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Iaşi

$475+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IAS
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
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 August 21, 2025.

Round-trip from

$590
(Booking.com)

One-way from

$475
(SmartFares)
From Chicago (CHI) to Iasi
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One-way flight 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 August 21, 2025.

This Booking.com deal was found by Cheapflights users on 8/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:20 pmORD - IAS
1 stop15h 00mAustrian Airlines
Sun 11/234:05 pmIAS - ORD
1 stop29h 55mAustrian Airlines
Deal found 8/20$590
This Austrian Airlines deal was found by Cheapflights users on 8/20. 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 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 8/20$591
This Trip.com deal was found by Cheapflights users on 8/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:15 pmORD - IAS
2 stops20h 15mMultiple Airlines
Thu 11/203:25 pmIAS - ORD
2 stops31h 50mMultiple Airlines
Deal found 8/20$606
This Lufthansa deal was found by Cheapflights users on 8/21. 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.
Wed 12/34:20 pmORD - IAS
2 stops39h 00mLufthansa
Sun 12/74:05 pmIAS - ORD
2 stops36h 00mLufthansa
Deal found 8/21$635
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:55 pmORD - IAS
2 stops18h 25mAustrian Airlines
Fri 10/245:20 amIAS - ORD
1 stop16h 00mAustrian Airlines
Deal found 8/21$646
This CrystalTravel deal was found by Cheapflights users on 8/21. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:55 pmORD - IAS
2 stops18h 25mMultiple Airlines
Fri 10/245:20 amIAS - ORD
2 stops15h 35mMultiple Airlines
Deal found 8/21$685

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 August 21, 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

Sat 11/8

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Sun 11/23

4:05 pm-2:00 pm

1 stop29h 55m

$590

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 11/8

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Sun 11/23

4:05 pm-7:30 pm

2 stops35h 25m

$591

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

$591

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Fri 11/7

8:15 pm-12:30 am

2 stops20h 15m

Iasi

Thu 11/20

3:25 pm-3:15 pm

2 stops31h 50m

$606

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/3

4:20 pm-3:20 pm

2 stops39h 00m

Iasi

Sun 12/7

4:05 pm-8:05 pm

2 stops36h 00m

$635

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 10/8

12:55 pm-3:20 pm

2 stops18h 25m

Iasi

Fri 10/24

5:20 am-1:20 pm

1 stop16h 00m

$646

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 11/8

4:20 pm-3:20 pm

1 stop15h 00m

$475

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 11/8

12:50 pm-3:20 pm

2 stops18h 30m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

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 August 21, 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
832 reviews

Overall

7.6

Crew

8.1

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me
Austrian Airlines
7.6
Good
832 reviews
Austrian Airlines
7.6
Good
832 reviews

Overall

7.6

Crew

8.1

Comfort

7.3

Entertainment

6.8

Boarding

7.6

Food

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

VIE - RHO

They went by offering coffee and didn’t even asked me totally ignored me

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. Austrian Airlines provides one of the quickest options available for as low as $590. 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$613Average$830FlexibilityNo cancel feeOn-time78%

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