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O'Hare Intl

$343+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$578
(Booking.com)

One-way from

$343
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$669
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. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:20 amOTP - ORD
1 stop19h 20mLOT
Tue 11/49:55 pmORD - OTP
1 stop17h 20mLOT
Deal found 9/13$578
This Gotogate deal was found by Cheapflights users on 9/13. 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.
Sat 11/15:35 amOTP - ORD
1 stop22h 25mLOT
Fri 11/149:55 pmORD - OTP
1 stop31h 55mLOT
Deal found 9/13$586
This Billigflug deal was found by Cheapflights users on 9/13. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:20 amOTP - ORD
1 stop35h 30mMultiple Airlines
Tue 11/42:50 pmORD - OTP
2 stops15h 55mMultiple Airlines
Deal found 9/13$619
This oojo deal was found by Cheapflights users on 9/13. 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.
Fri 10/315:35 amOTP - ORD
1 stop22h 25mLOT
Fri 12/59:55 pmORD - OTP
1 stop17h 20mLOT
Deal found 9/13$630
This American Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 10/198:20 amOTP - ORD
1 stop35h 30mAmerican Airlines
Tue 11/49:18 amORD - OTP
2 stops21h 27mAmerican Airlines
Deal found 9/13$637
This British Airways deal was found by Cheapflights users on 9/14. 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.
Sat 11/88:05 amOTP - ORD
1 stop18h 40mBritish Airways
Thu 12/115:10 pmORD - OTP
1 stop14h 35mBritish Airways
Deal found 9/14$639
This British Airways deal was found by Cheapflights users on 9/14. 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.
Sun 11/304:10 pmOTP - ORD
1 stop34h 35mBritish Airways
Sun 12/149:45 pmORD - OTP
1 stop18h 00mBritish Airways
Deal found 9/14$640

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 September 15, 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

Sun 10/19

8:20 am-7:40 pm

1 stop19h 20m

Chicago O'Hare Intl

Tue 11/4

9:55 pm-11:15 pm

1 stop17h 20m

$578

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/1

5:35 am-9:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Fri 11/14

9:55 pm-1:50 pm

1 stop31h 55m

$586

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Sun 2/22

9:45 pm-7:35 pm

1 stop13h 50m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/8

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Thu 12/11

5:10 pm-3:45 pm

1 stop14h 35m

$639

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/12

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Wed 11/26

4:06 pm-3:45 pm

2 stops15h 39m

$639

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/30

4:10 pm-6:45 pm

1 stop34h 35m

Chicago O'Hare Intl

Mon 12/15

9:45 pm-11:00 pm

1 stop17h 15m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 12/1

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Sun 12/14

9:45 pm-7:35 pm

1 stop13h 50m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 12/5

8:00 am-6:45 pm

1 stop18h 45m

Chicago O'Hare Intl

Sun 12/14

9:45 pm-7:35 pm

1 stop13h 50m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 12/5

8:20 pm-5:00 pm

1 stop28h 40m

Chicago O'Hare Intl

Mon 12/15

9:45 pm-11:00 pm

1 stop17h 15m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 12/2

8:00 am-5:00 pm

1 stop17h 00m

Chicago O'Hare Intl

Sun 12/14

9:45 pm-11:45 pm

1 stop18h 00m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 16 results
1
2

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 September 15, 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.

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

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

Istanbul (IST) – chosen by Cheapflights users on 60% of 1-stop itineraries from Bucharest to Chicago O'Hare Intl Airport on Cheapflights.

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

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

Istanbul (IST) is the most affordable 1-stop option, with an average round-trip price of $505.

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

Shortest average travel time for 1-stop one-way flights from Bucharest to Chicago O'Hare Intl Airport, 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: 13h 20m.

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

Average layover duration for 1-stop one-way flights from Bucharest to Chicago O'Hare Intl Airport, 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 18m.

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 September 15, 2025.
Read through reviews of airlines operating flights from Bucharest to Chicago O'Hare Intl Airport, such as KLM and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
KLM
7.8
Good
1,385 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.
Turkish Airlines
7.3
Good
3,968 reviews
KLM
7.8
Good
1,385 reviews

Crew

8.4

Overall

7.8

Boarding

7.8

Comfort

7.7

Food

7.3

Entertainment

7.2

Reviews

1 / 20
4.0
Okay

Mark,Sep 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

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.

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

    There are many flights that can get you from Bucharest to Chicago O'Hare Intl Airport in 18h 40m. Fly via LOT, American Airlines, or British Airways to get the fastest option. Bucharest and Chicago O'Hare Intl Airport are separated by a distance of 5198 mi. This flight may include one or multiple stops.

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

    Turkish Airlines, at $336, was found to be the cheapest airline from Bucharest to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and KLM. Turkish Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

  • 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.

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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

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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
Cluj Napoca to O'Hare Intl flights
Iaşi to O'Hare Intl flights
Sibiu to O'Hare Intl flights

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$733FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$699FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$581Average$696FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$583Average$619FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$592Average$760FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$788FlexibilityNo cancel feeOn-time69%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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