$400 Find Cheap Flights from Romania to Illinois

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Illinois
These are the airlines KAYAK users have selected most often from within our search results for flights to Illinois
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Useful Info

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Romania to Illinois?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Romania to Illinois, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Romania to Illinois is November, when tickets cost $601 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of round-trip tickets is $839 and $837 respectively.

How far in advance should I book a flight from Romania to Illinois?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Illinois, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Romania to Illinois, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.


Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$400
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Bucharest to Chicago

FAQs for booking flights from Romania to Illinois

  • How does KAYAK find such low prices on flights from Romania to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Romania to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Romania to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Romania to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Romania to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Romania to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Romania to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Romania to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Illinois?

    Based on KAYAK data, the cheapest day to fly to Illinois is Tuesday where round-trip tickets can be as cheap as $691. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $780 on average.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $511 on average. Morning departures are around 40% more expensive than evening flights, on average. The most expensive time of day to fly to Illinois is generally at night, which is peak travel time and where the average cost of a ticket is $802.

Top 5 airlines serving from Romania to Illinois

 
See real verified KAYAK customer reviews for airlines flying to Illinois. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Romania to Illinois. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Romania to Illinois? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
LOTOverall score based on 1080 reviews
8.1Crew
7.6Boarding
7.5Comfort
7.0Entertainment
7.2Food
Airline reviews

Bags lost no more to say, bad communication and no urgency to get it back to the hotel by the airline properly the worst airline I have used.

2.0 MediocreHinesh, May 2025WAW - TGD
Read more LOT reviews

Bags lost no more to say, bad communication and no urgency to get it back to the hotel by the airline properly the worst airline I have used.

The customer service rep on chat refused carrying golf set at no charge that is customary for LOT and others. I wanted yo carry just ONE club not even full set! Web check in was nightmare. Most horrible lounge at warsaw. To call it business class is a BIG exaggeration. Rude staff warsaw to nyc. Seats uncomfortable and not flat as is now customary. Bad content and entertainment system.

It was was okay but the seat was stiff and hard to sit on it!!

Seats were so uncomfortable, my butt hurts so much, I wish they have more cushions,it really was horrible, Except that, Stewarts were polite food was decent

The 737 lacked business-class seating. It was basically economy plus but with the middle seats left unsold. There were no TV screens but good food and service.

Plane is super outdated, seats not that comfortable for business class. Lounge also out dated. They need to catch up to 2024. Don’t think I’d ever fly again.

Everything was good, flight was smooth and on time Like service

Boarding was impossible to navigate. Had mobility issues and a business class ticket, but still boarded almost at the end of the queue because there was absolutely no organization or assistance.

Aircraft was new. Food so so, especially vegetarian was very disappointing.

Very courteous staff. Abnoxious passenger in front of me who reclined her seat all the way without warning and without considering the person behind her. My flight ORD-WAW was so much more pleasant because of the courtesy of the passenger in front of me.

It was fine, definitely older planes with no charging or anything. There’s no entertainment set up on board, but it is nice that they allow you to access the in flight entertainment from your phone without having to pay for the Wi-Fi and they do offer free texting.

I liked that the flight was nonstop from ORD to CIU for $200 round trip.

The schedule to Moline changed 5 times. The gate changed 6 times. That is a pathetic way to run an airline. No wonder that no one in our company flies on United Express to or from Moline. Changes happen most of the time. I learned my lesson on this trip…never again!

All flight attendants could benefit by taking an international flight on Qantas Airline. Qantas attendants are much more hospitable in every way. Much superior than and attendants on any US airline.

While the staff was pleasant and helpful, the following observations are for your awareness. There was some delay on the tarmac on take off and landing. The paid lunch/food offerings were limited. Entertainment was only available on WiFi at a cost.

The first flight was better in terms of the aircraft.

