Cheap flights from San Diego, CA to Trieste, Italy
Flights starting at £225. Choose between ITA Airways, Alaska Airlines, or Lufthansa to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Trieste
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Trieste. The most popular airlines for this route are ITA Airways, Alaska Airlines, Lufthansa, Norse Atlantic Airways, and British Airways. San Diego and Trieste have 288 direct flights per week. When you arrive at Trieste, consider visiting Postojna Cave, Lake Bled, Slovenia, and Piazza San Marco.
Check-in for a flight from San Diego to Trieste
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
ITA Airways | ITY | AZ | Yes | 0 0 |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Lufthansa | DLH | LH | No | 0 0 |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
British Airways | BAW | BA | No | 0 0 |
Weather in Trieste
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 7°C | 2°C |
February | 8°C | 3°C |
March | 12°C | 5°C |
April | 16°C | 8°C |
May | 20°C | 12°C |
June | 25°C | 16°C |
July | 27°C | 19°C |
August | 28°C | 19°C |
September | 23°C | 15°C |
October | 18°C | 11°C |
November | 13°C | 8°C |
December | 8°C | 4°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from San Diego
- Flights from San Diego to London
- Flights from San Diego to Edmonton
- Flights from San Diego to Las Vegas
- Flights from San Diego to Cincinnati
- Flights from San Diego to Manchester
- Flights from San Diego to Phoenix
- Flights from San Diego to New York
- Flights from San Diego to Houston
- Flights from San Diego to Denver
- Flights from San Diego to San Francisco
- Flights from San Diego to Austin
- Flights from San Diego to Minneapolis
- Flights from San Diego to Los Angeles
- Flights from San Diego to New Orleans
- Flights from San Diego to Amsterdam
- Flights from San Diego to Madrid
- Flights from San Diego to Raleigh
- Flights from San Diego to Nashville
- Flights from San Diego to Detroit
- Flights from San Diego to Atlanta
Flights to Trieste
- Flights from London to Trieste
- Flights from Dublin to Trieste
- Flights from Manchester to Trieste
- Flights from Rome to Trieste
- Flights from Edinburgh to Trieste
- Flights from Athens to Trieste
- Flights from Riga to Trieste
- Flights from Belfast to Trieste
- Flights from Ljubljana to Trieste
- Flights from Copenhagen to Trieste
- Flights from Valencia to Trieste
- Flights from Manila to Trieste
- Flights from Stockholm to Trieste
- Flights from Reykjavik to Trieste
- Flights from Dubrovnik to Trieste
- Flights from Budapest to Trieste
- Flights from Zakynthos Island to Trieste
- Flights from Birmingham to Trieste
- Flights from George to Trieste
- Flights from Ibiza to Trieste
Popular routes
- Flights from London to Bucharest
- Flights from London to Barcelona
- Flights from Zürich to Kozhikode
- Flights from Punta Gorda to Hangzhou
- Flights from Oslo to Praya, Lombok
- Flights from Naples to Zhengzhou
- Flights from Toulouse to Harlingen
- Flights from Barranquilla to Rutland City
- Flights from Saint Croix to Al-Qassim Region
- Flights from Saint Thomas to Masbate City
- Flights from San Antonio to Donostia / San Sebastián
- Flights from San Francisco to Garoe
- Flights from Sioux Falls to Marsh Harbour