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O'Hare Intl

$359+ Cheap flights from Bucharest (BUH) to O'Hare Intl (ORD)

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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Bucharest to O'Hare Intl

Cheapest flights from Bucharest to O'Hare Intl
Explore the most affordable flight options available from Bucharest to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/30. 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.
Fri 11/142:50 pmOTP - ORD
1 stop13h 15mLufthansa
Fri 11/289:50 pmORD - OTP
1 stop12h 45mLufthansa
Deal found 10/30$660
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Thu 11/132:45 pmOTP - ORD
1 stop13h 20mLufthansa
Thu 11/2710:35 pmORD - OTP
1 stop12h 05mLufthansa
Deal found 10/29$661
This FlightHub deal was found by Cheapflights users on 10/30. 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.
Fri 11/218:20 amOTP - ORD
1 stop19h 40mLOT
Sun 8/235:10 pmORD - OTP
2 stops16h 35mLOT
Deal found 10/30$665
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Fri 11/219:35 amOTP - ORD
1 stop16h 24mMultiple Airlines
Wed 12/108:36 amORD - OTP
2 stops32h 54mMultiple Airlines
Deal found 10/30$666
This Lufthansa deal was found by Cheapflights users on 10/30. 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.
Sat 11/225:55 amOTP - ORD
1 stop17h 25mMultiple Airlines
Sun 5/107:05 pmORD - OTP
1 stop12h 15mMultiple Airlines
Deal found 10/30$667
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/225:55 amOTP - ORD
2 stops22h 05mAir Canada
Fri 12/55:55 pmORD - OTP
2 stops37h 55mAir Canada
Deal found 10/30$669
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/215:55 amOTP - ORD
1 stop17h 25mUnited Airlines
Mon 12/89:50 pmORD - OTP
1 stop12h 45mUnited Airlines
Deal found 10/30$670
This Lufthansa deal was found by Cheapflights users on 10/30. 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.
Sun 11/235:55 amOTP - ORD
1 stop22h 10mLufthansa
Thu 2/199:50 pmORD - OTP
1 stop19h 15mLufthansa
Deal found 10/30$671
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/225:55 amOTP - ORD
1 stop17h 25mUnited Airlines
Thu 12/410:35 pmORD - OTP
1 stop17h 15mUnited Airlines
Deal found 10/30$672
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/215:55 amOTP - ORD
1 stop13h 15mUnited Airlines
Sat 2/217:10 amORD - OTP
2 stops22h 55mUnited Airlines
Deal found 10/30$673
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:55 amOTP - ORD
2 stops34h 05mAir Canada
Sun 2/157:15 amORD - OTP
2 stops22h 50mAir Canada
Deal found 10/30$674
This Air Canada deal was found by Cheapflights users on 10/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:55 amOTP - ORD
2 stops17h 00mAir Canada
Thu 12/48:00 amORD - OTP
2 stops23h 50mAir Canada
Deal found 10/30$675

Cheap flight deals from Bucharest to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$660
(Gotogate)

One-way from

$359
(Trip.com)

Popular in

August

Cheapest in

February

Average price

$726
Provider with most accurate pricing for Bucharest (BUH)-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago O'Hare Intl flights.
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From Bucharest (BUH) to Chicago O'Hare Intl
Search Deals
One-way flight from Bucharest (BUH) to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Bucharest to O'Hare Intl 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 October 30, 2025.
Use the filters below to find and compare flights from Bucharest to Chicago O'Hare Intl Airport that are best for you.

Fly from

Bucharest

Fly to

O'Hare Intl

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/23

5:55 am-6:45 pm

2 stops20h 50m

Chicago O'Hare Intl

Sun 8/23

9:40 pm-6:35 pm

1 stop12h 55m

$671

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/22

5:55 am-1:10 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 3/22

10:50 pm-1:05 am

1 stop19h 15m

$671

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/23

5:55 am-8:05 pm

1 stop22h 10m

Chicago O'Hare Intl

Thu 2/19

9:50 pm-1:05 am

1 stop19h 15m

$671

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/22

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Mon 12/8

1:05 pm-2:05 pm

2 stops17h 00m

$672

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 12/2

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Fri 4/24

9:40 pm-1:00 am

1 stop19h 20m

$672

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-4:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Tue 5/5

6:15 pm-11:40 pm

1 stop21h 25m

$673

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Sat 11/29

3:20 pm-2:05 pm

1 stop14h 45m

$673

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Mon 2/16

7:10 am-2:05 pm

2 stops22h 55m

$673

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/13

2:45 pm-8:05 pm

1 stop13h 20m

Chicago O'Hare Intl

Thu 11/27

1:36 pm-6:40 pm

2 stops21h 04m

$673

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 12/13

2:30 pm-2:45 pm

2 stops32h 15m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 16 results
1
2

Compare providers for flights from Bucharest to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bucharest to O'Hare Intl in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bucharest-Chicago O'Hare Intl Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Bucharest-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Bucharest-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-Chicago O'Hare Intl Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bucharest-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Bucharest to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Bucharest 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 Bucharest to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Bucharest to Chicago O'Hare Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Bucharest to Chicago O'Hare Intl Airport (average of $353). Flying from Bucharest to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $611). 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 BUH to ORD?

Find hourly flight availability from Bucharest to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 36% on flights from Bucharest to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

What’s the top layover airport for flights from Bucharest to Chicago O'Hare Intl Airport?

Share of 1-stop round-trip flights from Bucharest to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Istanbul (IST) – chosen by Cheapflights users on 60% of 1-stop itineraries from Bucharest to Chicago O'Hare Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Bucharest to Chicago O'Hare Intl Airport?

Average round-trip fare for 1-stop flights from Bucharest to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $505.

What’s the fastest layover option from Bucharest to Chicago O'Hare Intl Airport?

Shortest average travel time for 1-stop one-way flights from Bucharest to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 13h 20m.

Which airport typically offers the quickest layover for flights from Bucharest to Chicago O'Hare Intl Airport?

Average layover duration for 1-stop one-way flights from Bucharest to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 18m.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 30, 2025.
Read through reviews of airlines operating flights from Bucharest to Chicago O'Hare Intl Airport, such as KLM, LOT, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

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
1,406 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

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
7.6
Good
1,135 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

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
4,033 reviews
KLM
7.7
Good
1,406 reviews

Overall

7.7

Boarding

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.3

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 Bucharest to O'Hare Intl. 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 Bucharest to Chicago O'Hare Intl Airport?

    There are many flights that can get you from Bucharest to Chicago O'Hare Intl Airport in 15h 15m. Fly via United Airlines or Lufthansa to get the fastest option. Bucharest and Chicago O'Hare Intl Airport are separated by a distance of 5198 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Bucharest to Chicago O'Hare Intl Airport round-trip?

    Turkish Airlines, at $493, was found to be the cheapest airline from Bucharest to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Lufthansa. Turkish Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Bucharest to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Bucharest to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bucharest to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bucharest to O'Hare Intl.

  • Can I find deals for business class flights from Bucharest to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Bucharest to O'Hare Intl 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 Bucharest to Chicago O'Hare Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Bucharest to Chicago O'Hare Intl Airport (average of $353). Flying from Bucharest to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $611). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Elgin
Oak Brook
Elk Grove Village
Naperville
Racine
Downers Grove
Rockford
Orland Park
Merrillville
Bridgeview
Warrenville
Waukegan
Aurora

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Alternative routes for Bucharest to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Otopeni Intl to O'Hare Intl flights
Cluj Napoca to O'Hare Intl flights
Iaşi to O'Hare Intl flights
Sibiu to O'Hare Intl flights

Top 9 airlines flying from Bucharest to O'Hare Intl

Discover the top 9 airlines that operate flights from Bucharest to O'Hare Intl. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$768FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$565Average$821FlexibilityNo cancel feeOn-time76%
KLMCheapest$570Average$740FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$815FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$581Average$695FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$583Average$656FlexibilityNo cancel feeOn-time81%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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