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 28m.

What airlines fly to Trieste?

Lufthansa, SWISS and United Airlines 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 32% 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.

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

Flights via Rome (FCO) offer the lowest average round-trip price of $531.

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

United Airlines and Lufthansa are the most popular carriers operating from Boston Logan Intl to Trieste Ronchi dei Legionari

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

Flights connecting via Zurich (ZRH) have the shortest average one-way travel time: 10h 08m.

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

Rome (FCO) was the most common stop: 57% 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 May 2026.

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.

$376 Cheap Flights from Boston to Trieste in 2026

Q: What is the typical price of a round-trip flight between Boston and Trieste?

Prices are currently low for flights on this route. Typical prices usually range from $755 to $702. The lowest price recently found on this route was $643.

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Find the cheapest flights from Boston to Trieste

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 pm - 10:25 am

BOS

TRS

11h 20m

1 stop

6:35 am - 1:40 pm

TRS

BOS

13h 05m

1 stop

$643ITA Airways

Tue, Jul 28 - Tue, Aug 25

5:05 pm - 2:30 pm

BOS

TRS

15h 25m

1 stop

6:35 am - 1:40 pm

TRS

BOS

13h 05m

1 stop

$666ITA Airways

Wed, Jul 29 - Fri, Aug 21

5:05 pm - 10:55 pm

BOS

TRS

23h 50m

1 stop

7:15 pm - 1:40 pm

TRS

BOS

24h 25m

1 stop

$672ITA Airways

Mon, Aug 3 - Mon, Aug 24

9:25 am - 1:45 pm

BOS

TRS

22h 20m

2 stops

2:45 pm - 8:10 pm

TRS

BOS

11h 25m

1 stop

$691Lufthansa

Tue, Jul 28 - Tue, Aug 25

9:25 am - 1:45 pm

BOS

TRS

22h 20m

2 stops

2:45 pm - 8:10 pm

TRS

BOS

11h 25m

1 stop

$692Lufthansa

Tue, Jul 28 - Tue, Aug 25

5:05 pm - 10:25 am

BOS

TRS

11h 20m

1 stop

7:15 pm - 1:40 pm

TRS

BOS

24h 25m

1 stop

$698ITA Airways

Wed, Aug 12 - Wed, Aug 19

9:25 am - 1:45 pm

BOS

TRS

22h 20m

2 stops

6:20 am - 11:54 pm

TRS

BOS

23h 34m

2 stops

$701Lufthansa

Tue, Jul 28 - Tue, Aug 25

9:25 am - 1:45 pm

BOS

TRS

22h 20m

2 stops

6:20 am - 11:54 pm

TRS

BOS

23h 34m

2 stops

$709Lufthansa

Tue, Jul 28 - Tue, Aug 25

10:40 am - 1:55 pm

BOS

TRS

21h 15m

2 stops

6:10 am - 8:10 pm

TRS

BOS

20h 00m

1 stop

$722Multiple Airlines

Mon, Aug 3 - Mon, Aug 24

10:00 pm - 1:55 pm

BOS

TRS

9h 55m

1 stop

2:50 pm - 11:54 pm

TRS

BOS

39h 04m

2 stops

$724Lufthansa

Mon, Aug 3 - Mon, Aug 24

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ITA Airways flights from Boston to Trieste

