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$344+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — CHI
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This deal was found by Cheapflights users on 12/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Fri 1/169:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 12/10$690
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Thu 1/299:55 pmORD - CLJ
1 stop11h 25mLOT
Deal found 12/11$714
This deal was found by Cheapflights users on 12/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:55 pmCLJ - ORD
1 stop14h 05mLOT
Fri 1/309:55 pmORD - CLJ
1 stop11h 40mLOT
Deal found 12/11$715
This Booking.com deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:55 amOTP - ORD
1 stop15h 15mMultiple Airlines
Thu 1/84:10 pmORD - OTP
1 stop15h 40mMultiple Airlines
Deal found 12/11$720
This SWISS deal was found by Cheapflights users on 12/10. 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.
Mon 12/223:25 pmCLJ - ORD
1 stop32h 55mSWISS
Sat 1/314:10 pmORD - CLJ
1 stop14h 20mSWISS
Deal found 12/10$723
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/242:30 pmSBZ - ORD
2 stops25h 17mUnited Airlines
Tue 5/199:37 pmORD - SBZ
2 stops35h 33mUnited Airlines
Deal found 12/11$725
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:55 amOTP - ORD
1 stop15h 15mUnited Airlines
Thu 1/810:54 amORD - OTP
2 stops19h 11mUnited Airlines
Deal found 12/11$725
This Lufthansa deal was found by Cheapflights users on 12/10. 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 12/236:00 amCLJ - ORD
1 stop16h 10mMultiple Airlines
Sat 1/316:50 pmORD - CLJ
1 stop11h 40mMultiple Airlines
Deal found 12/10$727
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:50 amCLJ - ORD
1 stop13h 30mMultiple Airlines
Thu 2/129:50 pmORD - CLJ
1 stop19h 05mMultiple Airlines
Deal found 12/10$728
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/236:00 amCLJ - ORD
1 stop16h 10mUnited Airlines
Sat 1/3110:52 amORD - CLJ
2 stops18h 48mUnited Airlines
Deal found 12/10$731
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/242:25 pmCLJ - ORD
2 stops29h 21mUnited Airlines
Mon 2/26:00 pmORD - CLJ
1 stop11h 40mUnited Airlines
Deal found 12/10$736
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/236:00 amCLJ - ORD
2 stops25h 44mUnited Airlines
Wed 1/218:58 pmORD - CLJ
2 stops32h 42mUnited Airlines
Deal found 12/11$737

Find flight deals from Romania to Chicago

Keep the following information in mind while searching for Romania to Chicago flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$582

One-way from

$344
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$763

Good round-trip deal

$469 or less

Good one-way deal

$249 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 Chicago (CHI)
Search Deals
One-way flight from Romania to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($77 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 December 2025
Search Deals
Price to beat on a round-trip flight from Romania to Chicago (CHI).
Search Deals
Price to beat on a one-way flight from Romania to Chicago (CHI).
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 December 12, 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

Sun 2/1

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Tue 3/31

9:50 pm-1:50 am

1 stop20h 00m

$641

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

9:50 pm-10:05 am

1 stop20h 15m

Chicago O'Hare Intl

Sun 2/8

11:50 am-8:30 pm

1 stop24h 40m

$643

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/24

6:25 pm-7:55 pm

2 stops57h 30m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-11:15 pm

1 stop17h 20m

$663

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 1/23

4:30 am-5:20 pm

3 stops20h 50m

Chicago O'Hare Intl

Sat 1/31

6:30 pm-2:25 pm

3 stops35h 55m

$666

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/24

6:00 am-2:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Sat 1/31

10:24 am-12:05 pm

2 stops17h 41m

$687

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 1/25

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Sun 2/1

9:55 pm-1:45 am

2 stops19h 50m

$691

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sun 2/1

6:00 am-5:55 pm

2 stops19h 55m

Chicago Midway

Tue 3/31

10:49 am-12:10 pm

2 stops17h 21m

$692

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 1/24

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Fri 2/6

1:26 pm-1:50 pm

2 stops16h 24m

$692

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 1/24

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Sat 1/31

1:26 pm-1:00 pm

2 stops15h 34m

$698

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 1/29

6:00 am-5:55 pm

2 stops19h 55m

Chicago Midway

Wed 2/11

10:46 am-1:00 pm

2 stops18h 14m

$698

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 47 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 $642). 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 December 12, 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 December 12, 2025.
Peruse reviews from past customers who have flown with KLM, LOT, and United 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
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
LOT
7.6
Good
1,146 reviews
KLM
7.7
Good
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,094 reviews
KLM
7.7
Good
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,626 reviews
KLM
7.7
Good
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,432 reviews

Food

7.2

Boarding

7.8

Comfort

7.6

Overall

7.7

Entertainment

7.1

Crew

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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?

    LOT, Turkish Airlines, and Delta can get you from Romania to Chicago in just under 19h 40m. Your travel time can differ by up to 35m. Airlines will cover a distance of 5198 mi. This flight may include one or multiple stops.

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

    The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as $387. However, be on the lookout for offers from Turkish Airlines and Lufthansa, as they are both options that can get you from Romania to Chicago for a low price.

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

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

  • What are the cheapest flights from Romania to Chicago?

    The cheapest flight price from Romania to Chicago is $249. On average you can expect to pay $446. The most popular route, (Cluj Napoca - Chicago O'Hare Intl), can usually be booked for $638.

  • 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 $642). 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
Merrillville
Hammond
Porter
Benton Harbor

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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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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$766FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$554Average$850FlexibilityNo cancel feeOn-time76%
SWISSCheapest$565Average$691FlexibilityNo cancel feeOn-time79%
KLMCheapest$570Average$822FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$796FlexibilityNo cancel feeOn-time69%
LOTCheapest$573Average$716FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$581Average$695FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$621Average$660FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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