$597 Find Cheap Flights from San Francisco to Trieste - Compare and Save

Four cabin classes are available on flights from San Francisco to Trieste:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from San Francisco to Trieste takes 00m, covering 6,049 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to Trieste range from $859 to $1,345, with an average of $1,143 over the past 12 months. Anything below $859 counts as a good deal.

One-way fares from San Francisco to Trieste are currently lower than usual. Average one-way flight prices are about $597, which is 15% below the typical average for this route.

Trieste Ronchi dei Legionari Airport (TRS) hosts 5 major car rental companies, with daily rates averaging $43 for economy cars. Top options include:

• DRIVALIA
• NOLEGGIARE
• SICILY BY CAR
• Europcar
• Budget

Flights from San Francisco to Trieste usually depart from San Francisco (SFO) and arrive at Trieste Ronchi dei Legionari (TRS).

Connecting flights from San Francisco to Trieste most commonly pass through:

• Rome Fiumicino (FCO) - 70% of one-stop connections
• Frankfurt am Main (FRA) - 30% of one-stop connections

Yes. Flexible dates can save you up to 44% on flights from San Francisco to Trieste. Wednesday is the cheapest departure day at $913 round-trip on average, while Monday is the most expensive at $1,622, a difference of $709.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 15h 05m, compared with 16h 49m via Rome Fiumicino (FCO).

Trieste is 9 hours ahead of San Francisco (Central European Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

When traveling to TRS with Lufthansa, you can check one 50 lb bag when flying Economy, two 50 lb bags in Premium Economy, two 70 lb bags in Business, and three 70 lb bags in First, at no additional charge. The maximum size per piece of baggage is 62 linear inches.

Upon landing at TRS, you can hire a vehicle from Avis, Auto Europa, Sicily by Car, Enterprise, Locauto, Hertz, Europcar, or Win Rent. The counters for these agencies are available in the Arrivals Hall, while their pickup slots are a stone’s throw away. Therefore, you won’t need ground transportation to reach either.

Other than Ronchi dei Legionari, you can easily get to towns like Grado, Gorizia, Trieste, Udine, and Monfalcone from TRS. If you’re on a budget, the best means to travel to these towns from the airport is via APT Gorizia public buses. However, if you want to travel to them quickly, take a taxi outside the terminal.

It’s in your best interest to fly with Lufthansa or ITA Airways if you want to fly to TRS with an eco-friendly partner. This is because these airlines have modern aircraft with low fuel consumption, efficient waste management initiatives, partnerships with respected environmental groups, and investments in sustainable aviation fuels.