Cheap Flights from Lisbon (LIS) to Siena (SAY)

Popular airlines from Humberto Delgado Airport (LIS) to Ampugnano Airport (SAY)

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano) cost?
Snag a cheap one-way flight or cheap return flight from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano)?
is the most affordable month to fly from LIS to SAY. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LIS to SAY flight.
How many flights per day from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano)?
Direct flights from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from LIS to SAY?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano)?
To avoid potential delays on the Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano) last-minute?
Booking your ticket from LIS to SAY right before your getaway is typically more expensive. However, if you're flexible with your travel dates and times, you could grab a cheap last-minute fare.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Siena (SAY-Ampugnano)?
Typically, you can reschedule or cancel your LIS to SAY flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

Travel information

Origin airport
Humberto Delgado
Destination airport
Ampugnano
Distance
1103 mi

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Lisbon to Siena Flights

The cheapest times to fly from Lisbon to Siena

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Siena are during the month of . You can find some of the cheapest flights from Lisbon to Siena with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Siena

Sunday is one of the best days to book for cheap flights from Lisbon to Siena: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Siena

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Siena in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Siena flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Siena airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lisbon to Siena Flights

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*Available to One Key members.