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$502+ Cheap flights from O'Hare Intl (ORD) 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Iaşi

Cheapest flights from O'Hare Intl to Iaşi
Explore the most affordable flight options available from O'Hare Intl to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:20 pmORD - IAS
2 stops28h 40mMultiple Airlines
Sat 2/282:10 pmIAS - ORD
2 stops27h 55mMultiple Airlines
Deal found 12/15$1,923
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:45 pmORD - IAS
2 stops17h 45mMultiple Airlines
Sun 1/185:25 amIAS - ORD
2 stops16h 25mMultiple Airlines
Deal found 12/15$2,669

Find flight deals from O'Hare Intl to Iaşi

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(FlightHub)

One-way from

$502
(Lufthansa)
Provider with most accurate pricing for Chicago O'Hare Intl-Iasi flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Iasi flights.
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From Chicago O'Hare Intl to Iasi
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One-way flight from Chicago O'Hare Intl to Iasi
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 December 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Iaşi that are best for you.

Fly from

O'Hare Intl

Fly to

Iaşi

Route

Depart

Return

Price

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Tue 4/21

6:40 pm-1:20 am

2 stops46h 40m

Iasi

Thu 4/30

4:00 pm-1:20 pm

1 stop29h 20m

$579

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Tue 4/21

9:40 pm-3:20 pm

2 stops33h 40m

Iasi

Thu 4/30

4:00 pm-12:30 pm

2 stops28h 30m

$653

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 1/3

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Fri 1/9

4:05 pm-11:00 am

2 stops50h 55m

$798

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 1/31

4:38 pm-10:55 pm

3 stops22h 17m

Iasi

Sat 2/7

3:30 pm-2:45 pm

2 stops31h 15m

$819

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Thu 1/29

8:20 pm-7:25 pm

2 stops39h 05m

Iasi

Thu 2/5

9:25 am-6:25 pm

2 stops41h 00m

$839

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Tue 4/21

8:50 pm-9:10 pm

1 stop16h 20m

Iasi

Sat 4/25

8:40 am-9:15 pm

2 stops20h 35m

$884

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Sat 5/9

11:25 am-1:25 pm

2 stops18h 00m

Iasi

Mon 5/18

9:25 am-9:40 am

2 stops32h 15m

$941

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/24

3:20 pm-3:20 pm

2 stops16h 00m

$502

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/24

4:20 pm-5:00 pm

3 stops40h 40m

$617

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/24

4:20 pm-3:20 pm

1 stop15h 00m

$727

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 12 results
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Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Iaşi in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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-Iaşi flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Iaşi flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Iaşi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Iaşi

Have a flexible travel schedule? Discover the best time to fly to Iaşi 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.

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 December 18, 2025.
See what other customers who have flown with Austrian Airlines from Chicago O'Hare Intl Airport to Iaşi have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
879 reviews

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!
Austrian Airlines
7.6
Good
879 reviews
Austrian Airlines
7.6
Good
879 reviews

Crew

8.1

Food

6.8

Overall

7.6

Comfort

7.3

Boarding

7.6

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andra,Aug 2025

LHR - LAX

Flight was very good, few minutes delayed, but good flight. We both are satisfied, thank you!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl?

    Iasi (IAS), located 1.3 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Iaşi. 1 airline have flights to Iasi from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Iasi should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Iaşi?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Iaşi in 33h 40m. Fly via Austrian Airlines or Lufthansa to get the fastest option. The distance between Chicago O'Hare Intl Airport and Iaşi is about 5121 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What is the cheapest airline to fly from Chicago O'Hare Intl Airport to Iaşi round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport 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 O'Hare Intl to Iaşi that include hotel bookings?

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

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

    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 Iaşi.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 O'Hare Intl to Iaşi

Discover the top airline that operate flights from O'Hare Intl 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$613Average$819FlexibilityNo cancel feeOn-time78%

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