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>

$428 Cheap Flights from Illinois to Trieste

TRS

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In the last 7 days travelers have searched 42,686,544 times on KAYAK, and here is why:

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Cheapest flight	$428

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

9/14Sat

2 stopsTAP AIR PORTUGAL

37h 25mORD-TRS

9/30Mon

2 stopsTAP AIR PORTUGAL

59h 55mTRS-ORD

$773

9/14Sat

1 stopITA Airways

16h 25mORD-TRS

9/30Mon

1 stopITA Airways

13h 30mTRS-ORD

$1,004

9/14Sat

2 stopsITA Airways

22h 55mORD-TRS

9/30Mon

1 stopITA Airways

13h 30mTRS-ORD

$1,024

6/13Thu

2 stopsTAP AIR PORTUGAL

35h 30mORD-TRS

6/24Mon

2 stopsTAP AIR PORTUGAL

55h 55mTRS-ORD

$1,032

6/12Wed

3 stops

31h 50mORD-TRS

6/24Mon

3 stops

32h 50mTRS-ORD

$1,389

6/12Wed

3 stops

31h 50mORD-TRS

6/24Mon

2 stops

55h 55mTRS-ORD

$1,489

6/13Thu

1 stopLufthansa

20h 55mORD-TRS

6/24Mon

1 stopLufthansa

15h 25mTRS-ORD

$1,517

7/28Sun

2 stopsLufthansa

15h 25mORD-TRS

8/4Sun

2 stopsLufthansa

16h 25mTRS-ORD

$1,716

7/30Tue

2 stopsTurkish Airlines

20h 00mORD-TRS

8/5Mon

2 stopsTurkish Airlines

29h 25mTRS-ORD

$1,952

7/28Sun

2 stopsTurkish Airlines

19h 20mORD-TRS

8/1Thu

2 stopsTurkish Airlines

25h 25mTRS-ORD

$2,117

Recent one-way flight deals

9/13Fri

2 stops

28h 31mORD-TRS

$428

9/14Sat

2 stops

28h 31mORD-TRS

$478

9/14Sat

3 stops

39h 00mORD-TRS

$551

9/14Sat

1 stopITA Airways

12h 25mORD-TRS

$641

9/13Fri

3 stops

52h 53mORD-TRS

$649

9/13Fri

3 stops

52h 53mORD-TRS

$650

9/14Sat

2 stopsTAP AIR PORTUGAL

45h 50mORD-TRS

$657

9/13Fri

2 stopsITA Airways

46h 55mORD-TRS

$661

9/14Sat

3 stops

29h 10mORD-TRS

$663

9/14Sat

3 stops

29h 10mORD-TRS

$664

Last minute flights from Illinois to Trieste

Last minute flight, train and bus deals

6/1Sat

multi-stop

16h 05mORD-TRS

6/29Sat

multi-stop

17h 00mTRS-ORD

$2,282

6/1Sat

multi-stopITA Airways

22h 55mORD-TRS

6/29Sat

multi-stopITA Airways

24h 55mTRS-ORD

$2,401

6/1Sat

multi-stop

15h 15mORD-TRS

6/29Sat

multi-stop

13h 20mTRS-ORD

$2,420

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:

$708

Flights to Trieste, Trieste

TRS

$428 Find cheap flights from Illinois to Trieste

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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Last minute flights from Illinois to Trieste

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Flights to Trieste

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