish Airways

Deal found 15/4£191

Sun 7/916:20LCY - FLR

Nonstop2h 10mBritish Airways

Fri 12/917:35FLR - LCY

Nonstop2h 20mBritish Airways

Deal found 15/4£224

Last-minute flights to Siena
Discover last-minute flight deals to Siena. Data last updated 15 April 2025 and is based on user searches.

Sun 20/413:45LHR - FLR

1 stop19h 00mSWISS

Sat 26/406:05FLR - LHR

1 stop16h 40mSWISS

Deal found 14/4£191

Thu 24/417:10LGW - FLR

1 stop19h 35mMultiple Airlines

Tue 29/406:25FLR - LGW

Nonstop2h 25mMultiple Airlines

Deal found 15/4£114

Thu 24/421:05LHR - FLR

1 stop11h 00mScandinavian Airlines

Mon 28/410:20FLR - LHR

1 stop7h 40mScandinavian Airlines

Deal found 14/4£134

Thu 24/421:00STN - FLR

1 stop15h 45mMultiple Airlines

Tue 29/407:45FLR - STN

1 stop9h 40mMultiple Airlines

Deal found 15/4£163

Thu 24/421:05LHR - FLR

1 stop11h 00mMultiple Airlines

Sat 3/507:10FLR - LHR

Nonstop2h 25mMultiple Airlines

Deal found 14/4£176

Thu 24/415:00LHR - FLR

1 stop6h 45mAir France

Sat 3/515:20FLR - LHR

1 stop4h 15mAir France

Deal found 14/4£180

Thu 24/418:40LGW - FLR

1 stop14h 05mSWISS

Mon 28/406:05FLR - LGW

1 stop12h 45mSWISS

Deal found 15/4£189

Thu 24/419:00LHR - FLR

Nonstop2h 20mBritish Airways

Mon 28/412:45FLR - LHR

Nonstop2h 25mBritish Airways

Deal found 15/4£190

Fri 25/419:55LGW - FLR

Nonstop2h 15mVueling

Tue 20/506:25FLR - LGW

Nonstop2h 25mVueling

Deal found 15/4£91

Fri 25/406:00LTN - FLR

1 stop6h 45mMultiple Airlines

Wed 30/406:15FLR - LTN

1 stop12h 50mMultiple Airlines

Deal found 15/4£153

Fri 25/419:10LHR - FLR

1 stop12h 55mLufthansa

Tue 29/413:35FLR - LHR

1 stop4h 30mLufthansa

Deal found 14/4£174

Fri 25/407:40LCY - FLR

2 stops9h 35mITA Airways

Tue 20/519:00FLR - LCY

1 stop16h 05mITA Airways

Deal found 15/4£207

One-way flights to Siena
Search for one-way flight options to Siena. Find affordable one-way fares based on user searches. Data last updated 15 April 2025.

