$590+ Cheap flights from Illinois to Iaşi (IAS)
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAS
Aug 7 — Aug 141
1 adult, Economy
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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
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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 Illinois to Iaşi
Keep the following information in mind while searching for Illinois to Iaşi flight deals. Data was last updated August 2, 2025.
Round-trip from | $590 (Austrian Airlines) |
|---|
Find flight deals from Illinois to Iaşi
Cheapest flights from Illinois to IaşiExplore the most affordable flight options available from Illinois to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.
Explore the most affordable flight options available from Illinois to Iaşi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.
This Austrian Airlines deal was found by Cheapflights users on 8/1. 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 8/1![Austrian Airlines logo]()
$590
This Lufthansa deal was found by Cheapflights users on 7/31. 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 7/31![Lufthansa logo]()
$634
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois 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 2, 2025.
Use the filters below to find and compare flights from Illinois to Iaşi that are best for you.
Fly from
Illinois
Fly to
Iaşi
Route
Depart
Return
Price
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
$590
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
$634
Best time to book a flight from Illinois to Iaşi
Have a flexible travel schedule? Discover the best time to fly to Iaşi from Illinois 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 Illinois 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 2, 2025.
See what other customers who have flown with Austrian Airlines and Lufthansa from Illinois to Iaşi have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Boarding
7.6
Food
6.8
Crew
8.1
Overall
7.6
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentDominik,Jun 2025
VIE - VNO
Comfort
7.3
Boarding
7.6
Food
6.8
Crew
8.1
Overall
7.6
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentDominik,Jun 2025
VIE - VNO
Comfort
7.3
Boarding
7.6
Food
6.8
Crew
8.1
Overall
7.6
Entertainment
6.8
Reviews
1 / 20
10.0
ExcellentDominik,Jun 2025
VIE - VNO
Related info for your journey
Find useful and relevant information for your journey from Illinois to Iaşi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to Iaşi
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Illinois to Iaşi
Discover the top airline that operate flights from Illinois 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 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$892 | FlexibilityNo cancel fee | On-time78% |