How do I get Price Alerts for flights from Trieste to San Diego?

Price Alerts will notify you by email when the price for flights to San Diego from Trieste decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Trieste to San Diego with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to San Diego Airport?

Prices for flights from Trieste Ronchi dei Legionari Airport to San Diego Airport were last updated today.

How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to San Diego 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 Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$737 Cheap Flights from Trieste to San Diego in 2026

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Find the cheapest flights from Trieste to San Diego

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6:00 am - 10:59 pm

TRS

SAN

25h 59m

2 stops

2:05 pm - 10:15 pm

SAN

TRS

23h 10m

2 stops

$754Lufthansa

Fri, Apr 17 - Tue, Apr 21

6:00 am - 6:41 pm

TRS

SAN

21h 41m

2 stops

5:15 pm - 10:15 pm

SAN

TRS

20h 00m

2 stops

$786Lufthansa

Fri, May 15 - Sun, May 17

2:40 pm - 12:28 am

TRS

SAN

18h 48m

2 stops

10:55 am - 1:55 pm

SAN

TRS

18h 00m

2 stops

$920Lufthansa

Thu, May 14 - Mon, May 18

2:40 pm - 12:28 am

TRS

SAN

18h 48m

2 stops

10:55 am - 1:45 pm

SAN

TRS

17h 50m

2 stops

$995Lufthansa

Thu, May 14 - Sun, May 17

6:35 am - 10:59 pm

TRS

SAN

25h 24m

2 stops

7:40 pm - 10:25 am

SAN

TRS

29h 45m

3 stops

$1,107United Airlines

Thu, Apr 16 - Mon, Apr 20

6:35 am - 11:25 am

TRS

SAN

37h 50m

2 stops

1:20 pm - 10:25 am

SAN

TRS

36h 05m

2 stops

$1,111United Airlines

Thu, Apr 16 - Mon, Apr 20

6:35 am - 10:38 pm

TRS

SAN

25h 03m

2 stops

7:40 pm - 10:25 am

SAN

TRS

29h 45m

3 stops

$1,117United Airlines

Thu, Apr 16 - Mon, Apr 20

11:15 am - 11:53 am

TRS

SAN

33h 38m

3 stops

5:15 pm - 8:00 pm

SAN

TRS

17h 45m

2 stops

$1,126Multiple Airlines

Fri, Apr 17 - Tue, Apr 21

11:15 am - 11:53 am

TRS

SAN

33h 38m

3 stops

5:15 pm - 10:15 pm

SAN

TRS

20h 00m

3 stops

$1,240Multiple Airlines

Fri, Apr 17 - Tue, Apr 21

6:35 am - 4:05 pm

TRS

SAN

42h 30m

3 stops

6:20 am - 10:25 am

SAN

TRS

43h 05m

2 stops

$1,267United Airlines

Fri, May 15 - Sun, May 17

Lufthansa flights from Trieste to San Diego

Our best Lufthansa deals on Trieste to San Diego flight tickets

Lufthansa

Apr 17

TRS6:00 amTrieste Ronchi dei Legionari

25h 59m

2 stops

SAN10:59 pmSan Diego

Apr 21

SAN2:05 pmSan Diego

23h 10m

2 stops

TRS10:15 pmTrieste Ronchi dei Legionari

$754

Lufthansa

May 15

TRS6:00 amTrieste Ronchi dei Legionari

21h 41m

2 stops

SAN6:41 pmSan Diego

May 17

SAN5:15 pmSan Diego

20h 00m

2 stops

TRS10:15 pmTrieste Ronchi dei Legionari

$786

Lufthansa

May 14

TRS2:40 pmTrieste Ronchi dei Legionari

18h 48m

2 stops

SAN12:28 amSan Diego

May 18

SAN10:55 amSan Diego

18h 00m

2 stops

TRS1:55 pmTrieste Ronchi dei Legionari

$920

United Airlines flights from Trieste to San Diego

Our best United Airlines deals on Trieste to San Diego flight tickets

United Airlines

Apr 16

TRS6:35 amTrieste Ronchi dei Legionari

25h 24m

2 stops

SAN10:59 pmSan Diego

Apr 20

SAN7:40 pmSan Diego

29h 45m

3 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,107

United Airlines

Apr 16

TRS6:35 amTrieste Ronchi dei Legionari

37h 50m

2 stops

SAN11:25 amSan Diego

Apr 20

SAN1:20 pmSan Diego

36h 05m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,111

United Airlines

Apr 16

TRS6:35 amTrieste Ronchi dei Legionari

25h 24m

2 stops

SAN10:59 pmSan Diego

Apr 20

SAN10:30 pmSan Diego

26h 55m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,117

Fly from

Fly to

Route

Depart

Return

Price

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 4/17

6:00 am-10:59 pm

2 stops25h 59m

San Diego

Tue 4/21

2:05 pm-10:15 pm

2 stops23h 10m

