$394+ Cheap flights from San Francisco (SFO) to Trieste (TRS)
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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRS
May 30 — Jun 61
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Trieste with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from San Francisco to TriesteExplore the most affordable flight options available from San Francisco to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
Explore the most affordable flight options available from San Francisco to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/12:40 pm
SFO
- TRS
1 stop22h 35m
Lufthansa
Tue 8/256:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 4/29![Lufthansa logo]()
$914
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:40 pm
SFO
- TRS
1 stop14h 15m
Lufthansa
Tue 9/296:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 4/27![Lufthansa logo]()
$965
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:50 pm
SFO
- TRS
2 stops23h 25m
Lufthansa
Tue 9/296:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$969
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:40 pm
SFO
- TRS
1 stop14h 15m
Lufthansa
Fri 9/256:10 am
TRS
- SFO
2 stops20h 03m
Lufthansa
Deal found 4/27![Lufthansa logo]()
$975
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:50 pm
SFO
- TRS
2 stops23h 25m
Lufthansa
Fri 10/26:10 am
TRS
- SFO
2 stops25h 47m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$980
This KAYAK deal was found by Cheapflights users on 4/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/72:40 pm
SFO
- TRS
1 stop14h 15m
Lufthansa
Mon 9/212:50 pm
TRS
- SFO
1 stop30h 50m
Lufthansa
Deal found 4/26![Lufthansa logo]()
$985
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:50 pm
SFO
- TRS
2 stops23h 25m
Lufthansa
Mon 9/282:50 pm
TRS
- SFO
1 stop30h 50m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$990
This ITA Airways deal was found by Cheapflights users on 4/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/63:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Tue 9/226:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/28![ITA Airways logo]()
$998
This ITA Airways deal was found by Cheapflights users on 4/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:15 pm
SFO
- TRS
1 stop18h 15m
Multiple Airlines
Wed 9/306:35 am
TRS
- SFO
2 stops20h 51m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,008
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:15 am
SFO
- TRS
2 stops29h 10m
Lufthansa
Fri 10/26:10 am
TRS
- SFO
1 stop15h 30m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,012
Best flights from San Francisco to TriesteDiscover carefully curated flight deals from San Francisco to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
Discover carefully curated flight deals from San Francisco to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 30, 2026.
This ITA Airways deal was found by Cheapflights users on 4/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Tue 9/296:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/28![ITA Airways logo]()
$998
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 8/110:35 pm
SFO
- TRS
2 stops50h 50m
United Airlines
Tue 8/256:35 am
TRS
- SFO
3 stops45h 37m
United Airlines
Deal found 4/29![United Airlines logo]()
$1,128
This ITA Airways deal was found by Cheapflights users on 4/26. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:15 pm
SFO
- TRS
1 stop14h 15m
Multiple Airlines
Sat 9/196:35 am
TRS
- SFO
2 stops20h 51m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$1,133
This ITA Airways deal was found by Cheapflights users on 4/28. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Thu 10/17:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 4/28![ITA Airways logo]()
$998
This ITA Airways deal was found by Cheapflights users on 4/26. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Sat 9/196:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/26![ITA Airways logo]()
$1,048
This ITA Airways deal was found by Cheapflights users on 4/25. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Tue 8/256:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/25![ITA Airways logo]()
$1,140
This ITA Airways deal was found by Cheapflights users on 4/29. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/103:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 9/216:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/29![ITA Airways logo]()
$1,213
This ITA Airways deal was found by Cheapflights users on 4/25. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/173:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Wed 7/296:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/25![ITA Airways logo]()
$1,308
This ITA Airways deal was found by Cheapflights users on 4/25. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Wed 7/296:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/25![ITA Airways logo]()
$1,308
This ITA Airways deal was found by Cheapflights users on 4/25. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/183:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Wed 7/296:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 4/25![ITA Airways logo]()
$1,308
Last-minute flights from San Francisco to TriesteDiscover last-minute flight deals from San Francisco to Trieste. Data last updated April 30, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Trieste. Data last updated April 30, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:40 pm
SFO
- TRS
1 stop22h 15m
Lufthansa
Tue 6/26:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,380
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:05 pm
SFO
- TRS
2 stops31h 55m
Lufthansa
Fri 7/36:10 am
TRS
- SFO
2 stops22h 52m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,387
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/292:40 pm
SFO
- TRS
1 stop22h 15m
Lufthansa
Mon 6/12:50 pm
TRS
- SFO
1 stop30h 50m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,400
This ITA Airways deal was found by Cheapflights users on 4/27. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Wed 7/87:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 4/27![ITA Airways logo]()
