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$298+ Cheap flights from O'Hare Intl (ORD) to Bucharest (BUH)

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bucharest are usually found in November or December, booked 35 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Bucharest (BUH). 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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$579
(KAYAK)

One-way from

$298
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$706
Provider with most accurate pricing for Chicago O'Hare Intl-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Bucharest (BUH) flights.
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From Chicago O'Hare Intl to Bucharest (BUH)
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One-way flight from Chicago O'Hare Intl to Bucharest (BUH)
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Highest demand for flights based on searches. 23% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from O'Hare Intl to Bucharest

Cheapest flights from O'Hare Intl to Bucharest
Explore the most affordable flight options available from O'Hare Intl to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:25 amORD - OTP
1 stop25h 00mTurkish Airlines
Tue 9/309:30 amOTP - ORD
1 stop32h 10mTurkish Airlines
Deal found 4/16$537
This KAYAK deal was found by Cheapflights users on 4/16. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:40 pmORD - OTP
1 stop12h 50mBritish Airways
Wed 11/58:05 amOTP - ORD
2 stops19h 15mBritish Airways
Deal found 4/16$579
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:15 pmORD - OTP
1 stop17h 20mScandinavian Airlines
Sat 9/279:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
Deal found 4/16$582
This Gotogate deal was found by Cheapflights users on 4/17. 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.
Wed 5/76:35 pmORD - OTP
1 stop12h 45mMultiple Airlines
Wed 11/55:55 amOTP - ORD
2 stops16h 50mMultiple Airlines
Deal found 4/17$590
This Gotogate deal was found by Cheapflights users on 4/17. 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.
Wed 5/76:35 pmORD - OTP
1 stop12h 45mSWISS
Wed 11/54:35 pmOTP - ORD
1 stop31h 40mSWISS
Deal found 4/17$615
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Wed 5/75:40 pmORD - OTP
1 stop12h 50mAmerican Airlines
Wed 11/58:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 4/17$618
This Gotogate deal was found by Cheapflights users on 4/17. 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.
Wed 5/78:40 amORD - OTP
2 stops22h 40mAir Canada
Wed 11/55:55 amOTP - ORD
2 stops22h 30mAir Canada
Deal found 4/17$620
This United Airlines deal was found by Cheapflights users on 4/17. 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 10/179:40 pmORD - OTP
1 stop19h 20mUnited Airlines
Fri 10/312:30 pmOTP - ORD
2 stops36h 55mUnited Airlines
Deal found 4/17$641
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:20 pmORD - OTP
1 stop12h 40mDelta
Fri 8/297:00 amOTP - ORD
1 stop15h 10mDelta
Deal found 4/16$645
This Air Serbia deal was found by Cheapflights users on 4/16. 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:20 pmORD - OTP
1 stop19h 45mAir Serbia
Sat 9/204:05 pmOTP - ORD
1 stop12h 55mAir Serbia
Deal found 4/16$657
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/34:20 pmORD - OTP
1 stop23h 50mAustrian Airlines
Tue 9/26:35 amOTP - ORD
1 stop14h 45mAustrian Airlines
Deal found 4/16$659
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/172:05 pmORD - OTP
1 stop15h 45mLOT
Sun 8/318:20 amOTP - ORD
1 stop14h 50mLOT
Deal found 4/17$672

Cheapflights Fare Finder

Customize your flight search to find flights from O'Hare Intl to Bucharest 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 April 17, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

O'Hare Intl

Fly to

Bucharest

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/16

11:25 am-8:25 pm

1 stop25h 00m

Bucharest Otopeni Intl

Tue 9/30

9:30 am-9:40 am

1 stop32h 10m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

5:40 pm-2:30 pm

1 stop12h 50m

Bucharest Otopeni Intl

Wed 11/5

8:05 am-7:20 pm

2 stops19h 15m

$579

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/13

7:15 pm-8:35 pm

1 stop17h 20m

Bucharest Otopeni Intl

Sat 9/27

9:25 pm-4:10 pm

1 stop26h 45m

$582

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

6:35 pm-3:20 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 11/5

5:55 am-2:45 pm

2 stops16h 50m

$590

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

6:35 pm-3:20 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 11/5

4:35 pm-4:15 pm

1 stop31h 40m

$615

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

5:40 pm-2:30 pm

1 stop12h 50m

Bucharest Otopeni Intl

Wed 11/5

8:05 am-5:00 pm

1 stop16h 55m

$618

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

8:40 am-3:20 pm

2 stops22h 40m

Bucharest Otopeni Intl

Wed 11/5

5:55 am-8:25 pm

2 stops22h 30m

$620

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/11

4:20 pm-1:00 pm

1 stop12h 40m

Bucharest Otopeni Intl

Fri 8/29

7:00 am-2:10 pm

1 stop15h 10m

$645

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/30

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sat 9/20

4:05 pm-9:00 pm

1 stop12h 55m

$657

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/3

4:20 pm-12:10 am

1 stop23h 50m

Bucharest Otopeni Intl

Tue 9/2

6:35 am-1:20 pm

1 stop14h 45m

$659

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 25 results
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Compare providers for flights from O'Hare Intl to Bucharest

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 O'Hare Intl to Bucharest in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Chicago O'Hare Intl Airport-Bucharest flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago O'Hare Intl Airport-Bucharest flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Bucharest 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 Chicago O'Hare Intl Airport-Bucharest 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 O'Hare Intl to Bucharest

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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Bucharest. Price data was last updated on April 11, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Bucharest. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $604). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $1,175). 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 ORD to BUH?

Find hourly flight availability from O'Hare Intl to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Bucharest is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 34% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Bucharest?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Bucharest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Bucharest flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Bucharest by month

Plan your trip to Bucharest by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest when rainfall is around 0.8 in.

Temperature in Bucharest by month

Plan your trip to Bucharest by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated April 17, 2025.
Peruse reviews from past customers who have flown with Delta, LOT and Austrian Airlines from Chicago to Bucharest to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Bucharest. 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 Chicago O'Hare Intl Airport to Bucharest round-trip?

    According to our current data, British Airways ($579), American Airlines ($618), and SWISS ($624) offers the cheapest pricing from Chicago O'Hare Intl Airport to Bucharest. British Airways is priced at 16% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with SWISS, which is currently one of the cheapest options available, starting at $465. Turkish Airlines flights start at $482 while deals on Scandinavian Airlines start at $538 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $604). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $1,175). 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
Otopeni

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Top 10 airlines flying from O'Hare Intl to Bucharest

Discover the top 10 airlines that operate flights from O'Hare Intl to Bucharest. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$818FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$510Average$592FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$522Average$731FlexibilityNo cancel feeOn-time70%
LOTCheapest$532Average$956FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$548Average$789FlexibilityNo cancel feeOn-time78%
Air FranceCheapest$549Average$861FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$553Average$978FlexibilityNo cancel feeOn-time76%
DeltaCheapest$568Average$1,083FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$585Average$919FlexibilityNo cancel feeOn-time69%
SWISSCheapest$597Average$736FlexibilityNo cancel feeOn-time79%

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