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O'Hare Intl

$406+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$636
(LOT)

One-way from

$406
(SmartFares)

Popular in

July

Cheapest in

February

Average price

$675
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. 10% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/268:25 amOTP - ORD
1 stop15h 30mBritish Airways
vie. 10/1010:35 pmORD - OTP
1 stop17h 15mBritish Airways
Deal found 6/11$626
This KLM deal was found by Cheapflights users on 6/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/11:55 pmOTP - ORD
1 stop32h 35mMultiple Airlines
sáb. 11/155:20 pmORD - OTP
1 stop18h 50mMultiple Airlines
Deal found 6/11$628
This LOT deal was found by Cheapflights users on 6/12. 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.
sáb. 9/66:30 pmOTP - ORD
1 stop25h 35mLOT
sáb. 9/205:10 pmORD - OTP
1 stop24h 40mLOT
Deal found 6/12$636
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/16:00 amOTP - ORD
2 stops22h 46mDelta
sáb. 11/151:35 pmORD - OTP
2 stops15h 35mDelta
Deal found 6/11$641
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/159:25 pmOTP - ORD
2 stops32h 40mScandinavian Airlines
sáb. 9/137:15 pmORD - OTP
1 stop17h 20mScandinavian Airlines
Deal found 6/11$664
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/68:25 amOTP - ORD
2 stops20h 58mAmerican Airlines
sáb. 9/201:15 pmORD - OTP
2 stops16h 45mAmerican Airlines
Deal found 6/10$667
This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 9/266:00 amOTP - ORD
2 stops16h 55mUnited Airlines
vie. 10/103:05 pmORD - OTP
1 stop18h 50mUnited Airlines
Deal found 6/10$693
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/266:00 amOTP - ORD
2 stops16h 55mAir Canada
vie. 10/1010:40 amORD - OTP
2 stops23h 15mAir Canada
Deal found 6/11$705
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/208:35 amOTP - ORD
1 stop13h 35mKLM
vie. 9/124:20 pmORD - OTP
1 stop15h 05mKLM
Deal found 6/10$714
This Gotogate deal was found by Cheapflights users on 6/12. 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.
lun. 7/217:20 pmOTP - ORD
1 stop25h 10mLufthansa
lun. 8/114:00 pmORD - OTP
1 stop17h 55mLufthansa
Deal found 6/12$719
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
lun. 6/164:30 amOTP - ORD
1 stop20h 10mAir Serbia
mié. 9/174:30 pmORD - OTP
1 stop14h 50mAir Serbia
Deal found 6/12$740
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/254:05 pmOTP - ORD
2 stops30h 05mAustrian Airlines
vie. 8/14:20 pmORD - OTP
1 stop23h 50mAustrian Airlines
Deal found 6/10$835

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 junio 12, 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

sáb. 9/6

6:30 pm-12:05 pm

1 stop25h 35m

Chicago O'Hare Intl

sáb. 9/20

5:10 pm-1:50 am

1 stop24h 40m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

jue. 7/10

9:15 pm-3:55 pm

1 stop26h 40m

Chicago O'Hare Intl

jue. 7/24

5:00 pm-1:25 am

1 stop24h 25m

$650

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

dom. 6/15

9:25 pm-10:05 pm

2 stops32h 40m

Chicago O'Hare Intl

sáb. 9/13

7:15 pm-8:35 pm

1 stop17h 20m

$664

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 9/6

8:25 am-9:23 pm

2 stops20h 58m

Chicago O'Hare Intl

sáb. 9/20

1:15 pm-2:00 pm

2 stops16h 45m

$667

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 9/6

7:00 am-9:35 pm

2 stops22h 35m

Chicago O'Hare Intl

sáb. 9/20

1:35 pm-5:20 pm

2 stops19h 45m

$682

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 8/15

1:55 pm-12:01 pm

2 stops30h 06m

Chicago O'Hare Intl

vie. 9/12

6:30 pm-11:40 pm

1 stop21h 10m

$703

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 7/7

4:10 pm-3:55 pm

1 stop31h 45m

Chicago O'Hare Intl

dom. 7/20

7:05 pm-1:05 am

1 stop22h 00m

$705

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 6/20

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

vie. 9/12

4:20 pm-3:25 pm

1 stop15h 05m

$714

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 7/21

7:20 pm-12:30 pm

1 stop25h 10m

Chicago O'Hare Intl

lun. 8/11

4:00 pm-5:55 pm

1 stop17h 55m

$719

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

4:30 am-4:40 pm

1 stop20h 10m

Chicago O'Hare Intl

mié. 9/17

4:30 pm-3:20 pm

1 stop14h 50m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 26 results
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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 $321). 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 junio 12, 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 junio 12, 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
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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
7,950 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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
1,358 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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
1,077 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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
802 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Food

7.8

Crew

8.3

Comfort

8.0

Overall

8.1

Entertainment

8.2

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?

    LOT, at $636, was found to be the cheapest airline from Bucharest to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include British Airways and Scandinavian Airlines. LOT is priced at 13% 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?

    $406 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 Scandinavian Airlines and SWISS, with prices starting from $552 and $601, 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 $321). 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.

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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 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$725FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$702FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$581Average$695FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$583Average$615FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$593Average$849FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$815FlexibilityNo cancel feeOn-time69%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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