Cheap flights from St. Louis to Trieste from £331

Cheap flights from St. Louis to Trieste from £331

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3 stops
Sun, Jul 26
St. Louis STLTrieste TRS
£331
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3 stops
Sun, Jul 26
St. Louis STLTrieste TRS
£344
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3 stops
Wed, Jul 22
St. Louis STLTrieste TRS
£374
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3 stops
Mon, Jul 27
St. Louis STLTrieste TRS
£375
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3 stops
Mon, Jul 27
St. Louis STLTrieste TRS
£376
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2 stops
Mon, Jul 27
St. Louis STLTrieste TRS
£442
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3 stops
Sun, Jul 26 – Fri, Jul 31
St. Louis STLTrieste TRS
£893
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3 stops
Sun, Jul 26 – Fri, Jul 31
St. Louis STLTrieste TRS
£907
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3 stops
Tue, Jul 21 – Sat, Jul 25
St. Louis STLTrieste TRS
£917
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3 stops
Sun, Jul 26 – Sat, Aug 1
St. Louis STLTrieste TRS
£917
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3 stops
Tue, Jul 21 – Sat, Jul 25
St. Louis STLTrieste TRS
£919
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3 stops
Wed, Jul 22 – Sat, Jul 25
St. Louis STLTrieste TRS
£947
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How much do flights to Trieste cost?

Cheapest one-way trip

£331

Cheapest round-trip

£893

Average round-trip

£957

Includes rare itinerary

Travel hack

Most popular airline

Ryanair

Getting from Trieste airport to the city center

The fastest option is taxi or private transfer, while budget travelers often choose the airport bus

Trieste is served by Trieste–Friuli Venezia Giulia Airport (TRS), located approximately 33 km northwest of the city center. This regional airport offers several airport transfers to city center options including airport buses, taxis, ride-hailing services, private transfers, and rental cars. The airport bus provides an affordable connection to Trieste's central train station, while taxis and private transfers offer door-to-door convenience. Journey times vary depending on traffic conditions, particularly during peak hours.

Transport Option

Typical Time

Typical Cost

Frequency

Best For

50-60 min

€4 – €5; one-way ticket

coordinated with flights (traffic dependent)

budget travelers

30-50 min

€50 – €70; metered fare; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door convenience

30-45 min

€60 – €90; pre-booked fixed rate

pre-booked (traffic dependent)

groups or families

30-50 min

€35 – €80; per day; varies by provider

on-demand during office hours (traffic dependent)

exploring the region

45-70 min

€15 – €30; shared shuttle; advance booking

scheduled departures (traffic dependent)

flexible schedules

Notes:

  • Prices in EUR; table created in 2025 and subject to change.
  • The airport bus service is coordinated with flight arrivals and departures; check schedules in advance.
  • Taxi fares are metered and may vary based on traffic and time of day.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Trieste

Depart from
St. Louis Lambert International
Arrive to
Trieste – Friuli Venezia Giulia
Average flights per week
368
Flight distance
Worth visiting
Lake Bled - Piazza San Marco - Postojna Cave

Check-in for a flight from St. Louis to Trieste

NameCarrier codeIATA CodePassport needed during booking
RyanairRYRFRNo
Frontier AirlinesFFTF9No
ITA AirwaysITYAZYes
LufthansaDLHLHNo
KLM Royal Dutch AirlinesKLMKLNo

Online check-in is not available for these airlines.

Weather in Trieste

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C3°C
March12°C5°C
April16°C8°C
May20°C12°C
June25°C16°C
July27°C19°C
August28°C19°C
September23°C15°C
October18°C11°C
November12°C8°C
December8°C4°C
Hottest Month
28°C
August
Coldest month
2°C
January
Sunny days
278
days per year
Snow days
1
days per year

14 day forecast

Sunday
12 Jul
60%
29°C16°C
19 Jul
36%
31°C19°C
Monday
13 Jul
29°C18°C
20 Jul
32°C19°C
Tuesday
14 Jul
57%
30°C19°C
21 Jul
33°C21°C
Wednesday
15 Jul
63%
31°C17°C
22 Jul
57%
34°C18°C
Thursday
16 Jul
30°C16°C
23 Jul
30°C19°C
Friday
17 Jul
31°C19°C
24 Jul
32°C18°C
Saturday
18 Jul
17%
31°C20°C
25 Jul
33°C21°C
The most popular airlines for this route are Ryanair, Frontier Airlines, ITA Airways, Lufthansa, and KLM Royal Dutch Airlines. St. Louis and Trieste have 368 direct flights per week. When you arrive at Trieste, consider visiting Lake Bled, Piazza San Marco, and Postojna Cave.

Frequently asked questions

What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Las Vegas, Orlando, Cancún, Denver, Los Angeles, San Francisco, Mexico City, Cali, Buenos Aires, Ottawa, Lima, Toronto, Edmonton, San José, Reykjavik, Kelowna, Tuxtla Gutiérrez, Sydney, Fort Lauderdale.
What are the most popular routes to and from Trieste?
Travelers frequently search for route combinations, such as Trieste and London, Manchester, Tirana, Rome, Bucharest, Dubai, Palermo, Naples, Tel Aviv, Catania, Miami, Madrid, Cancún, Athens, Prague, Hamburg, Frankfurt, Bangkok, Genoa, Riga.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, MidAmerica St. Louis, General Wayne A. Downing Peoria International, Columbia Regional, Evansville Regional, Abraham Lincoln Capital, Central Illinois Regional, Quincy Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional.
What airports are near Trieste?
The main airport in Trieste is Trieste – Friuli Venezia Giulia. It is also served by Venice Marco Polo, Zagreb, Bologna Guglielmo Marconi, Treviso, Ljubljana Jože Pučnik, Verona Villafranca, Trieste – Friuli Venezia Giulia, Pula, Rijeka, Klagenfurt.
Which airlines fly between St. Louis and Trieste?
Currently, you can fly between St. Louis and Trieste with Ryanair, Frontier Airlines, ITA Airways, Lufthansa, KLM Royal Dutch Airlines.
When’s the best time to travel between St. Louis and Trieste?
If you don’t have specific dates for your trip between St. Louis and Trieste, you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
What flights operate between St. Louis and Trieste?
Traveling between St. Louis and Trieste, you can choose between direct (nonstop) flights or flights with one or more stops. You can select the number of stops on your journey, including an overnight stopover, and the duration of the stopover. What’s more, you can also select where you want to have your stopover. Want to say "Hi" to a friend in another city en route to your destination? Or fancy a quick round of shopping? Go Multi-City or Nomad and add places to your search that you wish to visit.
How many airports are there near St. Louis?
There are a number of airports in and around St. Louis. The main one is St. Louis Lambert International and other nearby airports include St. Louis Lambert International, MidAmerica St. Louis, General Wayne A. Downing Peoria International, Columbia Regional, Evansville Regional, Abraham Lincoln Capital, Central Illinois Regional, Quincy Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional
How many airports are there near Trieste?
There are a number of airports in and around Trieste. The main one is Trieste – Friuli Venezia Giulia and other nearby airports include Venice Marco Polo, Zagreb, Bologna Guglielmo Marconi, Treviso, Ljubljana Jože Pučnik, Verona Villafranca, Trieste – Friuli Venezia Giulia, Pula, Rijeka, Klagenfurt.
What time do nonstop (direct) flights between St. Louis and Trieste depart?
What time do nonstop (direct) flights between St. Louis and Trieste arrive?
What time do flights between St. Louis and Trieste depart?
What time do flights between St. Louis and Trieste arrive?

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