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?

Lufthansa, SWISS and British Airways are the top three most popular airlines that fly to Trieste from Boston according to our data. Lufthansa 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 17 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Boston Logan Intl to Trieste Ronchi dei Legionari?

ITA Airways and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Trieste Ronchi dei Legionari

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 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 October 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.

$409 Cheap Flights from Boston to Trieste in 2025/26

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6:40 pm - 6:30 pmBOS-TRS

17h 50m1 stop

6:35 am - 2:35 pmTRS-BOS

14h 00m1 stop

$477KLM

Find Deal

Fri, Nov 28 - Thu, Dec 4

3:40 pm - 2:05 pmBOS-TRS

16h 25m2 stops

6:15 am - 2:52 pmTRS-BOS

14h 37m2 stops

$481Multiple Airlines

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Fri, Nov 28 - Thu, Dec 4

6:40 pm - 6:30 pmBOS-TRS

17h 50m1 stop

6:35 am - 8:00 pmTRS-BOS

19h 25m2 stops

$487KLM

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Fri, Nov 28 - Thu, Dec 4

5:20 pm - 2:30 pmBOS-TRS

15h 10m1 stop

6:35 am - 1:45 pmTRS-BOS

13h 10m1 stop

$528ITA Airways

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Fri, Dec 12 - Fri, Dec 19

6:20 pm - 6:30 pmBOS-TRS

19h 10m1 stop

3:15 pm - 2:45 pmTRS-BOS

28h 30m1 stop

$575ITA Airways

Find Deal

Sun, Mar 22 - Thu, Mar 26

5:25 pm - 2:05 pmBOS-TRS

15h 40m1 stop

6:25 am - 2:10 pmTRS-BOS

12h 45m1 stop

$589Lufthansa

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Sat, Mar 21 - Sat, Mar 28

5:25 pm - 2:05 pmBOS-TRS

15h 40m1 stop

3:00 pm - 5:40 pmTRS-BOS

31h 40m2 stops

$596Lufthansa

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Sat, Mar 21 - Sat, Mar 28

6:05 pm - 6:30 pmBOS-TRS

18h 25m2 stops

3:15 pm - 2:35 pmTRS-BOS

29h 20m2 stops

$673TAP AIR PORTUGAL

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Mon, Dec 8 - Sun, Dec 14

10:45 pm - 6:30 pmBOS-TRS

37h 45m2 stops

6:35 am - 2:35 pmTRS-BOS

38h 00m2 stops

$693TAP AIR PORTUGAL

Find Deal

Fri, Dec 12 - Fri, Dec 19

8:00 pm - 2:30 pmBOS-TRS

36h 30m2 stops

6:35 am - 7:55 pmTRS-BOS

19h 20m2 stops

$926Turkish Airlines

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Fri, Feb 13 - Sat, May 30

KLM flights from Boston to Trieste

Our best KLM deals on Boston to Trieste flight tickets

KLM

Nov 28

BOS6:40 pmBoston Logan Intl

17h 50m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Dec 4

TRS6:35 amTrieste Ronchi dei Legionari

14h 00m

1 stop

BOS2:35 pmBoston Logan Intl

$477

Find similar

KLM

Nov 28

BOS6:40 pmBoston Logan Intl

17h 50m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Dec 4

TRS6:35 amTrieste Ronchi dei Legionari

19h 25m

2 stops

BOS8:00 pmBoston Logan Intl

$487

Find similar

KLM

Dec 8

BOS6:45 pmBoston Logan Intl

17h 45m

1 stop

TRS6:30 pmTrieste Ronchi dei Legionari

Dec 14

TRS6:35 amTrieste Ronchi dei Legionari

14h 00m

1 stop

BOS2:35 pmBoston Logan Intl

$529

Find similar

Turkish Airlines flights from Boston to Trieste

Our best Turkish Airlines deals on Boston to Trieste flight tickets

Turkish Airlines

Feb 13

BOS8:00 pmBoston Logan Intl

36h 30m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

May 30

TRS6:35 amTrieste Ronchi dei Legionari

19h 20m

2 stops

BOS7:55 pmBoston Logan Intl

$926

Find similar

Turkish Airlines

Nov 7

BOS8:00 pmBoston Logan Intl

44h 55m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

Nov 11

TRS6:35 amTrieste Ronchi dei Legionari

41h 30m

2 stops

BOS6:05 pmBoston Logan Intl

$1,412

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 11/28

6:40 pm-6:30 pm

1 stop17h 50m

Trieste Ronchi dei Legionari

Thu 12/4

6:35 am-2:35 pm

1 stop14h 00m

$477

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 11/28

3:40 pm-2:05 pm

2 stops16h 25m

Trieste Ronchi dei Legionari

Thu 12/4

6:15 am-2:52 pm

2 stops14h 37m

$481

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 11/28

6:40 pm-6:30 pm

1 stop17h 50m

Trieste Ronchi dei Legionari

Thu 12/4

6:35 am-8:00 pm

2 stops19h 25m

$487

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 12/12

5:20 pm-2:30 pm

1 stop15h 10m

Trieste Ronchi dei Legionari

Fri 12/19

6:35 am-1:45 pm

1 stop13h 10m

$528

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Sun 3/22

6:20 pm-6:30 pm

1 stop19h 10m

Trieste Ronchi dei Legionari

Thu 3/26

3:15 pm-2:45 pm

1 stop28h 30m

$575

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Sat 3/21

5:25 pm-2:05 pm

1 stop15h 40m

Trieste Ronchi dei Legionari

Sat 3/28

6:25 am-2:10 pm

1 stop12h 45m

$589

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Sat 3/21

5:25 pm-2:05 pm

1 stop15h 40m

Trieste Ronchi dei Legionari

Sat 3/28

3:00 pm-5:40 pm

2 stops31h 40m

$596

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Mon 12/8

6:05 pm-6:30 pm

2 stops18h 25m

Trieste Ronchi dei Legionari

Sun 12/14

3:15 pm-2:35 pm

2 stops29h 20m

$673

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 12/12

10:45 pm-6:30 pm

2 stops37h 45m

Trieste Ronchi dei Legionari

Fri 12/19

6:35 am-2:35 pm

2 stops38h 00m

$693

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Fri 2/13

8:00 pm-2:30 pm

2 stops36h 30m

Trieste Ronchi dei Legionari

Sat 5/30

6:35 am-7:55 pm

2 stops19h 20m

$926

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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

Airlines

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 13h 00m, 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 October 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 54% of the total bookings. Other popular airlines include ITA Airways with 46%.

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 1,078 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $513	Free Cancellation	Rating 6.8 7,541 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 $409

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 11/5. 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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KLM 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 is the cheapest airline that flies from Boston Logan Intl to Trieste Ronchi dei Legionari?

ITA Airways and TAP AIR PORTUGAL are the most popular carriers operating from Boston Logan Intl to Trieste Ronchi dei Legionari

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