In terms of precipitation, rainfall in Romania ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Romania when rainfall is around 0.8 in.

If weather is an important factor for your trip to Romania, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

How far in advance should I book a flight from Illinois to Romania?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 13 days in advance, which can save you up to 21% on flights from Illinois to Romania compared to booking the week you need them. Waiting 13 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $506. For sooner than that we have options available in the next 3 days from $813.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, February can be a great choice for travel to Romania. Flights to Romania from Illinois in February are about $766 on average during February, but can be found for as low as $485.

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.

$251+ Flights from Illinois to Romania

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Illinois to Romania 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 Illinois to Romania

Round-trip from	$554 (FlightHub)
One-way from	$251 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$719

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 ($298 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 August 17, 2025.

Mon 9/811:45 pmORD - OTP

1 stop24h 25mTurkish Airlines

Wed 9/249:45 pmOTP - ORD

1 stop19h 55mTurkish Airlines

Deal found 8/17

$554

Fri 9/1911:25 amORD - OTP

1 stop25h 00mTurkish Airlines

Mon 9/299:35 amOTP - ORD

1 stop20h 25mTurkish Airlines

Deal found 8/16

$555

Mon 11/39:55 pmORD - OTP

1 stop31h 55mLOT

Mon 11/176:25 pmOTP - ORD

1 stop33h 35mLOT

Deal found 8/16

$556

Mon 9/811:45 pmORD - OTP

1 stop30h 50mTurkish Airlines

Mon 9/229:45 pmOTP - ORD

1 stop19h 55mTurkish Airlines

Deal found 8/15

$564

Wed 10/229:40 pmORD - OTP

1 stop17h 30mLOT

Sat 11/15:35 amOTP - ORD

1 stop22h 25mLOT

Deal found 8/16

$567

Wed 11/59:55 pmORD - OTP

1 stop11h 45mLOT

Tue 11/182:35 pmOTP - ORD

1 stop13h 25mLOT

Deal found 8/16

$571

Fri 11/148:20 pmORD - OTP

1 stop33h 50mTurkish Airlines

Fri 11/283:30 pmOTP - ORD

1 stop26h 35mTurkish Airlines

Deal found 8/16

$573

Tue 9/167:15 pmORD - OTP

1 stop16h 45mScandinavian Airlines

Sun 9/289:25 pmOTP - ORD

2 stops48h 18mScandinavian Airlines

Deal found 8/16

$574

Tue 10/77:25 pmORD - OTP

2 stops21h 35mMultiple Airlines

Tue 10/216:45 pmOTP - ORD

2 stops31h 30mMultiple Airlines

Deal found 8/15

$575

Fri 11/149:45 pmORD - OTP

1 stop17h 40mBritish Airways

Fri 11/214:45 pmOTP - ORD

1 stop29h 05mBritish Airways

Deal found 8/17

$577

Tue 11/411:50 amORD - OTP

1 stop24h 40mTurkish Airlines

Wed 11/1910:10 amOTP - ORD

1 stop16h 15mTurkish Airlines

Deal found 8/16

$580

Sat 11/89:45 pmORD - OTP

1 stop18h 00mBritish Airways

Fri 11/218:00 amOTP - ORD

1 stop18h 45mBritish Airways

Deal found 8/16

$582

Best flights from Illinois to Romania
Discover carefully curated flight deals from Illinois to Romania that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2025.

