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Trieste

$431+ Cheap flights from O'Hare Intl (ORD) to Trieste (TRS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TRS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Trieste

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Trieste (TRS). 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$834
(FlightHub)

One-way from

$542
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$871
Provider with most accurate pricing for Chicago O'Hare Intl-Trieste Ronchi dei Legionari flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Trieste Ronchi dei Legionari flights.
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From Chicago O'Hare Intl to Trieste Ronchi dei Legionari
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One-way flight from Chicago O'Hare Intl to Trieste Ronchi dei Legionari
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Highest demand for flights based on searches. 20% potential increase in price ($276 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Trieste

Cheapest flights from O'Hare Intl to Trieste
Explore the most affordable flight options available from O'Hare Intl to Trieste. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:50 pmORD - TRS
2 stops39h 45mTurkish Airlines
Tue 9/3011:15 amTRS - ORD
2 stops29h 25mTurkish Airlines
Deal found 4/29$834
This Gurufare deal was found by Cheapflights users on 4/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:10 amORD - TRS
2 stops20h 15mITA Airways
Mon 5/53:15 pmTRS - ORD
2 stops37h 40mITA Airways
Deal found 4/27$1,053
This Gurufare deal was found by Cheapflights users on 4/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:30 pmORD - TRS
1 stop17h 05mLufthansa
Tue 9/306:30 amTRS - ORD
1 stop13h 25mLufthansa
Deal found 4/29$1,060
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/46:00 pmORD - TRS
2 stops37h 30mTAP AIR PORTUGAL
Sun 7/1311:15 amTRS - ORD
2 stops36h 25mTAP AIR PORTUGAL
Deal found 4/29$1,138
This Mytrip deal was found by Cheapflights users on 4/29. 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 6/136:00 amORD - TRS
3 stops33h 55mMultiple Airlines
Fri 6/201:00 pmTRS - ORD
3 stops24h 37mMultiple Airlines
Deal found 4/29$1,147
This Gurufare deal was found by Cheapflights users on 4/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/47:25 pmORD - TRS
2 stops16h 05mIcelandair
Wed 6/2511:15 amTRS - ORD
2 stops17h 00mIcelandair
Deal found 4/28$1,480
This Austrian Airlines deal was found by Cheapflights users on 4/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/134:20 pmORD - TRS
2 stops47h 35mAustrian Airlines
Fri 6/206:35 amTRS - ORD
2 stops37h 45mAustrian Airlines
Deal found 4/29$1,858

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Trieste 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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Trieste that are best for you.

Fly from

O'Hare Intl

Fly to

Trieste

Route

Depart

Return

Price

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/23

7:50 pm-6:35 pm

2 stops39h 45m

Trieste Ronchi dei Legionari

Tue 9/30

11:15 am-9:40 am

2 stops29h 25m

$834

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 9/23

10:30 pm-10:35 pm

1 stop17h 05m

Trieste Ronchi dei Legionari

Tue 9/30

6:30 am-12:55 pm

1 stop13h 25m

$1,060

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 7/4

6:00 pm-2:30 pm

2 stops37h 30m

Trieste Ronchi dei Legionari

Sun 7/13

11:15 am-4:40 pm

2 stops36h 25m

$1,138

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 6/13

6:00 am-10:55 pm

3 stops33h 55m

Trieste Ronchi dei Legionari

Fri 6/20

1:00 pm-6:37 am

3 stops24h 37m

$1,147

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 7/4

3:00 pm-10:25 am

1 stop12h 25m

Trieste Ronchi dei Legionari

Sun 7/13

6:35 am-1:10 pm

1 stop13h 35m

$1,246

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Wed 6/4

7:25 pm-6:30 pm

2 stops16h 05m

Trieste Ronchi dei Legionari

Wed 6/25

11:15 am-9:15 pm

2 stops17h 00m

$1,480

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Fri 6/13

4:20 pm-10:55 pm

2 stops47h 35m

Trieste Ronchi dei Legionari

Fri 6/20

6:35 am-1:20 pm

2 stops37h 45m

$1,858

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Sun 6/22

5:15 am-10:40 am

2 stops46h 25m

$431

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 7/1

7:00 am-2:25 pm

2 stops24h 25m

$542

ChicagoTrieste

ORD - TRS

ORDTRS

Chicago O'Hare Intl

Tue 7/1

4:00 pm-2:05 pm

1 stop15h 05m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 12 results
1
2

Compare providers for flights from O'Hare Intl to Trieste

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Trieste in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Trieste flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Trieste flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Trieste flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Trieste flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Trieste flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Trieste

Have a flexible travel schedule? Discover the best time to fly to Trieste from O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Trieste

Rainfall in Trieste by month

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

In terms of precipitation, rainfall in Trieste ranges from 2.4 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. February is typically the driest time to visit Trieste when rainfall is around 2.4 in.

Temperature in Trieste by month

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

If weather is an important factor for your trip to Trieste, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Trieste

Get insights into the airlines that provide service to Trieste. 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 Trieste. Reviews last updated April 30, 2025.
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Turkish Airlines
7.3
Good
3,788 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
TAP AIR PORTUGAL
7.1
Good
1,850 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
ITA Airways
6.7
Okay
967 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
7,044 reviews
Austrian Airlines
7.6
Good
780 reviews

Comfort

7.3

Crew

8.1

Entertainment

6.7

Overall

7.6

Boarding

7.6

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Trieste. 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 into for flights to Trieste from Chicago O'Hare Intl?

    Most people fly into Trieste Ronchi dei Legionari (TRS) if they book a flight to Trieste from Chicago O'Hare Intl. On average, Ronchi dei Legionari has 0 inbound flights from Chicago O'Hare Intl per day from 1 airline. Trieste Ronchi dei Legionari is conveniently located just 18.2 mi from Trieste’s city center.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Trieste round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Trieste is Turkish Airlines. Our recent data shows that you can find tickets from as low as $834 on this airline. Additional options worth looking into are Lufthansa and TAP AIR PORTUGAL, starting at $1,060 and $1,138 round-trip. Turkish Airlines is 23% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Trieste one-way?

    One-way options have recently been found by users for as low as $542 on ITA Airways. Other airlines that offer cheap prices include Lufthansa from $749 and TAP AIR PORTUGAL from $1,039 one-way.

  • Can I find deals for flights from O'Hare Intl to Trieste that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Trieste flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Trieste?

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

  • Can I find deals for business class flights from O'Hare Intl to Trieste?

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

See more FAQs

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Top airline flying from O'Hare Intl to Trieste

Discover the top airline that operate flights from O'Hare Intl to Trieste. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ITA AirwaysCheapest$540Average$1,064FlexibilityNo cancel feeOn-time81%

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