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.

$1,039 Cheap Flights from Trieste to San Diego in 2026/27

Find the cheapest flights from Trieste to San Diego

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:35 am - 7:36 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

45h 01m2 stops Rome Fiumicino Atlanta Hartsfield-Jackson

6:15 am - 2:30 pmSAN San Diego-TRS Trieste Ronchi dei Legionari

23h 15m2 stops Detroit Metropolitan Wayne County Rome Fiumicino

$1,039KLM

Fri, Oct 30 - Tue, Nov 3

6:15 am - 9:24 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

24h 09m2 stops Frankfurt am Main Houston George Bush Intcntl

2:24 pm - 10:25 pmSAN San Diego-TRS Trieste Ronchi dei Legionari

23h 01m2 stops Los Angeles Frankfurt am Main

$1,042Lufthansa

Sat, Oct 10 - Wed, Oct 14

6:35 am - 10:20 amTRS Trieste Ronchi dei Legionari-SAN San Diego

36h 45m2 stops Rome Fiumicino Newark

7:10 am - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

18h 15m2 stops Newark Rome Fiumicino

$1,084United Airlines

Fri, Feb 5 - Sun, Feb 7

6:35 am - 10:20 amTRS Trieste Ronchi dei Legionari-SAN San Diego

36h 45m2 stops Rome Fiumicino Newark

7:10 am - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

18h 15m2 stops Newark Rome Fiumicino

$1,086United Airlines

Fri, Feb 5 - Sun, Feb 7

6:35 am - 11:16 amTRS Trieste Ronchi dei Legionari-SAN San Diego

37h 41m2 stops Rome Fiumicino Washington, D.C. Dulles Intl

2:30 pm - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

34h 55m2 stops Newark Rome Fiumicino

$1,087United Airlines

Fri, Feb 5 - Sun, Feb 7

6:35 am - 3:33 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

41h 58m2 stops Rome Fiumicino Washington, D.C. Dulles Intl

10:20 pm - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

27h 05m2 stops Newark Rome Fiumicino

$1,091United Airlines

Fri, Feb 5 - Sun, Feb 7

6:35 am - 6:37 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

44h 02m3 stops Rome Fiumicino Denver Intl San Francisco

6:35 am - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

18h 50m2 stops Newark Rome Fiumicino

$1,235United Airlines

Fri, Oct 30 - Tue, Nov 3

7:15 pm - 6:41 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

32h 26m2 stops Rome Fiumicino San Francisco

9:30 am - 6:30 pmSAN San Diego-TRS Trieste Ronchi dei Legionari

24h 00m2 stops San Francisco Rome Fiumicino

$1,396ITA Airways

Mon, Dec 28 - Thu, Jan 7

6:35 am - 9:35 amTRS Trieste Ronchi dei Legionari-SAN San Diego

36h 00m2 stops Rome Fiumicino Chicago O'Hare Intl

10:20 pm - 10:25 amSAN San Diego-TRS Trieste Ronchi dei Legionari

27h 05m2 stops Newark Rome Fiumicino

$1,486United Airlines

Mon, Dec 28 - Tue, Jan 12

1:35 pm - 6:38 pmTRS Trieste Ronchi dei Legionari-SAN San Diego

37h 03m3 stops Barcelona-El Prat Amsterdam Schiphol San Francisco

10:56 am - 8:45 pmSAN San Diego-TRS Trieste Ronchi dei Legionari

24h 49m3 stops San Francisco Paris Charles de Gaulle Milan Linate

$1,562Multiple Airlines

Fri, Oct 30 - Tue, Nov 3

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ITA Airways flights from Trieste to San Diego

