In terms of precipitation, rainfall in Trieste ranges from 2.4 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Trieste when rainfall is around 2.4 in.

If weather is an important factor for your trip to Trieste, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from SAN to TRS?

When flying from San Diego to Trieste, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

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

$695+ Flights from San Diego to Trieste

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Cheap flight deals from San Diego to Trieste

Round-trip from	$850 (FlightHub)
One-way from	$695 (Lufthansa)

From San Diego to Trieste Ronchi dei Legionari

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One-way flight from San Diego to Trieste Ronchi dei Legionari

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Find flight deals from San Diego to Trieste

Cheapest flights from San Diego to Trieste
Explore the most affordable flight options available from San Diego to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Sat 8/302:21 pmSAN - TRS

2 stops47h 14mLufthansa

Mon 9/82:45 pmTRS - SAN

2 stops36h 38mLufthansa

Deal found 7/10

$850

Fri 7/256:15 amSAN - TRS

3 stops27h 15mMultiple Airlines

Tue 7/296:35 amTRS - SAN

3 stops25h 31mMultiple Airlines

Deal found 7/9

$1,063

Best flights from San Diego to Trieste
Discover carefully curated flight deals from San Diego to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2025.

Sat 8/302:21 pmSAN - TRS

2 stops47h 14mLufthansa

Mon 9/82:45 pmTRS - SAN

2 stops36h 38mLufthansa

Deal found 7/10

$850

Fri 7/256:15 amSAN - TRS

3 stops27h 15mMultiple Airlines

Tue 7/296:35 amTRS - SAN

3 stops25h 31mMultiple Airlines

Deal found 7/9

$1,063

Last-minute flights from San Diego to Trieste
Discover last-minute flight deals from San Diego to Trieste. Data last updated July 11, 2025 and is based on user searches.

Fri 7/256:15 amSAN - TRS

3 stops27h 15mMultiple Airlines

Tue 7/296:35 amTRS - SAN

3 stops25h 31mMultiple Airlines

Deal found 7/9

$1,063

Sat 8/302:21 pmSAN - TRS

2 stops47h 14mLufthansa

Mon 9/82:45 pmTRS - SAN

2 stops36h 38mLufthansa

Deal found 7/10

$850

One-way flights from San Diego to Trieste
Search for one-way flight options from San Diego to Trieste. Find affordable one-way fares based on user searches. Data last updated July 11, 2025.

Thu 8/710:43 amSAN - TRS

2 stops18h 22mLufthansa

Deal found 7/9

$695

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San DiegoTrieste

SAN - TRS

SANTRS

San Diego

Sat 8/30

2:21 pm-10:35 pm

2 stops47h 14m

Trieste Ronchi dei Legionari

Mon 9/8

2:45 pm-6:23 pm

2 stops36h 38m

$850

San DiegoTrieste

SAN - TRS

SANTRS

San Diego

Fri 7/25

6:15 am-6:30 pm

3 stops27h 15m

Trieste Ronchi dei Legionari

Tue 7/29

6:35 am-11:06 pm

3 stops25h 31m

$1,063

San DiegoTrieste

SAN - TRS

SANTRS

San Diego

Thu 8/7

10:43 am-2:05 pm

2 stops18h 22m

$695

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Best time to book a flight from San Diego to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from San Diego 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.

Reviews of airlines servicing Trieste

Read through reviews of airlines operating flights from San Diego to Trieste, such as Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Lufthansa

6.8

Okay

7,199 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Lufthansa

6.8

Okay

7,199 reviews

Lufthansa

6.8

Okay

7,199 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

Can I find deals for flights from San Diego to Trieste that include hotel bookings?
Yes. In addition to deals on San Diego to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Diego to Trieste?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Trieste.
Can I find deals for business class flights from San Diego to Trieste?
Yes. Cheapflights offers flight deals from San Diego to Trieste by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for San Diego to Trieste

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$695+ Cheap flights from San Diego (SAN) to Trieste (TRS)

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Diego to Trieste with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Diego to Trieste

Round-trip from

One-way from

Find flight deals from San Diego to Trieste

Cheapest flights from San Diego to TriesteExplore the most affordable flight options available from San Diego to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Explore the most affordable flight options available from San Diego to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Diego to Trieste that are best for you.

Best time to book a flight from San Diego to Trieste

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

Reviews of airlines servicing Trieste

Read through reviews of airlines operating flights from San Diego to Trieste, such as Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

Browse 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 San Diego to Trieste

See prices for flight routes from nearby airports that may be better suited for you.

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from San Diego to Trieste
Explore the most affordable flight options available from San Diego to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.