Cheap Flights from Chicago O'Hare International to Iasi

Compare Chicago O'Hare International to Iasi flight deals

Find the cheapest month or even day of the year to fly to Iasi

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Flight deals from Chicago O'Hare International Airport to Iasi Airport

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Iasi Airport? If you want to travel next month, return fares start from $1,150. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago O'Hare International to Iasi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Iasi flights are currently cheapest in March.

Chicago O'Hare International to Iasi: Alternative routes

Compare routes from Chicago O'Hare International to Iasi below. You may find an airport to fly into that's cheaper, faster, or easier than Iasi.

Chicago to Iasi: Flight information

The things to know before you go.
Cheapest flight found$1,150
Cheapest month to flyMarch

Finding cheap flights from Chicago O'Hare International to Iasi: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Iasi is $1,150. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chicago O'Hare International to Iasi. But we found flights with one or more stops from $1,150.
As of February 2026, there are no flights flying from Chicago O'Hare International to Iasi.
The cheapest month to fly from Chicago O'Hare International to Iasi is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Iasi Airport on Saturday, 7 March 2026.
No airlines currently offer direct flights between Chicago O'Hare International Airport and Iasi Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Iasi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Iasi is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Austrian Airlines offers the cheapest flight tickets to Iasi.

Travelling from O'Hare International Airport (ORD) to Iasi Airport (IAS): what you need to know

  • The timezone in Iasi is UTC+2, which is seven hours ahead of Chicago.

  • For a smooth journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your ORD to IAS flight.

  • Be prepared for bigger queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for domestic departures will give you ample time for security and boarding.

  • Take a detour to a new city or break up your flight with a stopover. Just uncheck 'Direct flights only' to see your options when searching for tickets from O'Hare International Airport to Iasi Airport. Many travellers pass through Dublin Airport when flying between ORD and IAS.

How to find the cheapest flights from O'Hare International Airport (ORD) to Iasi Airport (IAS)

  • $419 is currently the best price for a one-way O'Hare International Airport to Iasi Airport flight. A return flight starts from $1,150. These fares may change based on availability and demand.

  • It's a good idea to book early if you're hoping to get cheap tickets from ORD to IAS. That's because flight prices are based on demand, which tends to increase closer to departure.

  • Finding cheap flights from O'Hare International Airport to Iasi Airport is easy if you're flexible with your dates. Use the 'Whole month' search function to see the best prices across every month and bag a great deal.

  • Finding cheap flights from ORD to IAS is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when there's a better deal.

  • Tailor your trip using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Fastest' or 'Best' flights from O'Hare International Airport to Iasi Airport.

Handy information about O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • When it comes to the on-time performance of O'Hare International Airport, 74.85% of flights arrive within the scheduled timeframe.

  • O'Hare International Airport is around 40 kilometres from central Chicago. If you're driving, catching a cab or ride-sharing from the centre, it'll take 35 minutes or so to get there, depending on the traffic.

  • Taking public transport? Expect a journey time of around 55 minutes.

  • Get your journey off to a relaxed start by staying near ORD. Whether you have an early flight from O'Hare International Airport to Iasi Airport or just don't like being rushed, these hotels are ideal:

Arriving at Iasi Airport (IAS)

  • The last thing you want is a long journey to your hotel if you're landing late on an O'Hare International Airport to Iasi Airport flight. Stay at one of these accommodation options near IAS instead:

  • Grab an Iasi Airport rental car and discover Iasi and beyond with your own wheels. Klass Wagen, Pricecarz and Wheego are popular outlets you can book with here.

  • Lock in the lowest price by reserving your ride from Iasi Airport around one week before your departure date.

Getting from Iasi Airport (IAS) to central Iasi

  • Iasi Airport to central Iasi has a drive time of about 10 minutes. It's approximately 5 kilometres away.

  • It typically takes 35 minutes if you're travelling on public transport.

When to fly to Iasi Airport (IAS)

  • July is the most popular month for flights from O'Hare International Airport to Iasi Airport. For a quieter experience, travel to Iasi in April.

  • The warmest month in Iasi is August, with temperatures ranging between 15ºC and 32ºC. Book your flights from O'Hare International Airport to Iasi Airport in this month if this is the type of weather you enjoy.

  • January has average temperatures of between -9ºC and 7ºC. Look for cheap tickets from ORD to IAS around that time if you want to travel when it's cooler.

Explore more of Romania

  • You've done Iasi, now it's time to discover other parts of Romania. Travel around 322 kilometres south to Bucharest to check off its must-visit sights. From Museum of the Palace of the Parliament to Old Town and Herastrau Park, there's plenty to keep you on the go.

  • If you're ready to explore another major destination in Romania, consider Cluj-Napoca, roughly 306 kilometres west of Iasi. St. Michael's Church, Hoia Baciu Forest and Banffy Palace are among the biggest draws.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.