Our best ITA Airways deals on Boston to Trieste flight tickets

ITA Airways

Jul 28

BOS5:05 pmBoston Logan Intl

11h 20m

1 stop

TRS10:25 amTrieste Ronchi dei Legionari

Aug 25

TRS6:35 amTrieste Ronchi dei Legionari

13h 05m

1 stop

BOS1:40 pmBoston Logan Intl

$643

ITA Airways

Jul 29

BOS5:05 pmBoston Logan Intl

15h 25m

1 stop

TRS2:30 pmTrieste Ronchi dei Legionari

Aug 21

TRS6:35 amTrieste Ronchi dei Legionari

13h 05m

1 stop

BOS1:40 pmBoston Logan Intl

$666

ITA Airways

Aug 3

BOS5:05 pmBoston Logan Intl

23h 50m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

Aug 24

TRS7:15 pmTrieste Ronchi dei Legionari

24h 25m

1 stop

BOS1:40 pmBoston Logan Intl

$672

Lufthansa flights from Boston to Trieste

Our best Lufthansa deals on Boston to Trieste flight tickets

Lufthansa

Jul 28

BOS9:25 amBoston Logan Intl

22h 20m

2 stops

TRS1:45 pmTrieste Ronchi dei Legionari

Aug 25

TRS2:45 pmTrieste Ronchi dei Legionari

11h 25m

1 stop

BOS8:10 pmBoston Logan Intl

$691

Lufthansa

Jul 28

BOS9:25 amBoston Logan Intl

22h 20m

2 stops

TRS1:45 pmTrieste Ronchi dei Legionari

Aug 25

TRS2:45 pmTrieste Ronchi dei Legionari

11h 25m

1 stop

BOS8:10 pmBoston Logan Intl

$692

Lufthansa

Jul 28

BOS9:25 amBoston Logan Intl

22h 20m

2 stops

TRS1:45 pmTrieste Ronchi dei Legionari

Aug 25

TRS6:20 amTrieste Ronchi dei Legionari

23h 34m

2 stops

BOS11:54 pmBoston Logan Intl

$701

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 7/28

5:05 pm-10:25 am

1 stop11h 20m

Trieste Ronchi dei Legionari

Tue 8/25

6:35 am-1:40 pm

1 stop13h 05m

$643

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Wed 7/29

5:05 pm-2:30 pm

1 stop15h 25m

Trieste Ronchi dei Legionari

Fri 8/21

6:35 am-1:40 pm

1 stop13h 05m

$666

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Mon 8/3

5:05 pm-10:55 pm

1 stop23h 50m

Trieste Ronchi dei Legionari

Mon 8/24

7:15 pm-1:40 pm

1 stop24h 25m

$672

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 7/28

9:25 am-1:45 pm

2 stops22h 20m

Trieste Ronchi dei Legionari

Tue 8/25

2:45 pm-8:10 pm

1 stop11h 25m

$691

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 7/28

9:25 am-1:45 pm

2 stops22h 20m

Trieste Ronchi dei Legionari

Tue 8/25

2:45 pm-8:10 pm

1 stop11h 25m

$692

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Wed 8/12

5:05 pm-10:25 am

1 stop11h 20m

Trieste Ronchi dei Legionari

Wed 8/19

7:15 pm-1:40 pm

1 stop24h 25m

$698

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 7/28

9:25 am-1:45 pm

2 stops22h 20m

Trieste Ronchi dei Legionari

Tue 8/25

6:20 am-11:54 pm

2 stops23h 34m

$701

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Tue 7/28

9:25 am-1:45 pm

2 stops22h 20m

Trieste Ronchi dei Legionari

Tue 8/25

6:20 am-11:54 pm

2 stops23h 34m

$709

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Mon 8/3

10:40 am-1:55 pm

2 stops21h 15m

Trieste Ronchi dei Legionari

Mon 8/24

6:10 am-8:10 pm

1 stop20h 00m

$722

BostonTrieste

BOS - TRS

BOSTRS

Boston Logan Intl

Mon 8/3

10:00 pm-1:55 pm

1 stop9h 55m

Trieste Ronchi dei Legionari

Mon 8/24

2:50 pm-11:54 pm

2 stops39h 04m

$724

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 typical price of a round-trip flight between Boston and Trieste?

What is the cheapest month to fly to Trieste?

The cheapest month to fly to Trieste from Boston is in January. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you don’t want to visit Trieste in January, then you should wait until November to fly from Boston, when ticket prices are also cheap, with an average price of $427.

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

Fastest flight time	10h 55m
Direct flights	None

The fastest flight from Boston to Trieste takes 10h 55m

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

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Frequently asked questions about flying from Boston to Trieste

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 55m, 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 May 2026.
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 62% of the total bookings. Other popular airlines include ITA Airways with 38%.

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 1,207 reviews		Search ITA Airways flights
Lufthansa	PriceFrom $513	Free Cancellation	Rating 6.8 7,975 reviews		Search Lufthansa flights

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Why use momondo?

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.