What airlines fly to Trieste?

Turkish Airlines, Lufthansa and United Airlines are the top three most popular airlines that fly to Trieste from Illinois according to our data. Turkish Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Trieste. Keep in mind that there are 14 different airlines that fly to Trieste on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Trieste?

Average flight duration from Illinois to Trieste depends on which airport you fly into and out of. Flying from Moline to Venice Marco Polo Airport is 14h 05m on average, while flying from Chicago to Venice Marco Polo Airport is 14h 15m on average. Venice Marco Polo Airport is the most popular airport in Trieste.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

$892 Cheap Flights from Illinois to Trieste in 2025/26

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Cheap round-trip flights

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9:00 am - 10:25 amORD-TRS

18h 25m2 stops

7:15 pm - 8:23 pmTRS-ORD

31h 08m2 stops

$892ITA Airways

Find Deal

Thu, Oct 23 - Thu, Oct 30

1:30 pm - 2:05 pmSTL-TRS

17h 35m2 stops

2:40 pm - 5:39 pmTRS-STL

32h 59m2 stops

$929Multiple Airlines

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Tue, Oct 14 - Wed, Oct 29

4:00 pm - 2:05 pmORD-TRS

15h 05m1 stop

6:05 am - 9:05 pmTRS-ORD

21h 00m1 stop

$942Lufthansa

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Thu, Oct 23 - Thu, Oct 30

9:40 pm - 10:25 pmORD-TRS

17h 45m2 stops

6:05 am - 2:10 pmTRS-ORD

14h 05m1 stop

$975Lufthansa

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Thu, Oct 23 - Thu, Oct 30

9:34 am - 2:30 pmMDW-TRS

21h 56m2 stops

3:15 pm - 6:08 pmTRS-MDW

33h 53m2 stops

$983KLM

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Thu, Nov 13 - Mon, Nov 17

8:50 am - 10:25 amORD-TRS

18h 35m2 stops

3:15 pm - 5:07 pmTRS-ORD

32h 52m2 stops

$1,100ITA Airways

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Tue, Oct 14 - Fri, Oct 17

8:20 pm - 2:30 pmORD-TRS

35h 10m2 stops

11:15 am - 6:25 pmTRS-ORD

38h 10m2 stops

$1,179Turkish Airlines

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Fri, Nov 7 - Fri, Nov 14

11:50 am - 2:30 pmORD-TRS

19h 40m2 stops

6:35 am - 10:05 amTRS-ORD

34h 30m2 stops

$1,202Turkish Airlines

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Sat, Nov 22 - Wed, Nov 26

3:45 pm - 10:25 amORD-TRS

11h 40m1 stop

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$1,666United Airlines

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Fri, Nov 14 - Fri, Nov 21

3:45 pm - 10:25 amORD-TRS

11h 40m1 stop

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$1,807United Airlines

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Fri, Nov 7 - Fri, Nov 14

Emirates flights from Illinois to Trieste

Our best Emirates deals on Illinois to Trieste flight tickets

Emirates

Jan 30

ORD7:45 pmChicago O'Hare Intl

44h 10m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

Feb 8

TRS3:15 pmTrieste Ronchi dei Legionari

30h 40m

2 stops

ORD2:55 pmChicago O'Hare Intl

$1,725

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Emirates

Nov 14

ORD7:45 pmChicago O'Hare Intl

63h 45m

2 stops

TRS6:30 pmTrieste Ronchi dei Legionari

Nov 21

TRS11:15 amTrieste Ronchi dei Legionari

34h 40m

2 stops

ORD2:55 pmChicago O'Hare Intl

$2,078

Find similar

Emirates

Oct 12

ORD8:35 pmChicago O'Hare Intl

43h 20m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

Oct 15

TRS11:15 amTrieste Ronchi dei Legionari

59h 30m

2 stops

ORD3:45 pmChicago O'Hare Intl

$2,464

Find similar

Turkish Airlines flights from Illinois to Trieste

Our best Turkish Airlines deals on Illinois to Trieste flight tickets

Turkish Airlines

Nov 7

ORD8:20 pmChicago O'Hare Intl

35h 10m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 14

TRS11:15 amTrieste Ronchi dei Legionari

38h 10m

2 stops

ORD6:25 pmChicago O'Hare Intl

$1,179

Find similar

Turkish Airlines

Nov 22

ORD11:50 amChicago O'Hare Intl

19h 40m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Nov 26

TRS6:35 amTrieste Ronchi dei Legionari

34h 30m

2 stops

ORD10:05 amChicago O'Hare Intl

$1,202

Find similar

Turkish Airlines

Oct 11

ORD11:25 amChicago O'Hare Intl

20h 05m

2 stops

TRS2:30 pmTrieste Ronchi dei Legionari

Oct 19

TRS3:15 pmTrieste Ronchi dei Legionari

49h 25m

2 stops

ORD9:40 amChicago O'Hare Intl

$1,221

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 10/23

9:00 am-10:25 am

2 stops18h 25m

Trieste Ronchi dei Legionari

Thu 10/30

7:15 pm-8:23 pm

2 stops31h 08m

$892

St. LouisTrieste

STL - TRS

STLTRS

Lambert-St Louis

Tue 10/14

1:30 pm-2:05 pm

2 stops17h 35m

Trieste Ronchi dei Legionari

Wed 10/29

2:40 pm-5:39 pm

2 stops32h 59m

$929

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 10/23

4:00 pm-2:05 pm

1 stop15h 05m

