How do I get Price Alerts for flights from Chicago to Iaşi?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago from Iaşi . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Chicago to Iaşi with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

When did momondo last update prices for flights from Chicago to Iasi Airport?

Prices for flights from Chicago to Iasi Airport refresh daily.

How many operators does momondo search for flights from Chicago to Iasi Airport?

The number of operators available for flights from Chicago to Iasi Airport is 1 as of September 2026.

How old do you have to be to fly from Chicago to Iasi Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Iasi Airport.

What documentation or ID do you need to fly to Iasi Airport?

The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$665 Cheap Flights from Chicago to Iaşi in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Iaşi

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 pm - 10:10 pmORD Chicago O'Hare Intl-IAS Iasi

19h 10m2 stops Lisbon Humberto Delgado Barcelona-El Prat

2:40 pm - 3:30 pmIAS Iasi-ORD Chicago O'Hare Intl

32h 50m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$665Multiple Airlines

Wed, Nov 4 - Tue, Nov 17

1:55 pm - 10:10 pmORD Chicago O'Hare Intl-IAS Iasi

24h 15m3 stops Montreal Pierre Elliott Trudeau Intl Munich Franz Josef Strauss Barcelona-El Prat

2:40 pm - 3:30 pmIAS Iasi-ORD Chicago O'Hare Intl

32h 50m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$891Multiple Airlines

Wed, Nov 4 - Tue, Nov 17

11:05 am - 1:20 amORD Chicago O'Hare Intl-IAS Iasi

30h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

4:05 pm - 2:10 pmIAS Iasi-ORD Chicago O'Hare Intl

29h 05m2 stops Vienna Intl Frankfurt am Main

$905Multiple Airlines

Mon, Oct 19 - Mon, Oct 26

3:55 pm - 9:10 pmORD Chicago O'Hare Intl-IAS Iasi

21h 15m1 stop Dublin

2:40 pm - 3:30 pmIAS Iasi-ORD Chicago O'Hare Intl

32h 50m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$908Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

3:40 pm - 1:20 amORD Chicago O'Hare Intl-IAS Iasi

49h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

4:00 pm - 8:12 pmIAS Iasi-ORD Chicago O'Hare Intl

36h 12m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl

$911Multiple Airlines

Sun, Oct 11 - Mon, Oct 19

6:30 pm - 12:50 amORD Chicago O'Hare Intl-IAS Iasi

22h 20m2 stops Reykjavik Keflavik Intl Rome Fiumicino

2:25 pm - 2:55 pmIAS Iasi-ORD Chicago O'Hare Intl

32h 30m1 stop Madrid Barajas

$915Multiple Airlines

Thu, Nov 5 - Mon, Nov 16

8:05 pm - 9:10 pmORD Chicago O'Hare Intl-IAS Iasi

17h 05m1 stop Dublin

2:40 pm - 3:30 pmIAS Iasi-ORD Chicago O'Hare Intl

32h 50m2 stops Barcelona-El Prat Lisbon Humberto Delgado

$918Multiple Airlines

Tue, Nov 3 - Sat, Nov 14

6:30 pm - 9:00 amORD Chicago O'Hare Intl-IAS Iasi

30h 30m3 stops Reykjavik Keflavik Intl Paris Charles de Gaulle Bucharest Otopeni Intl

8:55 pm - 5:20 pmIAS Iasi-ORD Chicago O'Hare Intl

28h 25m3 stops Bucharest Otopeni Intl Paris Charles de Gaulle Reykjavik Keflavik Intl

$928Multiple Airlines

Wed, Nov 4 - Tue, Nov 17

1:30 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

17h 50m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:05 pm - 6:54 pmIAS Iasi-ORD Chicago O'Hare Intl

34h 49m2 stops Vienna Intl Washington, D.C. Dulles Intl

$968Austrian Airlines

Wed, Nov 4 - Mon, Nov 16

1:30 pm - 3:20 pmORD Chicago O'Hare Intl-IAS Iasi

17h 50m2 stops Washington, D.C. Dulles Intl Vienna Intl

4:05 pm - 6:54 pmIAS Iasi-ORD Chicago O'Hare Intl

34h 49m2 stops Vienna Intl Washington, D.C. Dulles Intl

$968Austrian Airlines

Tue, Nov 3 - Mon, Nov 16

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Austrian Airlines flights from Chicago to Iaşi

