HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Iaşi

$370+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAS
Sep 8 — Sep 151
Tue 9/8
Tue 9/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl 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 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 August 9, 2026.

This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:20 pm -
1 stop15h 00m
Wed 9/164:00 pm -
1 stop29h 20m
Deal found 8/6$958
This Expedia deal was found by Cheapflights users on 8/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:20 pm -
2 stops15h 00m
Mon 11/164:05 pm -
2 stops34h 50m
Deal found 8/5$969
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:20 pm -
1 stop15h 00m
Wed 9/164:00 pm -
2 stops28h 55m
Deal found 8/6$980
This oojo deal was found by Cheapflights users on 8/8. 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.
Mon 9/79:40 pm -
2 stops19h 40m
Wed 9/165:20 am -
2 stops15h 35m
Deal found 8/8$983

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 August 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$958
(Gotogate)

One-way from

$370
(Kiwi.com)
Provider with most accurate pricing for Chicago O'Hare Intl-Iasi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Iasi flights.
Search Deals
From Chicago O'Hare Intl to Iasi
Search Deals
One-way flight from Chicago O'Hare Intl to Iasi
Search Deals

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 August 9, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Iaşi that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 9/7

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Wed 9/16

4:00 pm-1:20 pm

1 stop29h 20m

$958

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 9/7

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Wed 9/16

4:00 pm-12:55 pm

2 stops28h 55m

$980
Quickest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 9/7

9:40 pm-1:20 am

2 stops19h 40m

Iasi

Wed 9/16

5:20 am-12:55 pm

2 stops15h 35m

$983

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Sun 11/1

3:55 pm-2:25 am

2 stops26h 30m

Iasi

Mon 11/16

2:25 pm-2:55 pm

1 stop32h 30m

$1,018
Cheapest one-way

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Tue 9/1

7:25 pm-11:40 am

3 stops56h 15m

$370
Quickest one-way

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Tue 10/6

7:25 pm-11:10 am

3 stops31h 45m

$383

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 8/31

10:25 pm-6:00 pm

3 stops35h 35m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/4

Sorted by cheapest first

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Iaşi flight deals on Cheapflights vs. FlightHub >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 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 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 August 9, 2026.
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
949 reviews

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.
Austrian Airlines
7.6
Good
949 reviews
Austrian Airlines
7.6
Good
949 reviews

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Nate,Dec 2025

IAD - GSP

Again, I missed this flight because of the first leg of my journey being delayed by three hours. I hope the people on the flight had a nice flight.

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 15h. 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 $608 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

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.

Alternative routes for O'Hare Intl to Iaşi

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Otopeni Intl flights
O'Hare Intl to Timisoara flights
O'Hare Intl to Oradea flights

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 August 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$608Average$809FlexibilityNo 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.
Site
©2026 Cheapflights