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$826+ Cheap flights from Trieste (TRS) to San Diego (SAN)

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — SAN
dic. 6 — dic. 131
sáb. 12/6
sáb. 12/13
1 adult, Economy
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Cheap flight deals from Trieste to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to San Diego (SAN). 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 noviembre 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$826
(Lufthansa)
Provider with most accurate pricing for Trieste Ronchi dei Legionari-San Diego flight deals.
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Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-San Diego flights.
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From Trieste Ronchi dei Legionari to San Diego
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Find flight deals from Trieste to San Diego

Best flights from Trieste to San Diego
Discover carefully curated flight deals from Trieste to San Diego that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated noviembre 6, 2025.

This Lufthansa deal was found by Cheapflights users on 11/5. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/206:25 amTRS - SAN
2 stops47h 24mLufthansa
mar. 2/2412:16 pmSAN - TRS
2 stops25h 24mLufthansa
Deal found 11/5$826
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/206:35 amTRS - SAN
3 stops23h 14mUnited Airlines
mar. 2/247:05 amSAN - TRS
2 stops18h 20mUnited Airlines
Deal found 11/5$1,478

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to San Diego 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 noviembre 6, 2025.
Use the filters below to find and compare flights from Trieste to San Diego that are best for you.

Fly from

Trieste

Fly to

San Diego

Route

Depart

Return

Price

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

vie. 2/20

6:25 am-8:49 pm

2 stops47h 24m

San Diego

mar. 2/24

12:16 pm-10:40 pm

2 stops25h 24m

$826

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

vie. 2/20

6:35 am-8:49 pm

3 stops23h 14m

San Diego

mar. 2/24

7:05 am-10:25 am

2 stops18h 20m

$1,478

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Compare providers for flights from Trieste to San Diego

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 Diego in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Trieste-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trieste-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trieste-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trieste-San Diego 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 Diego 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 Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Trieste with our price prediction graph.
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.

Related info for your journey

Find useful and relevant information for your journey from Trieste to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trieste to San Diego?

    Lufthansa and United Airlines can get you from Trieste to San Diego in just under 23h 14m. Your travel time can differ by up to 24h 10m. There are 6192 mi between Trieste and San Diego. This flight may include one or multiple stops.

  • Can I find deals for flights from Trieste to San Diego that include hotel bookings?

    Yes. In addition to deals on Trieste to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to San Diego.

  • Can I find deals for business class flights from Trieste to San Diego?

    Yes. Cheapflights offers flight deals from Trieste to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
La Mesa
Poway
Lemon Grove
National City

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