$374+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRS
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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Best
Last-minute
One-way
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 August 15, 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 August 15, 2026.
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:15 pm -
1 stop18h 15m
Mon 8/247:25 pm -
1 stop26h 50m
Deal found 8/14![ITA Airways logo]()
$761
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:15 pm -
1 stop22h 40m
Wed 8/266:35 am -
1 stop15h 40m
Deal found 8/14![ITA Airways logo]()
$851
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:15 am -
2 stops20h 40m
Mon 8/242:50 pm -
1 stop30h 50m
Deal found 8/14![Lufthansa logo]()
$855
This ITA Airways deal was found by Cheapflights users on 8/10. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:15 pm -
1 stop14h 15m
Wed 9/167:15 pm -
1 stop27h 00m
Deal found 8/10![ITA Airways logo]()
$891
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:27 am -
2 stops22h 03m
Sat 10/176:35 am -
1 stop15h 40m
Deal found 8/14![Multiple Airlines logo]()
$969
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Fri 8/212:40 pm -
1 stop22h 15m
Wed 8/266:10 am -
2 stops20h 13m
Deal found 8/14![Lufthansa logo]()
$980
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 August 15, 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 August 15, 2026.
This ITA Airways deal was found by Cheapflights users on 8/14. 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 9/123:15 pm -
1 stop14h 15m
Sat 9/196:35 am -
1 stop15h 40m
Deal found 8/14![ITA Airways logo]()
$1,044
This FlightHub deal was found by Cheapflights users on 8/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:51 pm -
2 stops23h 24m
Sat 10/176:15 am -
2 stops21h 35m
Deal found 8/14![Multiple Airlines logo]()
$1,053
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Thu 10/82:40 pm -
1 stop22h 35m
Sat 10/176:15 am -
1 stop15h 25m
Deal found 8/14![Lufthansa logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Sun 12/66:35 am -
2 stops18h 50m
Wed 12/96:35 am -
2 stops23h 58m
Deal found 8/13![United Airlines logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 8/14. 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 11/148:20 am -
2 stops17h 05m
Sat 11/216:35 am -
2 stops23h 55m
Deal found 8/14![United Airlines logo]()
$1,164
This ITA Airways deal was found by Cheapflights users on 8/13. 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 9/33:15 pm -
1 stop22h 40m
Mon 9/76:35 am -
1 stop15h 40m
Deal found 8/13![ITA Airways logo]()
$1,285
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Fri 12/410:45 pm -
2 stops26h 40m
Tue 12/86:35 am -
2 stops23h 55m
Deal found 8/12![United Airlines logo]()
$1,170
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:00 am -
2 stops20h 25m
Thu 9/106:35 am -
1 stop21h 50m
Deal found 8/10![United Airlines logo]()
$1,261
Last-minute flights from San Francisco to TriesteDiscover last-minute flight deals from San Francisco to Trieste. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Trieste. Data last updated August 15, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:15 pm -
1 stop18h 15m
Mon 8/247:25 pm -
1 stop26h 50m
Deal found 8/14![ITA Airways logo]()
$761
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:15 am -
2 stops20h 40m
Mon 8/242:50 pm -
1 stop30h 50m
Deal found 8/14![Lufthansa logo]()
$855
This oojo deal was found by Cheapflights users on 8/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/213:15 pm -
1 stop22h 40m
Wed 8/266:35 am -
1 stop15h 40m
Deal found 8/14![ITA Airways logo]()
$851
This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Fri 8/212:40 pm -
1 stop22h 15m
Wed 8/266:10 am -
2 stops20h 13m
Deal found 8/14![Lufthansa logo]()
$980
This ITA Airways deal was found by Cheapflights users on 8/10. 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 ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:15 pm -
1 stop14h 15m
Wed 9/167:15 pm -
1 stop27h 00m
Deal found 8/10![ITA Airways logo]()
$891
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 August 15, 2026.
Search for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:20 pm -
2 stops34h 50m
Deal found 8/10![Multiple Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/249:40 pm -
2 stops33h 05m
Deal found 8/10![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/225:20 pm -
3 stops39h 30m
Deal found 8/10![Multiple Airlines logo]()
$424
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:10 am -
2 stops19h 00m
Deal found 8/10![Multiple Airlines logo]()
$425
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:00 pm -
3 stops24h 55m
Deal found 8/10![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:20 pm -
1 stop31h 55m
Deal found 8/10![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/209:40 pm -
2 stops26h 50m
Deal found 8/10![Multiple Airlines logo]()
$471
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 August 15, 2026.
Round-trip from | $891 (ITA Airways) |
|---|---|
One-way from | $374 (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 August 15, 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 San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Sat 9/12
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
$1,044
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 10/8
1:51 pm-10:15 pm
2 stops23h 24m
Trieste Ronchi dei Legionari
Sat 10/17
6:15 am-6:50 pm
2 stops21h 35m
$1,053
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 10/8
2:40 pm-10:15 pm
1 stop22h 35m
Trieste Ronchi dei Legionari
Sat 10/17
6:15 am-12:40 pm
1 stop15h 25m
$1,092
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Sun 12/6
6:35 am-10:25 am
2 stops18h 50m
Trieste Ronchi dei Legionari
Wed 12/9
6:35 am-9:33 pm
2 stops23h 58m
$1,115
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Sat 11/14
8:20 am-10:25 am
2 stops17h 05m
Trieste Ronchi dei Legionari
Sat 11/21
6:35 am-9:30 pm
2 stops23h 55m
$1,164
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Fri 12/4
10:45 pm-10:25 am
2 stops26h 40m
Trieste Ronchi dei Legionari
Tue 12/8
6:35 am-9:30 pm
2 stops23h 55m
$1,170
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Mon 8/31
5:00 am-10:25 am
2 stops20h 25m
Trieste Ronchi dei Legionari
Thu 9/10
6:35 am-7:25 pm
1 stop21h 50m
$1,261
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 9/3
3:15 pm-10:55 pm
1 stop22h 40m
Trieste Ronchi dei Legionari
Mon 9/7
6:35 am-1:15 pm
1 stop15h 40m
$1,285
Cheapest one-way
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Sun 11/22
5:20 pm-5:50 pm
3 stops39h 30m
$424
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 11/26
9:40 pm-12:10 pm
3 stops29h 30m
$478
Showing 1-10 of 13 resultsSorted by cheapest first
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 August 15, 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.
Entertainment
6.5
Food
6.3
Comfort
6.8
Crew
7.6
Overall
6.8
Boarding
7.0
Reviews
1 / 20
6.0
GoodKunal,Jul 2026
LAX - MUC
Entertainment
6.5
Food
6.3
Comfort
6.8
Crew
7.6
Overall
6.8
Boarding
7.0
Reviews
1 / 20
6.0
GoodKunal,Jul 2026
LAX - MUC
Entertainment
6.5
Food
6.3
Comfort
6.8
Crew
7.6
Overall
6.8
Boarding
7.0
Reviews
1 / 20
6.0
GoodKunal,Jul 2026
LAX - MUC
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Trieste. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to Trieste
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Complete your trip
Complete your trip to Trieste by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Trieste by cabin class
Find flights from San Francisco to Trieste, based on your preferred cabin class, be it economy, premium economy, business, or first class.
San Francisco and Trieste flights
Browse other San Francisco and Trieste flight options. Last updated on August 15, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Trieste
Explore flights to Trieste departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$499 | Average$1,150 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$928 | Average$1,297 | FlexibilityNo cancel fee | On-time81% |