So far so good but food and entertainment are not available for this flight

Smooth flight. Boarding was chaotic. Could not hear the gate agent over the intercom. People were lined up in the wrong lines. Groups one and two were told to board through line one and group 3 through line 2. All very confusing. Once in the air, the flight was smooth. There was no entertainment option on this aircraft, even though it was a larger aircraft.

Overall poor for me I paid extra for seats with leg room and my regional flights exit row seats have less leg room then the others that's money that could have been saved and on my final flight home the flights air was not operating it was unbearably hot in the cabin I will be contacting United and filing a DOT complaint

It was my first time with United Airlines and I would say it was very good experience and best of all the flights were on time. Will definitely fly with United Airlines next time.

The check in process at Istanbul airport caused my family a great deal of stress and disappointment due to the following factors: 1) WE HAD TO PAY US$330 for check on bags, despite holding Economy tickets that Turkish airlines website clearly states that flights from Istanbul to Miami had a 2 checked bags allowance. 2) Airport staff not only lacked empathy for senior travelers (75 yrs old and 71 yrs old), but were also rude as well. The supervisor at check it offered "if you don't pay for the bags, you can just remain and sleep at the airport for however long you wish. What a terrible way to treat customers !!! 3) We were bumped from agent to agent to agent FIVE times, showing everyone the communication we received telling us we had the 2 bags entitlement. Two elderly people lugging 4 suitcase around and around the Turkish terminal. Again, what a sad way to treat customers !!! 4) We need a case opened to get a refund for the amount we paid. Something is amiss, screams unethical, and sounds unscrupulous......At First , we were told we must pay for 4 bags. All of a sudden, it became 2 bags, and finally all 4 bags were checked on with payments demanded for 2. Why did it vary from agent to agent???? 5) OVERALL, A TERRIBLE AND SUSPICIOUSLLY UNSCRUPULOUS EXPERIENCE FLYING WITH TURKISH AIRLINES. WE ARE TERRIBLY DISAPPOINTED AND SAD THAT OUR VISIT TO A BEAUTIFUL CITY ENDED IN SUCH A HORRIBLE EXPERIENCE

I recently flew with Turkish Airlines, and I can confidently say it was one of the best travel experiences I’ve ever had. From the moment I boarded, the crew was incredibly attentive, warm, and professional. They went above and beyond to ensure everyone was comfortable and well taken care of throughout the flight. The highlight, however, was the food! I’ve flown with many airlines, but Turkish Airlines sets the bar incredibly high when it comes to in-flight dining. Every meal was fresh, flavorful, and beautifully presented. The variety of dishes, even on a long-haul flight, was impressive. It felt like dining at a high-end restaurant at 35,000 feet! The seats were comfortable, the entertainment options were great, and the overall atmosphere made the journey enjoyable. Turkish Airlines truly excels in combining luxury and hospitality. I wouldn’t hesitate to fly with them again—highly recommend!

One of the best flights I have been on in a while.

Here's a sample answer: "Honestly, I was really impressed with Turkish Airlines, but if I had to suggest one area for improvement, it would be: - *More efficient boarding process*: I noticed that boarding took a bit longer than expected, which might be frustrating for passengers with tight connections.

Not worth pay business class and get service economy class

In this long haul flight, flight attendants never stopped moving and giving excellent service. Very impressive. Very comfortable seats and excellent food

In sharp contrast to the modern glitzy airport, boarding facilities were primitive. Passengers had to board buses and walk up steep stairs in bitter cold with carry-on baggages. I found no reason why aerobridge was not provided.

Service and food were decent, seats are a bit too narrow. Leg room is normal. Bathroom should be cleaned more frequently. WiFi is cumbersome and should be simplified.

they have cancell the flight with no reasons, My parents were in the cold weather in the airport for 24 hours they did not give any hotel and food. I hate Turkish Airline, this is our last time that we ha ve chosen Turkish Airline.

Same as before boarding process and lack of crew experience in the process

I was very grateful for Lufthansa's role in organizing mobility support. The touchscreen on my seat was faulty: slow, stained (I couldn't get it clean), and glitchy. This made selecting movies extremely time consuming, and twice I had to start all over from the beginning.

