HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$366+ Cheap flights from Romania to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Romania to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Romania to Illinois

Keep the following information in mind while searching for Romania to Illinois flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$600
(Delta)

One-way from

$366
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$617
Provider with most accurate pricing for Bucharest (BUH)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago (CHI) flights.
Search Deals
From Romania to Illinois
Search Deals
One-way flight from Romania to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Romania to Illinois

Cheapest flights from Romania to Illinois
Explore the most affordable flight options available from Romania to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/147:00 amOTP - MDW
2 stops19h 20mDelta
Tue 4/291:16 pmMDW - OTP
2 stops14h 54mDelta
Deal found 4/1$600
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:00 amOTP - ORD
1 stop15h 10mDelta
Tue 4/291:25 pmORD - OTP
2 stops19h 55mDelta
Deal found 3/31$600
This British Airways deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:25 amOTP - ORD
2 stops19h 52mBritish Airways
Fri 10/1010:35 pmORD - OTP
1 stop17h 15mBritish Airways
Deal found 4/1$604
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/136:05 pmCLJ - ORD
1 stop26h 00mLOT
Sun 9/219:40 pmORD - CLJ
1 stop31h 40mLOT
Deal found 3/31$648
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/11:45 pmOTP - ORD
1 stop32h 55mKLM
Tue 9/304:20 pmORD - OTP
1 stop23h 25mKLM
Deal found 4/1$650
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/143:30 pmOTP - ORD
1 stop28h 15mAmerican Airlines
Tue 4/2910:20 pmORD - OTP
1 stop19h 05mAmerican Airlines
Deal found 4/1$660
This Air France deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/171:45 pmOTP - STL
2 stops17h 51mMultiple Airlines
Mon 4/214:05 pmSTL - OTP
2 stops15h 45mMultiple Airlines
Deal found 4/1$676
This KLM deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:05 pmOTP - ORD
1 stop28h 05mMultiple Airlines
Mon 7/145:10 pmORD - OTP
1 stop14h 40mMultiple Airlines
Deal found 4/1$686
This Mytrip deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:20 pmOTP - ORD
1 stop26h 40mLufthansa
Wed 10/13:35 pmORD - OTP
1 stop19h 00mLufthansa
Deal found 4/1$690
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:55 amCLJ - ORD
1 stop16h 00mTurkish Airlines
Sun 9/2111:25 amORD - CLJ
1 stop13h 40mTurkish Airlines
Deal found 3/31$707
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:00 amOTP - ORD
2 stops20h 35mUnited Airlines
Fri 9/129:40 pmORD - OTP
1 stop19h 20mUnited Airlines
Deal found 4/1$716
This Air Canada deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amOTP - ORD
2 stops33h 59mAir Canada
Thu 7/108:25 pmORD - OTP
2 stops34h 55mAir Canada
Deal found 4/1$735

Cheapflights Fare Finder

Customize your flight search to find flights from Romania to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Romania to Illinois that are best for you.

Fly from

Romania

Fly to

Illinois

Route

Depart

Return

Price

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Mon 4/14

7:00 am-6:20 pm

2 stops19h 20m

Chicago Midway

Tue 4/29

1:16 pm-12:10 pm

2 stops14h 54m

$600

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 4/13

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 4/29

1:25 pm-5:20 pm

2 stops19h 55m

$600

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/26

8:25 am-8:17 pm

2 stops19h 52m

Chicago O'Hare Intl

Fri 10/10

10:35 pm-11:50 pm

1 stop17h 15m

$604

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 6/23

6:05 pm-3:10 pm

1 stop29h 05m

Chicago O'Hare Intl

Sun 10/5

9:40 pm-1:20 pm

1 stop31h 40m

$650

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 7/1

1:45 pm-2:40 pm

1 stop32h 55m

Chicago O'Hare Intl

Tue 9/30

4:20 pm-11:45 pm

1 stop23h 25m

$650

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 4/14

3:30 pm-11:45 am

1 stop28h 15m

Chicago O'Hare Intl

Tue 4/29

10:20 pm-1:25 am

1 stop19h 05m

$660

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 4/17

1:45 pm-11:36 pm

2 stops17h 51m

Lambert-St Louis

Mon 4/21

4:05 pm-3:50 pm

2 stops15h 45m

$676

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 6/30

6:05 pm-2:10 pm

1 stop28h 05m

Chicago O'Hare Intl

Mon 7/14

5:10 pm-3:50 pm

1 stop14h 40m

$686

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 6/30

7:20 pm-2:00 pm

1 stop26h 40m

Chicago O'Hare Intl

Wed 10/1

3:35 pm-6:35 pm

1 stop19h 00m

$690

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/20

6:00 am-6:35 pm

2 stops20h 35m

Chicago O'Hare Intl

Fri 9/12

9:40 pm-1:00 am

1 stop19h 20m

$716

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 41 results
1
2
3
...
5

Best time to book a flight from Romania to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Romania with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Romania to Illinois

What is the cheapest month to book a flight from Romania to Illinois?

Currently, August is the cheapest month in which you can book a flight from Romania to Illinois (average of $245). Flying from Romania to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RO to IL?

Find hourly flight availability from Romania to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

When flying from Romania to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 2, 2025.
See what other customers who have flown with Emirates, Delta and KLM from Romania to Illinois have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,193 reviews
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,899 reviews
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,323 reviews
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,065 reviews
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
771 reviews
Emirates
8.0
Very good
3,193 reviews

Overall

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Romania to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Romania to Illinois one-way?

    $535 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Lufthansa and Delta, with prices starting from $623 and $641, respectively.

  • Can I find deals for flights from Romania to Illinois that include hotel bookings?

    Yes. In addition to deals on Romania to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Romania to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Romania to Illinois.

  • Can I find deals for business class flights from Romania to Illinois?

    Yes. Cheapflights offers flight deals from Romania to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Romania to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Romania to Illinois (average of $245). Flying from Romania to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Romania to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
Charles de Gaulle to Newark flights
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Frankfurt to John F Kennedy Intl flights
Frankfurt to Newark flights
Orly to John F Kennedy Intl flights
Orly to Newark flights
Charles de Gaulle to Stewart flights
London City to John F Kennedy Intl flights
Charles de Gaulle to LaGuardia flights
Charles de Gaulle to Miami flights
Gatwick to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Gatwick to Newark flights
Bruxelles-National to John F Kennedy Intl flights
Bruxelles-National to Newark flights
Madrid to John F Kennedy Intl flights
Frankfurt to LaGuardia flights
London City to Newark flights
Madrid to Newark flights
Madrid to Miami flights
Barcelona-El Prat to John F Kennedy Intl flights
Malpensa to John F Kennedy Intl flights
Barcelona-El Prat to Newark flights
Malpensa to Newark flights
Dublin to Newark flights
Dublin to John F Kennedy Intl flights
Frederic Chopin to John F Kennedy Intl flights
Vienna to Newark flights
Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Munich to John F Kennedy Intl flights
Charles de Gaulle to Los Angeles flights
Frederic Chopin to Newark flights
Vienna to John F Kennedy Intl flights
Leonardo da Vinci/Fiumicino to Newark flights
Frankfurt to Miami flights
Berlin to John F Kennedy Intl flights
Heathrow to Miami flights
Berlin to Newark flights
Munich to Newark flights
Heathrow to Los Angeles flights
Bruxelles-National to LaGuardia flights
Heathrow to Orlando flights
Gatwick to LaGuardia flights
Stansted to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Zurich to John F Kennedy Intl flights
Heathrow to Boston flights

Top 10 airlines flying from Romania to Illinois

Discover the top 10 airlines that operate flights from Romania to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$678FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$485Average$845FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$548Average$642FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$552Average$782FlexibilityNo cancel feeOn-time76%
SWISSCheapest$565Average$646FlexibilityNo cancel feeOn-time79%
LOTCheapest$568Average$699FlexibilityNo cancel feeOn-time81%
KLMCheapest$570Average$691FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$707FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
DeltaCheapest$585Average$634FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.