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Iaşi

$608+ Cheap flights from Chicago (CHI) to Iaşi (IAS)

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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IAS
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Chicago to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Iaşi (IAS). 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 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$608
(Lufthansa)
Provider with most accurate pricing for Chicago (CHI)-Iasi flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Iasi flights.
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From Chicago (CHI) to Iasi
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Find flight deals from Chicago to Iaşi

Cheapest flights from Chicago to Iaşi
Explore the most affordable flight options available from Chicago to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This Lufthansa deal was found by Cheapflights users on 11/17. 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.
Wed 12/39:50 pmORD - IAS
2 stops33h 30mLufthansa
Sun 12/74:05 pmIAS - ORD
2 stops36h 00mLufthansa
Deal found 11/17$608
This Austrian Airlines deal was found by Cheapflights users on 11/18. 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.
Wed 12/34:20 pmORD - IAS
1 stop15h 00mAustrian Airlines
Sun 12/74:05 pmIAS - ORD
1 stop29h 55mAustrian Airlines
Deal found 11/18$804
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Wed 12/104:20 pmORD - IAS
2 stops15h 00mLufthansa
Mon 12/294:05 pmIAS - ORD
2 stops53h 05mLufthansa
Deal found 11/20$1,086
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Wed 12/104:20 pmORD - IAS
1 stop15h 00mMultiple Airlines
Mon 12/294:05 pmIAS - ORD
2 stops53h 05mMultiple Airlines
Deal found 11/20$1,195

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Iaşi 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 November 20, 2025.
Use the filters below to find and compare flights from Chicago to Iaşi that are best for you.

Fly from

Chicago

Fly to

Iaşi

Route

Depart

Return

Price

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/3

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Sun 12/7

4:05 pm-3:20 pm

2 stops31h 15m

$608

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Thu 1/1

4:20 pm-3:20 pm

2 stops15h 00m

Iasi

Sun 1/18

4:05 pm-11:10 am

2 stops27h 05m

$696

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sun 1/4

10:35 pm-3:20 pm

2 stops56h 45m

Iasi

Sun 1/11

4:05 pm-1:10 pm

2 stops53h 05m

$726

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

10:30 pm-1:20 am

2 stops18h 50m

Iasi

Mon 5/18

4:00 pm-12:55 pm

2 stops28h 55m

$778

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/3

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Sun 12/7

4:05 pm-2:00 pm

1 stop29h 55m

$804

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

4:20 pm-1:20 am

1 stop25h 00m

Iasi

Mon 5/18

4:00 pm-12:55 pm

2 stops28h 55m

$903

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

4:20 pm-1:20 am

1 stop25h 00m

Iasi

Mon 5/18

4:00 pm-1:20 pm

1 stop29h 20m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Compare providers for flights from Chicago to Iaşi

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 Chicago to Iaşi in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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-Iaşi flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Iaşi flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Iaşi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Iaşi 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-Iaşi 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 Chicago to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi from Chicago 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 to Iaşi
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Iaşi

Get insights into the airlines that provide service to Iaşi. 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 Iaşi. Reviews last updated November 20, 2025.
Read through reviews of airlines operating flights from Chicago to Iaşi, such as Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
874 reviews

Overall

7.6

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
874 reviews
Austrian Airlines
7.6
Good
874 reviews

Overall

7.6

Entertainment

6.8

Boarding

7.6

Crew

8.1

Food

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Andrew,Sep 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Iaşi. 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 Iaşi from Chicago?

    For a flight from Chicago to Iaşi, you will be flying into Iasi. Iasi (IAS) is just 1.3 mi from the center of the city. Iasi is the only Iaşi airport and it handles 0 inbound flights from Chicago per day. 1 airline has flights to Iasi from Chicago on a regular basis.

  • How long is the flight from Chicago to Iaşi?

    A quick flight from Chicago to Iaşi can take about 33h 30m. Lufthansa provides one of the quickest options available for as low as $608. Chicago and Iaşi are separated by a distance of 5121 mi.

  • What is the cheapest airline to fly from Chicago to Iaşi round-trip?

    Our cheapest airline available from Chicago to Iaşi is Austrian Airlines. Our recent data shows that you can find tickets from as low as $613 on this airline.

  • Can I find deals for flights from Chicago to Iaşi that include hotel bookings?

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

  • How can I find direct flights from Chicago to Iaşi?

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

  • Can I find deals for business class flights from Chicago to Iaşi?

    Yes. Cheapflights offers flight deals from Chicago to Iaşi 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 Chicago to Iaşi

Discover the top airline that operate flights from Chicago to Iaşi. 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$613Average$892FlexibilityNo cancel feeOn-time78%

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