The crew was the best I’ve ever encountered. Business class was spacious, immaculate, and very modern.

I wish seats were not reclinable. It's so claustrophobic when the person in front of you spends most of a nine hour flight leaned all the way back. The crew was really nice though and the dinner (red Thai curry) was pretty compelling.

Our flights were severely delayed, then canceled and we had to fly out next day with no sleep accommodation help. This led to our baggage being lost and the service reps after baggage couldn’t be bothered to help. They kept sending us to different counters when we were at the right counter to begin with. The only saving grace was the angel woman supervisor with blond hair who helped us put in a missing baggage claim.

The boarding system was all bogus - employees at the boarding gate were not sound like proffesional or may be possibly rational

I got an email in the morning of the flight 1/7, from Kayak, that I was rebooked from UA 906 to LH 430. Nobody at Lufthansa ot United knew about this. I went to both counters. at the airport. Also, Cheap Flights, who I booked the ticket through, did not know. I ended up staying on the United flight. But this was very disturbing, since I got a very late notice that I was rebooked to an earlier flight, I hurried to the airport to find out after a lot of inquiring that this was a mistake. Not a good Kayak experience.

After living in Europe for five years and flying with Lufthansa and KLM airlines, I’ve realized that United Airlines is now a budget carrier. The flight attendant are not friendly. The seats are not comfortable. And everything comes at a cost. I will be flying with KLM and Skyteam like Delta to the US going forward no doubt. United Airlines is not what it once was:

Delayed take off but I think they waited for passengers.

I had to fly United where the flight crew was atrocious

Flight was delayed for no reason and I missed my connection. This added another day of travel and I missed an event I was traveling home for.

Better synchronizing the boarding processes. The audio announcements, the personnel and the digital signage were not saying the same thing. All confusion.

The first class seats were unusable, mine at the end of the flight, my husband's in the middle of the flight, and the one next to me was unusable either, they had to move the person to another seat.

Last minute gate change. Didn’t put our TSA global on our trip even though we asked multiple times to confirm. Did not help with food when could not eat what was served.

Our luggage didn’t arrive with us, that puts a damper on the whole trip.

The cabin was bit colder than I like but the crew members looked after us very well. They did even offer hot water bottle and hot chocolate. I cannot rate the crew enough excellent is not good enough. They really were wonderful.

Boarding is always a challenge as folks in al groups crowd around for no reason, but crew handled it well. I once again applaud the LHR ground baggage staff as they got our bags from a flight at Terminal 5A to a flight in Terminal 5C within 40 minutes...amazing!

This flight from London to Chicago was actually on an AA airline. I did book through BA but the flight was AA. Great flight, hectic in Chicago, I wouldn't choose to fly through Chicago again, but that's not the airlines fault. The flight itself was great.

Push back is not working when I complaint a male staff he told me that most of the seats are like that so we can’t do anything

Seats were way too small. I got claustrophobic waiting for trash from meal to be taken away. I couldn't move to even close my tray until trash was taken.

Was 3 hrs delayed and my poor friend I met in Barcelona was waiting at airport for 3 hrs. Dallas airport was awful