Thu 11/1311:50 amORD - OTP

1 stop13h 00mTurkish Airlines

Tue 12/29:50 pmOTP - ORD

1 stop20h 15mTurkish Airlines

Deal found 8/15

$554

Mon 1/121:12 pmORD - OTP

2 stops15h 18mMultiple Airlines

Mon 1/266:30 amOTP - ORD

1 stop17h 50mMultiple Airlines

Deal found 8/15

$555

Tue 1/136:50 pmORD - OTP

1 stop12h 55mSWISS

Tue 1/276:30 amOTP - ORD

1 stop17h 50mSWISS

Deal found 8/16

$560

Tue 1/139:55 pmORD - OTP

1 stop11h 45mLOT

Tue 1/276:25 pmOTP - ORD

1 stop33h 35mLOT

Deal found 8/16

$571

Wed 12/34:20 pmORD - IAS

1 stop15h 00mAustrian Airlines

Sun 12/74:05 pmIAS - ORD

1 stop29h 55mAustrian Airlines

Deal found 8/15

$591

Wed 12/34:20 pmORD - IAS

2 stops39h 00mLufthansa

Sun 12/74:05 pmIAS - ORD

2 stops36h 00mLufthansa

Deal found 8/16

$635

Fri 1/99:30 amMDW - OTP

2 stops20h 20mDelta

Fri 1/166:05 amOTP - MDW

2 stops20h 29mDelta

Deal found 8/17

$644

Sun 11/307:15 amORD - CLJ

2 stops22h 25mAir Canada

Sat 1/106:00 amCLJ - ORD

2 stops19h 28mAir Canada

Deal found 8/17

$657

Wed 11/125:58 pmSTL - OTP

2 stops21h 32mBritish Airways

Sun 11/167:35 amOTP - STL

2 stops22h 54mBritish Airways

Deal found 8/16

$662

Mon 12/229:12 pmORD - CLJ

2 stops32h 28mUnited Airlines

Fri 1/96:00 amCLJ - ORD

1 stop20h 25mUnited Airlines

Deal found 8/17

$668

Mon 9/811:45 pmORD - OTP

1 stop24h 25mTurkish Airlines

Wed 9/249:45 pmOTP - ORD

1 stop19h 55mTurkish Airlines

Deal found 8/15

$554

Thu 11/611:50 amORD - OTP

1 stop13h 00mTurkish Airlines

Wed 11/1210:10 amOTP - ORD

1 stop16h 15mTurkish Airlines

Deal found 8/17

$554

Last-minute flights from Illinois to Romania
Discover last-minute flight deals from Illinois to Romania. Data last updated August 17, 2025 and is based on user searches.

Sun 8/173:35 pmORD - OTP

1 stop19h 00mUnited Airlines

Mon 8/256:05 amOTP - ORD

2 stops25h 10mUnited Airlines

Deal found 8/16

$605

Sat 8/237:05 pmORD - CLJ

1 stop11h 45mMultiple Airlines

Sun 8/311:45 pmCLJ - ORD

1 stop12h 30mMultiple Airlines

Deal found 8/16

$770

Sat 8/237:05 pmORD - CLJ

1 stop11h 45mSWISS

Mon 9/13:20 pmCLJ - ORD

1 stop32h 35mSWISS

Deal found 8/16

$780

Sat 8/232:32 pmORD - CLJ

2 stops18h 48mUnited Airlines

Sun 8/311:45 pmCLJ - ORD

1 stop12h 30mUnited Airlines

Deal found 8/16

$790

Sat 8/2310:43 amORD - CLJ

2 stops22h 37mUnited Airlines

Mon 9/16:00 amCLJ - ORD

2 stops25h 15mUnited Airlines

Deal found 8/16

$800

Sun 8/247:50 pmORD - OTP

1 stop16h 30mTurkish Airlines

Mon 9/89:40 amOTP - ORD

1 stop20h 20mTurkish Airlines

Deal found 8/15

$738

Sun 8/246:00 pmORD - CLJ

1 stop15h 15mLufthansa

Mon 9/16:05 pmCLJ - ORD

1 stop26h 25mLufthansa

Deal found 8/17

$777

Sun 8/246:00 pmORD - CLJ

1 stop15h 15mUnited Airlines

Mon 9/16:00 amCLJ - ORD

2 stops25h 15mUnited Airlines

Deal found 8/17

$795

Sun 8/243:00 pmORD - OTP

1 stop17h 05mITA Airways

Fri 9/2610:50 amOTP - ORD

1 stop34h 20mITA Airways

Deal found 8/17

$810

Tue 8/2611:25 amORD - OTP

1 stop19h 10mTurkish Airlines

Fri 9/129:55 pmOTP - ORD

1 stop19h 45mTurkish Airlines

Deal found 8/15

$809

Tue 8/2611:25 amORD - OTP

1 stop19h 10mTurkish Airlines

Tue 9/99:45 pmOTP - ORD

1 stop19h 55mTurkish Airlines

Deal found 8/16

$824

Wed 8/2711:45 pmORD - OTP

1 stop24h 25mTurkish Airlines

Mon 9/19:45 pmOTP - ORD

1 stop19h 55mTurkish Airlines

Deal found 8/15

$590

One-way flights from Illinois to Romania
Search for one-way flight options from Illinois to Romania. Find affordable one-way fares based on user searches. Data last updated August 17, 2025.

