HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iaşi

$363+ Cheap flights from Chicago (CHI) to Iaşi (IAS)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IAS
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Iaşi 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 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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$572
(KAYAK)

One-way from

$363
(Mytrip)
Provider with most accurate pricing for Chicago (CHI)-Iasi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Iasi flights.
Search Deals
From Chicago (CHI) to Iasi
Search Deals
One-way flight from Chicago (CHI) to Iasi
Search Deals

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 October 20, 2025.

This KAYAK deal was found by Cheapflights users on 10/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:20 pmORD - IAS
1 stop15h 00mAustrian Airlines
Sun 1/114:05 pmIAS - ORD
2 stops34h 32mAustrian Airlines
Deal found 10/18$572
This KAYAK deal was found by Cheapflights users on 10/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:50 pmORD - IAS
2 stops33h 30mLufthansa
Sun 1/114:05 pmIAS - ORD
2 stops34h 20mLufthansa
Deal found 10/18$588
This Lufthansa deal was found by Cheapflights users on 10/17. 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 12/310:35 pmORD - IAS
2 stops32h 45mLufthansa
Sun 12/74:05 pmIAS - ORD
2 stops29h 05mLufthansa
Deal found 10/17$592
This Austrian Airlines deal was found by Cheapflights users on 10/19. 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 10/19$651
This Mytrip deal was found by Cheapflights users on 10/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:00 amORD - IAS
3 stops26h 15mMultiple Airlines
Tue 12/95:25 amIAS - ORD
2 stops21h 00mMultiple Airlines
Deal found 10/18$771
This Lufthansa deal was found by Cheapflights users on 10/19. 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.
Sun 11/24:20 pmORD - IAS
2 stops15h 00mLufthansa
Thu 11/64:05 pmIAS - ORD
2 stops36h 00mLufthansa
Deal found 10/19$1,861

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 October 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 12/10

9:50 pm-3:20 pm

2 stops33h 30m

Iasi

Sun 1/11

4:05 pm-6:25 pm

2 stops34h 20m

$588

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/3

10:35 pm-3:20 pm

2 stops32h 45m

Iasi

Sun 12/7

4:05 pm-1:10 pm

2 stops29h 05m

$592

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

$651

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Tue 12/2

10:00 am-8:15 pm

3 stops26h 15m

Iasi

Tue 12/9

5:25 am-6:25 pm

2 stops21h 00m

$771

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Thu 11/13

8:28 am-5:50 pm

3 stops25h 22m

$369

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 11/12

7:10 pm-12:35 am

2 stops21h 25m

$401

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 11/10

2:31 pm-12:35 am

3 stops26h 04m

$439

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 11/12

4:20 pm-3:20 pm

1 stop15h 00m

$482

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 11/10

9:50 pm-3:20 pm

2 stops33h 30m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

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 October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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-Iaşi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Iaşi flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 October 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
860 reviews

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

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
860 reviews
Austrian Airlines
7.6
Good
860 reviews

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Entertainment

6.8

Crew

8.1

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 15h. Lufthansa provides one of the quickest options available for as low as $651. Chicago and Iaşi are separated by a distance of 5121 mi. This flight may include one or multiple stops.

  • 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

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.

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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$613Average$830FlexibilityNo cancel feeOn-time78%

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.