$601+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IAS
Jan 8 — Jan 151
1 adult, Economy
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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
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 December 9, 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 December 9, 2025.
This Gurufare deal was found by Cheapflights users on 12/8. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:05 pmORD - IAS
2 stops18h 15mMultiple Airlines
Mon 12/294:05 pmIAS - ORD
2 stops29h 05mMultiple Airlines
Deal found 12/8![Multiple Airlines logo]()
$1,777
This Gurufare deal was found by Cheapflights users on 12/7. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:20 pmORD - IAS
1 stop15h 00mAustrian Airlines
Mon 12/294:05 pmIAS - ORD
2 stops28h 05mAustrian Airlines
Deal found 12/7![Austrian Airlines logo]()
$2,483
This oojo deal was found by Cheapflights users on 12/7. 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 stops19h 10mMultiple Airlines
Sat 2/282:10 pmIAS - ORD
2 stops36h 15mMultiple Airlines
Deal found 12/7![Multiple Airlines logo]()
$2,619
Find flight deals from Illinois to Iaşi
Keep the following information in mind while searching for Illinois to Iaşi flight deals. Data was last updated December 9, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $601 (Expedia) |
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 December 9, 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 1/21
5:50 pm-3:20 pm
2 stops37h 30m
Iasi
Wed 1/28
4:05 pm-1:25 pm
2 stops29h 20m
$601
ChicagoIaşi
ORD - IAS
ORDIAS
Chicago O'Hare Intl
Thu 4/2
4:20 pm-3:20 pm
1 stop15h 00m
Iasi
Tue 6/23
4:00 pm-12:55 pm
2 stops28h 55m
$903
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
$940
ChicagoIaşi
ORD - IAS
ORDIAS
Chicago O'Hare Intl
Sat 5/9
4:20 pm-1:20 am
1 stop25h 00m
Iasi
Mon 5/18
4:00 pm-1:20 pm
1 stop29h 20m
$944
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
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Related info for your journey
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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 December 9, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$613 | Average$819 | FlexibilityNo cancel fee | On-time78% |