How does KAYAK find such low prices on flights from Illinois to Trieste?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Trieste. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trieste?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Trieste?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trieste with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trieste?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Cheap Flights from Illinois to Trieste from $663

TRS

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In the last 7 days travelers have searched 42,369,914 times on KAYAK, and here is why:

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Cheapest flight	$663

Flight from Chicago to Trieste

How does KAYAK find such low prices on flights from Illinois to Trieste?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Trieste.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trieste?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Trieste from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Trieste?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Trieste with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trieste?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Trieste from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Nonstop departures

Illinois to Trieste Ronchi dei Legionari

Monday

AccesRail, Aerolineas Argentinas, Aeromexico, +24 more

AccesRail, Aerolineas Argentinas, +25 more

Tuesday

AccesRail, Aerolineas Argentinas, Aeromexico, +22 more

AccesRail, Aerolineas Argentinas, +23 more

Wednesday

AccesRail, Aerolineas Argentinas, Aeromexico, +24 more

AccesRail, Aerolineas Argentinas, +25 more

Thursday

AccesRail, Aerolineas Argentinas, Aeromexico, +23 more

AccesRail, Aerolineas Argentinas, +24 more

Friday

AccesRail, Aerolineas Argentinas, Aeromexico, +25 more

AccesRail, Aerolineas Argentinas, +26 more

Saturday

AccesRail, Aerolineas Argentinas, Aeromexico, +23 more

AccesRail, Aerolineas Argentinas, +24 more

Sunday

AccesRail, Aerolineas Argentinas, Aeromexico, +26 more

AccesRail, Aerolineas Argentinas, +27 more

See more direct flights

Nonstop returns

Trieste Ronchi dei Legionari to Illinois

Monday

AccesRail, Aerolineas Argentinas, Aeromexico, +24 more

AccesRail, Aerolineas Argentinas, +25 more

Tuesday

AccesRail, Aerolineas Argentinas, Aeromexico, +22 more

AccesRail, Aerolineas Argentinas, +23 more

Wednesday

AccesRail, Aerolineas Argentinas, Aeromexico, +24 more

AccesRail, Aerolineas Argentinas, +25 more

Thursday

AccesRail, Aerolineas Argentinas, Aeromexico, +23 more

AccesRail, Aerolineas Argentinas, +24 more

Friday

AccesRail, Aerolineas Argentinas, Aeromexico, +25 more

AccesRail, Aerolineas Argentinas, +26 more

Saturday

AccesRail, Aerolineas Argentinas, Aeromexico, +23 more

AccesRail, Aerolineas Argentinas, +24 more

Sunday

AccesRail, Aerolineas Argentinas, Aeromexico, +26 more

AccesRail, Aerolineas Argentinas, +27 more

See more direct flights

Book cheap flights from Illinois to Trieste

Recent round-trip flight deals

9/15Sun

1 stopITA Airways

12h 25mORD-TRS

9/24Tue

1 stopITA Airways

13h 30mTRS-ORD

$776

9/15Sun

2 stopsTAP AIR PORTUGAL

45h 50mORD-TRS

9/24Tue

2 stopsTAP AIR PORTUGAL

31h 55mTRS-ORD

$789

9/15Sun

2 stopsITA Airways

22h 50mORD-TRS

9/24Tue

1 stopITA Airways

13h 30mTRS-ORD

$796

9/7Sat

1 stopITA Airways

16h 25mORD-TRS

9/14Sat

1 stopITA Airways

13h 30mTRS-ORD

$816

9/17Tue

2 stopsDelta

17h 50mORD-TRS

9/24Tue

2 stopsDelta

23h 06mTRS-ORD

$1,009

9/17Tue

1 stopLufthansa

15h 15mORD-TRS

9/24Tue

1 stopLufthansa

20h 20mTRS-ORD

$1,058

9/17Tue

1 stopLufthansa

17h 00mORD-TRS

9/24Tue

2 stopsLufthansa

19h 00mTRS-ORD

$1,068

9/15Sun

3 stops

32h 20mORD-TRS

9/24Tue

2 stops

29h 25mTRS-ORD

$1,100

9/18Wed

2 stopsDelta

25h 25mORD-TRS

9/24Tue

2 stopsDelta

19h 11mTRS-ORD

$1,109

9/13Fri

2 stopsTurkish Airlines

34h 55mORD-TRS

9/24Tue

2 stopsTurkish Airlines

34h 00mTRS-ORD

$1,561

Recent one-way flight deals

9/13Fri

1 stopITA Airways

12h 25mORD-TRS

$663

9/13Fri

2 stopsITA Airways

46h 55mORD-TRS

$684

9/14Sat

3 stops

29h 10mORD-TRS

$689

5/25Sat

3 stops

38h 10mSTL-TRS

$809

8/2Fri

1 stopLufthansa

12h 40mORD-TRS

$1,117

8/2Fri

2 stopsLufthansa

15h 30mORD-TRS

$1,124

5/25Sat

2 stopsLufthansa

45h 59mSTL-TRS

$1,287

9/13Fri

3 stops

28h 28mORD-TRS

$1,781

Flights to Trieste

Destination:

Trieste (TRS)Italy

Return flight deals:

Trieste - Illinois

Cabin classes:

Browse origins:

Flights from Chicago O'Hare Intl Airport to Trieste

Browse destinations:

$748

Flights to Trieste, Trieste

TRS

Find cheap flights from Illinois to Trieste from $663

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Trieste departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

Search hundreds of travel sites at once for deals on flights to Trieste

Good to know

Cheapest flight

FAQs for booking flights from Illinois to Trieste

How does KAYAK find such low prices on flights from Illinois to Trieste?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Trieste?

What is the Hacker Fare option on flights from Illinois to Trieste?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Trieste?

Prefer to fly non-stop from Illinois to Trieste?

Illinois to Trieste Ronchi dei Legionari

Trieste Ronchi dei Legionari to Illinois

Book cheap flights from Illinois to Trieste

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Flights to Trieste

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