Trieste Ronchi dei Legionari

Thu 10/30

6:05 am-9:05 pm

1 stop21h 00m

$942

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Thu 10/23

9:40 pm-10:25 pm

2 stops17h 45m

Trieste Ronchi dei Legionari

Thu 10/30

6:05 am-2:10 pm

1 stop14h 05m

$975

ChicagoTrieste

MDW - TRS

MDWTRS

Chicago Midway

Thu 11/13

9:34 am-2:30 pm

2 stops21h 56m

Trieste Ronchi dei Legionari

Mon 11/17

3:15 pm-6:08 pm

2 stops33h 53m

$983

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 10/14

8:50 am-10:25 am

2 stops18h 35m

Trieste Ronchi dei Legionari

Fri 10/17

3:15 pm-5:07 pm

2 stops32h 52m

$1,100

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 11/7

8:20 pm-2:30 pm

2 stops35h 10m

Trieste Ronchi dei Legionari

Fri 11/14

11:15 am-6:25 pm

2 stops38h 10m

$1,179

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sat 11/22

11:50 am-2:30 pm

2 stops19h 40m

Trieste Ronchi dei Legionari

Wed 11/26

6:35 am-10:05 am

2 stops34h 30m

$1,202

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 11/14

3:45 pm-10:25 am

1 stop11h 40m

Trieste Ronchi dei Legionari

Fri 11/21

6:35 am-1:10 pm

1 stop13h 35m

$1,666

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 11/7

3:45 pm-10:25 am

1 stop11h 40m

Trieste Ronchi dei Legionari

Fri 11/14

6:35 am-1:10 pm

1 stop13h 35m

$1,807

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How to get the cheapest flight ticket from Illinois 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

Prices

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Other information

What is the cheapest day to depart on your flight to Trieste?

The cheapest day to depart on your flight to Trieste is on a Thursday when prices can be found for as low as $915. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to Trieste on a Saturday will generally be more expensive and average around $1,563. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Can stopping save me money on Illinois to Trieste flights?

You could potentially save up to 62% on your flight if you consider stops on a Illinois to Trieste flight.

Cheap Illinois to Trieste flight deals and tips

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

Direct flights	None

There are no direct flights from Illinois to Trieste. There are no popular flight routes from Illinois to Trieste.

Search flight deals

When did momondo last update prices for flights from Illinois to Trieste Ronchi dei Legionari Airport?
Prices for flights from Illinois to Trieste Ronchi dei Legionari Airport are updated daily.
How old do you have to be to fly from Illinois to Trieste Ronchi dei Legionari Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Trieste for you.

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

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

How can momondo help me find flights from Illinois 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 Illinois to Trieste.

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

If you are not ready to book a flight from Illinois to Trieste now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Trieste and let you know when they change.

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Cheap flights from Illinois to Trieste from $892

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Trieste departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Find the cheapest flights from Illinois to Trieste

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Emirates flights from Illinois to Trieste

Our best Emirates deals on Illinois to Trieste flight tickets

Turkish Airlines flights from Illinois to Trieste

Our best Turkish Airlines deals on Illinois to Trieste flight tickets

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How to get the cheapest flight ticket from Illinois 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 day to depart on your flight to Trieste?

Can stopping save me money on Illinois to Trieste flights?

You could potentially save up to 62% on your flight if you consider stops on a Illinois to Trieste flight.

What airlines fly to Trieste?

How long does it take to fly to Trieste?

Cheap Illinois to Trieste flight deals and tips

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

Direct flights

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

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

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

Traveling to a place near Trieste?

Why use momondo?

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

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

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

I’m not ready to book a flight from Illinois to Trieste right now. Can momondo alert me if 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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