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$274+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Chicago O'Hare Intl to Bucharest are usually found in April or November, 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(United Airlines)

One-way from

$274
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$632
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. 30% potential increase in price ($311 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/911:49 amORD - OTP
2 stops18h 56mUnited Airlines
Tue 3/255:20 amOTP - ORD
2 stops33h 41mUnited Airlines
Deal found 2/20$548
This Priceline deal was found by Cheapflights users on 2/20. 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.
Wed 4/27:20 amORD - OTP
2 stops27h 15mMultiple Airlines
Wed 4/96:30 amOTP - ORD
1 stop17h 25mMultiple Airlines
Deal found 2/20$549
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Thu 3/611:55 amORD - OTP
1 stop12h 55mTurkish Airlines
Fri 3/149:50 pmOTP - ORD
1 stop20h 20mTurkish Airlines
Deal found 2/20$556
This Air Canada deal was found by Cheapflights users on 2/20. 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 4/211:30 amORD - OTP
2 stops17h 45mAir Canada
Wed 4/96:30 amOTP - ORD
2 stops23h 36mAir Canada
Deal found 2/20$557
This FlightHub deal was found by Cheapflights users on 2/20. 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.
Sat 3/89:55 pmORD - OTP
1 stop17h 20mLOT
Fri 3/145:30 amOTP - ORD
1 stop22h 30mLOT
Deal found 2/20$558
This oojo deal was found by Cheapflights users on 2/20. 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.
Tue 3/116:00 pmORD - OTP
1 stop13h 45mBritish Airways
Wed 11/193:35 pmOTP - ORD
2 stops30h 55mBritish Airways
Deal found 2/20$572
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/119:15 pmORD - OTP
1 stop18h 50mAmerican Airlines
Wed 11/198:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 2/20$576
This Lufthansa deal was found by Cheapflights users on 2/20. 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 2/2810:35 pmORD - OTP
1 stop17h 55mLufthansa
Mon 3/176:00 amOTP - ORD
1 stop20h 25mLufthansa
Deal found 2/20$629
This Travelocity deal was found by Cheapflights users on 2/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:15 pmORD - OTP
2 stops21h 40mScandinavian Airlines
Wed 5/148:50 pmOTP - ORD
1 stop27h 20mScandinavian Airlines
Deal found 2/20$690
This Air Serbia deal was found by Cheapflights users on 2/19. 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.
Wed 8/204:30 pmORD - OTP
1 stop26h 35mAir Serbia
Tue 9/94:05 pmOTP - ORD
1 stop30h 20mAir Serbia
Deal found 2/19$699
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:20 amORD - OTP
2 stops24h 45mITA Airways
Sun 9/144:05 pmOTP - ORD
2 stops29h 05mITA Airways
Deal found 2/20$814
This Delta deal was found by Cheapflights users on 2/20. 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 9/152:00 pmORD - OTP
2 stops19h 20mDelta
Tue 9/307:00 amOTP - ORD
2 stops23h 10mDelta
Deal found 2/20$835

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

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 February 20, 2025.

Fly from

O'Hare Intl

Fly to

Bucharest

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/9

11:49 am-1:45 pm

2 stops18h 56m

Bucharest Otopeni Intl

Tue 3/25

5:20 am-8:01 am

2 stops33h 41m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/2

7:20 am-6:35 pm

2 stops27h 15m

Bucharest Otopeni Intl

Wed 4/9

6:30 am-3:55 pm

1 stop17h 25m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/6

11:55 am-8:50 am

1 stop12h 55m

Bucharest Otopeni Intl

Fri 3/14

9:50 pm-11:10 am

1 stop20h 20m

$556

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/2

11:30 am-1:15 pm

2 stops17h 45m

Bucharest Otopeni Intl

Wed 4/9

6:30 am-10:06 pm

2 stops23h 36m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 3/8

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Fri 3/14

5:30 am-9:00 pm

1 stop22h 30m

$558

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/11

6:00 pm-2:45 pm

1 stop13h 45m

Bucharest Otopeni Intl

Wed 11/19

3:35 pm-2:30 pm

2 stops30h 55m

$572

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/11

9:15 pm-11:05 pm

1 stop18h 50m

Bucharest Otopeni Intl

Wed 11/19

8:05 am-5:00 pm

1 stop16h 55m

$576

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/28

7:15 pm-12:55 am

2 stops21h 40m

Bucharest Otopeni Intl

Wed 5/14

8:50 pm-4:10 pm

1 stop27h 20m

$690

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 3/7

3:55 pm-2:00 pm

1 stop14h 05m

Bucharest Otopeni Intl

Fri 3/14

6:05 am-6:27 pm

2 stops19h 22m

$703

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/16

4:30 pm-3:05 am

1 stop26h 35m

Bucharest Otopeni Intl

Sat 5/3

4:05 pm-9:00 pm

1 stop12h 55m

$754

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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 Chicago O'Hare Intl Airport-Bucharest flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Bucharest flight deals on Cheapflights vs. FlightHub >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 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 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.

Travel insights for flights from O'Hare Intl to Bucharest

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

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 February 14, 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 February 20, 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 February 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT 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
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
1,080 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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
773 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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.

Air France
7.4
Good
1,449 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

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, United Airlines ($548), Delta ($549), and LOT ($551) offers the cheapest pricing from Chicago O'Hare Intl Airport to Bucharest. United Airlines is priced at 23% 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 Air Serbia, which is currently one of the cheapest options available, starting at $399. Air France flights start at $451 while deals on Turkish Airlines start at $461 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$513Average$604FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$521Average$712FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$535Average$999FlexibilityNo cancel feeOn-time76%
LOTCheapest$537Average$1,036FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$552Average$780FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$1,065FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$576Average$866FlexibilityNo cancel feeOn-time69%
KLMCheapest$582Average$909FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$588Average$808FlexibilityNo cancel feeOn-time78%
SWISSCheapest$610Average$926FlexibilityNo cancel feeOn-time79%
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