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$356+ Cheap flights from Romania to Illinois

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Romania to Illinois

Keep the following information in mind while searching for Romania to Illinois flight deals. Data was last updated August 14, 2025.

Round-trip from

$634
(Kiwi.com)

One-way from

$356
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$759
From Romania to Illinois
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One-way flight from Romania to Illinois
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Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Romania to Illinois

Cheapest flights from Romania to Illinois
Explore the most affordable flight options available from Romania to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This oojo deal was found by Cheapflights users on 8/13. 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.
Fri 11/212:35 pmOTP - ORD
1 stop13h 25mLOT
Sat 11/299:55 pmORD - OTP
1 stop11h 45mLOT
Deal found 8/13$630
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:35 amOTP - ORD
1 stop22h 25mLOT
Tue 12/99:55 pmORD - OTP
1 stop17h 20mLOT
Deal found 8/13$631
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Sat 10/49:30 amOTP - ORD
1 stop20h 41mMultiple Airlines
Sat 10/1811:12 amORD - OTP
2 stops24h 13mMultiple Airlines
Deal found 8/13$634
This Billigflug deal was found by Cheapflights users on 8/12. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:25 amOTP - ORD
1 stop16h 35mMultiple Airlines
Fri 10/34:54 pmORD - OTP
2 stops18h 11mMultiple Airlines
Deal found 8/12$638
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amSBZ - ORD
1 stop16h 10mLufthansa
Mon 11/106:00 pmORD - SBZ
1 stop16h 15mLufthansa
Deal found 8/13$648
This Trip.com deal was found by Cheapflights users on 8/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
Sun 9/147:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Deal found 8/13$649
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Wed 12/36:05 amOTP - ORD
2 stops16h 50mMultiple Airlines
Tue 12/99:50 pmORD - OTP
1 stop12h 45mMultiple Airlines
Deal found 8/13$652
This KLM deal was found by Cheapflights users on 8/12. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:00 amOTP - ORD
1 stop16h 20mMultiple Airlines
Sat 11/295:20 pmORD - OTP
1 stop18h 50mMultiple Airlines
Deal found 8/12$653
This oojo deal was found by Cheapflights users on 8/12. 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.
Mon 8/259:50 pmOTP - ORD
1 stop26h 20mScandinavian Airlines
Sun 9/147:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Deal found 8/12$654
This oojo deal was found by Cheapflights users on 8/13. 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.
Mon 9/89:50 pmOTP - ORD
1 stop26h 20mScandinavian Airlines
Sun 9/147:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Deal found 8/13$655
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 9/68:25 amOTP - ORD
1 stop14h 25mAmerican Airlines
Sat 9/204:55 pmORD - OTP
1 stop13h 05mAmerican Airlines
Deal found 8/12$656
This Lufthansa deal was found by Cheapflights users on 8/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:55 pmSBZ - ORD
1 stop30h 35mLufthansa
Wed 10/89:40 pmORD - SBZ
1 stop11h 40mLufthansa
Deal found 8/13$657

Cheapflights Fare Finder

 
Customize your flight search to find flights from Romania to Illinois 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 August 14, 2025.
Use the filters below to find and compare flights from Romania to Illinois that are best for you.

Fly from

Romania

Fly to

Illinois

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

2:35 pm-8:00 pm

1 stop13h 25m

Chicago O'Hare Intl

Sat 11/29

9:55 pm-5:40 pm

1 stop11h 45m

$630

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 12/3

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Tue 12/9

9:55 pm-11:15 pm

1 stop17h 20m

$631

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 10/4

9:30 am-10:11 pm

1 stop20h 41m

Chicago O'Hare Intl

Sat 10/18

11:12 am-7:25 pm

2 stops24h 13m

$634

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/26

8:25 am-5:00 pm

1 stop16h 35m

Chicago O'Hare Intl

Fri 10/3

4:54 pm-7:05 pm

2 stops18h 11m

$638

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Thu 11/6

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Mon 11/10

9:50 pm-6:15 pm

1 stop12h 25m

$648

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 9/7

9:25 pm-4:10 pm

1 stop26h 45m

Chicago O'Hare Intl

Sun 9/14

7:15 pm-9:10 pm

1 stop17h 55m

$649

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 12/3

6:05 am-2:55 pm

2 stops16h 50m

Chicago O'Hare Intl

Tue 12/9

9:50 pm-6:35 pm

1 stop12h 45m

$652

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 12/3

6:05 am-2:55 pm

2 stops16h 50m

Chicago O'Hare Intl

Tue 12/9

3:55 pm-3:45 pm

2 stops15h 50m

$653

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

6:00 am-2:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Sat 11/29

5:20 pm-8:10 pm

1 stop18h 50m

$653

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 8/25

9:50 pm-4:10 pm

1 stop26h 20m

Chicago O'Hare Intl

Sun 9/14

7:15 pm-9:10 pm

1 stop17h 55m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 49 results
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Best time to book a flight from Romania to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Romania to Illinois (average of $245). Flying from Romania to Illinois in March is currently the most expensive (average of $321). 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 RO to IL?

Find hourly flight availability from Romania to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Romania to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated August 14, 2025.
See what other customers who have flown with KLM, LOT, and Turkish Airlines from Romania to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,381 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,107 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,940 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,317 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,266 reviews
KLM
7.8
Good
1,381 reviews

Crew

8.4

Entertainment

7.1

Food

7.3

Boarding

7.8

Comfort

7.7

Overall

7.8

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Romania to Illinois. 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 Romania to Illinois that include hotel bookings?

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Romania to Illinois (average of $245). Flying from Romania to Illinois in March is currently the most expensive (average of $321). 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 Romania to Illinois

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

Discover the top 10 airlines that operate flights from Romania to Illinois. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$747FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$552Average$842FlexibilityNo cancel feeOn-time76%
SWISSCheapest$565Average$646FlexibilityNo cancel feeOn-time79%
KLMCheapest$570Average$700FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$753FlexibilityNo cancel feeOn-time69%
LOTCheapest$573Average$706FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$581Average$695FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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