$754

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 5/15

6:00 am-6:41 pm

2 stops21h 41m

San Diego

Sun 5/17

5:15 pm-10:15 pm

2 stops20h 00m

$786

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Thu 5/14

2:40 pm-12:28 am

2 stops18h 48m

San Diego

Mon 5/18

10:55 am-1:55 pm

2 stops18h 00m

$920

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Thu 5/14

2:40 pm-12:28 am

2 stops18h 48m

San Diego

Sun 5/17

10:55 am-1:45 pm

2 stops17h 50m

$995

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Thu 4/16

6:35 am-10:59 pm

2 stops25h 24m

San Diego

Mon 4/20

7:40 pm-10:25 am

3 stops29h 45m

$1,107

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Thu 4/16

6:35 am-11:25 am

2 stops37h 50m

San Diego

Mon 4/20

1:20 pm-10:25 am

2 stops36h 05m

$1,111

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Thu 4/16

6:35 am-10:38 pm

2 stops25h 03m

San Diego

Mon 4/20

7:40 pm-10:25 am

3 stops29h 45m

$1,117

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 4/17

11:15 am-11:53 am

3 stops33h 38m

San Diego

Tue 4/21

5:15 pm-8:00 pm

2 stops17h 45m

$1,126

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 4/17

11:15 am-11:53 am

3 stops33h 38m

San Diego

Tue 4/21

5:15 pm-10:15 pm

3 stops20h 00m

$1,240

TriesteSan Diego

TRS - SAN

TRSSAN

Trieste Ronchi dei Legionari

Fri 5/15

6:35 am-4:05 pm

3 stops42h 30m

San Diego

Sun 5/17

6:20 am-10:25 am

2 stops43h 05m

$1,267

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

When to book flights from Trieste to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Trieste to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Trieste to San Diego (TRS to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trieste to San Diego

Fastest flight time	25h 59m
Direct flights	None

The fastest flight from Trieste to San Diego takes 25h 59m

There are no direct flights from Trieste to San Diego. There are no popular flight routes from Trieste to San Diego.

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How far is Trieste Ronchi dei Legionari to San Diego by plane?
San Diego is 6209.3 mi away from Trieste Ronchi dei Legionari. 25h 59m is a normal flight duration for this route.
When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to San Diego Airport?
Prices for flights from Trieste Ronchi dei Legionari Airport to San Diego Airport were last updated today.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to San Diego 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 Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents you'll need for your trip to San Diego Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Diego Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

How do I get Price Alerts for flights from Trieste to San Diego?
Price Alerts will notify you by email when the price for flights to San Diego from Trieste decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Trieste to San Diego with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Chula Vista

El Cajon

Julian

Poway

National City

Imperial Beach

San Ysidro

Borrego Springs

La Mesa

Alpine

Lemon Grove

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Trieste to San Diego?

It is quick and easy to find Trieste to San Diego flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Diego that suits you.

Can I find flights from Trieste to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Trieste with this policy.

How can momondo help me find flights from Trieste to San Diego?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Trieste to San Diego.

I’m not ready to book a flight from Trieste to San Diego right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Diego, momondo offers a useful price alert feature which will track prices for flights to San Diego from Trieste and alert you when they change.