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$186+ 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 22 — Mar 11
Sun 2/22
Sun 3/1
1 adult, Economy
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Cheap 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 23, 2026.

This Air Canada deal was found by Cheapflights users on 1/22. 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.
Sun 11/223:55 pm
ORD
-
OTP
2 stops39h 55m
Air Canada
Thu 12/36:30 am
OTP
-
ORD
2 stops21h 40m
Air Canada
Deal found 1/22$498
This Air Canada deal was found by Cheapflights users on 1/22. 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.
Sat 11/216:40 pm
ORD
-
OTP
2 stops40h 00m
Air Canada
Tue 12/86:30 am
OTP
-
ORD
2 stops33h 35m
Air Canada
Deal found 1/22$499
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Sun 11/2210:35 pm
ORD
-
OTP
1 stop12h 05m
United Airlines
Mon 12/77:10 pm
OTP
-
ORD
2 stops31h 37m
United Airlines
Deal found 1/22$500
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 2/126:22 pm
ORD
-
OTP
2 stops17h 08m
American Airlines
Tue 2/178:00 am
OTP
-
ORD
2 stops19h 40m
American Airlines
Deal found 1/22$503
This Air Canada deal was found by Cheapflights users on 1/22. 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.
Sat 11/216:40 pm
ORD
-
OTP
2 stops40h 00m
Air Canada
Fri 12/46:30 am
OTP
-
ORD
2 stops21h 05m
Air Canada
Deal found 1/22$504
This British Airways deal was found by Cheapflights users on 1/22. 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.
Wed 3/44:10 pm
ORD
-
OTP
2 stops15h 35m
British Airways
Sun 3/87:35 am
OTP
-
ORD
1 stop19h 10m
British Airways
Deal found 1/22$505
This KAYAK deal was found by Cheapflights users on 1/22. 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 11/226:50 pm
ORD
-
OTP
1 stop21h 40m
SWISS
Sun 12/64:40 pm
OTP
-
ORD
1 stop31h 40m
SWISS
Deal found 1/22$513
This KAYAK deal was found by Cheapflights users on 1/22. 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 11/226:50 pm
ORD
-
OTP
1 stop13h 00m
SWISS
Fri 11/276:30 am
OTP
-
ORD
1 stop17h 50m
SWISS
Deal found 1/22$514
This KAYAK deal was found by Cheapflights users on 1/22. 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 9/89:15 pm
ORD
-
OTP
1 stop20h 05m
British Airways
Fri 9/188:15 am
OTP
-
ORD
1 stop15h 40m
British Airways
Deal found 1/22$515
This KAYAK deal was found by Cheapflights users on 1/22. 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 11/229:50 pm
ORD
-
OTP
1 stop12h 45m
Lufthansa
Fri 12/46:05 am
OTP
-
ORD
2 stops15h 05m
Lufthansa
Deal found 1/22$516
This KAYAK deal was found by Cheapflights users on 1/21. 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.
Wed 3/46:18 pm
STL
-
OTP
2 stops21h 12m
British Airways
Wed 3/113:50 pm
OTP
-
STL
2 stops33h 03m
British Airways
Deal found 1/21$518
This FlightHub deal was found by Cheapflights users on 1/21. 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 1/2611:50 am
ORD
-
OTP
1 stop18h 20m
Turkish Airlines
Sun 2/13:30 pm
OTP
-
ORD
1 stop26h 35m
Turkish Airlines
Deal found 1/21$518

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$518
(KAYAK)

One-way from

$186
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$626

Good round-trip deal

$836 or less

Good one-way deal

$429 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. 25% potential increase in price ($262 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Romania.
Search Deals
Price to beat on a one-way 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 January 23, 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

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 3/4

5:10 pm-11:30 pm

1 stop22h 20m

Bucharest Otopeni Intl

Sun 3/8

7:35 am-6:45 pm

1 stop19h 10m

$500

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 3/7

10:15 pm-11:45 pm

2 stops41h 30m

Bucharest Otopeni Intl

Mon 3/23

4:00 pm-9:24 pm

2 stops36h 24m

$519

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 3/4

9:17 am-1:40 pm

2 stops20h 23m

Cluj Napoca

Sun 3/8

6:00 am-6:25 pm

1 stop20h 25m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/6

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Fri 5/22

6:15 am-2:00 pm

1 stop15h 45m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/6

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Tue 5/26

12:45 pm-6:15 pm

1 stop13h 30m

$530

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 3/2

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 6/11

6:00 am-12:30 pm

1 stop14h 30m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 3/1

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 5/14

6:00 am-12:30 pm

1 stop14h 30m

$533

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Sun 3/1

9:50 pm-12:55 am

1 stop19h 05m

Cluj Napoca

Thu 6/11

6:00 am-12:30 pm

1 stop14h 30m

$533

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 3/9

7:00 pm-6:35 pm

2 stops16h 35m

Bucharest Otopeni Intl

Sun 3/15

5:55 am-3:29 pm

2 stops40h 34m

$534

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Tue 5/5

1:55 pm-1:10 pm

2 stops15h 15m

Cluj Napoca

Tue 5/19

6:00 am-6:15 pm

1 stop20h 15m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

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 $332). 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 $522, British Airways can have you in Romania from Illinois in 12h 10m. Airlines will cover a distance of 5198 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 $332). 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$622FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$665FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$681FlexibilityNo cancel feeOn-time78%
KLMCheapest$541Average$888FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$558Average$907FlexibilityNo cancel feeOn-time76%
LOTCheapest$562Average$1,023FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$569Average$749FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$570Average$804FlexibilityNo cancel feeOn-time70%
DeltaCheapest$575Average$992FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$586Average$943FlexibilityNo cancel feeOn-time79%

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