Tue 9/96:30 amORD - OTP

3 stops47h 05mMultiple Airlines

Deal found 8/17

$251

Sat 9/66:44 pmORD - OTP

3 stops58h 51mMultiple Airlines

Deal found 8/15

$252

Mon 9/811:13 amORD - OTP

2 stops42h 22mMultiple Airlines

Deal found 8/17

$257

Mon 9/155:10 amORD - OTP

3 stops36h 25mMultiple Airlines

Deal found 8/17

$258

Sun 9/76:21 amMDW - OTP

3 stops54h 34mMultiple Airlines

Deal found 8/17

$281

Sun 9/75:10 amORD - OTP

3 stops48h 25mMultiple Airlines

Deal found 8/17

$282

Fri 9/55:10 amORD - OTP

3 stops32h 15mMultiple Airlines

Deal found 8/15

$306

Mon 9/111:45 pmORD - OTP

2 stops41h 50mMultiple Airlines

Deal found 8/15

$308

Wed 9/105:05 amORD - OTP

3 stops32h 10mMultiple Airlines

Deal found 8/17

$310

Mon 9/81:49 pmMDW - OTP

3 stops27h 01mMultiple Airlines

Deal found 8/17

$379

Sat 9/271:26 pmSTL - OTP

2 stops23h 09mScandinavian Airlines

Deal found 8/17

$467

Fri 8/221:08 pmMDW - OTP

2 stops15h 47mDelta

Deal found 8/17

$477

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/13

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Tue 12/2

9:50 pm-10:05 am

1 stop20h 15m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Wed 9/24

9:45 pm-9:40 am

1 stop19h 55m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/6

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Wed 11/12

10:10 am-6:25 pm

1 stop16h 15m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/13

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Mon 10/20

3:55 pm-10:00 pm

1 stop14h 05m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/12

1:12 pm-12:30 pm

2 stops15h 18m

Bucharest Otopeni Intl

Mon 1/26

6:30 am-4:20 pm

1 stop17h 50m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 9/19

11:25 am-8:25 pm

1 stop25h 00m

Bucharest Otopeni Intl

Mon 9/29

9:35 am-10:00 pm

1 stop20h 25m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/5

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Sun 10/19

9:55 pm-10:00 pm

1 stop32h 05m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 1/13

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 1/27

6:30 am-4:20 pm

1 stop17h 50m

$560

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 1/13

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Tue 1/27

6:25 pm-8:00 pm

1 stop33h 35m

$571

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Wed 12/3

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Sun 12/7

4:05 pm-2:00 pm

1 stop29h 55m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 52 results

...

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, November is the cheapest month in which you can book a flight from Illinois to Romania (average of $604). Flying from Illinois to Romania in June is currently the most expensive (average of $1,134). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Romania as you normally would.

Related info for your journey

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, November is the cheapest month in which you can book a flight from Illinois to Romania (average of $604). Flying from Illinois to Romania in June is currently the most expensive (average of $1,134). 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

Top 10 airlines flying from Illinois to Romania

Airline	Cheapest	Average	Flexibility	On-time
Scandinavian Airlines	Cheapest$385	Average$753	FlexibilityNo cancel fee	On-time77%
SWISS	Cheapest$500	Average$841	FlexibilityNo cancel fee	On-time79%
Turkish Airlines	Cheapest$503	Average$709	FlexibilityNo cancel fee	On-time77%
Austrian Airlines	Cheapest$517	Average$717	FlexibilityNo cancel fee	On-time78%
LOT	Cheapest$535	Average$885	FlexibilityNo cancel fee	On-time81%
British Airways	Cheapest$544	Average$719	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$545	Average$950	FlexibilityNo cancel fee	On-time76%
Air France	Cheapest$580	Average$749	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$582	Average$987	FlexibilityNo cancel fee	On-time75%
United Airlines	Cheapest$588	Average$847	FlexibilityNo cancel fee	On-time69%

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.

$251+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Romania with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 August 17, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Romania

Cheapest flights from Illinois to RomaniaExplore 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 August 17, 2025.

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 August 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Illinois to Romania that are best for you.

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.

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?

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 August 17, 2025.

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.

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

How can I find direct flights from Illinois to Romania?

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

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

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 Illinois to Romania

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Romania

100% Free

Book with Flexibility

Travel Smart

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 August 17, 2025.