Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Missouri to Trieste from $835

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 7/15. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Missouri to Trieste

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:41 pm - 10:25 am
MCI
-
TRS
32h 44m
2 stops
United Airlines Logo
6:35 am - 5:36 pm
TRS
-
MCI
18h 01m
2 stops
$1,224United Airlines
Sat, Jul 25 - Wed, Aug 5
Lufthansa Logo
1:03 pm - 9:55 pm
MCI
-
TRS
25h 52m
2 stops
Lufthansa Logo
6:10 am - 5:36 pm
TRS
-
MCI
18h 26m
2 stops
$1,234Lufthansa
Fri, Jul 3 - Fri, Aug 7
Lufthansa Logo
1:13 pm - 1:45 pm
STL
-
TRS
17h 32m
2 stops
Lufthansa Logo
6:20 am - 1:25 pm
TRS
-
STL
14h 05m
1 stop
$1,300Lufthansa
Tue, Jun 23 - Tue, Jun 30
Lufthansa Logo
12:23 pm - 1:45 pm
STL
-
TRS
18h 22m
2 stops
Lufthansa Logo
6:20 am - 3:46 pm
TRS
-
STL
16h 26m
2 stops
$1,310Lufthansa
Tue, Jun 23 - Tue, Jun 30
Lufthansa Logo
1:13 pm - 10:25 pm
STL
-
TRS
26h 12m
2 stops
Lufthansa Logo
6:20 am - 1:25 pm
TRS
-
STL
14h 05m
1 stop
$1,420Lufthansa
Wed, Jun 10 - Tue, Jun 16
Lufthansa Logo
1:13 pm - 10:25 pm
STL
-
TRS
26h 12m
2 stops
Lufthansa Logo
6:20 am - 3:46 pm
TRS
-
STL
16h 26m
2 stops
$1,430Lufthansa
Wed, Jun 10 - Tue, Jun 16
Lufthansa Logo
6:41 pm - 10:15 pm
MCI
-
TRS
20h 34m
2 stops
Lufthansa Logo
2:50 pm - 5:36 pm
TRS
-
MCI
33h 46m
2 stops
$1,485Lufthansa
Thu, May 28 - Mon, Jun 1
Lufthansa Logo
3:30 pm - 1:45 pm
STL
-
TRS
15h 15m
1 stop
Lufthansa Logo
6:20 am - 1:25 pm
TRS
-
STL
14h 05m
1 stop
$1,503Lufthansa
Tue, Jun 23 - Tue, Jun 30
Multiple Airlines Logo
8:40 am - 2:30 pm
STL
-
TRS
22h 50m
3 stops
Multiple Airlines Logo
7:15 pm - 1:25 pm
TRS
-
STL
25h 10m
2 stops
$1,575Multiple Airlines
Wed, Jun 10 - Tue, Jun 16
United Airlines Logo
1:03 pm - 10:25 am
MCI
-
TRS
14h 22m
2 stops
United Airlines Logo
6:35 am - 5:36 pm
TRS
-
MCI
18h 01m
2 stops
$1,703United Airlines
Thu, Jul 16 - Sat, Jul 25

United Airlines flights from Missouri to Trieste

Our best United Airlines deals on Missouri to Trieste flight tickets
United Airlines
Jul 25
MCI6:41 pmKansas City
32h 44m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Aug 5
TRS6:35 amTrieste Ronchi dei Legionari
18h 01m
2 stops
MCI5:36 pmKansas City
$1,224
United Airlines
Jul 16
MCI1:03 pmKansas City
14h 22m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Jul 25
TRS6:35 amTrieste Ronchi dei Legionari
18h 01m
2 stops
MCI5:36 pmKansas City
$1,703
United Airlines
Jun 8
STL1:13 pmLambert-St Louis
14h 02m
2 stops
TRS10:15 amTrieste Ronchi dei Legionari
Jun 14
TRS6:35 amTrieste Ronchi dei Legionari
20h 50m
2 stops
STL8:25 pmLambert-St Louis
$1,736

Lufthansa flights from Missouri to Trieste

Our best Lufthansa deals on Missouri to Trieste flight tickets
Lufthansa
Jul 3
MCI1:03 pmKansas City
25h 52m
2 stops
TRS9:55 pmTrieste Ronchi dei Legionari
Aug 7
TRS6:10 amTrieste Ronchi dei Legionari
18h 26m
2 stops
MCI5:36 pmKansas City
$1,234
Lufthansa
Jun 23
STL1:13 pmLambert-St Louis
17h 32m
2 stops
TRS1:45 pmTrieste Ronchi dei Legionari
Jun 30
TRS6:20 amTrieste Ronchi dei Legionari
14h 05m
1 stop
STL1:25 pmLambert-St Louis
$1,300
Lufthansa
Jun 23
STL12:23 pmLambert-St Louis
18h 22m
2 stops
TRS1:45 pmTrieste Ronchi dei Legionari
Jun 30
TRS6:20 amTrieste Ronchi dei Legionari
16h 26m
2 stops
STL3:46 pmLambert-St Louis
$1,310

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 May 13, 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

Cheapest round-trip

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Sat 7/25

6:41 pm-10:25 am

2 stops32h 44m

Trieste Ronchi dei Legionari

Wed 8/5

6:35 am-5:36 pm

2 stops18h 01m

$1,224

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 7/3

1:03 pm-9:55 pm

2 stops25h 52m

Trieste Ronchi dei Legionari

Fri 8/7

6:10 am-5:36 pm

2 stops18h 26m

$1,234

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Tue 6/23

1:13 pm-1:45 pm

2 stops17h 32m

Trieste Ronchi dei Legionari

Tue 6/30

6:20 am-1:25 pm

1 stop14h 05m

$1,300

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Tue 6/23

12:23 pm-1:45 pm

2 stops18h 22m

Trieste Ronchi dei Legionari

Tue 6/30

6:20 am-3:46 pm

2 stops16h 26m

$1,310

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 6/10

1:13 pm-10:25 pm

2 stops26h 12m

Trieste Ronchi dei Legionari

Tue 6/16

6:20 am-1:25 pm

1 stop14h 05m

$1,420

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 6/10

1:13 pm-10:25 pm

2 stops26h 12m

Trieste Ronchi dei Legionari

Tue 6/16

6:20 am-3:46 pm

2 stops16h 26m

$1,430

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Thu 5/28

6:41 pm-10:15 pm

2 stops20h 34m

Trieste Ronchi dei Legionari

Mon 6/1

2:50 pm-5:36 pm

2 stops33h 46m

$1,485
Quickest round-trip

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Tue 6/23

3:30 pm-1:45 pm

1 stop15h 15m

Trieste Ronchi dei Legionari

Tue 6/30

6:20 am-1:25 pm

1 stop14h 05m

$1,503

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Wed 6/10

8:40 am-2:30 pm

3 stops22h 50m

Trieste Ronchi dei Legionari

Tue 6/16

7:15 pm-1:25 pm

2 stops25h 10m

$1,575

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Thu 7/16

1:03 pm-10:25 am

2 stops14h 22m

Trieste Ronchi dei Legionari

Sat 7/25

6:35 am-5:36 pm

2 stops18h 01m

$1,703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Trieste from Missouri according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 6 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

26h 12m

Direct flights

None
The fastest flight from Missouri to Trieste takes 26h 12m
There are no direct flights from Missouri to Trieste. There are no popular flight routes from Missouri to Trieste.
Search flight deals

Frequently asked questions about flying from Missouri to Trieste

  • 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.

An easier way to manage your Trieste 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/12
Fri 6/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Italy

Fly your favorite airline to Trieste

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