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C$ 456+ 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
— BLQ
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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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 28 October 2025.

Mon 17/116:45 p.m.YYZ - FLR
1 stop10h 35mKLM
Tue 25/1112:15 p.m.FLR - YYZ
1 stop13h 00mKLM
Deal found 27/10C$ 730
Mon 24/116:45 p.m.YYZ - FLR
1 stop32h 10mDelta
Sun 7/126:40 a.m.FLR - YYZ
1 stop18h 35mDelta
Deal found 28/10C$ 733
Mon 17/1110:45 p.m.YYZ - FLR
1 stop18h 10mAir France
Mon 24/116:50 a.m.FLR - YYZ
1 stop19h 45mAir France
Deal found 25/10C$ 737
Mon 17/113:38 p.m.YYZ - FLR
2 stops16h 47mDelta
Tue 2/1212:15 p.m.FLR - YYZ
1 stop13h 00mDelta
Deal found 27/10C$ 769
Sun 16/1112:08 p.m.YYZ - FLR
2 stops17h 12mDelta
Tue 25/116:40 a.m.FLR - YYZ
1 stop18h 35mDelta
Deal found 28/10C$ 771
Sun 16/119:15 p.m.YYZ - FLR
1 stop19h 40mKLM
Tue 25/116:40 a.m.FLR - YYZ
1 stop18h 35mKLM
Deal found 28/10C$ 775
Mon 17/116:05 p.m.YYZ - FLR
2 stops14h 20mKLM
Mon 24/1112:15 p.m.FLR - YYZ
1 stop14h 20mKLM
Deal found 25/10C$ 776
Sun 16/116:05 p.m.YYZ - FLR
2 stops16h 15mDelta
Wed 19/1112:20 p.m.FLR - YYZ
1 stop33h 20mDelta
Deal found 27/10C$ 778
Sat 6/126:45 p.m.YYZ - FLR
1 stop13h 40mDelta
Sat 10/16:50 a.m.FLR - YYZ
2 stops18h 25mDelta
Deal found 27/10C$ 780
Mon 8/126:45 p.m.YYZ - FLR
1 stop32h 10mDelta
Sat 10/19:50 a.m.FLR - YYZ
2 stops15h 25mDelta
Deal found 27/10C$ 783
Sat 6/126:45 p.m.YYZ - FLR
1 stop13h 40mDelta
Thu 8/16:40 a.m.FLR - YYZ
2 stops34h 37mDelta
Deal found 27/10C$ 785
Mon 8/126:45 p.m.YYZ - FLR
1 stop32h 10mDelta
Thu 8/112:20 p.m.FLR - YYZ
2 stops35h 03mDelta
Deal found 27/10C$ 786

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 629,999 searches and data was last updated on 28 October 2025.

Round-trip from

C$ 730

One-way from

C$ 456

Popular in

December

Cheapest in

November

Average price

C$ 908
KLM
  • KLM
  • 17/11-25/11
  • 2 total stops
  • 23h 35m total
  • Toronto to Florence
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 10/12
  • 2 total stops
  • 23h 00m total
  • Toronto to Siena
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 629,999 searches and data was last updated on 28 October 2025.
Use the filters below to find and compare flights to Siena that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Wed 28/1

10:55 p.m.-7:50 p.m.

1 stop14h 55m

Florence Peretola

Tue 3/2

12:15 p.m.-7:15 p.m.

1 stop13h 00m

C$ 730

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Wed 28/1

10:55 p.m.-7:50 p.m.

1 stop14h 55m

Florence Peretola

Wed 4/2

12:20 p.m.-3:40 p.m.

1 stop33h 20m

C$ 730

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-6:30 p.m.

1 stop19h 15m

Florence Peretola

Wed 10/12

6:30 a.m.-2:45 p.m.

1 stop14h 15m

C$ 730

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Sun 29/3

6:15 p.m.-12:10 p.m.

1 stop11h 55m

Florence Peretola

Sat 18/4

1:05 p.m.-9:05 p.m.

1 stop14h 00m

C$ 738

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Mon 17/11

3:38 p.m.-2:25 p.m.

2 stops16h 47m

Florence Peretola

Tue 2/12

12:15 p.m.-7:15 p.m.

1 stop13h 00m

C$ 769

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Mon 17/11

6:05 p.m.-2:25 p.m.

2 stops14h 20m

Florence Peretola

Tue 25/11

6:40 a.m.-3:40 p.m.

1 stop15h 00m

C$ 769

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Tue 25/11

12:08 p.m.-2:25 p.m.

2 stops20h 17m

Florence Peretola

Tue 2/12

12:15 p.m.-7:15 p.m.

1 stop13h 00m

C$ 769

TorontoFlorence

YYZ - FLR

YYZFLR

Toronto Pearson Intl

Mon 17/11

6:05 p.m.-2:25 p.m.

2 stops14h 20m

Florence Peretola

Tue 2/12

12:15 p.m.-7:15 p.m.

1 stop13h 00m

C$ 769

TorontoFlorence

YTZ - FLR

YTZFLR

Toronto Island

Wed 28/1

12:30 p.m.-1:50 p.m.

2 stops19h 20m

Florence Peretola

Tue 3/2

2:40 p.m.-5:55 p.m.

2 stops33h 15m

C$ 789

TorontoFlorence

YTZ - FLR

YTZFLR

Toronto Island

Mon 17/11

12:30 p.m.-1:45 p.m.

2 stops19h 15m

Florence Peretola

Tue 2/12

6:55 p.m.-5:55 p.m.

2 stops29h 00m

C$ 789

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 36 results
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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 round-trip 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 round-trip flight from Toronto to Siena. Price data was last updated on 24 October 2025.

Booking 44 days in advance of your planned departure date is, on average, the best time to get cheap flights to Siena. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

How long is the flight to Siena?

On average, a flight from Toronto to Siena takes 20 hours 56 minutes. Flights to Siena from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Siena?

The most popular airlines flying from Toronto to Siena are KLM, Lufthansa and Air France.

KLM
KLM
From C$ 747
Lufthansa
Lufthansa
From C$ 786
Air France
Air France
From C$ 739
British Airways
British Airways
From C$ 815

What are the cheapest airlines that fly to Siena?

The cheapest airlines flying from Toronto to Siena are Delta, Air France and SWISS.

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 mm 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 28 October 2025.
See what other customers who have flown with KLM,Air Canada, andLufthansa to Italy have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,406 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Air Canada
7.1
Good
10,371 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,538 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
ITA Airways
6.7
Okay
1,078 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,483 reviews
KLM
7.7
Good
1,406 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Comfort

7.7

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

FAQs about flying to Siena

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

    Yes, flights with layovers 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, SWISS is rated the highest out of the airlines that fly to Siena.

  • How much is a round-trip flight to Siena?

    A round-trip flight to Siena will typically cost around C$ 827, however they can be found for as little as C$ 700.

  • Where does the fastest flight to Siena depart from?

    For those looking to save time traveling to Siena, Montreal offers the quickest one-way flight (10 hours 30 minutes).

  • Does Bologna Guglielmo Marconi have rental cars?

    Yes. Those touching down at Bologna Guglielmo Marconi can take advantage of the rental car 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 km away from Bologna Guglielmo Marconi).

See more FAQs

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