$817+ Cheap flights from San Francisco (SFO) to Trieste (TRS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — TRS
Nov 6 — Nov 131
Round-trip
1 adult, Economy
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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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Best
Last-minute
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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 October 7, 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 October 7, 2026.
This Flysmarter deal was found by Cheapflights users on 10/2. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:56 pm -
2 stops26h 29m
Mon 11/237:15 pm -
1 stop26h 55m
Deal found 10/2![Multiple Airlines logo]()
$817
This KLM deal was found by Cheapflights users on 10/2. 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 11/167:00 am -
2 stops22h 30m
Mon 11/236:35 am -
2 stops25h 08m
Deal found 10/2![KLM logo]()
$916
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:00 pm -
2 stops22h 15m
Wed 10/142:40 pm -
2 stops18h 50m
Deal found 10/4![Lufthansa logo]()
$931
This FlightHub deal was found by Cheapflights users on 10/4. 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.
Mon 10/52:40 pm -
1 stop14h 15m
Wed 10/146:10 am -
2 stops25h 49m
Deal found 10/4![Lufthansa logo]()
$932
This Booking.com deal was found by Cheapflights users on 10/4. 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.
Mon 10/511:39 pm -
2 stops29h 06m
Wed 10/142:40 pm -
2 stops18h 50m
Deal found 10/4![Multiple Airlines logo]()
$944
This oojo deal was found by Cheapflights users on 10/4. 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 10/53:15 pm -
1 stop22h 40m
Wed 10/146:35 am -
1 stop15h 40m
Deal found 10/4![ITA Airways logo]()
$959
This United deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:40 pm -
1 stop22h 35m
Wed 10/146:10 am -
1 stop22h 40m
Deal found 10/4![Multiple Airlines logo]()
$1,001
This ITA Airways deal was found by Cheapflights users on 10/6. 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 12/153:05 pm -
1 stop14h 25m
Thu 12/246:35 am -
1 stop15h 35m
Deal found 10/6![ITA Airways logo]()
$1,009
This ITA Airways deal was found by Cheapflights users on 10/6. 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 12/153:05 pm -
1 stop14h 25m
Sun 12/276:35 am -
1 stop15h 35m
Deal found 10/6![ITA Airways logo]()
$1,096
This ITA Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/153:05 pm -
1 stop14h 25m
Sun 1/106:35 am -
1 stop15h 35m
Deal found 10/7![ITA Airways logo]()
$1,105
This KAYAK deal was found by Cheapflights users on 10/6. 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 12/1511:35 pm -
2 stops33h 55m
Thu 12/246:35 am -
1 stop15h 35m
Deal found 10/6![Multiple Airlines logo]()
$1,129
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 October 7, 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 October 7, 2026.
This KLM deal was found by Cheapflights users on 10/2. 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 11/167:00 am -
2 stops22h 30m
Mon 11/236:35 am -
2 stops25h 08m
Deal found 10/2![KLM logo]()
$916
This Mytrip deal was found by Cheapflights users on 10/2. 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 11/168:25 am -
3 stops26h 40m
Mon 11/238:55 am -
3 stops39h 53m
Deal found 10/2![Multiple Airlines logo]()
$1,142
This TAP AIR PORTUGAL deal was found by Cheapflights users on 10/5. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:35 pm -
2 stops40h 55m
Fri 12/1111:15 am -
2 stops36h 30m
Deal found 10/5![TAP AIR PORTUGAL logo]()
$1,183
This ITA Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/153:05 pm -
1 stop22h 50m
Wed 1/67:15 pm -
1 stop26h 55m
Deal found 10/7![ITA Airways logo]()
$1,216
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/98:15 am -
2 stops17h 10m
Mon 11/166:35 am -
2 stops21h 21m
Deal found 10/2![United Airlines logo]()
$1,248
This ITA Airways deal was found by Cheapflights users on 10/6. 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 12/223:05 pm -
1 stop14h 25m
Sun 1/106:35 am -
1 stop15h 35m
Deal found 10/6![ITA Airways logo]()
$1,305
This ITA Airways deal was found by Cheapflights users on 10/6. 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 12/223:05 pm -
1 stop14h 25m
Sun 1/106:35 am -
2 stops22h 00m
Deal found 10/6![Multiple Airlines logo]()
$1,571
This ITA Airways deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/173:05 pm -
1 stop18h 25m
Sun 1/106:35 am -
1 stop15h 35m
Deal found 10/7![ITA Airways logo]()
$1,475
This ITA Airways deal was found by Cheapflights users on 10/6. 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 12/1710:10 am -
2 stops27h 45m
Thu 12/246:35 am -
1 stop15h 35m
Deal found 10/6![ITA Airways logo]()
$1,614
Last-minute flights from San Francisco to TriesteDiscover last-minute flight deals from San Francisco to Trieste. Data last updated October 7, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Trieste. Data last updated October 7, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 10/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:00 pm -
2 stops22h 15m
Wed 10/142:40 pm -
2 stops18h 50m
Deal found 10/4![Lufthansa logo]()
$931
This United deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:40 pm -
1 stop22h 35m
Wed 10/146:10 am -
1 stop22h 40m
Deal found 10/4![Multiple Airlines logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/98:15 am -
2 stops17h 10m
Mon 11/166:35 am -
2 stops21h 21m
Deal found 10/2![United Airlines logo]()
$1,248
This Flysmarter deal was found by Cheapflights users on 10/2. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:56 pm -
2 stops26h 29m
Mon 11/237:15 pm -
1 stop26h 55m
Deal found 10/2![Multiple Airlines logo]()
$817
This KLM deal was found by Cheapflights users on 10/2. 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 11/167:00 am -
2 stops22h 30m
Mon 11/236:35 am -
2 stops25h 08m
Deal found 10/2![KLM logo]()
$916
This oojo deal was found by Cheapflights users on 10/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:31 pm -
2 stops30h 59m
Sat 11/286:35 am -
1 stop15h 35m
Deal found 10/7![Multiple Airlines logo]()
$1,355
This Mytrip deal was found by Cheapflights users on 10/6. 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.