Book cheap flights from Romania to Illinois

Recent round-trip flight deals

 
These are the cheapest round-trip flights to Illinois found on KAYAK in the last 72 hours.
10/18Sat
1 stopScandinavian Airlines
26h 45mOTP-ORD
10/27Mon
1 stopScandinavian Airlines
32h 50mORD-OTP
$437
9/27Sat
1 stopScandinavian Airlines
26h 45mOTP-ORD
10/11Sat
1 stopScandinavian Airlines
17h 20mORD-OTP
$464
9/6Sat
1 stopLOT
25h 35mOTP-ORD
9/20Sat
1 stopLOT
20h 10mORD-OTP
$640
9/26Fri
1 stopLOT
22h 05mOTP-ORD
10/10Fri
1 stopLOT
12h 55mORD-OTP
$647
9/3Wed
1 stopLufthansa
32h 10mCLJ-ORD
9/21Sun
1 stopLufthansa
15h 15mORD-CLJ
$694
9/12Fri
2 stopsUnited Airlines
33h 23mOTP-STL
9/23Tue
2 stopsUnited Airlines
18h 38mSTL-OTP
$706
9/12Fri
2 stopsUnited Airlines
33h 23mOTP-STL
9/26Fri
2 stopsUnited Airlines
24h 17mSTL-OTP
$708
9/10Wed
1 stopLufthansa
15h 30mOTP-STL
9/22Mon
2 stopsLufthansa
19h 40mSTL-OTP
$711
6/30Mon
1 stopTurkish Airlines
20h 30mCLJ-ORD
7/30Wed
1 stopTurkish Airlines
24h 55mORD-CLJ
$741
9/3Wed
1 stopTurkish Airlines
20h 05mCLJ-ORD
10/5Sun
1 stopTurkish Airlines
16h 30mORD-CLJ
$748

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Recent one-way flight deals

 
Only flying one-way? Below are some of the best deals for one-way flights to Illinois found on KAYAK in the last 72 hours.
10/3Fri
1 stop
17h 42mOTP-ORD
$400
6/27Fri
2 stops
52h 55mOTP-MDW
$413
8/16Sat
1 stopLufthansa
25h 10mOTP-ORD
$677
7/21Mon
1 stopTurkish Airlines
28h 45mCLJ-ORD
$689
7/14Mon
1 stopTurkish Airlines
31h 45mCLJ-ORD
$695
7/2Wed
1 stopLufthansa
27h 20mOTP-ORD
$698
8/16Sat
2 stopsBritish Airways
32h 45mOTP-ORD
$717
8/10Sun
2 stopsBritish Airways
43h 30mOTP-ORD
$724
7/18Fri
2 stopsUnited Airlines
22h 16mOTP-ORD
$781
9/11Thu
3 stopsUnited Airlines
41h 28mOTP-STL
$789

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Last minute flights to Illinois

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights to Illinois that are departing in the next 10 days.
6/18Wed
multi-stopScandinavian Airlines
27h 20mOTP-ORD
9/14Sun
multi-stopScandinavian Airlines
17h 55mORD-OTP
$768
6/17Tue
multi-stopAir Serbia
30h 20mOTP-ORD
9/13Sat
multi-stopAir Serbia
32h 00mORD-OTP
$769
6/17Tue
multi-stopAir Serbia
30h 20mOTP-ORD
9/17Wed
multi-stopAir Serbia
14h 50mORD-OTP
$770
6/17Tue
multi-stopUnited Airlines
20h 10mOTP-ORD
9/14Sun
multi-stopUnited Airlines
19h 00mORD-OTP
$780
6/17Tue
multi-stopUnited Airlines
20h 10mOTP-ORD
9/19Fri
multi-stopUnited Airlines
15h 25mORD-OTP
$782
6/17Tue
multi-stopLufthansa
15h 55mOTP-ORD
9/15Mon
multi-stopLufthansa
12h 20mORD-OTP
$824
6/19Thu
multi-stopLufthansa
15h 55mOTP-ORD
9/14Sun
multi-stopLufthansa
19h 00mORD-OTP
$927
6/18Wed
multi-stopLOT
52h 50mCLJ-ORD
7/20Sun
multi-stopLOT
31h 40mORD-CLJ
$963
6/17Tue
multi-stopLOT
33h 10mOTP-ORD
9/14Sun
multi-stopLOT
19h 40mORD-OTP
$989
6/18Wed
multi-stopBritish Airways
17h 50mOTP-ORD
9/19Fri
multi-stopBritish Airways
22h 55mORD-OTP
$990

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Everything you need to know for your flight to Illinois

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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