$325 Cheap Flights from Boston (BOS) to Trieste (TRS)

View $325 flight on Sun, Nov 30, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Friuli Venezia Giulia Airport (TRS)

Cheap Flights from Boston to Trieste (BOS-TRS)

Prices were available within the past 7 days and start at $325 for one-way flights and $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

ITA Airways
Sun, Mar 1 - Wed, Mar 18
BOS
Boston
TRS
Trieste
$427 Roundtrip, found 4 days ago
$427
Roundtrip
found 4 days ago
Select ITA Airways flight, departing Sun, Mar 1 from Boston to Trieste, returning Wed, Mar 18, priced at $427 found 4 days ago
Air Canada
Mon, Nov 17 - Mon, Nov 24
BOS
Boston
TRS
Trieste
$441 Roundtrip, found 5 days ago
$441
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Nov 17 from Boston to Trieste, returning Mon, Nov 24, priced at $441 found 5 days ago
Delta
Wed, Jan 14 - Wed, Jan 21
BOS
Boston
TRS
Trieste
$442 Roundtrip, found 5 days ago
$442
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 14 from Boston to Trieste, returning Wed, Jan 21, priced at $442 found 5 days ago
Air Canada
Mon, Nov 17 - Mon, Nov 24
BOS
Boston
TRS
Trieste
$447 Roundtrip, found 5 days ago
$447
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Nov 17 from Boston to Trieste, returning Mon, Nov 24, priced at $447 found 5 days ago
Air Canada
Mon, Nov 17 - Mon, Nov 24
BOS
Boston
TRS
Trieste
$466 Roundtrip, found 5 days ago
$466
Roundtrip
found 5 days ago
Select Air Canada flight, departing Mon, Nov 17 from Boston to Trieste, returning Mon, Nov 24, priced at $466 found 5 days ago
United
Sun, Dec 28 - Thu, Jan 15
BOS
Boston
TRS
Trieste
$472 Roundtrip, found 4 days ago
$472
Roundtrip
found 4 days ago
Select United flight, departing Sun, Dec 28 from Boston to Trieste, returning Thu, Jan 15, priced at $472 found 4 days ago
ITA Airways
Sun, Nov 9 - Sun, Nov 16
BOS
Boston
TRS
Trieste
$477 Roundtrip, found 1 day ago
$477
Roundtrip
found 1 day ago
Select ITA Airways flight, departing Sun, Nov 9 from Boston to Trieste, returning Sun, Nov 16, priced at $477 found 1 day ago
Air Canada
Fri, Feb 6 - Tue, Feb 10
BOS
Boston
TRS
Trieste
$478 Roundtrip, found 6 days ago
$478
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Feb 6 from Boston to Trieste, returning Tue, Feb 10, priced at $478 found 6 days ago
Air Canada
Fri, Feb 6 - Tue, Feb 10
BOS
Boston
TRS
Trieste
$479 Roundtrip, found 6 days ago
$479
Roundtrip
found 6 days ago
Select Air Canada flight, departing Fri, Feb 6 from Boston to Trieste, returning Tue, Feb 10, priced at $479 found 6 days ago
Lufthansa
Wed, Apr 22 - Tue, May 5
BOS
Boston
TRS
Trieste
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Apr 22 from Boston to Trieste, returning Tue, May 5, priced at $496 found 1 day ago

Alternative airports near Trieste

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Friuli Venezia Giulia TRS. Cheapest and Closest option available. Average driving time to city center is 33 minutes. Flights from $726
TRS
Friuli Venezia Giulia
CheapestClosest
Average driving time to city center33 min
Flights from $726
Flights from Boston (BOS) to Trieste (TRS)
Origin airport
Logan Intl.
Destination airport
Friuli Venezia Giulia
Airlines serving
Austrian Airlines, Brussels Airlines, ITA Airways, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$427
Distance
3994 mi

Boston to Trieste Flights

The cheapest times to fly from Boston 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 Boston to Trieste are during the month of March. You can find some of the cheapest flights from Boston to Trieste with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Trieste

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Trieste in 2025. You can also book with separate airlines for your outbound and return journeys, from $325 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 Boston 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 Boston 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.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS) cost?
Grab a cheap one-way flight from $325 or cheap return flight from $427 from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS)?
Planning your trip for March is a great way to save, as it's the cheapest month for flights between BOS and TRS. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOS to TRS flight.
How many flights per day from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS)?
You'll need to book a flight with a layover when traveling from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from BOS to TRS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various 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 Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS)?
Select a flight from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be 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 Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS) last-minute?
Last-minute fares from BOS to TRS are usually more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, you may score a cheap fare right before you leave.
Is it cheaper to book a BOS to TRS flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to TRS flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Friuli Venezia Giulia Airport (TRS)?
Usually, it's possible to reschedule or cancel your BOS to TRS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.