HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$762+ Cheap flights from Iaşi (IAS) to Illinois

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAS — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Iaşi to Illinois 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 Iaşi to Illinois

Keep the following information in mind while searching for Iaşi to Illinois flight deals. Data was last updated March 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$762
(Austrian Airlines)
Provider with most accurate pricing for Iasi-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Iasi-Chicago (CHI) flights.
Search Deals
From Iasi to Illinois
Search Deals

Find flight deals from Iaşi to Illinois

Cheapest flights from Iaşi to Illinois
Explore the most affordable flight options available from Iaşi to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Austrian Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 9/154:00 pmIAS - ORD
1 stop29h 20mAustrian Airlines
Mon 9/294:20 pmORD - IAS
1 stop25h 00mAustrian Airlines
Deal found 3/27$762
This Lufthansa deal was found by Cheapflights users on 3/27. 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.
Mon 9/154:00 pmIAS - ORD
2 stops28h 30mLufthansa
Mon 9/296:00 pmORD - IAS
2 stops23h 20mLufthansa
Deal found 3/27$814
This KAYAK deal was found by Cheapflights users on 3/26. 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 6/254:00 pmIAS - ORD
1 stop29h 20mMultiple Airlines
Thu 10/210:30 pmORD - IAS
2 stops32h 50mMultiple Airlines
Deal found 3/26$869
This Air France deal was found by Cheapflights users on 3/27. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:25 amIAS - ORD
2 stops17h 35mAir France
Tue 4/155:10 pmORD - IAS
2 stops22h 20mAir France
Deal found 3/27$1,076

Cheapflights Fare Finder

Customize your flight search to find flights from Iaşi to Illinois 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 March 28, 2025.
Use the filters below to find and compare flights from Iaşi to Illinois that are best for you.

Fly from

Iaşi

Fly to

Illinois

Route

Depart

Return

Price

IaşiChicago

IAS - ORD

IASORD

Iasi

Mon 9/15

4:00 pm-1:20 pm

1 stop29h 20m

Chicago O'Hare Intl

Mon 9/29

4:20 pm-1:20 am

1 stop25h 00m

$762

IaşiChicago

IAS - ORD

IASORD

Iasi

Mon 9/15

4:00 pm-12:30 pm

2 stops28h 30m

Chicago O'Hare Intl

Mon 9/29

6:00 pm-1:20 am

2 stops23h 20m

$814

IaşiChicago

IAS - ORD

IASORD

Iasi

Wed 6/25

4:00 pm-1:20 pm

1 stop29h 20m

Chicago O'Hare Intl

Thu 10/2

10:30 pm-3:20 pm

2 stops32h 50m

$869

IaşiChicago

IAS - ORD

IASORD

Iasi

Fri 4/11

5:25 am-3:00 pm

2 stops17h 35m

Chicago O'Hare Intl

Tue 4/15

5:10 pm-11:30 pm

2 stops22h 20m

$1,076

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Iaşi to Illinois

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated March 28, 2025.
Austrian Airlines
7.5
Good
769 reviews

Entertainment

6.7

Overall

7.5

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.5
Good
769 reviews
Austrian Airlines
7.5
Good
769 reviews

Entertainment

6.7

Overall

7.5

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air France
7.4
Good
1,424 reviews
Austrian Airlines
7.5
Good
769 reviews

Entertainment

6.7

Overall

7.5

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,955 reviews
Austrian Airlines
7.5
Good
769 reviews

Entertainment

6.7

Overall

7.5

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

Related info for your journey

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

    Located just 1.3 mi from the city center, Iasi (IAS) is the airport most travelers will use when flying to Illinois from Iaşi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Iaşi to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Iaşi to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Iaşi to Illinois (average of $245). Flying from Iaşi to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Iaşi to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to John F Kennedy Intl flights
Otopeni Intl to Newark flights
Otopeni Intl to LaGuardia flights
Otopeni Intl to Seattle flights
Otopeni Intl to O'Hare Intl flights
Otopeni Intl to Los Angeles flights
Otopeni Intl to Miami flights
Otopeni Intl to Dulles Intl flights
Otopeni Intl to Baltimore flights
Otopeni Intl to San Francisco flights
Otopeni Intl to Reagan-National flights
Cluj Napoca to John F Kennedy Intl flights
Cluj Napoca to Newark flights
Otopeni Intl to Boston flights
Cluj Napoca to O'Hare Intl flights
Otopeni Intl to Detroit flights
Otopeni Intl to Fort Lauderdale flights
Otopeni Intl to Atlanta flights
Otopeni Intl to Orlando flights
Otopeni Intl to Oakland flights
Otopeni Intl to Dallas/Fort Worth flights
Timisoara to San Francisco flights
Otopeni Intl to San Jose flights
Cluj Napoca to San Francisco flights
Otopeni Intl to Las Vegas flights
Otopeni Intl to Honolulu flights
Otopeni Intl to Santa Ana flights
Otopeni Intl to West Palm Beach flights
Cluj Napoca to Boston flights
Otopeni Intl to Philadelphia flights
Otopeni Intl to Portland flights
Cluj Napoca to Los Angeles flights
Cluj Napoca to Atlanta flights
Otopeni Intl to Denver flights
Iaşi to O'Hare Intl flights
Cluj Napoca to Dulles Intl flights
Cluj Napoca to Minneapolis flights
Cluj Napoca to Miami flights
Otopeni Intl to Salt Lake City flights
Timisoara to Los Angeles flights
Cluj Napoca to Honolulu flights
Sibiu to John F Kennedy Intl flights
Otopeni Intl to Charlotte flights
Cluj Napoca to Salt Lake City flights

Top airline flying from Iaşi to Illinois

Discover the top airline that operate flights from Iaşi to Illinois. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$485Average$845FlexibilityNo 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.