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Cheap flights from Kansas City to Trieste from $434

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Trieste departing on 5/18. 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 Kansas City 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
$1,324United Airlines
Mon, Mar 16 - Tue, Mar 31
United Airlines Logo
10:24 am - 10:25 am
MCI
-
TRS
17h 01m
2 stops
United Airlines Logo
6:35 am - 5:33 pm
TRS
-
MCI
17h 58m
2 stops
$1,802United Airlines
Wed, Feb 25 - Sun, Mar 1
United Airlines Logo
8:00 am - 10:25 am
MCI
-
TRS
20h 25m
2 stops
United Airlines Logo
6:35 am - 8:41 pm
TRS
-
MCI
20h 06m
2 stops
$1,815United Airlines
Thu, Mar 12 - Thu, Mar 19
United Airlines Logo
11:33 am - 10:25 am
MCI
-
TRS
16h 52m
2 stops
United Airlines Logo
6:35 am - 8:41 pm
TRS
-
MCI
20h 06m
2 stops
$2,198United Airlines
Fri, Mar 13 - Fri, Mar 20
United Airlines Logo
8:00 am - 10:25 am
MCI
-
TRS
19h 25m
2 stops
United Airlines Logo
6:35 am - 11:37 pm
TRS
-
MCI
24h 02m
2 stops
$2,200United Airlines
Fri, May 29 - Mon, Jun 1
United Airlines Logo
8:00 am - 10:25 am
MCI
-
TRS
19h 25m
2 stops
United Airlines Logo
6:35 am - 11:37 pm
TRS
-
MCI
24h 02m
2 stops
$2,440United Airlines
Fri, May 29 - Mon, Jun 1

United Airlines flights from Kansas City to Trieste

Our best United Airlines deals on Kansas City to Trieste flight tickets
United Airlines
Mar 16
MCI1:15 pmKansas City
15h 10m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 31
TRS6:35 amTrieste Ronchi dei Legionari
18h 03m
2 stops
MCI5:38 pmKansas City
$1,324
United Airlines
Feb 25
MCI10:24 amKansas City
17h 01m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 1
TRS6:35 amTrieste Ronchi dei Legionari
17h 58m
2 stops
MCI5:33 pmKansas City
$1,802
United Airlines
Mar 12
MCI8:00 amKansas City
20h 25m
2 stops
TRS10:25 amTrieste Ronchi dei Legionari
Mar 19
TRS6:35 amTrieste Ronchi dei Legionari
20h 06m
2 stops
MCI8:41 pmKansas City
$1,815

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City 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 January 28, 2026.
Use the filters below to find and compare flights from Kansas City to Trieste that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Mon 3/16

1:15 pm-10:25 am

2 stops15h 10m

Trieste Ronchi dei Legionari

Tue 3/31

6:35 am-5:38 pm

2 stops18h 03m

$1,324

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-5:33 pm

2 stops17h 58m

$1,802

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Thu 3/12

8:00 am-10:25 am

2 stops20h 25m

Trieste Ronchi dei Legionari

Thu 3/19

6:35 am-8:41 pm

2 stops20h 06m

$1,815

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 3/13

11:33 am-10:25 am

2 stops16h 52m

Trieste Ronchi dei Legionari

Fri 3/20

6:35 am-8:41 pm

2 stops20h 06m

$2,198

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 5/29

8:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Mon 6/1

6:35 am-11:37 pm

2 stops24h 02m

$2,200

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Fri 5/29

8:00 am-10:25 am

2 stops19h 25m

Trieste Ronchi dei Legionari

Mon 6/1

6:35 am-11:37 pm

2 stops24h 02m

$2,440

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Mon 5/18

7:00 am-2:25 pm

3 stops48h 25m

$434

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Tue 5/19

7:24 am-2:20 pm

3 stops47h 56m

$471

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Sun 5/17

7:24 am-9:15 am

3 stops42h 51m

$474

Kansas CityTrieste

MCI - TRS

MCITRS

Kansas City

Wed 5/20

7:00 am-12:50 pm

3 stops46h 50m

$485

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Trieste from

How to get the cheapest flight ticket from Kansas City 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 Kansas City to Trieste Ronchi dei Legionari?

Lufthansa is the most popular carrier operating from Kansas City to Trieste Ronchi dei Legionari

What airlines fly to Trieste?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Trieste from Kansas City according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 3 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

When to book flights from Kansas City to Trieste

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Trieste according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Trieste (MCI to TRS) flight deals and tips

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

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Kansas City to Trieste takes 15h 10m
There are no direct flights from Kansas City to Trieste. There are no popular flight routes from Kansas City to Trieste.
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  • How far is Kansas City to Trieste Ronchi dei Legionari by plane?

    A flight from Kansas City to Trieste Ronchi dei Legionari will travel around 5091.6 mi. In terms of flight time, this usually takes a little over 15h 10m.

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

    Prices for flights from Kansas City Airport to Trieste Ronchi dei Legionari Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kansas City Airport to Trieste Ronchi dei Legionari Airport.

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

    The required travel and health documents for your Trieste Ronchi dei Legionari Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trieste Ronchi dei Legionari Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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 Kansas City to Trieste?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kansas City to Trieste. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Kansas City to Trieste flights to just show those with flexible booking policies.

How can momondo help me find flights from Kansas City to Trieste?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Kansas City to Trieste.

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

Of course. momondo tracks the price of Kansas City to Trieste flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Trieste trip

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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
Delta
United Airlines