$121 Cheap Flights from Sofia (SOF) to Trieste (TRS)

View $121 flight on Sun, Oct 12, 2025Opens in a new window

Popular airlines from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)

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Cheap Flights from Sofia to Trieste (SOF-TRS)

Prices were available within the past 7 days and start at $121 for one-way flights and $189 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Fri, Nov 21 - Mon, Nov 24
SOF
Sofia
TRS
Trieste
$189 Roundtrip, found 6 days ago
$189
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Sofia to Trieste, returning Mon, Nov 24, priced at $189 found 6 days ago
Lufthansa
Wed, Oct 8 - Fri, Oct 17
SOF
Sofia
TRS
Trieste
$207 Roundtrip, found 3 days ago
$207
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 8 from Sofia to Trieste, returning Fri, Oct 17, priced at $207 found 3 days ago
Lufthansa
Sun, Nov 9 - Sat, Nov 15
SOF
Sofia
TRS
Trieste
$216 Roundtrip, found 6 days ago
$216
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Sun, Nov 9 from Sofia to Trieste, returning Sat, Nov 15, priced at $216 found 6 days ago
Lufthansa
Wed, Oct 8 - Fri, Oct 17
SOF
Sofia
TRS
Trieste
$226 Roundtrip, found 3 days ago
$226
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 8 from Sofia to Trieste, returning Fri, Oct 17, priced at $226 found 3 days ago
Lufthansa
Fri, Nov 21 - Mon, Nov 24
SOF
Sofia
TRS
Trieste
$229 Roundtrip, found 6 days ago
$229
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Nov 21 from Sofia to Trieste, returning Mon, Nov 24, priced at $229 found 6 days ago
Lufthansa
Wed, Oct 8 - Fri, Oct 17
SOF
Sofia
TRS
Trieste
$234 Roundtrip, found 3 days ago
$234
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Wed, Oct 8 from Sofia to Trieste, returning Fri, Oct 17, priced at $234 found 3 days ago
ITA Airways
Wed, Oct 8 - Sat, Oct 18
SOF
Sofia
TRS
Trieste
$240 Roundtrip, found 3 days ago
$240
Roundtrip
found 3 days ago
Select ITA Airways flight, departing Wed, Oct 8 from Sofia to Trieste, returning Sat, Oct 18, priced at $240 found 3 days ago
Air Serbia
Sun, Nov 9 - Sat, Nov 15
SOF
Sofia
TRS
Trieste
$646 Roundtrip, found 6 days ago
$646
Roundtrip
found 6 days ago
Select Air Serbia flight, departing Sun, Nov 9 from Sofia to Trieste, returning Sat, Nov 15, priced at $646 found 6 days ago
Turkish Airlines
Sun, Nov 9 - Sat, Nov 15
SOF
Sofia
TRS
Trieste
$760 Roundtrip, found 6 days ago
$760
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Sun, Nov 9 from Sofia to Trieste, returning Sat, Nov 15, priced at $760 found 6 days ago
Air France
Sun, Oct 5 - Sat, Oct 18
SOF
Sofia
TRS
Trieste
$1,202 Roundtrip, found 5 days ago
$1,202
Roundtrip
found 5 days ago
Select Air France flight, departing Sun, Oct 5 from Sofia to Trieste, returning Sat, Oct 18, priced at $1,202 found 5 days ago

Frequently asked questions

How much does a flight from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS) cost?
Secure a cheap one-way flight from $121 or cheap return flight from $189 from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)?
The cheapest month to fly from SOF to TRS is November, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)?
To find the cheapest airline that'll fly you from SOF to TRS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)?
There are no daily direct flights from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from SOF to TRS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)?
To avoid potential delays on the Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS) last-minute?
Last-minute fares from SOF to TRS are usually more expensive. To lock in the lowest prices, start looking for flights early. That said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a SOF to TRS flight and hotel package?
Securing a SOF to TRS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our impressive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sofia Airport (SOF) to Friuli Venezia Giulia Airport (TRS)?
In most instances, you can modify or cancel your SOF to TRS flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Sofia
Destination airport
Friuli Venezia Giulia
Roundtrip price
$189
Distance
535 mi

Book with confidence

Book with confidence

Sofia to Trieste Flights

The cheapest times to fly from Sofia to Trieste

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 Sofia to Trieste are during the month of November. You can find some of the cheapest flights from Sofia to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sofia to Trieste

Sunday is one of the best days to book for cheap flights from Sofia to Trieste: 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 Sofia to Trieste

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 Sofia to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Sofia to Trieste 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 Sofia to Trieste 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.

 

Sofia to Trieste Flights

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*Available to One Key members.