$470+ 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRS
Jul 20 — Jul 271
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Trieste with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Trieste
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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 June 20, 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 June 20, 2026.
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/263:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 9/96:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$807
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/273:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 9/96:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$857
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/273:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Sun 9/66:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$907
This oojo deal was found by Cheapflights users on 6/20. 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.
Sun 9/203:15 pm
SFO
- TRS
1 stop34h 10m
ITA Airways
Sat 9/263:15 pm
TRS
- SFO
1 stop31h 00m
ITA Airways
Deal found 6/20![ITA Airways logo]()
$921
This oojo deal was found by Cheapflights users on 6/20. 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.
Sun 9/208:23 am
SFO
- TRS
2 stops21h 07m
Multiple Airlines
Sat 9/263:15 pm
TRS
- SFO
1 stop31h 00m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$929
This ITA Airways deal was found by Cheapflights users on 6/16. 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 8/263:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Fri 9/116:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/16![ITA Airways logo]()
$953
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:00 am
SFO
- TRS
2 stops26h 15m
Multiple Airlines
Sun 10/186:10 am
TRS
- SFO
2 stops24h 19m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$978
This Gotogate deal was found by Cheapflights users on 6/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/43:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Sun 10/187:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 6/16![ITA Airways logo]()
$981
This KAYAK deal was found by Cheapflights users on 6/18. 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.
Wed 8/269:05 pm
SFO
- TRS
2 stops16h 20m
Lufthansa
Tue 9/86:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$995
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/303:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Wed 9/97:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$997
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 June 20, 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 June 20, 2026.
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/263:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 9/96:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$807
This oojo deal was found by Cheapflights users on 6/20. 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.
Sun 9/208:23 am
SFO
- TRS
2 stops21h 07m
Multiple Airlines
Sat 9/263:15 pm
TRS
- SFO
1 stop31h 00m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$929
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/283:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 9/77:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$857
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/283:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Tue 9/86:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$857
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/263:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Sat 9/56:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$857
This ITA Airways deal was found by Cheapflights users on 6/18. 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 8/283:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 9/96:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$857
This ITA Airways deal was found by Cheapflights users on 6/16. 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 8/273:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Thu 9/106:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/16![ITA Airways logo]()
$1,003
This ITA Airways deal was found by Cheapflights users on 6/17. 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 8/273:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 9/76:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/17![ITA Airways logo]()
$1,005
This oojo deal was found by Cheapflights users on 6/17. 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.
Sun 9/203:15 pm
SFO
- TRS
1 stop34h 10m
ITA Airways
Sat 9/263:15 pm
TRS
- SFO
1 stop31h 00m
ITA Airways
Deal found 6/17![ITA Airways logo]()
$1,025
This oojo deal was found by Cheapflights users on 6/20. 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 7/243:15 pm
SFO
- TRS
1 stop34h 10m
ITA Airways
Tue 7/286:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/20![ITA Airways logo]()
$1,052
This oojo deal was found by Cheapflights users on 6/20. 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 7/103:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 7/1511:15 am
TRS
- SFO
1 stop35h 00m
ITA Airways
Deal found 6/20![ITA Airways logo]()
$1,052
This ITA Airways deal was found by Cheapflights users on 6/16. 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 8/293:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Sun 9/66:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/16![ITA Airways logo]()
$1,053
Last-minute flights from San Francisco to TriesteDiscover last-minute flight deals from San Francisco to Trieste. Data last updated June 20, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Trieste. Data last updated June 20, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 6/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:18 am
SFO
- TRS
2 stops26h 57m
Multiple Airlines
Wed 8/56:10 am
TRS
- SFO
2 stops23h 38m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,120
This oojo deal was found by Cheapflights users on 6/20. 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 7/103:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Wed 7/1511:15 am
TRS
- SFO
1 stop35h 00m
ITA Airways
Deal found 6/20![ITA Airways logo]()
$1,052
This oojo deal was found by Cheapflights users on 6/20. 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 7/108:43 pm
SFO
- TRS
2 stops32h 47m
Multiple Airlines
Wed 7/1511:15 am
TRS
- SFO
1 stop35h 00m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,072
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/123:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Sun 7/267:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$1,039
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Sun 7/266:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/18![ITA Airways logo]()
$1,047
This KAYAK deal was found by Cheapflights users on 6/18. 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 7/242:40 pm
SFO
- TRS
1 stop22h 15m
Lufthansa
Wed 7/296:10 am
TRS
- SFO
2 stops28h 05m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$1,098
This ITA Airways deal was found by Cheapflights users on 6/17. 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 7/243:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Tue 7/286:35 am
TRS
- SFO
1 stop15h 40m
ITA Airways
Deal found 6/17![ITA Airways logo]()
$1,123
This oojo deal was found by Cheapflights users on 6/20. 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 7/243:15 pm
SFO
- TRS
1 stop34h 10m
ITA Airways
Wed 7/297:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 6/20![ITA Airways logo]()
$1,127
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 June 20, 2026.
Search for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated June 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/53:43 pm
SFO
- TRS
3 stops45h 07m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$470
This oojo deal was found by Cheapflights users on 6/17. 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.
Sun 7/53:15 pm
SFO
- TRS
1 stop34h 10m
ITA Airways
Deal found 6/17![ITA Airways logo]()
$628
This KAYAK deal was found by Cheapflights users on 6/17. 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 9/117:35 pm
SFO
- TRS
2 stops42h 20m
SWISS
Deal found 6/17![SWISS logo]()
$686
This ITA Airways deal was found by Cheapflights users on 6/17. 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 9/113:15 pm
SFO
- TRS
1 stop14h 15m
ITA Airways
Deal found 6/17![ITA Airways logo]()
$975
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/158:23 am
SFO
- TRS
3 stops53h 02m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$2,292
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 June 20, 2026.
Round-trip from | $807 (ITA Airways) |
|---|---|
One-way from | $470 (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 June 20, 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
Wed 8/26
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Wed 9/9
6:35 am-1:15 pm
1 stop15h 40m
$807
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 8/28
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Mon 9/7
7:15 pm-1:15 pm
1 stop27h 00m
$857
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 8/28
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Tue 9/8
6:35 am-1:15 pm
1 stop15h 40m
$857
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 8/26
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Sat 9/5
6:35 am-1:15 pm
1 stop15h 40m
$857
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 8/28
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Wed 9/9
6:35 am-1:15 pm
1 stop15h 40m
$857
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sun 9/20
8:23 am-2:30 pm
2 stops21h 07m
Trieste Ronchi dei Legionari
Sat 9/26
3:15 pm-1:15 pm
1 stop31h 00m
$929
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Thu 8/27
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Thu 9/10
6:35 am-1:15 pm
1 stop15h 40m
$1,003
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Thu 8/27
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Mon 9/7
6:35 am-1:15 pm
1 stop15h 40m
$1,005
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sun 9/20
3:15 pm-10:25 am
1 stop34h 10m
Trieste Ronchi dei Legionari
Sat 9/26
3:15 pm-1:15 pm
1 stop31h 00m
$1,025
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 7/24
3:15 pm-10:25 am
1 stop34h 10m
Trieste Ronchi dei Legionari
Tue 7/28
6:35 am-1:15 pm
1 stop15h 40m
$1,052
Showing 1-10 of 16 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 June 20, 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.
Crew
7.6
Boarding
7.0
Comfort
6.8
Overall
6.8
Entertainment
6.4
Food
6.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
SFO - FRA
Crew
7.6
Boarding
7.0
Comfort
6.8
Overall
6.8
Entertainment
6.4
Food
6.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
SFO - FRA
Crew
7.6
Boarding
7.0
Comfort
6.8
Overall
6.8
Entertainment
6.4
Food
6.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
SFO - FRA
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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San Francisco and Trieste flights
Browse other San Francisco and Trieste flight options. Last updated on June 20, 2026.
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Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on June 20, 2026.
Popular flight searches
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Explore flights to Trieste departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 20, 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 June 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$680 | Average$1,028 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$729 | Average$1,247 | FlexibilityNo cancel fee | On-time81% |