$1,405
This ITA Airways deal was found by Cheapflights users on 4/27. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/303:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Wed 7/87:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 4/27![ITA Airways logo]()
$1,349
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:55 pm
SFO
- TRS
1 stop36h 35m
Lufthansa
Thu 7/911:15 am
TRS
- SFO
1 stop17h 10m
Lufthansa
Deal found 4/27![Lufthansa logo]()
$1,398
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:05 pm
SFO
- TRS
2 stops32h 25m
Lufthansa
Fri 7/106:35 am
TRS
- SFO
1 stop21h 50m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,402
This KAYAK deal was found by Cheapflights users on 4/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/314:55 pm
SFO
- TRS
1 stop36h 35m
Lufthansa
Tue 7/76:35 am
TRS
- SFO
2 stops16h 45m
Lufthansa
Deal found 4/27![Lufthansa logo]()
$1,404
This KAYAK deal was found by Cheapflights users on 4/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:05 pm
SFO
- TRS
2 stops32h 25m
Lufthansa
Fri 7/32:40 pm
TRS
- SFO
2 stops19h 35m
Lufthansa
Deal found 4/28![Lufthansa logo]()
$1,409
This ITA Airways deal was found by Cheapflights users on 4/27. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/313:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 7/137:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 4/27![ITA Airways logo]()
$1,410
One-way flights from San Francisco to TriesteSearch for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
Search for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated April 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:05 pm
SFO
- TRS
2 stops32h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:35 pm
SFO
- TRS
2 stops18h 30m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:40 pm
SFO
- TRS
3 stops41h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$418
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:05 pm
SFO
- TRS
1 stop33h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:05 pm
SFO
- TRS
2 stops41h 00m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/39:05 pm
SFO
- TRS
2 stops31h 45m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:35 pm
SFO
- TRS
1 stop36h 50m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$486
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:35 pm
SFO
- TRS
3 stops41h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$493
Find flight deals from San Francisco to Trieste
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Trieste (TRS). 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 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $914 (Cheapflightsfares) |
One-way from | $539 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Trieste 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 30, 2026.
Use the filters below to find and compare flights from San Francisco to Trieste that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Tue 9/1
3:15 pm-2:30 pm
1 stop14h 15m
Trieste Ronchi dei Legionari
Tue 9/29
6:35 am-1:15 pm
1 stop15h 40m
$998
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 9/2
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Thu 10/1
7:15 pm-1:15 pm
1 stop27h 00m
$998
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 9/9
3:15 pm-2:30 pm
1 stop14h 15m
Trieste Ronchi dei Legionari
Sat 9/19
6:35 am-1:15 pm
1 stop15h 40m
$1,048
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sat 8/1
10:35 pm-10:25 am
2 stops50h 50m
Trieste Ronchi dei Legionari
Tue 8/25
6:35 am-7:12 pm
3 stops45h 37m
$1,128
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 9/9
3:15 pm-2:30 pm
1 stop14h 15m
Trieste Ronchi dei Legionari
Sat 9/19
6:35 am-6:26 pm
2 stops20h 51m
$1,133
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 8/19
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Tue 8/25
6:35 am-1:15 pm
1 stop15h 40m
$1,140
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Thu 9/10
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Mon 9/21
6:35 am-1:15 pm
1 stop15h 40m
$1,213
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 7/17
3:15 pm-10:55 pm
1 stop22h 40m
Trieste Ronchi dei Legionari
Wed 7/29
6:35 am-1:15 pm
1 stop15h 40m
$1,308
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Thu 7/16
3:15 pm-2:30 pm
1 stop14h 15m
Trieste Ronchi dei Legionari
Wed 7/29
6:35 am-1:15 pm
1 stop15h 40m
$1,308
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sat 7/18
3:15 pm-2:30 pm
1 stop14h 15m
Trieste Ronchi dei Legionari
Wed 7/29
6:35 am-1:15 pm
1 stop15h 40m
$1,308
Showing 1-10 of 19 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on San Francisco-Trieste flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Trieste flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Trieste flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Trieste flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Trieste
Have a flexible travel schedule? Discover the best time to fly to Trieste from San Francisco with our price prediction graph.
SFO-TRS
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.
Reviews of airlines servicing Trieste
Get insights into the airlines that provide service to Trieste. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trieste. Reviews last updated April 30, 2026.
See what other customers who have flown with Lufthansa and ITA Airways from San Francisco to Trieste have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.0
Food
6.3
Entertainment
6.4
Crew
7.6
Comfort
6.8
Overall
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Boarding
7.0
Food
6.3
Entertainment
6.4
Crew
7.6
Comfort
6.8
Overall
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Boarding
7.0
Food
6.3
Entertainment
6.4
Crew
7.6
Comfort
6.8
Overall
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
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Top 2 airlines flying from San Francisco to Trieste
Discover the top 2 airlines that operate flights from San Francisco to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$693 | Average$1,375 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$762 | Average$1,115 | FlexibilityNo cancel fee | On-time81% |