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O'Hare Intl

$534+ 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 6/14. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(KLM)

One-way from

$534
(Air Serbia)

Popular in

July

Cheapest in

February

Average price

$806
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
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One-way flight from Bucharest (BUH) to Chicago O'Hare Intl
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Highest demand for flights based on searches. 12% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/217:00 amOTP - ORD
1 stop15h 10mDelta
Tue 5/610:25 amORD - OTP
2 stops17h 45mDelta
Deal found 3/31$595
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/168:25 amOTP - ORD
1 stop17h 50mBritish Airways
Tue 9/167:10 pmORD - OTP
1 stop22h 15mBritish Airways
Deal found 3/30$596
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/244:50 pmOTP - ORD
1 stop29h 20mKLM
Thu 5/84:20 pmORD - OTP
1 stop12h 40mKLM
Deal found 3/30$601
This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:30 pmOTP - ORD
1 stop28h 40mLOT
Tue 9/165:10 pmORD - OTP
2 stops22h 00mLOT
Deal found 3/30$636
This Lucky2Go deal was found by Cheapflights users on 3/30. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:15 pmOTP - ORD
1 stop27h 30mMultiple Airlines
Sun 5/1810:25 pmORD - OTP
1 stop18h 20mMultiple Airlines
Deal found 3/30$658
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 6/138:25 amOTP - ORD
1 stop15h 30mAmerican Airlines
Wed 7/91:15 pmORD - OTP
2 stops17h 15mAmerican Airlines
Deal found 3/31$663
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 7/312:40 pmOTP - ORD
2 stops31h 51mUnited Airlines
Thu 7/2412:00 pmORD - OTP
2 stops15h 55mUnited Airlines
Deal found 3/30$689
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Wed 4/166:30 amOTP - ORD
2 stops23h 36mAir Canada
Sun 6/83:35 pmORD - OTP
2 stops37h 30mAir Canada
Deal found 3/30$712
This Lufthansa deal was found by Cheapflights users on 3/30. 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.
Fri 6/205:35 pmOTP - ORD
1 stop25h 25mLufthansa
Fri 9/126:30 pmORD - OTP
1 stop21h 10mLufthansa
Deal found 3/30$731
This deal was found by Cheapflights users on 3/31. 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.
Tue 8/199:30 amOTP - ORD
1 stop16h 25mTurkish Airlines
Mon 8/2511:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Deal found 3/31$739
This Aeromexico deal was found by Cheapflights users on 3/30. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/118:40 amOTP - ORD
2 stops23h 19mAir France
Fri 4/185:10 pmORD - OTP
1 stop22h 45mAir France
Deal found 3/30$756
This Austrian Airlines deal was found by Cheapflights users on 3/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/274:05 pmOTP - ORD
1 stop29h 15mAustrian Airlines
Fri 5/94:05 pmORD - OTP
2 stops39h 15mAustrian Airlines
Deal found 3/30$796

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 March 31, 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

Mon 4/21

6:05 pm-2:40 pm

1 stop28h 35m

Chicago O'Hare Intl

Tue 5/6

5:10 pm-3:50 pm

1 stop14h 40m

$595

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 6/16

8:25 am-6:15 pm

1 stop17h 50m

Chicago O'Hare Intl

Tue 9/16

7:10 pm-1:25 am

1 stop22h 15m

$596

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/24

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Wed 5/7

4:50 pm-3:25 pm

1 stop14h 35m

$601

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/24

1:45 pm-11:59 pm

2 stops18h 14m

Chicago O'Hare Intl

Wed 5/7

9:00 am-1:00 pm

2 stops20h 00m

$607

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 6/16

6:30 pm-3:10 pm

1 stop28h 40m

Chicago O'Hare Intl

Tue 9/16

5:10 pm-11:10 pm

2 stops22h 00m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/13

8:25 am-3:55 pm

1 stop15h 30m

Chicago O'Hare Intl

Wed 7/9

1:15 pm-2:30 pm

2 stops17h 15m

$663

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 7/3

12:40 pm-12:31 pm

2 stops31h 51m

Chicago O'Hare Intl

Thu 7/24

12:00 pm-11:55 am

2 stops15h 55m

$689

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 4/16

6:30 am-10:06 pm

2 stops23h 36m

Chicago O'Hare Intl

Sun 6/8

3:35 pm-1:05 pm

2 stops37h 30m

$712

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/20

5:35 pm-11:00 am

1 stop25h 25m

Chicago O'Hare Intl

Fri 9/12

6:30 pm-11:40 pm

1 stop21h 10m

$731

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/19

9:30 am-5:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Sun 8/24

7:50 pm-8:25 pm

1 stop16h 35m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 21 results
1
2
3

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, August is the cheapest month in which you can book a flight from Bucharest to Chicago O'Hare Intl Airport (average of $245). Flying from Bucharest to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 March 31, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from Bucharest to Chicago O'Hare Intl Airport by exploring options for tickets at noon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 31, 2025.
See what other customers who have flown with Emirates, Delta and KLM from Bucharest to Chicago 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.
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,899 reviews
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,065 reviews
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
770 reviews
Emirates
8.0
Very good
3,192 reviews

Overall

8.0

Crew

8.3

Entertainment

8.2

Food

7.8

Comfort

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.

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

    British Airways, at $596, was found to be the cheapest airline from Bucharest to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include KLM and Delta. British Airways is priced at 18% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Bucharest to Chicago O'Hare Intl Airport one-way?

    $534 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 SWISS and Delta, with prices starting from $616 and $642, respectively.

  • 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, August is the cheapest month in which you can book a flight from Bucharest to Chicago O'Hare Intl Airport (average of $245). Flying from Bucharest to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 Bucharest to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$653FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$642FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$691FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$707FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$582Average$684FlexibilityNo cancel feeOn-time81%
DeltaCheapest$585Average$634FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$593Average$809FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$821FlexibilityNo cancel feeOn-time69%
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