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O'Hare Intl

$311+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
ene. 21 — ene. 281
mar. 1/21
mar. 1/28
1 adult, Economy
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The best prices from Bucharest to Chicago O'Hare Intl are usually found in February or December, booked 75 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

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 enero 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$526
(Delta)

One-way from

$311
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$647
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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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 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 enero 16, 2025.

This Delta deal was found by Cheapflights users on 1/15. 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.
mié. 4/97:00 amOTP - ORD
2 stops21h 45mDelta
dom. 4/204:20 pmORD - OTP
1 stop12h 40mDelta
Deal found 1/15$526
This KLM deal was found by Cheapflights users on 1/15. 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.
sáb. 2/226:00 amOTP - ORD
2 stops17h 05mKLM
mié. 4/304:20 pmORD - OTP
1 stop23h 10mKLM
Deal found 1/15$537
This United Airlines deal was found by Cheapflights users on 1/16. 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.
mié. 4/306:00 amOTP - ORD
2 stops21h 30mUnited Airlines
sáb. 5/103:42 pmORD - OTP
2 stops15h 38mUnited Airlines
Deal found 1/16$543
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/168:25 amOTP - ORD
1 stop14h 25mAmerican Airlines
sáb. 9/275:45 pmORD - OTP
1 stop12h 15mAmerican Airlines
Deal found 1/16$560
This Priceline deal was found by Cheapflights users on 1/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/168:25 amOTP - ORD
1 stop14h 25mBritish Airways
mar. 9/163:29 pmORD - OTP
2 stops15h 56mBritish Airways
Deal found 1/15$563
This FlightHub deal was found by Cheapflights users on 1/15. 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.
jue. 10/28:20 amOTP - ORD
1 stop14h 50mLOT
sáb. 11/299:55 pmORD - OTP
1 stop11h 45mLOT
Deal found 1/15$570
This lol.travel deal was found by Cheapflights users on 1/16. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/216:30 amOTP - ORD
2 stops20h 07mAir Canada
mié. 5/282:40 pmORD - OTP
2 stops14h 35mAir Canada
Deal found 1/16$578
This Air France deal was found by Cheapflights users on 1/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/166:30 amOTP - ORD
1 stop16h 30mAir France
mar. 9/165:15 pmORD - OTP
1 stop22h 45mAir France
Deal found 1/15$594
This Air France deal was found by Cheapflights users on 1/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/61:45 pmOTP - ORD
2 stops16h 20mMultiple Airlines
jue. 7/105:15 pmORD - OTP
1 stop22h 45mMultiple Airlines
Deal found 1/15$606
This Air Serbia deal was found by Cheapflights users on 1/15. 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 Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/164:40 amOTP - ORD
1 stop20h 00mAir Serbia
mié. 9/174:30 pmORD - OTP
1 stop14h 50mAir Serbia
Deal found 1/15$616
This Lufthansa deal was found by Cheapflights users on 1/16. 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.
mar. 1/285:20 amOTP - ORD
1 stop17h 55mLufthansa
sáb. 2/229:25 pmORD - OTP
1 stop19h 45mLufthansa
Deal found 1/16$633
This SWISS deal was found by Cheapflights users on 1/16. 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.
lun. 1/274:35 pmOTP - ORD
1 stop31h 40mSWISS
lun. 2/247:05 pmORD - OTP
1 stop21h 25mSWISS
Deal found 1/16$637

Find flights from Bucharest to O'Hare Intl within your budget

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 enero 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 4/9

7:00 am-8:45 pm

2 stops21h 45m

Chicago O'Hare Intl

dom. 4/20

4:20 pm-1:00 pm

1 stop12h 40m

$526

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 2/22

6:00 am-3:05 pm

2 stops17h 05m

Chicago O'Hare Intl

mié. 4/30

4:20 pm-11:30 pm

1 stop23h 10m

$537

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 4/30

6:00 am-7:30 pm

2 stops21h 30m

Chicago O'Hare Intl

sáb. 5/10

3:42 pm-3:20 pm

2 stops15h 38m

$543

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

8:25 am-5:00 pm

1 stop16h 35m

Chicago O'Hare Intl

mar. 9/16

9:15 pm-1:25 am

1 stop20h 10m

$560

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

dom. 6/1

8:25 am-3:55 pm

1 stop15h 30m

Chicago O'Hare Intl

dom. 6/15

11:40 am-2:05 pm

2 stops18h 25m

$567

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 1/31

5:30 am-8:00 pm

1 stop22h 30m

Chicago O'Hare Intl

vie. 2/7

9:55 pm-5:40 pm

1 stop11h 45m

$575

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 5/21

6:30 am-6:37 pm

2 stops20h 07m

Chicago O'Hare Intl

mié. 5/28

2:40 pm-1:15 pm

2 stops14h 35m

$578

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

6:30 am-3:00 pm

1 stop16h 30m

Chicago O'Hare Intl

mar. 9/16

5:15 pm-12:00 am

1 stop22h 45m

$594

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 6/6

1:45 pm-10:05 pm

2 stops16h 20m

Chicago O'Hare Intl

jue. 7/10

5:15 pm-12:00 am

1 stop22h 45m

$606

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

4:40 am-4:40 pm

1 stop20h 00m

Chicago O'Hare Intl

mié. 9/17

4:30 pm-3:20 pm

1 stop14h 50m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 25 results
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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 January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bucharest-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Travel insights for flights from Bucharest to O'Hare Intl

Get recent, data-driven insights about flights from Bucharest to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Bucharest to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Bucharest to O'Hare Intl. Price data was last updated on January 10, 2025.

To ensure you get the cheapest price possible for a flight from Bucharest to Chicago O'Hare Intl Airport, you should look to book at least 72 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $320). 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 enero 16, 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 enero 16, 2025.
See what other customers who have flown with Delta, American Airlines and LOT 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
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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
8.1
Very good
3,350 reviews
Emirates
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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
8,511 reviews
Emirates
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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
1,339 reviews
Emirates
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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
1,112 reviews
Emirates
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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
786 reviews
Emirates
8.1
Very good
3,350 reviews

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.9

Crew

8.3

Boarding

8.1

Reviews

1 / 10

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?

    Delta, at $526, 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 United Airlines. Delta is priced at 26% 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?

    $348 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 LOT and SWISS, with prices starting from $533 and $588, 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 $320). 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.
Otopeni Intl to O'Hare Intl flights
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Top 7 airlines flying from Bucharest to O'Hare Intl

Discover the top 7 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 enero 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$759FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$560Average$705FlexibilityNo cancel feeOn-time70%
LOTCheapest$577Average$653FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$700FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$593Average$760FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$821FlexibilityNo cancel feeOn-time69%
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