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Cheap flights from Trieste to Chicago from $552

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Trieste to Chicago departing on 7/19. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:35 am - 7:49 pm
TRS
-
ORD
20h 14m
2 stops
Multiple Airlines Logo
2:32 pm - 2:30 pm
ORD
-
TRS
16h 58m
2 stops
$715Multiple Airlines
wo, apr. 1 - zo, apr. 5
Lufthansa Logo
2:40 pm - 7:55 pm
TRS
-
ORD
12h 15m
1 stop
Lufthansa Logo
4:05 pm - 2:00 pm
ORD
-
TRS
14h 55m
1 stop
$734Lufthansa
wo, apr. 29 - wo, mei. 6
Multiple Airlines Logo
6:10 am - 3:48 pm
TRS
-
ORD
16h 38m
2 stops
Multiple Airlines Logo
4:05 pm - 2:00 pm
ORD
-
TRS
14h 55m
1 stop
$739Multiple Airlines
wo, apr. 29 - wo, mei. 6
ITA Airways Logo
6:35 am - 6:35 pm
TRS
-
ORD
18h 00m
2 stops
ITA Airways Logo
8:45 am - 2:30 pm
ORD
-
TRS
22h 45m
2 stops
$770ITA Airways
vr, mrt. 27 - di, mrt. 31
Multiple Airlines Logo
11:25 am - 9:40 am
TRS
-
ORD
29h 15m
2 stops
Multiple Airlines Logo
11:25 am - 4:00 pm
ORD
-
TRS
21h 35m
2 stops
$771Multiple Airlines
ma, mrt. 30 - vr, apr. 3
Multiple Airlines Logo
6:10 am - 3:15 pm
TRS
-
ORD
16h 05m
2 stops
Multiple Airlines Logo
3:50 pm - 2:00 pm
ORD
-
TRS
15h 10m
2 stops
$791Multiple Airlines
wo, apr. 29 - wo, mei. 6
Lufthansa Logo
6:10 am - 11:00 am
TRS
-
ORD
11h 50m
1 stop
Lufthansa Logo
9:40 pm - 10:15 pm
ORD
-
TRS
17h 35m
2 stops
$798Lufthansa
wo, apr. 1 - zo, apr. 5
Multiple Airlines Logo
6:10 am - 6:15 pm
TRS
-
ORD
19h 05m
3 stops
Multiple Airlines Logo
7:25 pm - 8:45 pm
ORD
-
TRS
18h 20m
2 stops
$866Multiple Airlines
wo, apr. 29 - wo, mei. 6
Multiple Airlines Logo
6:10 am - 6:15 pm
TRS
-
ORD
19h 05m
3 stops
Multiple Airlines Logo
7:25 pm - 10:25 pm
ORD
-
TRS
20h 00m
3 stops
$898Multiple Airlines
wo, apr. 29 - wo, mei. 6
Lufthansa Logo
6:10 am - 12:55 pm
TRS
-
ORD
13h 45m
1 stop
Lufthansa Logo
4:05 pm - 1:55 pm
ORD
-
TRS
14h 50m
1 stop
$1,010Lufthansa
ma, mrt. 30 - vr, apr. 3

Lufthansa flights from Trieste to Chicago

Our best Lufthansa deals on Trieste to Chicago flight tickets
Lufthansa
Apr 29
TRS2:40 pmTrieste Ronchi dei Legionari
12h 15m
1 stop
ORD7:55 pmChicago O'Hare Intl
May 6
ORD4:05 pmChicago O'Hare Intl
14h 55m
1 stop
TRS2:00 pmTrieste Ronchi dei Legionari
$734
Lufthansa
Apr 1
TRS6:10 amTrieste Ronchi dei Legionari
11h 50m
1 stop
ORD11:00 amChicago O'Hare Intl
Apr 5
ORD9:40 pmChicago O'Hare Intl
17h 35m
2 stops
TRS10:15 pmTrieste Ronchi dei Legionari
$798
Lufthansa
Mar 30
TRS6:10 amTrieste Ronchi dei Legionari
13h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
Apr 3
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
TRS1:55 pmTrieste Ronchi dei Legionari
$1,010

