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$184+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$490
(Kiwi.com)

One-way from

$184
(oojo)

Popular in

June

Cheapest in

October

Average price

$629

Good round-trip deal

$809 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
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From Illinois to Romania
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One-way flight from Illinois to Romania
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Highest demand for flights based on searches. 26% potential increase in price ($275 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Illinois to Romania.
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Price to beat on a one-way flight from Illinois to Romania.
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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 January 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/6. 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.
Thu 2/59:50 pmORD - CLJ
1 stop19h 05mLufthansa
Thu 2/126:00 amCLJ - ORD
1 stop16h 10mLufthansa
Deal found 1/6$490
This FlightHub deal was found by Cheapflights users on 1/5. 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.
Wed 1/218:20 pmORD - CLJ
1 stop16h 05mTurkish Airlines
Thu 2/59:15 pmCLJ - ORD
1 stop29h 10mTurkish Airlines
Deal found 1/5$511
This CrystalTravel deal was found by Cheapflights users on 1/5. 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 1/219:50 pmORD - CLJ
1 stop19h 05mMultiple Airlines
Thu 1/2910:50 amCLJ - ORD
1 stop13h 30mMultiple Airlines
Deal found 1/5$516
This Gotogate deal was found by Cheapflights users on 1/6. 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.
Thu 2/512:50 pmORD - CLJ
2 stops16h 50mMultiple Airlines
Thu 2/126:00 amCLJ - ORD
1 stop20h 25mMultiple Airlines
Deal found 1/6$518
This FlightHub deal was found by Cheapflights users on 1/5. 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.
Wed 4/1511:25 amORD - CLJ
1 stop13h 40mTurkish Airlines
Wed 5/279:55 amCLJ - ORD
1 stop16h 20mTurkish Airlines
Deal found 1/5$519
This FlightHub deal was found by Cheapflights users on 1/5. 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 4/1411:25 amORD - TSR
1 stop25h 30mTurkish Airlines
Wed 5/279:45 pmTSR - ORD
1 stop19h 55mTurkish Airlines
Deal found 1/5$522
This oojo deal was found by Cheapflights users on 1/5. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:25 amORD - CLJ
1 stop24h 55mTurkish Airlines
Thu 4/309:10 pmCLJ - ORD
1 stop20h 30mTurkish Airlines
Deal found 1/5$526
This Kiwi.com deal was found by Cheapflights users on 1/4. 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.
Wed 3/49:55 pmORD - CLJ
1 stop11h 25mLOT
Wed 3/111:55 pmCLJ - ORD
1 stop14h 05mLOT
Deal found 1/4$529
This FlightHub deal was found by Cheapflights users on 1/4. 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.
Thu 3/56:00 pmORD - CLJ
1 stop11h 40mLufthansa
Thu 3/126:00 amCLJ - ORD
1 stop16h 10mLufthansa
Deal found 1/4$531
This United Airlines deal was found by Cheapflights users on 1/4. 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.
Tue 3/36:00 pmORD - CLJ
1 stop11h 40mUnited Airlines
Wed 3/116:00 amCLJ - ORD
1 stop16h 10mUnited Airlines
Deal found 1/4$533
This KAYAK deal was found by Cheapflights users on 1/4. 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 3/87:50 pmORD - CLJ
1 stop11h 50mSWISS
Sun 3/153:15 pmCLJ - ORD
1 stop33h 05mSWISS
Deal found 1/4$534
This FlightHub deal was found by Cheapflights users on 1/4. 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.
Mon 2/211:22 amSTL - CLJ
2 stops18h 18mLufthansa
Tue 2/102:25 pmCLJ - STL
2 stops17h 34mLufthansa
Deal found 1/4$534

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 January 6, 2026.
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

Thu 2/5

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 2/12

6:00 am-2:10 pm

1 stop16h 10m

$490

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 2/5

12:50 pm-1:40 pm

2 stops16h 50m

Cluj Napoca

Thu 2/12

6:00 am-6:25 pm

1 stop20h 25m

$518

ChicagoTimisoara

ORD - TSR

ORDTSR

Chicago O'Hare Intl

Tue 4/14

11:25 am-8:55 pm

1 stop25h 30m

Timisoara

Wed 5/27

9:45 pm-9:40 am

1 stop19h 55m

$522

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 3/4

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Thu 3/12

6:00 am-3:10 pm

1 stop16h 10m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Fri 3/6

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Mon 3/16

6:00 am-7:25 pm

1 stop20h 25m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Mon 3/16

6:00 am-7:25 pm

1 stop20h 25m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 3/3

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Wed 3/11

6:00 am-3:10 pm

1 stop16h 10m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 3/4

6:00 pm-1:40 pm

1 stop11h 40m

Cluj Napoca

Sun 3/15

6:00 am-7:25 pm

1 stop20h 25m

$533

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Mon 2/2

11:22 am-1:40 pm

2 stops18h 18m

Cluj Napoca

Tue 2/10

2:25 pm-11:59 pm

2 stops17h 34m

$534

St. LouisCluj Napoca

STL - CLJ

STLCLJ

Lambert-St Louis

Tue 2/3

11:22 am-1:40 pm

2 stops18h 18m

Cluj Napoca

Wed 2/11

2:25 pm-11:59 pm

2 stops17h 34m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/4

Showing 1-10 of 60 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 $330). Flying from Illinois to Romania in June is currently the most expensive (average of $759). 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.

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 $533, Lufthansa 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.

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

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $236. Users have also found prices from $376 and $394 on SWISS and Lufthansa, respectively.

  • 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 $330). Flying from Illinois to Romania in June is currently the most expensive (average of $759). 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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Alternative routes for Illinois to Romania

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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$638FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$504Average$666FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$681FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$557Average$934FlexibilityNo cancel feeOn-time76%
LOTCheapest$562Average$956FlexibilityNo cancel feeOn-time81%
KLMCheapest$568Average$891FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$569Average$749FlexibilityNo cancel feeOn-time77%
DeltaCheapest$575Average$992FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$575Average$804FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$595Average$973FlexibilityNo cancel feeOn-time69%

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