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Cheap Flights from Chicago (CHIA) to Iasi (IAS)

Compare Chicago 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 to Iasi

Looking for a cheap last-minute deal or the best return flight from Chicago to Iasi Airport? If you want to travel next month, return fares start from $1,402. Find the lowest prices on one-way and return tickets right here.
Iasi.$1,388 per passenger.Departing Mon, 20 Jul, returning Mon, 24 Aug.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Chicago O'Hare International on Mon, 20 Jul, arriving in Iasi.Inbound indirect flight with Austrian Airlines, departs from Iasi on Mon, 24 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,388, select.
Iasi.$1,402 per passenger.Departing Mon, 13 Jul, returning Wed, 22 Jul.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Chicago O'Hare International on Mon, 13 Jul, arriving in Iasi.Inbound indirect flight with Austrian Airlines, departs from Iasi on Wed, 22 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $1,402, select.
Iasi.$2,069 per passenger.Departing Mon, 15 Jun, returning Thu, 25 Jun.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Chicago O'Hare International on Mon, 15 Jun, arriving in Iasi.Inbound indirect flight with Austrian Airlines, departs from Iasi on Thu, 25 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,069, select.
Iasi.$2,283 per passenger.Departing Mon, 15 Jun, returning Sat, 11 Jul.Return flight with Austrian Airlines.Outbound indirect flight with Austrian Airlines, departs from Chicago O'Hare International on Mon, 15 Jun, arriving in Iasi.Inbound indirect flight with Austrian Airlines, departs from Iasi on Sat, 11 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From $2,283, select.

Find the cheapest month to fly from Chicago to Iasi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Iasi flights are currently cheapest in July.
Jun
from $2,069
Jul
from $1,402
Aug
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Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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May
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Chicago to Iasi: Alternative routes

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

Iasi

3km from central Iasi
ClosestCheapest
from $1,388
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Bacau International

88km from central Iasi
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Chicago to Iasi: Flight information

The things to know before you go.
Cheapest flight found$1,388
Cheapest month to flyJuly

Finding cheap flights from Chicago to Iasi: Frequently asked questions

The best price we found for a return flight from Chicago to Iasi is $1,388. 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 to Iasi. But we found flights with one stop from $1,388.
As of June 2026, there are no flights flying from Chicago to Iasi.
The cheapest month to fly from Chicago to Iasi is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Iasi Airport on Monday, 20 July 2026.
No airlines currently offer direct flights between Chicago 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.
The cheapest airline that flies to Iasi is Austrian Airlines .

Flying from Chicago to Iasi International Airport (IAS): What you need to know

  • Iasi International Airport is located in Iasi. The city operates on the UTC+2 timezone and is eight hours ahead of Chicago.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport with enough time to catch your flight from Chicago to IAS.

  • If you're flying during a peak month like July, get to the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Security lines will be longer during peak periods like Christmas, New Year and spring break.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

  • Stopovers offer the perfect opportunity to explore a new place or just take a break during your trip. When searching for a cheap flight from Chicago to IAS, uncheck 'Direct flights only' to compare all potential stops. Dublin Airport (DUB) is an option when leaving from Chicago O'Hare International Airport (ORD).

  • ORD is about 27 kilometres from central Chicago. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 30 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 45 minutes.

  • Looking for a comfortable hotel close to Chicago O'Hare International Airport? If you're catching an early flight from Chicago to Iasi International Airport, these stays will put you moments from check-in:

  • When it comes to the on-time performance of Chicago O'Hare International Airport, data shows 70% of flights complete their journey on time.

  • ORD's address is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • You can arrive at MDW from central Chicago in approximately 25 minutes by car, depending on traffic conditions. The ride by public transport will take roughly 30 minutes to cover the 16 kilometres or so.

  • Want to treat yourself to an extra night away before your Chicago to IAS flight? Kick back in a hotel near Chicago Midway International Airport before your break officially begins. These stays have a room with your name on it:

  • As far as flight punctuality goes, Chicago Midway International Airport has an on-time arrival performance of 76%.

  • MDW is located at 5700 South Cicero.

Chicago Rockford International Airport (RFD)

  • The journey to RFD from central Chicago is around 2 hours by public transport. If you're in a car, it'll take you about 1 hour 40 minutes to cover the 145 kilometres or so.

  • Take the 'what ifs' out of departure day — stay near Chicago Rockford International Airport and know you'll reach your gate with time to spare. Check in to one of these hotels the day before if you're catching an early Chicago to Iasi International Airport flight:

  • The on-time performance rate of RFD is 71%. In other words, that's how often flights departing this airport arrive within the expected time frame.

  • Chicago Rockford International Airport is located at 2 Airport Cir.

About Iasi International Airport (IAS)

  • Consider booking a hotel near IAS if you have a late flight from Chicago to Iasi International Airport. Choose one of these accommodation options and get some sleep sooner:

  • Booking your ride around one week ahead of your Chicago to Iasi International Airport flight can help you lock in a great deal.

Getting from Iasi International Airport (IAS) to central Iasi

  • Iasi International Airport is around 8 kilometres from the centre of Iasi. It takes around 20 minutes or so to drive to the city.

  • If you're travelling by public transport, expect a journey of roughly 30 minutes.

How to find the cheapest flights from Chicago to Iasi International Airport (IAS)

  • At the moment, $735 is the best price we've found for a one-way ticket from Chicago to Iasi International Airport. The cheapest price for a return flight is $1,388. Remember fares may change due to demand at the time of booking.

  • To find cheap flights from Chicago to IAS, book ahead. Airlines generally offer the most competitive fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' search tool. It'll give you the lowest price in every month when searching for your Chicago to Iasi International Airport ticket.

  • Never miss a deal on plane tickets from Chicago to IAS by setting up a Price Alert. We'll send you an email or notification on the app when fares go down.

  • Filters make it easier to find a bargain for your flight from Chicago to Iasi International Airport. Choose the airlines, flight times and stops that match your plans. Then sort the results by 'Cheapest' to bring up the lowest fares right away.

The best time to fly from Chicago to Iasi International Airport (IAS)

  • It's time to figure out when to book your flight from Chicago to Iasi International Airport (IAS). September is when most people travel to Iasi. If you like things a bit more low-key, head there in February.

  • Before locking in your Chicago to IAS plane ticket, consider the weather you're most comfortable in. August is the warmest month in Iasi, with temperatures ranging from 15ºC (59ºF) to 32ºC (90ºF).

  • January has temperatures of between -9ºC (16ºF) and 8ºC (46ºF). Search for cheap tickets from Chicago to Iasi International Airport around that time if you'd rather travel in cooler conditions.

More about Iasi

  • When it comes to searching for somewhere to lay your head, you'll find the most popular stays in Iasi right here. Browse these hotels as soon as you've locked in your flight from Chicago to Iasi International Airport:

  • All great journeys should include a little sightseeing. Galata Monastery, The Catholic Cathedral Saint Mary and Monastery of the Three Holy Hierarchs are attractions you won't want to skip in Iasi.

Explore more of Romania

  • You've done Iasi, now it's time to explore more of Romania. Journey around 193 kilometres south to Galaţi to check off its leading attractions. From Faleza Dunării to "Saint Mary-Precista" Fortified Church and Church of Saint Spiridon, you've got a jam-packed schedule ahead.

  • Braşov is another sought-after destination in Romania and is around 225 kilometres southwest of Iasi. No trip is complete without a visit to St. Peter's Church, Council Square and Tâmpa.

Plan the rest of your trip from Chicago to Iasi

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