HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$620+ Cheap flights from Trieste (TRS) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — ORD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trieste to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Trieste to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Find flight deals from Trieste to Illinois

Cheapest flights from Trieste to Illinois
Explore the most affordable flight options available from Trieste to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Lufthansa deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/66:20 amTRS - ORD
1 stop20h 45mLufthansa
Tue 12/105:50 pmORD - TRS
2 stops21h 55mLufthansa
Deal found 11/21$620
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/63:15 pmTRS - ORD
2 stops26h 35mMultiple Airlines
Tue 12/104:00 pmORD - TRS
3 stops23h 55mMultiple Airlines
Deal found 11/21$934
This Expedia deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/97:30 pmTRS - ORD
2 stops33h 26mITA Airways
Sun 12/157:00 amORD - TRS
2 stops20h 25mITA Airways
Deal found 11/21$1,551
This Expedia deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:35 amTRS - ORD
2 stops18h 01mKLM
Sun 12/1511:59 amORD - TRS
2 stops19h 31mKLM
Deal found 11/21$3,963

Find flights from Trieste to Illinois within your budget

Customize your flight search to find flights from Trieste to Illinois 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, Cheapflights users made 2,612,795 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 12/6

6:20 am-8:05 pm

1 stop20h 45m

Chicago O'Hare Intl

Tue 12/10

5:50 pm-10:45 pm

2 stops21h 55m

$620

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Fri 12/6

3:15 pm-10:50 am

2 stops26h 35m

Chicago O'Hare Intl

Tue 12/10

4:00 pm-10:55 pm

3 stops23h 55m

$934

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 3/5

6:35 am-9:28 pm

2 stops21h 53m

Chicago O'Hare Intl

Wed 3/19

11:00 am-2:30 pm

2 stops21h 30m

$1,314

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 12/9

6:35 am-5:36 pm

2 stops18h 01m

Chicago O'Hare Intl

Sun 12/15

11:59 am-2:30 pm

2 stops19h 31m

$3,963

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Best time to book a flight from Trieste to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Trieste to Illinois

Get recent, data-driven insights about flights from Trieste to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Trieste to Illinois?

Currently, September is the cheapest month in which you can book a flight from Trieste to Illinois (average of $232). Flying from Trieste to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated November 21, 2024.
KLM
7.8
Good
1,349 reviews

Comfort

7.7

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews

Comfort

7.7

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Lufthansa
6.8
Okay
7,143 reviews
KLM
7.8
Good
1,349 reviews

Comfort

7.7

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

ITA Airways
6.6
Okay
896 reviews
KLM
7.8
Good
1,349 reviews

Comfort

7.7

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Food

7.3

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to Illinois?

    Trieste Ronchi dei Legionari (TRS), located 18.2 mi from the city center, is the airport you fly out of when you book flights from Trieste to Illinois.

  • Can I find deals for flights from Trieste to Illinois that include hotel bookings?

    Yes. In addition to deals on Trieste to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Illinois.

  • Can I find deals for business class flights from Trieste to Illinois?

    Yes. Cheapflights offers flight deals from Trieste to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Trieste to Illinois (average of $232). Flying from Trieste to Illinois in June is currently the most expensive (average of $308). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trieste to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Vicenza to John F Kennedy Intl flights
Vicenza to Newark flights
Vicenza to LaGuardia flights
Vicenza to Los Angeles flights
Vicenza to Miami flights
Vicenza to San Francisco flights
Vicenza to O'Hare Intl flights
Vicenza to Hobby flights
Vicenza to Stewart flights
Vicenza to Midway flights
Vicenza to Philadelphia flights
Vicenza to Dulles Intl flights
Vicenza to Dallas/Fort Worth flights
Vicenza to Boston flights
Vicenza to Las Vegas flights
Vicenza to Santa Ana flights
Vicenza to Atlanta flights
Vicenza to San Jose flights
Vicenza to Baltimore flights
Vicenza to Sky Harbor Intl flights
Vicenza to Reagan-National flights
Vicenza to San Diego flights
Vicenza to Orlando flights
Vicenza to George Bush Intcntl flights
Vicenza to San Antonio flights
Trieste to John F Kennedy Intl flights
Vicenza to Ontario flights
Trieste to Newark flights
Vicenza to Denver flights
Vicenza to Tampa flights
Vicenza to Columbus flights
Vicenza to Fort Lauderdale flights
Vicenza to Honolulu flights
Vicenza to Pittsburgh flights
Trieste to Miami flights
Vicenza to Wichita flights
Vicenza to Fort Myers flights
Trieste to San Francisco flights
Vicenza to Raleigh flights
Vicenza to Greenville flights
Vicenza to Cincinnati flights
Vicenza to Colorado Springs flights
Vicenza to Detroit flights
Trieste to Los Angeles flights
Vicenza to Charlotte flights
Vicenza to Seattle flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines