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$253+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — OTP
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This CrystalTravel deal was found by Cheapflights users on 1/28. 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.
Thu 2/1911:50 am
ORD
-
OTP
1 stop13h 00m
Turkish Airlines
Thu 3/510:10 am
OTP
-
ORD
1 stop16h 15m
Turkish Airlines
Deal found 1/28$507
This oojo deal was found by Cheapflights users on 1/28. 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.
Tue 4/2810:07 am
ORD
-
OTP
2 stops31h 13m
British Airways
Tue 5/126:10 pm
OTP
-
ORD
1 stop32h 05m
British Airways
Deal found 1/28$509
This CrystalTravel deal was found by Cheapflights users on 1/28. 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 4/292:20 pm
ORD
-
CLJ
1 stop11h 40m
Multiple Airlines
Sat 5/96:00 am
CLJ
-
ORD
1 stop14h 35m
Multiple Airlines
Deal found 1/28$510
This Air France deal was found by Cheapflights users on 1/28. 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.
Tue 4/285:10 pm
ORD
-
OTP
1 stop21h 40m
Multiple Airlines
Wed 5/137:00 am
OTP
-
ORD
1 stop15h 30m
Multiple Airlines
Deal found 1/28$510
This Justfly.com deal was found by Cheapflights users on 1/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:10 pm
ORD
-
CLJ
1 stop16h 05m
Turkish Airlines
Thu 4/309:55 am
CLJ
-
ORD
1 stop31h 45m
Turkish Airlines
Deal found 1/27$511
This Flightnetwork deal was found by Cheapflights users on 1/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:55 pm
ORD
-
CLJ
1 stop31h 20m
LOT
Mon 3/96:00 pm
CLJ
-
ORD
1 stop34h 00m
LOT
Deal found 1/28$512
This FlightHub deal was found by Cheapflights users on 1/28. 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 4/2211:25 am
ORD
-
CLJ
1 stop13h 40m
Turkish Airlines
Wed 6/109:55 am
CLJ
-
ORD
1 stop16h 20m
Turkish Airlines
Deal found 1/28$513
This United Airlines deal was found by Cheapflights users on 1/28. 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 4/282:25 pm
ORD
-
OTP
2 stops20h 10m
United Airlines
Wed 5/136:05 am
OTP
-
ORD
1 stop12h 55m
United Airlines
Deal found 1/28$516
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 3/1710:50 pm
ORD
-
OTP
1 stop12h 45m
Lufthansa
Tue 3/311:50 pm
OTP
-
ORD
1 stop14h 05m
Lufthansa
Deal found 1/26$517
This Justfly.com deal was found by Cheapflights users on 1/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/188:20 pm
ORD
-
OTP
1 stop16h 10m
Turkish Airlines
Wed 3/410:10 am
OTP
-
ORD
1 stop16h 15m
Turkish Airlines
Deal found 1/27$518
This FlightHub deal was found by Cheapflights users on 1/27. 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 4/208:10 pm
ORD
-
OTP
1 stop16h 05m
Turkish Airlines
Sun 4/269:30 am
OTP
-
ORD
1 stop32h 10m
Turkish Airlines
Deal found 1/27$519
This Justfly.com deal was found by Cheapflights users on 1/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:10 pm
ORD
-
CLJ
1 stop28h 55m
Turkish Airlines
Fri 4/179:05 pm
CLJ
-
ORD
1 stop20h 35m
Turkish Airlines
Deal found 1/27$521

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$507
(CrystalTravel)

One-way from

$253
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$626

Good round-trip deal

$812 or less

Good one-way deal

$419 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. 18% potential increase in price ($173 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 29, 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

Tue 5/5

11:17 am-1:10 pm

2 stops17h 53m

Cluj Napoca

Tue 5/12

6:00 am-6:15 pm

1 stop20h 15m

$512

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/23

8:20 pm-8:50 am

1 stop28h 30m

Bucharest Otopeni Intl

Wed 3/11

10:10 am-11:05 am

1 stop31h 55m

$527

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 4/22

1:00 pm-1:10 pm

2 stops16h 10m

Cluj Napoca

Fri 5/1

1:50 pm-6:15 pm

1 stop12h 25m

$538

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 4/16

2:25 pm-5:25 pm

2 stops19h 00m

Cluj Napoca

Thu 4/30

1:50 pm-6:15 pm

1 stop12h 25m

$538

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/28

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Sun 5/10

2:05 pm-7:55 pm

1 stop13h 50m

$540

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Mon 2/23

9:23 pm-1:40 pm

2 stops32h 17m

Cluj Napoca

Mon 3/9

6:00 am-7:25 pm

1 stop20h 25m

$543

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/28

10:20 am-1:00 pm

2 stops18h 40m

Bucharest Otopeni Intl

Sat 5/9

7:05 am-2:15 pm

1 stop15h 10m

$548

ChicagoSibiu

ORD - SBZ

ORDSBZ

Chicago O'Hare Intl

Wed 3/4

12:50 pm-6:15 pm

2 stops21h 25m

Sibiu

Tue 3/17

7:00 pm-11:18 am

2 stops47h 18m

$550

ChicagoTimisoara

ORD - TSR

ORDTSR

Chicago O'Hare Intl

Tue 3/31

11:25 am-11:25 am

1 stop16h 00m

Timisoara

Tue 4/14

10:15 am-6:15 pm

1 stop16h 00m

$552

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 2/22

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Fri 3/13

6:55 am-3:00 pm

1 stop15h 05m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $512, United Airlines can have you in Romania from Illinois in 17h 53m. 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 $251 and $270 on Austrian Airlines and KLM, 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

Browse thousands of different options on Cheapflights for your next trip

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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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LaGuardia to Gatwick flights
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Dulles Intl to Charles de Gaulle flights
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LaGuardia to Leonardo da Vinci/Fiumicino flights
Seattle to Heathrow flights
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Baltimore to Heathrow flights
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San Francisco to Charles de Gaulle flights
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Newark to Lisbon flights
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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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$622FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$667FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$681FlexibilityNo cancel feeOn-time78%
KLMCheapest$541Average$887FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$553Average$803FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$558Average$920FlexibilityNo cancel feeOn-time76%
LOTCheapest$562Average$935FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$569Average$749FlexibilityNo cancel feeOn-time77%
DeltaCheapest$575Average$992FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$586Average$935FlexibilityNo cancel feeOn-time79%

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