Our best ITA Airways deals on Trieste to San Diego flight tickets

ITA Airways

Dec 28

TRS7:15 pmTrieste Ronchi dei Legionari

32h 26m

2 stops

SAN6:41 pmSan Diego

Jan 7

SAN9:30 amSan Diego

24h 00m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

$1,396

ITA Airways

Dec 27

TRS6:35 amTrieste Ronchi dei Legionari

23h 05m

2 stops

SAN8:40 pmSan Diego

Jan 7

SAN9:30 amSan Diego

20h 00m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

$1,874

ITA Airways

Jan 1

TRS7:15 pmTrieste Ronchi dei Legionari

34h 19m

2 stops

SAN8:34 pmSan Diego

Jan 7

SAN9:30 amSan Diego

28h 25m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

$2,333

United Airlines flights from Trieste to San Diego

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

United Airlines

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

36h 45m

2 stops

SAN10:20 amSan Diego

Feb 7

SAN7:10 amSan Diego

18h 15m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,084

United Airlines

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

36h 45m

2 stops

SAN10:20 amSan Diego

Feb 7

SAN7:10 amSan Diego

18h 15m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,086

United Airlines

Feb 5

TRS6:35 amTrieste Ronchi dei Legionari

37h 41m

2 stops

SAN11:16 amSan Diego

Feb 7

SAN2:30 pmSan Diego

34h 55m

2 stops

TRS10:25 amTrieste Ronchi dei Legionari

$1,087

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 10/30

6:35 am-7:36 pm

2 stops45h 01m

San Diego

Tue 11/3

6:15 am-2:30 pm

2 stops23h 15m

$1,039

Quickest round-trip

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Sat 10/10

6:15 am-9:24 pm

2 stops24h 09m

San Diego

Wed 10/14

2:24 pm-10:25 pm

2 stops23h 01m

$1,042

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-10:20 am

2 stops36h 45m

San Diego

Sun 2/7

7:10 am-10:25 am

2 stops18h 15m

$1,084

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-10:20 am

2 stops36h 45m

San Diego

Sun 2/7

7:10 am-10:25 am

2 stops18h 15m

$1,086

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-11:16 am

2 stops37h 41m

San Diego

Sun 2/7

2:30 pm-10:25 am

2 stops34h 55m

$1,087

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 2/5

6:35 am-3:33 pm

2 stops41h 58m

San Diego

Sun 2/7

10:20 pm-10:25 am

2 stops27h 05m

$1,091

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 10/30

6:35 am-6:37 pm

3 stops44h 02m

San Diego

Tue 11/3

6:35 am-10:25 am

2 stops18h 50m

$1,235

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Mon 12/28

7:15 pm-6:41 pm

2 stops32h 26m

San Diego

Thu 1/7

9:30 am-6:30 pm

2 stops24h 00m

$1,396

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Mon 12/28

6:35 am-9:35 am

2 stops36h 00m

San Diego

Tue 1/12

10:20 pm-10:25 am

2 stops27h 05m

$1,486

TriesteSan Diego

TRS Trieste Ronchi dei Legionari - SAN San Diego

TRSSAN

Trieste Ronchi dei Legionari

Fri 10/30

1:35 pm-6:38 pm

3 stops37h 03m

San Diego

Tue 11/3

10:56 am-8:45 pm

3 stops24h 49m

$1,562

Flights are sorted by cheapest round-trip flights first.

Sorted 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

Best Price Found	$1,039
Fastest flight time	24h 09m
Direct flights	None

The best flight deal from Trieste to San Diego found on momondo in the last 72 hours is $1,039

The fastest flight from Trieste to San Diego takes 24h 09m

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

Search flight deals

Frequently asked questions about flying from Trieste to San Diego

How far is Trieste Ronchi dei Legionari to San Diego by plane?
San Diego is 6209.3 mi away from Trieste Ronchi dei Legionari. 24h 09m 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.

Frequently asked questions about flying from Trieste to San Diego

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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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.

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Cheap flights from Trieste to San Diego from $1,039

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to San Diego departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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ITA Airways flights from Trieste to San Diego

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United Airlines flights from Trieste to San Diego

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

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

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Frequently asked questions about flying from Trieste to San Diego

Frequently asked questions about flying from Trieste to San Diego

Traveling to a place near San Diego?

Why use momondo?

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in San Diego. Availability may vary depending on flight origin and airline.

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