$405+ Cheap flights from Trieste (TRS) to San Francisco (SFO)
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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Trieste to San Francisco 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 Trieste to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to San Francisco (SFO). 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, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $625 (ITA Airways) |
One-way from | $405 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $790 |
Find flight deals from Trieste to San Francisco
Cheapest flights from Trieste to San FranciscoExplore the most affordable flight options available from Trieste to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from Trieste to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
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.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Trieste to San Francisco 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, 2025.
Use the filters below to find and compare flights from Trieste to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Mon 9/1
7:25 pm-1:15 pm
1 stop26h 50m
San Francisco
Wed 10/1
3:15 pm-2:30 pm
1 stop14h 15m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Thu 9/4
6:30 am-4:00 pm
1 stop18h 30m
San Francisco
Mon 9/29
8:25 am-2:05 pm
2 stops20h 40m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Tue 9/2
6:35 am-2:35 pm
2 stops41h 00m
San Francisco
Wed 10/1
4:20 pm-6:35 pm
2 stops41h 15m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Sat 5/31
3:15 pm-12:50 pm
2 stops30h 35m
San Francisco
Thu 6/5
3:05 pm-6:30 pm
2 stops18h 25m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Mon 5/12
12:50 pm-10:45 pm
3 stops42h 55m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Sat 8/23
7:15 pm-1:15 pm
1 stop27h 00m
TriesteSan Francisco
TRS - SFO
TRSSFO
Trieste Ronchi dei Legionari
Mon 7/14
6:30 am-3:55 pm
1 stop18h 25m
Compare providers for flights from Trieste to San Francisco
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 Trieste to San Francisco in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on Trieste-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trieste-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trieste-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Trieste-San Francisco flights, Cheapflights users trust eDreams the most. eDreams 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 Trieste-San Francisco 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 Trieste to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Trieste with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Trieste to San Francisco
What is the cheapest month to book a flight from Trieste to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Trieste to San Francisco (average of $276). Flying from Trieste to San Francisco in June is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from TRS to SFO?
Find hourly flight availability from Trieste to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Trieste to San Francisco by exploring options for tickets in the morning.
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 30, 2025.
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Anonymous,Jan 2025
PNR - LAD
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Anonymous,Jan 2025
PNR - LAD
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Anonymous,Jan 2025
PNR - LAD
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Anonymous,Jan 2025
PNR - LAD
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Anonymous,Jan 2025
PNR - LAD
Related info for your journey
Find useful and relevant information for your journey from Trieste to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Trieste?
Book flights to Trieste if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Trieste to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Trieste to San Francisco
Discover the top airline that operate flights from Trieste to San Francisco. 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, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$508 | Average$781 | FlexibilityNo cancel fee | On-time76% |