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$427+ Cheap flights from Trieste (TRS) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — BOS
May 10 — May 171
Sun 5/10
Sun 5/17
1 adult, Economy
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Cheap flight deals from Trieste to Boston

Cheapest flights from Trieste to Boston
Explore the most affordable flight options available from Trieste to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.

This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:40 pm
TRS
-
BOS
1 stop11h 30m
Lufthansa
Fri 10/910:00 pm
BOS
-
TRS
1 stop17h 55m
Lufthansa
Deal found 4/8$608
This Lufthansa deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
TRS
-
BOS
1 stop15h 25m
Lufthansa
Mon 4/275:45 pm
BOS
-
TRS
1 stop14h 10m
Lufthansa
Deal found 4/7$612
This Expedia deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:10 am
TRS
-
BOS
1 stop15h 30m
Lufthansa
Mon 5/185:45 pm
BOS
-
TRS
1 stop22h 40m
Lufthansa
Deal found 4/7$625
This Lufthansa deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:20 am
TRS
-
BOS
1 stop15h 20m
Lufthansa
Tue 6/25:45 pm
BOS
-
TRS
1 stop22h 30m
Lufthansa
Deal found 4/10$641
This Expedia deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:35 am
TRS
-
BOS
2 stops30h 47m
KLM
Fri 10/94:45 pm
BOS
-
TRS
1 stop19h 45m
KLM
Deal found 4/8$730
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:35 am
TRS
-
BOS
2 stops18h 14m
United Airlines
Fri 10/96:55 pm
BOS
-
TRS
2 stops57h 30m
United Airlines
Deal found 4/8$876
This Expedia deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/262:40 pm
TRS
-
BOS
2 stops15h 19m
Lufthansa
Thu 4/305:45 pm
BOS
-
TRS
1 stop22h 30m
Lufthansa
Deal found 4/10$941

Find flight deals from Trieste to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 10, 2026.

Round-trip from

$608
(Expedia)

One-way from

$427
(Kiwi.com)
From Trieste Ronchi dei Legionari to Boston Logan Intl
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One-way flight from Trieste Ronchi dei Legionari to Boston Logan Intl
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Trieste to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 4/23

2:40 pm-11:59 pm

2 stops15h 19m

Boston Logan Intl

Mon 4/27

5:45 pm-1:55 pm

1 stop14h 10m

$618

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 10/1

6:35 am-7:22 am

2 stops30h 47m

Boston Logan Intl

Fri 10/9

4:45 pm-6:30 pm

1 stop19h 45m

$730

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 10/1

6:35 am-6:49 pm

2 stops18h 14m

Boston Logan Intl

Fri 10/9

6:55 pm-10:25 am

2 stops57h 30m

$876

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Mon 5/4

6:10 am-5:40 pm

2 stops17h 30m

Boston Logan Intl

Mon 5/18

8:05 pm-6:30 pm

2 stops16h 25m

$891

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Fri 5/1

3:45 pm-9:05 pm

1 stop35h 20m

Boston Logan Intl

Thu 6/18

4:45 pm-8:45 pm

2 stops46h 00m

$945

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 10/1

3:15 pm-8:20 pm

3 stops35h 05m

Boston Logan Intl

Fri 10/9

8:50 pm-8:45 pm

2 stops17h 55m

$948
Quickest round-trip

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Fri 5/1

6:10 am-3:40 pm

1 stop15h 30m

Boston Logan Intl

Thu 6/18

10:00 pm-1:55 pm

1 stop9h 55m

$1,006

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Fri 5/1

7:15 pm-1:40 pm

1 stop24h 25m

Boston Logan Intl

Thu 6/18

5:05 pm-10:25 am

1 stop11h 20m

$1,055

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 4/23

6:35 am-3:10 pm

2 stops14h 35m

Boston Logan Intl

Mon 4/27

9:40 pm-10:55 pm

2 stops19h 15m

$1,109

TriesteBoston

TRS - BOS

TRSBOS

Trieste Ronchi dei Legionari

Thu 5/21

11:15 am-9:45 pm

2 stops16h 30m

Boston Logan Intl

Mon 5/25

8:50 pm-6:30 pm

2 stops15h 40m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/8

Showing 1-10 of 17 resultsSorted by cheapest first
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Best time to book a flight from Trieste to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Boston

What is the cheapest month to book a flight from Trieste to Boston?

Currently, August is the cheapest month in which you can book a flight from Trieste to Boston (average of $389). Flying from Trieste to Boston in February is currently the most expensive (average of $777). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trieste to Boston?

    Airlines like Lufthansa, KLM, and United Airlines fly from Trieste to Boston in about 15h 19m. The time it takes to get you to your destination can typically vary by up to 15h 28m. There are 3992 mi between Trieste and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Trieste to Boston that include hotel bookings?

    Yes. In addition to deals on Trieste to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Boston.

  • Can I find deals for business class flights from Trieste to Boston?

    Yes. Cheapflights offers flight deals from Trieste to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Boston?

    Currently, August is the cheapest month in which you can book a flight from Trieste to Boston (average of $389). Flying from Trieste to Boston in February is currently the most expensive (average of $777). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
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Concord
Hampton Beach
Watertown
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Cranston
Chelsea
Seabrook
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Peabody
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Lincoln
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Waltham
Lowell

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