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O'Hare Intl

$386+ Cheap flights from Otopeni Intl (OTP) 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
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 Bucharest Otopeni Intl to Chicago O'Hare Intl are usually found in September or March, booked 25 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Otopeni Intl to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Otopeni Intl (OTP) 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 January 12, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$504
(Booking.com)

One-way from

$386
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$734

Good round-trip deal

$462 or less
Provider with most accurate pricing for Bucharest Otopeni Intl-Chicago O'Hare Intl flight deals.
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Provider most trusted by Cheapflights users for Bucharest Otopeni Intl-Chicago O'Hare Intl flights.
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From Bucharest Otopeni Intl to Chicago O'Hare Intl
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One-way flight from Bucharest Otopeni Intl to Chicago O'Hare Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Bucharest Otopeni Intl to Chicago O'Hare Intl.
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Find flight deals from Otopeni Intl to O'Hare Intl

Cheapest flights from Otopeni Intl to O'Hare Intl
Explore the most affordable flight options available from Otopeni Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This Booking.com deal was found by Cheapflights users on 1/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Wed 2/189:55 pm
ORD
-
OTP
1 stop19h 50m
LOT
Deal found 1/11$504
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:20 am
OTP
-
ORD
1 stop19h 40m
LOT
Sat 2/219:55 pm
ORD
-
OTP
1 stop17h 20m
LOT
Deal found 1/11$505
This Booking.com deal was found by Cheapflights users on 1/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:20 am
OTP
-
ORD
1 stop19h 40m
LOT
Thu 3/59:55 pm
ORD
-
OTP
1 stop11h 45m
LOT
Deal found 1/12$506
This Booking.com deal was found by Cheapflights users on 1/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/98:20 am
OTP
-
ORD
2 stops19h 35m
LOT
Thu 2/269:55 pm
ORD
-
OTP
1 stop11h 45m
LOT
Deal found 1/12$523
This SmartFares deal was found by Cheapflights users on 1/12. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/76:30 pm
OTP
-
ORD
1 stop33h 20m
LOT
Tue 4/219:50 pm
ORD
-
OTP
1 stop20h 00m
LOT
Deal found 1/12$567
This Justfly.com deal was found by Cheapflights users on 1/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:10 am
OTP
-
ORD
1 stop16h 15m
Turkish Airlines
Tue 5/57:50 pm
ORD
-
OTP
1 stop32h 15m
Turkish Airlines
Deal found 1/10$587
This Justfly.com deal was found by Cheapflights users on 1/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:10 am
OTP
-
ORD
1 stop16h 15m
Turkish Airlines
Tue 3/2412:50 pm
ORD
-
OTP
1 stop18h 20m
Turkish Airlines
Deal found 1/12$590
This FlightHub deal was found by Cheapflights users on 1/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/33:30 pm
OTP
-
ORD
1 stop26h 35m
Turkish Airlines
Tue 4/287:50 pm
ORD
-
OTP
1 stop34h 45m
Turkish Airlines
Deal found 1/11$592

Cheapflights Fare Finder

 
Customize your flight search to find flights from Otopeni Intl 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 January 12, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Otopeni Intl

Fly to

O'Hare Intl

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

10:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 4/7

11:25 am-8:10 am

1 stop12h 45m

$614

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

10:10 am-7:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 4/28

7:50 pm-12:05 pm

1 stop32h 15m

$614

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 2/1

3:30 pm-10:05 am

1 stop26h 35m

Chicago O'Hare Intl

Tue 3/31

7:50 pm-8:10 pm

1 stop16h 20m

$618

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/2

8:25 pm-5:00 pm

1 stop28h 35m

Chicago O'Hare Intl

Thu 4/30

10:35 pm-1:20 am

1 stop18h 45m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/2

8:25 pm-5:00 pm

1 stop28h 35m

Chicago O'Hare Intl

Fri 5/1

7:05 pm-7:05 pm

1 stop16h 00m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/2

8:25 pm-5:00 pm

1 stop28h 35m

Chicago O'Hare Intl

Wed 4/29

6:40 pm-12:20 am

2 stops21h 40m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

8:00 am-3:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Sun 4/26

6:00 pm-12:50 am

1 stop22h 50m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 6/3

8:15 am-6:15 pm

1 stop18h 00m

Chicago O'Hare Intl

Tue 6/30

7:05 pm-1:20 am

1 stop22h 15m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 1/26

8:25 pm-3:25 pm

1 stop27h 00m

Chicago O'Hare Intl

Fri 2/6

11:44 am-3:10 pm

2 stops19h 26m

$623

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/5

3:30 pm-1:50 pm

1 stop30h 20m

Chicago O'Hare Intl

Sun 6/28

7:04 pm-12:50 am

2 stops21h 46m

$623

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 20 results
1
2

Compare providers for flights from Otopeni Intl to O'Hare Intl

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 Otopeni Intl to O'Hare Intl in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice 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 Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust Justfly.com the most. Justfly.com 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 Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport 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 Otopeni Intl to O'Hare Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Otopeni Intl to O'Hare Intl. Price data was last updated on January 9, 2026.

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport. 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 Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport (average of $353). Flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $636). 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.

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 January 12, 2026.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, such as KLM, LOT, and Turkish Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,436 reviews
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
LOT
7.5
Good
1,168 reviews
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Turkish Airlines
7.3
Good
4,154 reviews
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,709 reviews
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,664 reviews
KLM
7.7
Good
1,436 reviews

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Entertainment

7.1

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Related info for your journey

Find useful and relevant information for your journey from Otopeni Intl 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 Otopeni Intl Airport to Chicago O'Hare Intl Airport?

    Departing from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport will take you 16h 15m. Airlines will cover a distance of 5198 mi.

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

    Turkish Airlines, at $336, was found to be the cheapest airline from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and KLM. You may be able to fly from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport for 53% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at $387. Lufthansa flights start at $615 while deals on SWISS start at $668 one-way.

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

    Looking at all options, your cheapest flight can be booked for $457. While the most popular route (Bucharest Otopeni Intl - Chicago O'Hare Intl) can be booked for $519 on average, our data indicates $469 when flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport.

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

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

  • How can I find direct flights from Otopeni Intl 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 Otopeni Intl to O'Hare Intl.

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

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

    Currently, July is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport (average of $353). Flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $636). 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
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Bridgeview
Kenosha
Warrenville
Waukegan
Aurora

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Otopeni Intl to O'Hare Intl

Discover the top 9 airlines that operate flights from Otopeni Intl 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 January 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$565Average$821FlexibilityNo cancel feeOn-time76%
KLMCheapest$570Average$825FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$571Average$788FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$581Average$696FlexibilityNo cancel feeOn-time70%
LOTCheapest$584Average$674FlexibilityNo cancel feeOn-time81%
Turkish AirlinesCheapest$589Average$733FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$621Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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