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$331+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bucharest are usually found in November or October, booked 35 days in advance, depart on a Monday or Tuesday 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$521
(FlightHub)

One-way from

$331
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$559

Good round-trip deal

$829 or less
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. 26% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Bucharest (BUH).
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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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 11/256:50 pmORD - OTP
1 stop12h 55mSWISS
Tue 12/24:40 pmOTP - ORD
1 stop31h 40mSWISS
Deal found 10/27$520
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/99:50 pmORD - OTP
1 stop12h 45mLufthansa
Fri 11/211:05 pmOTP - ORD
1 stop13h 20mLufthansa
Deal found 10/29$521
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:55 pmORD - OTP
1 stop17h 20mLOT
Mon 12/156:25 pmOTP - ORD
1 stop33h 35mLOT
Deal found 10/30$522
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 pmORD - OTP
1 stop21h 40mMultiple Airlines
Mon 11/105:55 amOTP - ORD
1 stop22h 10mMultiple Airlines
Deal found 10/30$527
This CrystalTravel deal was found by Cheapflights users on 10/29. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/259:50 pmORD - OTP
1 stop19h 15mLufthansa
Wed 12/102:40 pmOTP - ORD
1 stop13h 25mLufthansa
Deal found 10/29$529
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:35 pmORD - OTP
1 stop12h 05mLufthansa
Wed 11/51:05 pmOTP - ORD
1 stop13h 20mLufthansa
Deal found 10/30$531
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 pmORD - OTP
1 stop21h 40mMultiple Airlines
Tue 11/115:55 amOTP - ORD
1 stop15h 15mMultiple Airlines
Deal found 10/30$532
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/289:50 pmORD - OTP
1 stop12h 45mUnited Airlines
Sat 12/65:55 amOTP - ORD
2 stops17h 00mUnited Airlines
Deal found 10/30$533
This Gotogate deal was found by Cheapflights users on 10/29. 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.
Tue 11/259:50 pmORD - OTP
1 stop12h 45mMultiple Airlines
Tue 12/95:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/29$535
This Gotogate deal was found by Cheapflights users on 10/29. 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 11/269:50 pmORD - OTP
2 stops18h 05mMultiple Airlines
Tue 12/95:55 amOTP - ORD
2 stops17h 00mMultiple Airlines
Deal found 10/29$538

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 October 30, 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

Wed 1/14

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 1/21

6:05 am-2:55 pm

2 stops16h 50m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 1/28

6:05 am-2:55 pm

2 stops16h 50m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/7

7:00 am-12:05 pm

2 stops21h 05m

Bucharest Otopeni Intl

Tue 2/17

1:55 pm-2:20 pm

1 stop32h 25m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 2/5

7:05 am-12:05 pm

2 stops21h 00m

Bucharest Otopeni Intl

Sat 2/21

6:00 am-2:20 pm

1 stop16h 20m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/30

11:44 am-3:10 pm

2 stops19h 26m

Bucharest Otopeni Intl

Fri 2/13

8:20 pm-1:50 pm

1 stop25h 30m

$543

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/27

7:00 am-12:05 pm

2 stops21h 05m

Bucharest Otopeni Intl

Wed 12/10

6:05 am-3:10 pm

1 stop17h 05m

$544

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/27

10:35 pm-6:40 pm

1 stop12h 05m

Bucharest Otopeni Intl

Wed 12/10

2:40 pm-8:05 pm

1 stop13h 25m

$545

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 11/26

3:20 pm-2:00 pm

1 stop14h 40m

Bucharest Otopeni Intl

Wed 12/10

2:40 pm-8:05 pm

1 stop13h 25m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/10

10:35 pm-11:55 pm

1 stop17h 20m

Bucharest Otopeni Intl

Wed 12/17

6:05 am-11:18 am

2 stops37h 13m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/4

6:40 am-12:55 pm

2 stops46h 15m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 17 results
1
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Bucharest flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $334). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $826). 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 October 30, 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 in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 30% 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 Sunday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Bucharest?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Bucharest chosen by Cheapflights users in the past 12 months, using the same layover each way.

Amsterdam (AMS) – chosen by Cheapflights users on 55% of 1-stop itineraries from Chicago O'Hare Intl Airport to Bucharest on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Bucharest?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Bucharest, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $829.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Bucharest?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 11h 52m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Bucharest?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 08m.

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 October 30, 2025.
Peruse reviews from past customers who have flown with LOT, Scandinavian Airlines, and Turkish Airlines from Chicago O'Hare Intl Airport to Bucharest to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.6
Good
1,135 reviews
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Scandinavian Airlines
7.4
Good
1,545 reviews
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,031 reviews
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,541 reviews
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,487 reviews
LOT
7.6
Good
1,135 reviews

Overall

7.6

Entertainment

6.9

Boarding

7.6

Food

7.1

Crew

8.2

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Bucharest?

    A quick flight from Chicago O'Hare Intl Airport to Bucharest can take about 19h 26m. Delta provides one of the quickest options available for as low as $543. Airlines will cover a distance of 5198 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Scandinavian Airlines ($385), Turkish Airlines ($504), and Austrian Airlines ($517) offers the cheapest pricing from Chicago O'Hare Intl Airport to Bucharest. Scandinavian Airlines is priced at 45% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Bucharest?

    While on average a flight from Chicago O'Hare Intl Airport to Bucharest is generally $833, our data shows the cheapest flight currently is $827. When looking at the most popular route, (Chicago O'Hare Intl - Bucharest Otopeni Intl), you can expect to pay $485 for that flight.

  • 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $334). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $826). 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 Bucharest?

Book flights to Bucharest 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$728FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$504Average$598FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$732FlexibilityNo cancel feeOn-time78%
LOTCheapest$538Average$906FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$575Average$748FlexibilityNo cancel feeOn-time70%
SWISSCheapest$587Average$760FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$588Average$887FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$595Average$909FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$618Average$749FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$655Average$714FlexibilityNo cancel feeOn-timeN/A

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