Cheap flights from Trieste to San Francisco from $722
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to San Francisco departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Trieste to San Francisco
Cheap round-trip flights
Cheap one-way flights
ITA Airways flights from Trieste to San Francisco
Our best ITA Airways deals on Trieste to San Francisco flight tickets
Lufthansa flights from Trieste to San Francisco
Our best Lufthansa deals on Trieste to San Francisco flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Trieste to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Trieste to San Francisco is on a Wednesday when prices can be found for as low as $596. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around $818.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Trieste to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $658. Flights in the evening are often more expensive with an average ticket price of $817.
What is the cheapest airline that flies from Trieste Ronchi dei Legionari to San Francisco?
ITA Airways, Lufthansa, and TAP AIR PORTUGAL are the most popular carriers operating from Trieste Ronchi dei Legionari to San Francisco
What airlines fly to San Francisco?
British Airways, Lufthansa and American Airlines are the top three most popular airlines that fly to San Francisco from Trieste according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
When to book flights from Trieste to San Francisco
Cheap Trieste to San Francisco (TRS to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Trieste to San Francisco
How far is Trieste Ronchi dei Legionari to San Francisco by plane?
A flight from Trieste Ronchi dei Legionari to San Francisco will travel around 6057.3 mi. A reasonable flight in good conditions will take 15h 10m.
When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport?
Prices for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport?
As of April 2025, there is 1 operator available to choose from for flights from Trieste Ronchi dei Legionari Airport to San Francisco Airport.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Trieste Ronchi dei Legionari Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Trieste to San Francisco?
Based on momondo bookings for flights between Trieste and San Francisco, the leading airline is Lufthansa, making up 100% of the total bookings.
Best airlines flying from Trieste to San Francisco
Compare and see reviews for airlines that fly from Trieste to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $508 | Free Cancellation | Rating 6.7 7,027 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Trieste to San Francisco?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trieste to San Francisco. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Trieste to San Francisco with flexible booking policies on momondo?
All flight searches from Trieste to San Francisco on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Trieste to San Francisco?
momondo helps you find the best flight between Trieste and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Trieste to San Francisco right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Trieste to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.