Tue 11/246:30 am -
3 stops28h 35m
Sat 11/286:05 am -
3 stops26h 54m
Deal found 10/6![Multiple Airlines logo]()
$1,361
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 October 7, 2026.
Search for one-way flight options from San Francisco to Trieste. Find affordable one-way fares based on user searches. Data last updated October 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/5. 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 11/89:05 pm -
3 stops36h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Multiple Airlines logo]()
$1,591
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 October 7, 2026.
Round-trip from | $817 (Flysmarter) |
|---|
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 7,457,451 searches. Data last updated October 7, 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
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Mon 11/16
7:00 am-2:30 pm
2 stops22h 30m
Trieste Ronchi dei Legionari
Mon 11/23
6:35 am-10:43 pm
2 stops25h 08m
$916
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Mon 11/16
8:25 am-8:05 pm
3 stops26h 40m
Trieste Ronchi dei Legionari
Mon 11/23
8:55 am-3:48 pm
3 stops39h 53m
$1,142
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Mon 12/7
4:35 pm-6:30 pm
2 stops40h 55m
Trieste Ronchi dei Legionari
Fri 12/11
11:15 am-2:45 pm
2 stops36h 30m
$1,183
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Tue 12/15
3:05 pm-10:55 pm
1 stop22h 50m
Trieste Ronchi dei Legionari
Wed 1/6
7:15 pm-1:10 pm
1 stop26h 55m
$1,216
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Mon 11/9
8:15 am-10:25 am
2 stops17h 10m
Trieste Ronchi dei Legionari
Mon 11/16
6:35 am-6:56 pm
2 stops21h 21m
$1,248
Quickest round-trip
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Tue 12/22
3:05 pm-2:30 pm
1 stop14h 25m
Trieste Ronchi dei Legionari
Sun 1/10
6:35 am-1:10 pm
1 stop15h 35m
$1,305
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 12/17
3:05 pm-6:30 pm
1 stop18h 25m
Trieste Ronchi dei Legionari
Sun 1/10
6:35 am-1:10 pm
1 stop15h 35m
$1,475
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Tue 12/22
3:05 pm-2:30 pm
1 stop14h 25m
Trieste Ronchi dei Legionari
Sun 1/10
6:35 am-7:35 pm
2 stops22h 00m
$1,571
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Sun 11/8
9:05 pm-6:30 pm
3 stops36h 25m
Trieste Ronchi dei Legionari
Wed 12/31
12:00 am-3:00 pm
Nonstop0h 00m
$1,591
San FranciscoTrieste
SFO San Francisco - TRS Trieste Ronchi dei Legionari
SFOTRS
San Francisco
Thu 12/17
10:10 am-10:55 pm
2 stops27h 45m
Trieste Ronchi dei Legionari
Thu 12/24
6:35 am-1:10 pm
1 stop15h 35m
$1,614
Sorted 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 October 7, 2026.
See what other customers who have flown with ITA Airways and Lufthansa 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
6.1
Entertainment
6.3
Boarding
7.0
Crew
7.4
Overall
6.8
Comfort
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2026
JFK - FCO
Food
6.1
Entertainment
6.3
Boarding
7.0
Crew
7.4
Overall
6.8
Comfort
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2026
JFK - FCO
Food
6.1
Entertainment
6.3
Boarding
7.0
Crew
7.4
Overall
6.8
Comfort
6.7
Reviews
1 / 20
8.0
ExcellentAnonymous,Sep 2026
JFK - FCO
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.
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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 October 7, 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 October 7, 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 October 7, 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 7,457,451 searches. Data last updated October 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$499 | Average$1,179 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$761 | Average$1,173 | FlexibilityNo cancel fee | On-time81% |