Our best Austrian Airlines deals on Chicago to Iaşi flight tickets

Austrian Airlines

Nov 3

ORD1:30 pmChicago O'Hare Intl

17h 50m

2 stops

IAS3:20 pmIasi

Nov 16

IAS4:05 pmIasi

34h 49m

2 stops

ORD6:54 pmChicago O'Hare Intl

$968

Austrian Airlines

Nov 4

ORD4:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

Nov 16

IAS4:05 pmIasi

34h 49m

2 stops

ORD6:54 pmChicago O'Hare Intl

$969

Austrian Airlines

Oct 11

ORD4:20 pmChicago O'Hare Intl

15h 00m

1 stop

IAS3:20 pmIasi

Oct 19

IAS4:00 pmIasi

29h 20m

1 stop

ORD1:20 pmChicago O'Hare Intl

$970

Lufthansa flights from Chicago to Iaşi

Our best Lufthansa deals on Chicago to Iaşi flight tickets

Lufthansa

Nov 2

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Nov 16

IAS4:05 pmIasi

29h 05m

2 stops

ORD1:10 pmChicago O'Hare Intl

$994

Lufthansa

Nov 2

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Nov 13

IAS4:05 pmIasi

29h 05m

2 stops

ORD1:10 pmChicago O'Hare Intl

$1,044

Lufthansa

Nov 6

ORD9:50 pmChicago O'Hare Intl

33h 30m

2 stops

IAS3:20 pmIasi

Nov 15

IAS4:05 pmIasi

53h 05m

2 stops

ORD1:10 pmChicago O'Hare Intl

$1,064

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 11/4

7:00 pm-10:10 pm

2 stops19h 10m

Iasi

Tue 11/17

2:40 pm-3:30 pm

2 stops32h 50m

$665

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 11/4

1:55 pm-10:10 pm

3 stops24h 15m

Iasi

Tue 11/17

2:40 pm-3:30 pm

2 stops32h 50m

$891

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 10/19

11:05 am-1:20 am

2 stops30h 15m

Iasi

Mon 10/26

4:05 pm-2:10 pm

2 stops29h 05m

$905

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Tue 11/3

3:55 pm-9:10 pm

1 stop21h 15m

Iasi

Tue 11/17

2:40 pm-3:30 pm

2 stops32h 50m

$908

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Sun 10/11

3:40 pm-1:20 am

2 stops49h 40m

Iasi

Mon 10/19

4:00 pm-8:12 pm

2 stops36h 12m

$911

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Thu 11/5

6:30 pm-12:50 am

2 stops22h 20m

Iasi

Mon 11/16

2:25 pm-2:55 pm

1 stop32h 30m

$915

Quickest round-trip

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Tue 11/3

8:05 pm-9:10 pm

1 stop17h 05m

Iasi

Sat 11/14

2:40 pm-3:30 pm

2 stops32h 50m

$918

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 11/4

6:30 pm-9:00 am

3 stops30h 30m

Iasi

Tue 11/17

8:55 pm-5:20 pm

3 stops28h 25m

$928

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Wed 11/4

1:30 pm-3:20 pm

2 stops17h 50m

Iasi

Mon 11/16

4:05 pm-6:54 pm

2 stops34h 49m

$968

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Tue 11/3

1:30 pm-3:20 pm

2 stops17h 50m

Iasi

Mon 11/16

4:05 pm-6:54 pm

2 stops34h 49m

$968

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago to Iaşi

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Iaşi according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Iaşi (CHI to IAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Iaşi

Best Price Found	$665
Fastest flight time	19h 10m
Direct flights	None

The best flight deal from Chicago to Iaşi found on momondo in the last 72 hours is $665

The fastest flight from Chicago to Iaşi takes 19h 10m

There are no direct flights from Chicago to Iaşi. There are no popular flight routes from Chicago to Iaşi.

Search flight deals

Frequently asked questions about flying from Chicago to Iaşi

How far is Chicago to Iasi by plane?
The distance between Chicago and Iasi is about 5117.1 mi. A reasonable flight in good conditions will take 19h 10m.
When did momondo last update prices for flights from Chicago to Iasi Airport?
Prices for flights from Chicago to Iasi Airport refresh daily.
How many operators does momondo search for flights from Chicago to Iasi Airport?
The number of operators available for flights from Chicago to Iasi Airport is 1 as of September 2026.
How old do you have to be to fly from Chicago to Iasi Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Iasi Airport.
What documentation or ID do you need to fly to Iasi Airport?
The travel and health documents you'll need for your trip to Iasi Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iasi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Chicago to Iaşi?
Based on momondo bookings for flights between Chicago and Iaşi, the leading airline is Austrian Airlines, making up 100% of the total bookings.

Best airlines flying from Chicago to Iaşi

Compare and see reviews for airlines that fly from Chicago to Iaşi with momondo

Airline	Rating	Free Cancellation	Price
Austrian Airlines	PriceFrom $608	Free Cancellation	Rating 7.6 953 reviews		Search Austrian Airlines flights

Frequently asked questions about flying from Chicago to Iaşi

How do I get Price Alerts for flights from Chicago to Iaşi?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago from Iaşi. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Chicago to Iaşi with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Iaşi?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Iaşi for you.

Can I find flights from Chicago to Iaşi with flexible booking policies on momondo?

momondo does allow users to show only those flights to Iaşi from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Iaşi?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Iaşi.

I’m not ready to book a flight from Chicago to Iaşi right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Iaşi flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.