The cheapest times to fly from IAS to ORD are

  • January 8th to January 21st
  • February 26th to April 8th
  • April 30th to June 24th
  • October 1st to December 9th (except the week of November 26th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAS to ORD is mid May. Prices can be as high as $1559 for Saturday flights during mid July, or as low as $604 for Sunday flights around mid May.


When to Fly to Chicago

Flying from Iasi (IAS) to Chicago, IL (ORD) will usually cost between $638 to $1309 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $641. Due to high demand the most expensive time to fly is mid July, with an average price of $1338. Planning your trip to low-cost times can easily save you $697 on economy flights and even more on first-class flights. Generally, any price below $879 can be considered a good price for a round-trip IAS to ORD flight.

See below for a graph of average weekly prices for the IAS to ORD route. All prices are for round-trip tickets in USD.

IAS to ORD Flight Prices

Compared to other flights, the IAS to ORD flight is cheaper than the average and costs slightly more than the average flight leaving from Iași. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to ORD, and Monday the cheapest day to fly back into IAS. Saturdays are the most expensive days to fly to Chicago, and Tuesdays are the most expensive days to return to Iași. Selecting flights on the least expensive days could save you up to $328 (24%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $823. Return trip prices are from the ORD to IAS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAS to ORD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 12 minutes may not be realistic.


Flight Hacking IAS to ORD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAS to ORD — but Champion Traveler does!

Hack #1: Barcelona (IAS > BCN > ORD)

  • Price for both tickets: $677
  • Average savings: $202 (22.94%)

See IAS to TSR flights

Hack #2: Timisoara (IAS > TSR > ORD)

  • Price for both tickets: $712
  • Average savings: $167 (18.95%)

See IAS to BCN flights

Hack #3: Bologna (IAS > BLQ > ORD)

  • Price for both tickets: $716
  • Average savings: $163 (18.5%)

See IAS to BLQ flights


Flight Questions Answered

Still have questions about flying from IAS to ORD? We’ve got answers.

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air France, Alitalia, Austrian, British Airways, Brussels Airlines, Delta, KLM, LOT, Lufthansa, TAROM, United, and potentially more during busy seasons.

How far away is it from Chicago O’Hare International Airport to Iasi International Airport?

The distance between the two airports is roughly 5124 miles or 8246 kilometers.

How long does it take to fly from IAS to ORD?

The real-world flight time for a nonstop IAS to ORD flight is about 10 hour 12 minutes.

How many flights go between Iasi and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from IAS to ORD.


Airport Location Info


Departing Airport

Origination code IAS
Origination airport name Iasi International Airport
City Iasi
Country Romania
Latitude 47.2
Longitude 27.6

Return Airport

Destination code ORD
Destination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.