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$338+ 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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Mar 18 — Mar 251
Wed 3/18
Wed 3/25
1 adult, Economy
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Cheap 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 February 16, 2026.

This FlightHub deal was found by Cheapflights users on 2/16. 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 9/228:20 am
OTP
-
ORD
1 stop14h 50m
LOT
Thu 10/229:50 pm
ORD
-
OTP
1 stop17h 25m
LOT
Deal found 2/16$628
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Tue 9/228:20 am
OTP
-
ORD
1 stop14h 50m
LOT
Tue 10/209:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
Deal found 2/13$629
This Kiwi.com deal was found by Cheapflights users on 2/13. 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 4/46:30 pm
OTP
-
ORD
1 stop33h 20m
LOT
Fri 4/179:50 pm
ORD
-
OTP
1 stop32h 00m
LOT
Deal found 2/13$630
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Wed 3/2510:05 am
CLJ
-
ORD
2 stops21h 17m
Multiple Airlines
Wed 9/22:20 pm
ORD
-
CLJ
1 stop11h 40m
Multiple Airlines
Deal found 2/13$633
This Booking.com deal was found by Cheapflights users on 2/14. 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 5/132:35 pm
OTP
-
ORD
1 stop32h 35m
LOT
Thu 7/165:10 pm
ORD
-
OTP
1 stop12h 40m
LOT
Deal found 2/14$634
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 9/2412:20 pm
OTP
-
ORD
2 stops37h 30m
Multiple Airlines
Mon 10/193:35 pm
ORD
-
OTP
1 stop12h 25m
Multiple Airlines
Deal found 2/16$637
This FlightHub deal was found by Cheapflights users on 2/16. 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 9/216:30 pm
OTP
-
ORD
1 stop28h 40m
LOT
Thu 10/229:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
Deal found 2/16$638
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Thu 9/2412:20 pm
OTP
-
ORD
2 stops37h 30m
Multiple Airlines
Sun 10/189:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Deal found 2/13$640
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Sun 9/209:00 am
OTP
-
ORD
Nonstop10h 50m
Multiple Airlines
Mon 10/199:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Deal found 2/13$648
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Thu 8/69:00 am
OTP
-
ORD
Nonstop10h 50m
Multiple Airlines
Tue 9/19:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Deal found 2/13$649
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Tue 3/318:25 pm
CLJ
-
ORD
2 stops35h 57m
Multiple Airlines
Wed 8/263:35 pm
ORD
-
CLJ
1 stop13h 35m
Multiple Airlines
Deal found 2/13$657
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Tue 3/318:25 pm
CLJ
-
ORD
2 stops35h 57m
Multiple Airlines
Wed 9/22:20 pm
ORD
-
CLJ
1 stop11h 40m
Multiple Airlines
Deal found 2/13$659

Find flight deals from Romania to Illinois

Keep the following information in mind while searching for Romania to Illinois flight deals. Data was last updated February 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$628
(Kiwi.com)

One-way from

$338
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$715

Good round-trip deal

$462 or less
Provider with most accurate pricing for Bucharest (BUH)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago (CHI) flights.
Search Deals
From Romania to Illinois
Search Deals
One-way flight from Romania to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Romania to Illinois.
Search Deals

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 February 16, 2026.
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

Sat 4/4

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Fri 4/17

9:50 pm-1:50 pm

1 stop32h 00m

$631

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 3/31

8:25 pm-12:22 am

2 stops35h 57m

Chicago O'Hare Intl

Wed 8/26

3:35 pm-1:10 pm

1 stop13h 35m

$657

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/4

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Thu 7/30

5:10 pm-1:50 am

1 stop24h 40m

$659

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

6:00 am-2:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Tue 4/7

10:40 am-12:45 pm

2 stops18h 05m

$669

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

6:00 pm-3:20 pm

1 stop28h 20m

Chicago O'Hare Intl

Tue 5/5

5:10 pm-3:50 pm

1 stop14h 40m

$669

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

1:55 pm-3:20 pm

1 stop32h 25m

Chicago O'Hare Intl

Tue 4/28

5:10 pm-11:25 pm

1 stop22h 15m

$670

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

6:05 am-4:10 pm

1 stop17h 05m

Chicago O'Hare Intl

Tue 4/28

11:08 am-12:45 pm

2 stops17h 37m

$675

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sun 3/1

6:05 am-6:40 pm

2 stops20h 35m

Chicago Midway

Mon 3/16

9:35 am-1:00 pm

2 stops20h 25m

$686

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 3/31

8:25 pm-12:22 am

2 stops35h 57m

Chicago O'Hare Intl

Wed 9/2

2:20 pm-10:00 am

1 stop11h 40m

$702

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 3/30

7:00 am-8:01 am

2 stops33h 01m

Chicago O'Hare Intl

Wed 9/2

2:20 pm-10:00 am

1 stop11h 40m

$702

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 60 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 $460). Flying from Romania to Illinois in December is currently the most expensive (average of $630). 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.

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 February 16, 2026.
See what other customers who have flown with KLM, LOT, and United 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
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,455 reviews
KLM
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
LOT
7.5
Good
1,181 reviews
KLM
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,306 reviews
KLM
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,220 reviews
KLM
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,786 reviews
KLM
7.7
Good
1,455 reviews

Comfort

7.6

Boarding

7.8

Entertainment

7.1

Crew

8.4

Food

7.3

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Romania to Illinois?

    There are many flights that can get you from Romania to Illinois in 16h 20m. Fly via LOT, Delta, or United Airlines to get the fastest option. The distance from Romania to Illinois is about 5198 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $364 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on Turkish Airlines and British Airways, with prices starting from $459 and $479, respectively.

  • 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 $460). Flying from Romania to Illinois in December is currently the most expensive (average of $630). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Romania to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to John F Kennedy Intl flights
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Geneva to Newark flights
Gatwick to LaGuardia flights
Vienna to John F Kennedy Intl flights
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Leonardo da Vinci/Fiumicino to John F Kennedy Intl flights
Vienna to Newark flights
Berlin to John F Kennedy Intl flights
Charles de Gaulle to San Francisco flights
Heathrow to Boston flights

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 February 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$736FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$581Average$671FlexibilityNo cancel feeOn-time70%
LOTCheapest$587Average$707FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$595Average$595FlexibilityNo cancel feeOn-time71%
SWISSCheapest$602Average$661FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$604Average$822FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$609Average$842FlexibilityNo cancel feeOn-time76%
KLMCheapest$612Average$834FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$621Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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