The cheapest times to fly from BOS to TRS are

  • January 8th to April 1st
  • April 23rd to May 13th
  • September 24th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BOS to TRS is late January. Prices can be as high as $1629 for Saturday flights during mid December, or as low as $613 for Tuesday flights around late January.


When to Fly to Trieste

Flying from Boston, MA (BOS) to Trieste (TRS) will usually cost between $634 to $1308 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $636. Due to high demand the most expensive time to fly is mid December, with an average price of $1270. Planning your trip to low-cost times can easily save you $634 on economy flights and even more on first-class flights. Generally, any price below $814 can be considered a good price for a round-trip BOS to TRS flight.

See below for a graph of average weekly prices for the BOS to TRS route. All prices are for round-trip tickets in USD.

BOS to TRS Flight Prices

Compared to other flights, the BOS to TRS flight is cheaper than the average and costs less than the average flight leaving from Boston. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $155 (15%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $792. Return trip prices are from the TRS to BOS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BOS to TRS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 10 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BOS to TRS while comparing.

Destination alternative #1: Marco Polo International Airport (VCE) in Venice

  • 58 miles (93 km) away from TRS
  • Usually 25.88% less expensive than TRS
  • 1-layover flights available

See BOS to VCE flights

Destination alternative #2: Villafranca Airport (VRN) in Verona

  • 128 miles (206 km) away from TRS
  • Usually 6.88% less expensive than TRS
  • 1-layover flights available

See BOS to VRN flights

Destination alternative #3: Zagreb Airport (ZAG) in Zagreb

  • 125 miles (201 km) away from TRS
  • Usually 1.60% less expensive than TRS
  • 1-layover flights available

See BOS to ZAG flights


Flight Hacking BOS to TRS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BOS to TRS — but Champion Traveler does!

Hack #1: Rome (BOS > FCO > TRS)

  • Price for both tickets: $636
  • Average savings: $178 (21.82%)

See BOS to FCO flights

Hack #2: Munich (BOS > MUC > TRS)

  • Price for both tickets: $643
  • Average savings: $171 (20.96%)

See BOS to MUC flights

Hack #3: Frankfurt (BOS > FRA > TRS)

  • Price for both tickets: $647
  • Average savings: $167 (20.53%)

See BOS to FRA flights


Flight Questions Answered

Still have questions about flying from BOS to TRS? We’ve got answers.

Which airlines fly this route?

You can find 16 major airlines flying this route most often: Adria, Air Canada, Air Europa, Air France, Alitalia, American, British Airways, Delta, EgyptAir, JetBlue, KLM, Lufthansa, SAS, SWISS, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Trieste Airport to Logan International Airport?

The distance between the two airports is roughly 3993 miles or 6426 kilometers.

How long does it take to fly from BOS to TRS?

The real-world flight time for a nonstop BOS to TRS flight is about 8 hour 10 minutes.

How many flights go between Boston, MA and Trieste?

It depends on the day of the week and the date, but a typical day might have around 64 available flights from BOS to TRS.


Airport Location Info


Departing Airport

Origination code BOS
Origination airport name Logan International Airport
City Boston, MA
Country the United States
Latitude 42.4
Longitude -71

Return Airport

Destination code TRS
Destination airport name Trieste Airport
City Trieste
Country Italy
Latitude 45.8
Longitude 13.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.