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>

$772 CHEAP FLIGHTS from Illinois to Trieste

TRS

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

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Cheapest round-trip

$772

Lufthansa

Wed 12/3Sun 12/7

STL - TRS • 2 stops

Cheapest one-way

$1,107

United Airlines

Fri 2/6

ORD - TRS • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Trieste!

Flight Deals

Cheap Flights from Illinois to Trieste

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Trieste that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Illinois to Trieste

Wed, Dec 3 - Sun, Dec 7

12:55 pm - 2:05 pmSTL-TRS

18h 10m2 stops

3:00 pm - 7:13 pmTRS-STL

35h 13m2 stops

$772Lufthansa

Find Deal

Tue, Dec 30 - Tue, Jan 6

3:20 pm - 2:00 pmORD-TRS

15h 40m1 stop

7:15 pm - 4:20 pmTRS-ORD

52h 05m2 stops

$950Multiple Airlines

Find Deal

Tue, Dec 30 - Tue, Jan 6

9:50 pm - 6:30 pmORD-TRS

37h 40m2 stops

7:15 pm - 4:20 pmTRS-ORD

52h 05m2 stops

$954Multiple Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

12:48 pm - 6:30 pmMDW-TRS

22h 42m2 stops

3:15 pm - 10:22 pmTRS-MDW

38h 07m2 stops

$967KLM

Find Deal

Tue, Dec 30 - Tue, Jan 6

6:25 pm - 2:00 pmORD-TRS

12h 35m1 stop

2:40 pm - 3:20 pmTRS-ORD

31h 40m1 stop

$994Lufthansa

Find Deal

Sun, Apr 5 - Wed, Apr 8

3:00 pm - 10:55 pmORD-TRS

24h 55m1 stop

6:35 am - 1:10 pmTRS-ORD

13h 35m1 stop

$1,226ITA Airways

Find Deal

Sun, Apr 5 - Wed, Apr 8

9:20 am - 10:55 pmORD-TRS

30h 35m2 stops

6:35 am - 6:25 pmTRS-ORD

18h 50m2 stops

$1,241ITA Airways

Find Deal

Sun, Apr 5 - Wed, Apr 8

11:25 am - 2:30 pmORD-TRS

20h 05m2 stops

11:15 am - 9:40 amTRS-ORD

53h 25m2 stops

$1,249Turkish Airlines

Find Deal

Tue, Dec 30 - Tue, Jan 6

12:45 pm - 6:30 pmMDW-TRS

22h 45m2 stops

6:35 am - 5:34 pmTRS-MDW

17h 59m2 stops

$2,156KLM

Find Deal

Mon, Dec 15 - Mon, Dec 22

1:00 pm - 10:25 amSTL-TRS

14h 25m2 stops

6:35 am - 3:29 pmTRS-STL

39h 54m2 stops

$2,247United Airlines

Find Deal

Useful Info

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.

Udine

Grado

Everything you need to know for your flight to Trieste

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Trieste

Trieste (TRS)

TRS

$772 Find Cheap Flights from Illinois to Trieste

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

Everything you should know

Cheap Flights from Illinois to Trieste

Recent round-trip flight deals from Illinois to Trieste

Recent one-way flight deals from Illinois to Trieste

FAQs for booking flights from Illinois 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.

Traveling to a place near Trieste?

Everything you need to know for your flight to Trieste

Information on the airport you'll fly into in Trieste

Cabin class types available on flights to Illinois

Complete your trip to Trieste with a hotel stay or car rental

Find direct flights for Trieste

Flights to other popular destinations

Flights from domestic origins to Trieste

Choose which airport to fly into in Trieste

Find deals for your return flight