Which layover airport has the shortest travel time from Boston to Trieste?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 10h 05m.

Which layover airport offers the lowest fares from Boston to Trieste?

Flights via Rome (FCO) offer the lowest average round-trip price of $746.

Which layover airport has the shortest connection time from Boston to Trieste?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 23m.

What airlines fly to Trieste?

SWISS, Lufthansa and British Airways are the top three most popular airlines that fly to Trieste from Boston according to our data. SWISS is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 18 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boston and Trieste?

Rome (FCO) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

Prices for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.

How many operators does momondo search for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

The number of operators available for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport is 2 as of September 2025.

How old do you have to be to fly from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport.

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$294 Cheap Flights from Boston to Trieste in 2025/26

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Find the cheapest flights from Boston to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

6:20 pm - 2:30 pmBOS-TRS

15h 10m1 stop

6:35 am - 1:45 pmTRS-BOS

13h 10m1 stop

$401ITA Airways

Find Deal

Wed, Oct 29 - Wed, Nov 5

6:15 am - 2:05 pmBOS-TRS

25h 50m2 stops

6:25 am - 7:12 pmTRS-BOS

18h 47m2 stops

$477

Find Deal

Thu, Nov 6 - Thu, Nov 13

4:20 pm - 2:05 pmBOS-TRS

15h 45m1 stop

6:25 am - 2:52 pmTRS-BOS

14h 27m2 stops

$496

Find Deal

Thu, Nov 6 - Thu, Nov 13

9:40 pm - 10:40 pmBOS-TRS

20h 00m2 stops

2:40 pm - 1:25 pmTRS-BOS

28h 45m1 stop

$499Lufthansa

Find Deal

Wed, Oct 29 - Wed, Nov 5

9:40 pm - 10:40 pmBOS-TRS

20h 00m2 stops

2:40 pm - 11:42 pmTRS-BOS

15h 02m2 stops

$508

Find Deal

Wed, Oct 29 - Wed, Nov 5

4:20 pm - 2:05 pmBOS-TRS

15h 45m1 stop

6:25 am - 1:25 pmTRS-BOS

13h 00m1 stop

$515Lufthansa

Find Deal

Thu, Nov 6 - Thu, Nov 13

12:38 pm - 10:25 amBOS-TRS

15h 47m2 stops

6:35 am - 10:37 pmTRS-BOS

22h 02m2 stops

$688United Airlines

Find Deal

Fri, Feb 27 - Thu, Mar 5

8:40 pm - 2:05 pmBOS-TRS

35h 25m2 stops

2:50 pm - 1:10 pmTRS-BOS

28h 20m1 stop

$789Lufthansa

Find Deal

Fri, Feb 27 - Thu, Mar 5

11:05 pm - 10:55 pmBOS-TRS

42h 50m2 stops

11:15 am - 1:55 pmTRS-BOS

32h 40m2 stops

$1,983Emirates

Find Deal

Tue, Oct 28 - Tue, Nov 4

11:05 pm - 10:55 pmBOS-TRS

41h 50m2 stops

11:15 am - 2:10 pmTRS-BOS

56h 55m2 stops

$9,176Emirates

Find Deal

Sun, Oct 5 - Sat, Oct 11

ITA Airways flights from Boston to Trieste

Our best ITA Airways deals on Boston to Trieste flight tickets

ITA Airways

Oct 29

BOS6:20 pmBoston Logan Intl

15h 10m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 5

TRS6:35 amTrieste Ronchi dei Legionari

13h 10m

1 stop

BOS1:45 pmBoston Logan Intl

$401

Find similar

ITA Airways

Sep 17

BOS5:05 pmBoston Logan Intl

11h 20m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Sep 26

TRS6:35 amTrieste Ronchi dei Legionari

13h 05m

1 stop

BOS1:40 pmBoston Logan Intl

$6,461

Find similar

ITA Airways

Sep 17

BOS5:05 pmBoston Logan Intl

21h 55m

2 stops

TRS9:00 pmTrieste Ronchi dei Legionari

Sep 26

TRS6:35 amTrieste Ronchi dei Legionari

13h 05m

1 stop

BOS1:40 pmBoston Logan Intl

$6,484

Find similar

Lufthansa flights from Boston to Trieste

Our best Lufthansa deals on Boston to Trieste flight tickets

Lufthansa

Oct 29

BOS9:40 pmBoston Logan Intl

20h 00m

2 stops

TRS10:40 pmTrieste Ronchi dei Legionari

Nov 5

TRS2:40 pmTrieste Ronchi dei Legionari

28h 45m

1 stop

BOS1:25 pmBoston Logan Intl

$499

Find similar

Lufthansa

Nov 6

BOS4:20 pmBoston Logan Intl

15h 45m

1 stop

TRS2:05 pmTrieste Ronchi dei Legionari

Nov 13

TRS6:25 amTrieste Ronchi dei Legionari

13h 00m

1 stop

BOS1:25 pmBoston Logan Intl

$515

Find similar

Lufthansa

Feb 27

BOS8:40 pmBoston Logan Intl

35h 25m

2 stops

TRS2:05 pmTrieste Ronchi dei Legionari

Mar 5

TRS2:50 pmTrieste Ronchi dei Legionari

28h 20m

1 stop

BOS1:10 pmBoston Logan Intl

$789

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Wed 10/29

6:20 pm-2:30 pm

1 stop15h 10m

Trieste Ronchi dei Legionari

Wed 11/5

6:35 am-1:45 pm

1 stop13h 10m

$401

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Thu 11/6

6:15 am-2:05 pm

2 stops25h 50m

Trieste Ronchi dei Legionari

Thu 11/13

6:25 am-7:12 pm

2 stops18h 47m

$477

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Thu 11/6

4:20 pm-2:05 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Thu 11/13

6:25 am-2:52 pm

2 stops14h 27m

$496

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Wed 10/29

9:40 pm-10:40 pm

2 stops20h 00m

Trieste Ronchi dei Legionari

Wed 11/5

2:40 pm-1:25 pm

1 stop28h 45m

$499

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Wed 10/29

9:40 pm-10:40 pm

2 stops20h 00m

Trieste Ronchi dei Legionari

Wed 11/5

2:40 pm-11:42 pm

2 stops15h 02m

$508

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Thu 11/6

4:20 pm-2:05 pm

1 stop15h 45m

Trieste Ronchi dei Legionari

Thu 11/13

6:25 am-1:25 pm

1 stop13h 00m

$515

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 2/27

12:38 pm-10:25 am

2 stops15h 47m

Trieste Ronchi dei Legionari

Thu 3/5

6:35 am-10:37 pm

2 stops22h 02m

$688

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 2/27

8:40 pm-2:05 pm

2 stops35h 25m

Trieste Ronchi dei Legionari

Thu 3/5

2:50 pm-1:10 pm

1 stop28h 20m

$789

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 10/28

11:05 pm-10:55 pm

2 stops42h 50m