TAP AIR PORTUGAL flights from Trieste to Chicago

Our best TAP AIR PORTUGAL deals on Trieste to Chicago flight tickets
TAP AIR PORTUGAL
Apr 16
TRS3:15 pmTrieste Ronchi dei Legionari
31h 45m
2 stops
ORD4:00 pmChicago O'Hare Intl
Apr 19
ORD6:00 pmChicago O'Hare Intl
41h 30m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
$1,084
TAP AIR PORTUGAL
Apr 16
TRS3:15 pmTrieste Ronchi dei Legionari
31h 45m
2 stops
ORD4:00 pmChicago O'Hare Intl
Apr 19
ORD6:00 pmChicago O'Hare Intl
41h 30m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
$1,088
TAP AIR PORTUGAL
Apr 16
TRS3:15 pmTrieste Ronchi dei Legionari
31h 45m
2 stops
ORD4:00 pmChicago O'Hare Intl
Apr 19
ORD6:00 pmChicago O'Hare Intl
41h 30m
2 stops
TRS6:30 pmTrieste Ronchi dei Legionari
$1,090

momondo Fare Finder

 
Customize your flight search to find flights from Trieste to Chicago 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 maart 17, 2026.
Use the filters below to find and compare flights from Trieste to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/1

6:35 am-7:49 pm

2 stops20h 14m

Chicago O'Hare Intl

zo 4/5

2:32 pm-2:30 pm

2 stops16h 58m

$715
Quickest round-trip

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/29

2:40 pm-7:55 pm

1 stop12h 15m

Chicago O'Hare Intl

wo 5/6

4:05 pm-2:00 pm

1 stop14h 55m

$734

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/29

6:10 am-3:48 pm

2 stops16h 38m

Chicago O'Hare Intl

wo 5/6

4:05 pm-2:00 pm

1 stop14h 55m

$739

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

vr 3/27

6:35 am-6:35 pm

2 stops18h 00m

Chicago O'Hare Intl

di 3/31

8:45 am-2:30 pm

2 stops22h 45m

$770

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

ma 3/30

11:25 am-9:40 am

2 stops29h 15m

Chicago O'Hare Intl

vr 4/3

11:25 am-4:00 pm

2 stops21h 35m

$771

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/29

6:10 am-3:15 pm

2 stops16h 05m

Chicago O'Hare Intl

wo 5/6

3:50 pm-2:00 pm

2 stops15h 10m

$791

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/1

6:10 am-11:00 am

1 stop11h 50m

Chicago O'Hare Intl

zo 4/5

9:40 pm-10:15 pm

2 stops17h 35m

$798

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/29

6:10 am-6:15 pm

3 stops19h 05m

Chicago O'Hare Intl

wo 5/6

7:25 pm-8:45 pm

2 stops18h 20m

$866

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

wo 4/29

6:10 am-6:15 pm

3 stops19h 05m

Chicago O'Hare Intl

wo 5/6

7:25 pm-10:25 pm

3 stops20h 00m

$898

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

ma 3/30

6:10 am-12:55 pm

1 stop13h 45m

Chicago O'Hare Intl

vr 4/3

4:05 pm-1:55 pm

1 stop14h 50m

$1,010

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Trieste to Chicago

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 Trieste Ronchi dei Legionari to Chicago?

ITA Airways, TAP AIR PORTUGAL, and United Airlines are the most popular carriers operating from Trieste Ronchi dei Legionari to Chicago

What airlines fly to Chicago?

United Airlines, Iberia and Lufthansa are the top three most popular airlines that fly to Chicago from Trieste according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 4 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

When to book flights from Trieste to Chicago

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

Cheap Trieste to Chicago (TRS to CHI) flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Trieste to Chicago takes 15h 55m
There are no direct flights from Trieste to Chicago. There are no popular flight routes from Trieste to Chicago.
Search flight deals

  • How far is Trieste Ronchi dei Legionari to Chicago by plane?

    A flight from Trieste Ronchi dei Legionari to Chicago will travel around 4695.7 mi. By plane, this route typically takes 15h 55m.

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

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

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

    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 Trieste Ronchi dei Legionari Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Valparaiso
Schererville
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

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

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

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

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

Once all potential Trieste to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport