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$236+ Cheap flights from Illinois to Romania

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Illinois to Romania

Cheapest flights from Illinois to Romania
Explore the most affordable flight options available from Illinois to Romania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:50 pmORD - CLJ
1 stop19h 05mLufthansa
Tue 2/106:00 amCLJ - ORD
1 stop20h 25mLufthansa
Deal found 10/14$486
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:50 pmORD - CLJ
1 stop31h 15mMultiple Airlines
Tue 2/106:00 amCLJ - ORD
2 stops23h 15mMultiple Airlines
Deal found 10/15$495
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/179:50 pmORD - CLJ
1 stop19h 05mMultiple Airlines
Thu 2/1210:50 amCLJ - ORD
1 stop13h 30mMultiple Airlines
Deal found 10/14$498
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:50 pmORD - CLJ
1 stop11h 50mMultiple Airlines
Tue 2/106:00 amCLJ - ORD
1 stop20h 25mMultiple Airlines
Deal found 10/14$500
This Gotogate deal was found by Cheapflights users on 10/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:00 pmORD - CLJ
2 stops15h 40mAir Canada
Tue 12/166:00 amCLJ - ORD
2 stops19h 48mAir Canada
Deal found 10/14$501
This Mytrip deal was found by Cheapflights users on 10/14. 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 12/112:50 pmORD - CLJ
2 stops16h 50mMultiple Airlines
Tue 12/166:00 amCLJ - ORD
1 stop20h 25mMultiple Airlines
Deal found 10/14$502
This CrystalTravel deal was found by Cheapflights users on 10/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:50 pmORD - CLJ
1 stop19h 05mLufthansa
Thu 3/126:00 amCLJ - ORD
1 stop20h 25mLufthansa
Deal found 10/14$503
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:20 pmORD - CLJ
2 stops13h 20mLufthansa
Sun 2/86:00 amCLJ - ORD
1 stop20h 25mLufthansa
Deal found 10/14$506
This FlightHub deal was found by Cheapflights users on 10/14. 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.
Tue 11/1811:50 amORD - CLJ
1 stop13h 10mTurkish Airlines
Tue 2/109:15 pmCLJ - ORD
1 stop20h 50mTurkish Airlines
Deal found 10/14$507
This KAYAK deal was found by Cheapflights users on 10/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:50 pmORD - CLJ
1 stop11h 50mSWISS
Thu 2/1210:50 amCLJ - ORD
1 stop13h 30mSWISS
Deal found 10/15$512
This KAYAK deal was found by Cheapflights users on 10/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:50 pmORD - CLJ
1 stop31h 15mSWISS
Sun 3/153:15 pmCLJ - ORD
1 stop33h 05mSWISS
Deal found 10/14$513
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:35 pmORD - CLJ
2 stops18h 20mMultiple Airlines
Thu 2/1210:50 amCLJ - ORD
1 stop13h 30mMultiple Airlines
Deal found 10/14$518

Cheap flight deals from Illinois to Romania

Keep the following information in mind while searching for Illinois to Romania flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(Kiwi.com)

One-way from

$236
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$601

Good round-trip deal

$829 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
Search Deals
From Illinois to Romania
Search Deals
One-way flight from Illinois to Romania
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($300 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Romania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Romania 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 October 16, 2025.
Use the filters below to find and compare flights from Illinois to Romania that are best for you.

Fly from

Illinois

Fly to

Romania

Route

Depart

Return

Price

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 11/18

11:50 am-9:00 am

1 stop13h 10m

Cluj Napoca

Tue 2/10

9:15 pm-6:25 pm

1 stop29h 10m

$500

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/1

2:00 pm-1:40 pm

2 stops15h 40m

Cluj Napoca

Tue 12/16

6:00 am-5:48 pm

2 stops19h 48m

$501

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 12/1

12:50 pm-1:40 pm

2 stops16h 50m

Cluj Napoca

Tue 12/16

6:00 am-6:25 pm

1 stop20h 25m

$502

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 11/17

10:35 pm-12:55 am

2 stops18h 20m

Cluj Napoca

Thu 2/12

10:50 am-4:20 pm

1 stop13h 30m

$518

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 11/17

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Tue 2/10

6:00 am-2:10 pm

1 stop16h 10m

$528

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 11/15

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Sun 2/8

6:00 am-2:10 pm

1 stop16h 10m

$528

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 11/15

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Thu 2/12

6:00 am-2:10 pm

1 stop16h 10m

$528

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 11/17

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Sun 2/8

6:00 am-2:10 pm

1 stop16h 10m

$528

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 11/17

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Fri 2/13

6:00 am-6:25 pm

1 stop20h 25m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sat 11/15

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Fri 2/13

6:00 am-6:25 pm

1 stop20h 25m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 55 results
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Best time to book a flight from Illinois to Romania

Have a flexible travel schedule? Discover the best time to fly to Romania from Illinois 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 Illinois to Romania

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Romania (average of $333). Flying from Illinois to Romania in June is currently the most expensive (average of $829). 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 IL to RO?

Find hourly flight availability from Illinois to Romania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

It’s typically best to fly out from Illinois to Romania in the evening. Doing so could potentially save you 13% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Illinois to Romania. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Romania flight should consider departing on Sunday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • How long is the flight from Illinois to Romania?

    For as low as $528, Turkish Airlines can have you in Romania from Illinois in 11h 40m. Airlines will cover a distance of 5008 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Romania 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 Illinois to Romania?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Romania (average of $333). Flying from Illinois to Romania in June is currently the most expensive (average of $829). 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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Romania

Discover the top 10 airlines that operate flights from Illinois to Romania. 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$728FlexibilityNo cancel feeOn-time77%
SWISSCheapest$500Average$851FlexibilityNo cancel feeOn-time79%
Turkish AirlinesCheapest$504Average$695FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$734FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$534Average$939FlexibilityNo cancel feeOn-time76%
LOTCheapest$538Average$922FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$730FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$588Average$932FlexibilityNo cancel feeOn-time69%

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