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$405+ Cheap flights from Romania to Chicago (CHI)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — CHI
Dec 17 — Dec 241
Wed 12/17
Wed 12/24
1 adult, Economy
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Find flight deals from Romania to Chicago

Cheapest flights from Romania to Chicago
Explore the most affordable flight options available from Romania to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 17, 2025.

This Mytrip deal was found by Cheapflights users on 11/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:30 pmOTP - ORD
2 stops32h 15mMultiple Airlines
Fri 1/96:30 pmORD - OTP
2 stops22h 20mMultiple Airlines
Deal found 11/16$660
This United Airlines deal was found by Cheapflights users on 11/17. 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 11/256:00 amSBZ - ORD
2 stops34h 02mUnited Airlines
Mon 12/86:15 pmORD - SBZ
2 stops16h 00mUnited Airlines
Deal found 11/17$666
This Booking.com deal was found by Cheapflights users on 11/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:55 amOTP - ORD
1 stop15h 15mLufthansa
Fri 1/94:20 pmORD - OTP
1 stop13h 50mLufthansa
Deal found 11/16$667
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/65:55 amOTP - ORD
1 stop17h 25mUnited Airlines
Fri 1/96:17 pmORD - OTP
2 stops21h 33mUnited Airlines
Deal found 11/16$672
This LOT deal was found by Cheapflights users on 11/16. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/61:55 pmCLJ - ORD
1 stop14h 05mLOT
Fri 1/239:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 11/16$675
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Mon 12/156:00 amCLJ - ORD
2 stops33h 42mUnited Airlines
Sat 1/176:17 pmORD - CLJ
2 stops35h 23mUnited Airlines
Deal found 11/17$683
This United Airlines deal was found by Cheapflights users on 11/17. 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 11/256:00 amSBZ - ORD
2 stops34h 02mUnited Airlines
Tue 12/93:20 pmORD - SBZ
2 stops14h 25mUnited Airlines
Deal found 11/17$690
This Iberia deal was found by Cheapflights users on 11/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amOTP - ORD
1 stop18h 45mMultiple Airlines
Wed 1/71:34 pmORD - OTP
2 stops18h 11mMultiple Airlines
Deal found 11/16$697
This Lufthansa deal was found by Cheapflights users on 11/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:55 amOTP - ORD
1 stop17h 25mLufthansa
Sun 12/289:50 pmORD - OTP
1 stop19h 15mLufthansa
Deal found 11/16$698
This Lufthansa deal was found by Cheapflights users on 11/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:55 amOTP - ORD
1 stop13h 15mLufthansa
Wed 12/319:50 pmORD - OTP
1 stop19h 15mLufthansa
Deal found 11/16$700
This SWISS deal was found by Cheapflights users on 11/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:50 amCLJ - ORD
1 stop13h 30mSWISS
Sat 2/216:50 pmORD - CLJ
1 stop11h 40mSWISS
Deal found 11/16$700
This United Airlines deal was found by Cheapflights users on 11/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:55 amOTP - ORD
1 stop13h 15mUnited Airlines
Fri 1/93:20 pmORD - OTP
1 stop14h 50mUnited Airlines
Deal found 11/16$701

Cheap flight deals from Romania to Chicago

Keep the following information in mind while searching for Romania to Chicago flight deals. Data was last updated November 17, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$649
(FlightHub)

One-way from

$405
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$814
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 Chicago (CHI)
Search Deals
One-way flight from Romania to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Romania to Chicago 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 November 17, 2025.
Use the filters below to find and compare flights from Romania to Chicago that are best for you.

Fly from

Romania

Fly to

Chicago

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 2/21

5:55 am-1:10 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 3/1

10:35 pm-11:50 pm

1 stop17h 15m

$661

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Fri 1/23

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Thu 2/12

6:00 pm-1:45 pm

1 stop11h 45m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Fri 1/23

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Wed 2/11

9:50 pm-6:15 pm

1 stop12h 25m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Thu 1/22

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Mon 2/9

6:00 pm-6:15 pm

1 stop16h 15m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Fri 1/23

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Fri 2/13

9:50 pm-6:15 pm

1 stop12h 25m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Thu 1/22

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Fri 2/13

9:50 pm-6:15 pm

1 stop12h 25m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Thu 1/22

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Sat 2/7

6:00 pm-1:45 pm

1 stop11h 45m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Fri 1/23

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Sat 2/7

6:00 pm-1:45 pm

1 stop11h 45m

$662

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Thu 1/22

6:00 am-6:15 pm

2 stops20h 15m

Chicago O'Hare Intl

Tue 2/10

1:55 pm-1:45 pm

2 stops15h 50m

$669

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-8:10 pm

2 stops21h 15m

Chicago O'Hare Intl

Tue 5/5

9:40 pm-1:00 am

1 stop19h 20m

$670

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 48 results
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Best time to book a flight from Romania to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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 Chicago

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

Currently, July is the cheapest month in which you can book a flight from Romania to Chicago (average of $353). Flying from Romania to Chicago in January is currently the most expensive (average of $625). 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 CHI?

Find hourly flight availability from Romania to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 17, 2025.

It’s typically best to fly out from Romania to Chicago in the afternoon. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated November 17, 2025.
Peruse reviews from past customers who have flown with KLM, LOT, and Turkish Airlines from Romania to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
LOT
7.5
Good
1,134 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,047 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,576 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,528 reviews
KLM
7.7
Good
1,411 reviews

Comfort

7.7

Crew

8.4

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Romania to Chicago. 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 Chicago?

    Lufthansa, United Airlines, and Delta can get you from Romania to Chicago in just under 15h 15m. Your travel time can differ by up to 5h 10m. Airlines will cover a distance of 5198 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Romania to Chicago?

    When deciding which route to take from Romania to Chicago consider Bucharest Otopeni Intl - Chicago O'Hare Intl, Cluj Napoca - Chicago O'Hare Intl or Bucharest Otopeni Intl - Chicago Midway as they are the most popular.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Romania to Chicago (average of $353). Flying from Romania to Chicago in January is currently the most expensive (average of $625). 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

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Hammond
Porter
Benton Harbor
Merrillville

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Alternative routes for Romania to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Bergamo to O'Hare Intl flights
Madrid to Midway flights
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Frankfurt to St. Louis flights
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Bruxelles-National to Midway flights
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Top 10 airlines flying from Romania to Chicago

Discover the top 10 airlines that operate flights from Romania to Chicago. 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 November 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$761FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$554Average$855FlexibilityNo cancel feeOn-time76%
SWISSCheapest$565Average$691FlexibilityNo cancel feeOn-time79%
KLMCheapest$570Average$740FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$796FlexibilityNo cancel feeOn-time69%
LOTCheapest$573Average$714FlexibilityNo 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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