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St. Louis to Trieste Airport flight
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Cheap Flights from St. Louis to Trieste Airport

  • One way
  • Round-trip
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • STL13:10
        18h 15m
        2 stops
        TRS14:25
        St. Louis - Trieste|Mon, Jul 1|Delta Air Lines
        US$1,206US$1,445
        17% OFF
        17% OFF
        US$1,445US$1,206
      • STL13:10
        18h 5m
        2 stops
        TRS14:15
        St. Louis - Trieste|Mon, Jul 1|Lufthansa
        US$1,222US$1,445
        15% OFF
        15% OFF
        US$1,445US$1,222
      • STL13:10
        18h 5m
        2 stops
        TRS14:15
        St. Louis - Trieste|Mon, Jul 1|United Airlines
        US$1,272US$1,445
        12% OFF
        12% OFF
        US$1,445US$1,272
      • STL13:00
        3h 5m
        Direct
        TRS14:00
        St. Louis - Trieste|Mon, Jul 1|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from St. Louis to Trieste Airport
Delta Air Lines
From US$1,109
Lufthansa
From US$1,222
United Airlines
From US$1,272
KLM
From US$1,673
American Airlines
From US$2,788
ANA airlines

Find more flights and airlines

Airports in St. Louis

  • 21.12 km from central St. Louis
    St. Louis Lambert International Airport
    Tickets From
    US$1,109
Flight Schedule from St. Louis to Trieste Airport
Flight info.
Departure
Arrival
Weekly Schedule

  1. DL5618

    Delta Air Lines

    10:30

    STL

    2.5h

    13:59

    LGA

    SMTWT-S
    Search

  2. AZ603

    ITA Airways

    17:40

    JFK

    8.6h

    08:15

    FCO

    SMTWTFS

  3. AZ1357

    ITA Airways

    09:15

    FCO

    1.2h

    10:25

    TRS

    SMTWTFS

  4. DL4922

    Delta Air Lines

    12:40

    STL

    2.5h

    16:11

    LGA

    SMTWT-S
    Search

  5. AZ611

    ITA Airways

    21:30

    JFK

    8.6h

    12:05

    FCO

    SMTWTFS

  6. AZ1365

    ITA Airways

    13:20

    FCO

    1.1h

    14:25

    TRS

    SMTWTFS

  7. UA4383

    United Airlines

    12:55

    STL

    1.5h

    14:27

    ORD

    SMTWT--
    Search

  8. UA944

    United Airlines

    15:10

    ORD

    8.3h

    06:30

    FRA

    SMTWTFS

  9. EN8818

    Air Dolomiti

    12:55

    FRA

    1.3h

    14:15

    TRS

    SMT-TFS

  10. UA4383

    United Airlines

    12:55

    STL

    1.5h

    14:27

    ORD

    SMTWT--
    Search

  11. LH431

    Lufthansa

    16:00

    ORD

    8.3h

    07:20

    FRA

    SMTWTFS

  12. LH9570

    Lufthansa

    12:55

    FRA

    1.3h

    14:15

    TRS

    SMT-TFS

  13. LH8923

    Lufthansa

    12:55

    STL

    1.5h

    14:27

    ORD

    SMTWTFS
    Search

  14. LH431

    Lufthansa

    16:00

    ORD

    8.3h

    07:20

    FRA

    SMTWTFS

  15. LH9570

    Lufthansa

    12:55

    FRA

    1.3h

    14:15

    TRS

    SMT-TFS

  16. UA4383

    United Airlines

    12:55

    STL

    1.5h

    14:27

    ORD

    SMTWT--
    Search

  17. UA970

    United Airlines

    15:50

    ORD

    9.1h

    07:55

    FCO

    SMTWTFS

  18. AZ1357

    ITA Airways

    09:15

    FCO

    1.2h

    10:25

    TRS

    SMTWTFS

  19. DL5632

    Delta Air Lines

    13:10

    STL

    2.6h

    16:46

    LGA

    -----F-
    Search

  20. AZ611

    ITA Airways

    21:30

    JFK

    8.6h

    12:05

    FCO

    SMTWTFS

  21. AZ1365

    ITA Airways

    13:20

    FCO

    1.1h

    14:25

    TRS

    SMTWTFS

  22. AA6299

    American Airlines

    14:46

    STL

    1.4h

    16:10

    ORD

    SMTWTFS
    Search

  23. AA110

    American Airlines

    17:15

    ORD

    9.0h

    09:15

    FCO

    SMTWTFS

  24. AZ1365

    ITA Airways

    13:20

    FCO

    1.1h

    14:25

    TRS

    SMTWTFS

  25. DL4905

    Delta Air Lines

    15:10

    STL

    2.6h

    18:44

    LGA

    SMTWT-S
    Search

  26. AZ611

    ITA Airways

    21:30

    JFK

    8.6h

    12:05

    FCO

    SMTWTFS

  27. AZ1365

    ITA Airways

    13:20

    FCO

    1.1h

    14:25

    TRS

    SMTWTFS

  28. UA9067

    United Airlines

    15:45

    STL

    8.8h

    07:35

    FRA

    --T-T-S
    Search

  29. LH9570

    Lufthansa

    12:55

    FRA

    1.3h

    14:15

    TRS

    SMT-TFS
Find more flights and airlines

Flight Info of Flights from St. Louis to Trieste Airport

Off-season for travel

February

Peak season for travel

May

FAQs for St. Louis to Trieste Airport Flights

  • When are flight tickets from St. Louis (STL) to Trieste (TRS) the cheapest?

    Airlines adjust prices for flights from St. Louis to Trieste based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Trieste (TRS) cost?

    According to Trip.com's data, the lowest price is around $1,834.

  • What is the transportation method from the main airport to downtown in Trieste?

    • The distance from Trieste Airport to downtown is about 29km. It takes about 40 minutes by taxi.

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