Trieste Ronchi dei Legionari

Tue 11/4

11:15 am-1:55 pm

2 stops32h 40m

$1,983

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Sun 10/5

11:05 pm-10:55 pm

2 stops41h 50m

Trieste Ronchi dei Legionari

Sat 10/11

11:15 am-2:10 pm

2 stops56h 55m

$9,176

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How to get the cheapest flight ticket from Boston to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

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Layovers

What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Tuesday when prices can be found for as low as $800. This is often the case because there is less demand to fly during this day of the week. Flights from Boston to Trieste on a Wednesday will generally be more expensive and average around $1,206. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Trieste?

Our most recent data shows that the best time of day to fly to Trieste is in the afternoon. Flights from Boston to Trieste during this time can be as low as $1,048. Flights to Trieste are more costly in the evening, with an average ticket price of $1,147. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Boston to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Trieste according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Trieste (BOS to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Trieste

Direct flights	None

There are no direct flights from Boston to Trieste. There are no popular flight routes from Boston to Trieste.

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How far is Boston Logan Intl to Trieste Ronchi dei Legionari by plane?
There are 4011.9 mi between Boston Logan Intl and Trieste Ronchi dei Legionari. Flights usually cover this in 10h 05m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?
Prices for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport are updated daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?
The number of operators available for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport is 2 as of September 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport.
What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?
The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boston to Trieste?
Based on momondo bookings for flights between Boston and Trieste, the leading airline is Lufthansa, making up 63% of the total bookings. Other popular airlines include ITA Airways with 37%.

Best airlines flying from Boston to Trieste

Compare and see reviews for airlines that fly from Boston to Trieste with momondo

Airline	Rating	Free Cancellation	Price
ITA Airways	PriceFrom $427	Free Cancellation	Rating 6.7 1,036 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $513	Free Cancellation	Rating 6.8 7,407 reviews		Search Lufthansa flights

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Why should I use momondo to find a flight deal from Boston to Trieste?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Trieste for you.

Can I find flights from Boston to Trieste with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Trieste flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Trieste?

momondo provides multiple filters to help you find the best flight to Trieste from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Trieste right now. Can momondo alert me if prices change?

Price alerts on flights to Trieste from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Trieste trip

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Cheap flights from Boston to Trieste from $294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Trieste departing on 10/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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ITA Airways flights from Boston to Trieste

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How to get the cheapest flight ticket from Boston to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Trieste?

What is the cheapest time of day to depart on your flight to Trieste?

What airlines fly to Trieste?

Which airport is the most popular layover for flights between Boston and Trieste?

Rome (FCO) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Boston to Trieste?

Flights via Rome (FCO) offer the lowest average round-trip price of $746.

Which layover airport has the shortest travel time from Boston to Trieste?

Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 10h 05m.

Which layover airport has the shortest connection time from Boston to Trieste?

Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 23m.

When to book flights from Boston to Trieste

Cheap Boston to Trieste (BOS to TRS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Trieste

Direct flights

How far is Boston Logan Intl to Trieste Ronchi dei Legionari by plane?

When did momondo last update prices for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

How many operators does momondo search for flights from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

How old do you have to be to fly from Boston Logan Intl Airport to Trieste Ronchi dei Legionari Airport?

What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

What is the most popular airline from Boston to Trieste?

Best airlines flying from Boston to Trieste

Compare and see reviews for airlines that fly from Boston to Trieste with momondo

Traveling to a place near Trieste?

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Trieste?

Can I find flights from Boston to Trieste with flexible booking policies on momondo?

How can momondo help me find flights from Boston to Trieste?

I’m not ready to book a flight from Boston to Trieste right now. Can momondo alert me if prices change?

An easier way to manage your Trieste trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo