$318+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRS
Apr 15 — Apr 221
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
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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 March 16, 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 March 16, 2026.
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/234:05 pm
SFO
- TRS
2 stops36h 15m
ITA Airways
Mon 3/3011:15 am
TRS
- SFO
1 stop35h 00m
ITA Airways
Deal found 3/13![ITA Airways logo]()
$787
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Wed 4/222:40 pm
SFO
- TRS
1 stop14h 20m
Lufthansa
Wed 5/66:10 am
TRS
- SFO
1 stop15h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$818
This oojo deal was found by Cheapflights users on 3/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 5/47:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/12![ITA Airways logo]()
$821
This Expedia deal was found by Cheapflights users on 3/15. 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.
Wed 4/228:10 am
SFO
- TRS
2 stops20h 50m
Multiple Airlines
Wed 5/66:10 am
TRS
- SFO
2 stops21h 22m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$822
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- TRS
2 stops22h 00m
Lufthansa
Tue 5/126:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 3/12![Lufthansa logo]()
$823
This Travelocity deal was found by Cheapflights users on 3/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:10 am
SFO
- TRS
2 stops20h 35m
Multiple Airlines
Mon 5/42:50 pm
TRS
- SFO
1 stop30h 50m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$868
This ITA Airways deal was found by Cheapflights users on 3/11. 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 4/53:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Tue 4/147:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/11![ITA Airways logo]()
$875
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:10 am
SFO
- TRS
2 stops20h 50m
Multiple Airlines
Mon 5/46:10 am
TRS
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$891
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 March 16, 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 March 16, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Wed 4/222:40 pm
SFO
- TRS
1 stop14h 20m
Lufthansa
Wed 5/66:10 am
TRS
- SFO
1 stop15h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$818
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:10 am
SFO
- TRS
2 stops20h 50m
Multiple Airlines
Mon 5/42:50 pm
TRS
- SFO
1 stop30h 50m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$868
This ITA Airways deal was found by Cheapflights users on 3/11. 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 4/53:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Tue 4/147:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/11![ITA Airways logo]()
$875
This KLM deal was found by Cheapflights users on 3/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:20 am
SFO
- TRS
2 stops24h 10m
KLM
Mon 5/46:35 am
TRS
- SFO
2 stops25h 43m
KLM
Deal found 3/13![KLM logo]()
$978
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- TRS
2 stops22h 00m
Lufthansa
Tue 5/126:20 am
TRS
- SFO
1 stop15h 20m
Lufthansa
Deal found 3/12![Lufthansa logo]()
$823
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2110:42 pm
SFO
- TRS
2 stops30h 18m
Multiple Airlines
Mon 5/46:10 am
TRS
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$896
This ITA Airways deal was found by Cheapflights users on 3/11. 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 4/53:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 4/137:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/11![ITA Airways logo]()
$903
This Cheapflightsfares deal was found by Cheapflights users on 3/14. 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.
Tue 3/243:40 pm
SFO
- TRS
1 stop14h 20m
Lufthansa
Wed 4/226:10 am
TRS
- SFO
1 stop15h 30m
Lufthansa
Deal found 3/14![Lufthansa logo]()
$900
Last-minute flights from San Francisco to TriesteDiscover last-minute flight deals from San Francisco to Trieste. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Trieste. Data last updated March 16, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/234:05 pm
SFO
- TRS
2 stops36h 15m
ITA Airways
Mon 3/3011:15 am
TRS
- SFO
1 stop35h 00m
ITA Airways
Deal found 3/13![ITA Airways logo]()
$787
This ITA Airways deal was found by Cheapflights users on 3/11. 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 4/53:15 pm
SFO
- TRS
1 stop22h 40m
ITA Airways
Tue 4/147:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/11![ITA Airways logo]()
$875
This oojo deal was found by Cheapflights users on 3/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:15 pm
SFO
- TRS
1 stop18h 15m
ITA Airways
Mon 5/47:15 pm
TRS
- SFO
1 stop27h 00m
ITA Airways
Deal found 3/12![ITA Airways logo]()
$821
This Travelocity deal was found by Cheapflights users on 3/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:10 am
SFO
- TRS
2 stops20h 35m
Multiple Airlines
Mon 5/42:50 pm
TRS
- SFO
1 stop30h 50m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$868
This Cheapflightsfares deal was found by Cheapflights users on 3/15. 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.
Wed 4/222:40 pm
SFO
- TRS
1 stop14h 20m
Lufthansa
Wed 5/66:10 am
TRS
- SFO
1 stop15h 30m
Lufthansa
Deal found 3/15![Lufthansa logo]()
$818
This Expedia deal was found by Cheapflights users on 3/15. 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.
Wed 4/228:10 am
SFO
- TRS
2 stops20h 50m
Multiple Airlines
Wed 5/66:10 am
TRS
- SFO
2 stops21h 22m
Multiple Airlines
Deal found 3/15![Multiple Airlines logo]()
$822
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:00 am
SFO
- TRS
2 stops22h 00m
Lufthansa
Tue 5/122:45 pm
TRS
- SFO
2 stops19h 05m
Lufthansa
Deal found 3/12![Lufthansa logo]()
$833
This Expedia deal was found by Cheapflights users on 3/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:10 am
SFO
- TRS
2 stops20h 50m
Multiple Airlines
Mon 5/46:10 am
TRS
- SFO
2 stops24h 00m
Multiple Airlines
Deal found 3/12![Multiple Airlines 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 March 16, 2026.
Search for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 4/267:40 pm
SFO
- TRS
2 stops31h 15m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 3/11. 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 6/125:35 pm
SFO
- TRS
2 stops21h 10m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:45 pm
SFO
- TRS
3 stops52h 40m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$1,077
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $787 (Mytrip) |
One-way from | $318 (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 March 16, 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 4/22
2:40 pm-2:00 pm
1 stop14h 20m
Trieste Ronchi dei Legionari
Wed 5/6
6:10 am-12:40 pm
1 stop15h 30m
$818
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 4/22
7:00 am-2:00 pm
2 stops22h 00m
Trieste Ronchi dei Legionari
Tue 5/12
6:20 am-12:40 pm
1 stop15h 20m
$823
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Wed 4/22
8:10 am-2:00 pm
2 stops20h 50m
Trieste Ronchi dei Legionari
Mon 5/4
2:50 pm-12:40 pm
1 stop30h 50m
$868
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sun 4/5
3:15 pm-10:55 pm
1 stop22h 40m
Trieste Ronchi dei Legionari
Tue 4/14
7:15 pm-1:15 pm
1 stop27h 00m
$875
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Tue 4/21
10:42 pm-2:00 pm
2 stops30h 18m
Trieste Ronchi dei Legionari
Mon 5/4
6:10 am-9:10 pm
2 stops24h 00m
$896
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Tue 3/24
3:40 pm-2:00 pm
1 stop14h 20m
Trieste Ronchi dei Legionari
Wed 4/22
6:10 am-12:40 pm
1 stop15h 30m
$900
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sun 4/5
3:15 pm-6:30 pm
1 stop18h 15m
Trieste Ronchi dei Legionari
Mon 4/13
7:15 pm-1:15 pm
1 stop27h 00m
$903
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Mon 4/27
9:20 am-6:30 pm
2 stops24h 10m
Trieste Ronchi dei Legionari
Mon 5/4
6:35 am-11:18 pm
2 stops25h 43m
$978
Cheapest one-way
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Sun 4/26
7:40 pm-11:55 am
2 stops31h 15m
$318
Quickest one-way
San FranciscoTrieste
SFO - TRS
SFOTRS
San Francisco
Fri 6/12
5:35 pm-11:45 pm
2 stops21h 10m
$588
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Trieste
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Trieste in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- 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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Trieste
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 March 16, 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.
Food
6.3
Entertainment
6.5
Crew
7.6
Overall
6.8
Boarding
7.0
Comfort
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Food
6.3
Entertainment
6.5
Crew
7.6
Overall
6.8
Boarding
7.0
Comfort
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - MUC
Food
6.3
Entertainment
6.5
Crew
7.6
Overall
6.8
Boarding
7.0
Comfort
6.8
Reviews
1 / 20
6.0
GoodAnonymous,Dec 2025
SFO - 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Trieste flight routes
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 March 16, 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 March 16, 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 March 16, 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$693 | Average$1,446 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$762 | Average$1,143 | FlexibilityNo cancel fee | On-time81% |