Sat 31/519:50LGW - FLR

Nonstop2h 15mVueling

Deal found 15/4£34

Tue 13/515:30LHR - FLR

1 stop6h 00mMultiple Airlines

Deal found 14/4£62

Sun 14/907:50STN - FLR

Nonstop2h 15mBritish Airways

Deal found 15/4£63

Tue 29/408:25LGW - FLR

1 stop10h 35mMultiple Airlines

Deal found 15/4£65

Tue 29/407:10STN - FLR

1 stop11h 50mMultiple Airlines

Deal found 15/4£65

Tue 20/506:00LTN - FLR

1 stop27h 00mMultiple Airlines

Deal found 15/4£66

Sat 31/520:50LHR - FLR

1 stop10h 35mVueling

Deal found 15/4£78

Mon 16/617:10LHR - FLR

1 stop4h 25mSWISS

Deal found 14/4£79

Wed 1/1019:00LHR - FLR

Nonstop2h 20mBritish Airways

Deal found 15/4£83

Fri 30/520:40SEN - FLR

2 stops25h 15mMultiple Airlines

Deal found 15/4£83

Sun 12/1019:25LHR - FLR

1 stop23h 20mAir Serbia

Deal found 15/4£84

Thu 1/521:05LHR - FLR

1 stop11h 00mScandinavian Airlines

Deal found 14/4£85

Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sat 10/5

19:50-23:05

Nonstop2h 15m

Florence Peretola

Wed 21/5

06:25-07:50

Nonstop2h 25m

£85

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Sat 31/5

05:30-23:15

1 stop16h 45m

Florence Peretola

Thu 5/6

07:35-09:00

Nonstop2h 25m

£104

LondonFlorence

LTN - FLR

LTNFLR

London Luton

Tue 10/6

06:00-10:00

1 stop27h 00m

Florence Peretola

Wed 18/6

06:15-10:45

1 stop5h 30m

£115

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sun 18/5

06:00-22:35

1 stop15h 35m

Florence Peretola

Thu 22/5

06:05-16:25

1 stop11h 20m

£123

LondonFlorence

STN - FLR

STNFLR

London Stansted

Sat 10/5

06:40-14:30

1 stop6h 50m

Florence Peretola

Wed 21/5

06:15-10:45

1 stop5h 30m

£125

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Wed 3/9

12:05-18:15

1 stop5h 10m

Florence Peretola

Sat 13/9

15:30-11:15

1 stop20h 45m

£131

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sat 10/5

16:30-22:45

1 stop5h 15m

Florence Peretola

Mon 12/5

13:35-18:25

1 stop5h 50m

£133

LondonFlorence

LHR - FLR

LHRFLR

London Heathrow

Sat 10/5

17:10-22:35

1 stop4h 25m

Florence Peretola

Mon 12/5

15:40-19:40

1 stop5h 00m

£136

LondonFlorence

LCY - FLR

LCYFLR

London City

Mon 22/9

08:30-18:15

1 stop8h 45m

Florence Peretola

Sun 28/9

19:00-10:05

1 stop16h 05m

£149

LondonFlorence

LGW - FLR

LGWFLR

London Gatwick

Fri 30/5

18:40-18:25

1 stop22h 45m

Florence Peretola

Sun 8/6

06:05-17:50

1 stop12h 45m

£157

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 55 results

...

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?

The best time to book flights to Siena is 85 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 22 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?

Users looking for the lowest fares to Siena should consider flying on Wednesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, 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

From £84

British Airways

From £138

Lufthansa

From £178

SWISS

From £179

What are the cheapest airlines that fly to Siena?

The cheapest airlines flying from London to Siena are Ryanair, Vueling and easyJet.

Rainfall in Siena 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

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

Peruse reviews from past customers who have flown KLM, Austrian Airlines and Air France 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.

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

KLM

7.8

Good

1,323 reviews

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Austrian Airlines

7.6

Good

775 reviews

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Air France

7.5

Good

1,435 reviews

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

SWISS

7.5

Good

1,580 reviews

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

Scandinavian Airlines

7.3

Good

1,335 reviews

KLM

7.8

Good

1,323 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Mar 2025

LBA - AMS

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 £149, however they can be found for as little as £33.
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

Browse thousands of different options on Cheapflights for your next trip

Search flights to Siena by cabin class

Fly with Cheapflights

How does Cheapflights help users find flights to Siena?

Deals for Siena flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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

Millions of users choose and trust Cheapflights to book the best flight deals to Siena for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights to Siena with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights to Siena flexibly with Cheapflights today.

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

Yes! Start tracking prices for Siena flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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£34+ 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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Siena in 2025

Find the latest flights to Siena in 2025, 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 15 April 2025.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Siena

Cheapest flights to SienaExplore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2025.

Explore the most affordable flight options available to Siena. Find the lowest fares based on data from user searches, with prices last updated on 15 April 2025.

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 15 April 2025.

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

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.

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 11 April 2025.

How long is the flight to Siena?

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 16 December 2024.

What are the most popular airlines that fly to Siena?

What are the cheapest airlines that fly to Siena?

Rainfall in Siena by month

Plan your trip to Siena by taking into account the average rainfall totals by month.

Temperature in Siena by month

Plan your trip to Siena by taking into account the average temperature totals by month.

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 15 April 2025.

Peruse reviews from past customers who have flown KLM, Austrian Airlines and Air France 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.

FAQs about flying to Siena

Can I find cheaper flights to Siena if I am willing to have stopovers?

What is the best airline to fly to Siena?

How much is a return flight to Siena?

Where does the fastest flight to Siena depart from?

Does Bologna Guglielmo Marconi have car hire?

Are there hotels close to Bologna Guglielmo Marconi?

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.

Search flights to Siena by cabin class

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

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 to Siena?

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

Can Cheapflights find flights to Siena with no change fees?

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

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Travel Smart

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 15 April 2025.