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Cheap flights from Missouri to Trieste from $1,000

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Trieste departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Missouri to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:15 pm - 10:25 am
MCI
-
TRS
15h 10m
2 stops
United Airlines Logo
6:35 am - 5:38 pm
TRS
-
MCI
18h 03m
2 stops
$1,494United Airlines
Wed, Mar 25 - Wed, Apr 1
United Airlines Logo
7:41 am - 10:25 am
STL
-
TRS
19h 44m
2 stops
United Airlines Logo
6:35 am - 6:14 pm
TRS
-
STL
18h 39m
2 stops
$1,775United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
12:08 pm - 10:25 am
MCI
-
TRS
15h 17m
2 stops
United Airlines Logo
6:35 am - 7:03 pm
TRS
-
MCI
19h 28m
2 stops
$1,794United Airlines
Tue, May 19 - Wed, Jun 3
United Airlines Logo
1:11 pm - 10:25 am
STL
-
TRS
14h 14m
2 stops
United Airlines Logo
6:35 am - 8:07 pm
TRS
-
STL
20h 32m
2 stops
$2,068United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
8:00 am - 10:25 am
MCI
-
TRS
19h 25m
2 stops
United Airlines Logo
6:35 am - 8:06 pm
TRS
-
MCI
20h 31m
2 stops
$2,107United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
9:10 am - 10:25 am
MCI
-
TRS
18h 15m
2 stops
United Airlines Logo
6:35 am - 9:59 pm
TRS
-
MCI
22h 24m
2 stops
$2,332United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
7:41 am - 10:25 am
STL
-
TRS
19h 44m
2 stops
United Airlines Logo
6:35 am - 6:14 pm
TRS
-
STL
18h 39m
2 stops
$2,418United Airlines
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
10:24 am - 10:25 am
MCI
-
TRS
17h 01m
2 stops
United Airlines Logo
6:35 am - 8:06 pm
TRS
-
MCI
20h 31m
2 stops
$3,448United Airlines
Wed, Feb 25 - Sun, Mar 1

United Airlines flights from Missouri to Trieste

Our best United Airlines deals on Missouri to Trieste flight tickets
United Airlines
Mar 25
MCI1:15 pmKansas City
15h 10m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Apr 1
TRS6:35 amTrieste Ronchi dei Legionari
18h 03m
2 stops
MCI5:38 pmKansas City
$1,494
United Airlines
Mar 4
STL7:41 amLambert-St Louis
19h 44m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 8
TRS6:35 amTrieste Ronchi dei Legionari
18h 39m
2 stops
STL6:14 pmLambert-St Louis
$1,775
United Airlines
May 19
MCI12:08 pmKansas City
15h 17m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jun 3
TRS6:35 amTrieste Ronchi dei Legionari
19h 28m
2 stops
MCI7:03 pmKansas City
$1,794

momondo 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Missouri to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Wed 3/25

1:15 pm-10:25 am

2 stops15h 10m

Trieste Ronchi dei Legionari

Wed 4/1

6:35 am-5:38 pm

2 stops18h 03m

$1,494

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 3/4

7:41 am-10:25 am

2 stops19h 44m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-6:14 pm

2 stops18h 39m

$1,775

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Tue 5/19

12:08 pm-10:25 am

2 stops15h 17m

Trieste Ronchi dei Legionari

Wed 6/3

6:35 am-7:03 pm

2 stops19h 28m

$1,794

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 3/4

1:11 pm-10:25 am

2 stops14h 14m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-8:07 pm

2 stops20h 32m

$2,068

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Wed 2/25

8:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Sun 3/1

6:35 am-8:06 pm

2 stops20h 31m

$2,107

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Wed 2/25

9:10 am-10:25 am

2 stops18h 15m

Trieste Ronchi dei Legionari

Sun 3/1

6:35 am-9:59 pm

2 stops22h 24m

$2,332

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 3/4

7:41 am-10:25 am

2 stops19h 44m

Trieste Ronchi dei Legionari

Sun 3/8

6:35 am-6:14 pm

2 stops18h 39m

$2,418

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Wed 2/25

10:24 am-10:25 am

2 stops17h 01m

Trieste Ronchi dei Legionari

Sun 3/1

6:35 am-8:06 pm

2 stops20h 31m

$3,448

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Tue 5/19

6:17 am-10:25 am

2 stops21h 08m

$1,000

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Mon 6/15

7:45 am-10:25 am

2 stops19h 40m

$1,275

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from Missouri to Trieste

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Missouri to Trieste Ronchi dei Legionari?

United Airlines is the most popular carrier operating from Missouri to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Trieste from Missouri according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 5 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

Cheap Missouri to Trieste flight deals and tips

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

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Missouri to Trieste takes 15h 10m
There are no direct flights from Missouri to Trieste. There are no popular flight routes from Missouri to Trieste.
Search flight deals

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

    Prices for flights from Missouri to Trieste Ronchi dei Legionari Airport are updated daily.

  • How old do you have to be to fly from Missouri to Trieste Ronchi dei Legionari Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Trieste Ronchi dei Legionari Airport.

  • What documentation or ID do you need to fly to Trieste Ronchi dei Legionari Airport?

    The travel and health documents required for your trip to Trieste Ronchi dei Legionari Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Trieste Ronchi dei Legionari Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Trieste?

Book flights to Trieste if you plan to visit one of these locations
Udine
Grado

Why use momondo?

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

It is quick and easy to find Missouri to Trieste 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 Trieste that suits you.

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

Yes. All flights to Trieste from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Trieste?

momondo provides multiple filters to help you find the best flight to Trieste from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Trieste from Missouri. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Fly your favorite airline to Trieste

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
American Airlines
United Airlines
Delta
Air Canada
British Airways