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Trieste

$675+ Cheap flights from Missouri to Trieste (TRS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — TRS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Missouri to Trieste

Best flights from Missouri to Trieste
Discover carefully curated flight deals from Missouri to Trieste that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This Gurufare deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/303:50 pmSTL - TRS
1 stop15h 15mMultiple Airlines
Fri 2/67:15 pmTRS - STL
2 stops35h 44mMultiple Airlines
Deal found 12/16$675
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/218:00 amMCI - TRS
2 stops19h 25mUnited Airlines
Fri 5/16:35 amTRS - MCI
2 stops17h 59mUnited Airlines
Deal found 12/16$1,086
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:34 pmMCI - TRS
2 stops32h 51mUnited Airlines
Thu 4/26:35 amTRS - MCI
2 stops19h 22mUnited Airlines
Deal found 12/16$1,711
This United Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/411:22 amSTL - TRS
2 stops16h 03mUnited Airlines
Sun 2/86:35 amTRS - STL
2 stops39h 54mUnited Airlines
Deal found 12/15$1,859
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:40 amMCI - TRS
2 stops15h 45mUnited Airlines
Mon 6/16:35 amTRS - MCI
2 stops20h 57mUnited Airlines
Deal found 12/16$2,001
This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:40 amMCI - TRS
2 stops15h 45mUnited Airlines
Tue 6/26:35 amTRS - MCI
2 stops17h 46mUnited Airlines
Deal found 12/16$3,136

Find flight deals from Missouri to Trieste

Keep the following information in mind while searching for Missouri to Trieste flight deals. Data was last updated December 18, 2025.

Round-trip from

$675
(Gurufare)
From Missouri to Trieste Ronchi dei Legionari
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Trieste that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Missouri to Trieste that are best for you.

Fly from

Missouri

Fly to

Trieste

Route

Depart

Return

Price

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Fri 1/30

3:50 pm-2:05 pm

1 stop15h 15m

Trieste Ronchi dei Legionari

Fri 2/6

7:15 pm-11:59 pm

2 stops35h 44m

$675

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Tue 4/21

8:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Fri 5/1

6:35 am-5:34 pm

2 stops17h 59m

$1,086

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Sat 3/28

6:34 pm-9:25 am

2 stops32h 51m

Trieste Ronchi dei Legionari

Thu 4/2

6:35 am-6:57 pm

2 stops19h 22m

$1,711

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 2/4

11:22 am-10:25 am

2 stops16h 03m

Trieste Ronchi dei Legionari

Sun 2/8

6:35 am-3:29 pm

2 stops39h 54m

$1,859

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 5/29

11:40 am-10:25 am

2 stops15h 45m

Trieste Ronchi dei Legionari

Mon 6/1

6:35 am-8:32 pm

2 stops20h 57m

$2,001

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 5/29

11:40 am-10:25 am

2 stops15h 45m

Trieste Ronchi dei Legionari

Tue 6/2

6:35 am-5:21 pm

2 stops17h 46m

$3,136

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Missouri to Trieste

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

Cheapflights Insights

Everything you need to know about your flight from Missouri to Trieste

What is the cheapest month to book a flight from Missouri to Trieste?

Currently, April is the cheapest month in which you can book a flight from Missouri to Trieste (average of $545). Flying from Missouri to Trieste in August is currently the most expensive (average of $1,239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly into for flights to Trieste from Missouri?

    Trieste Ronchi dei Legionari (TRS), located 18.2 mi from the city center, is the airport you fly into when you book flights from Missouri to Trieste.

  • How long is the flight from Missouri to Trieste?

    There are many flights that can get you from Missouri to Trieste in 19h 25m. Fly via United Airlines to get the fastest option. There are 5068 mi between Missouri and Trieste.

  • Can I find deals for flights from Missouri to Trieste that include hotel bookings?

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

  • How can I find direct flights from Missouri to Trieste?

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

  • Can I find deals for business class flights from Missouri to Trieste?

    Yes. Cheapflights offers flight deals from Missouri 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.

  • What is the cheapest month to book a flight from Missouri to Trieste?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Trieste (average of $545). Flying from Missouri to Trieste in August is currently the most expensive (average of $1,239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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