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O'Hare Intl

$368+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
avr. 21 — avr. 281
lun. 4/21
lun. 4/28
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest Otopeni Intl to Chicago O'Hare Intl are usually found in November or February, booked 90 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

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 avril 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$601
(Scandinavian Airlines)

One-way from

$368
(Air Serbia)

Popular in

July

Cheapest in

November

Average price

$652
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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Highest demand for flights based on searches. 12% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 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 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 avril 16, 2025.

This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 6/159:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
jeu. 9/187:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Deal found 4/16$601
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.
ven. 6/137:00 amOTP - ORD
1 stop15h 10mDelta
mer. 7/912:17 pmORD - OTP
2 stops15h 53mDelta
Deal found 4/16$618
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 6/78:35 amOTP - ORD
1 stop13h 35mMultiple Airlines
mer. 7/95:10 pmORD - OTP
1 stop19h 00mMultiple Airlines
Deal found 4/16$620
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 9/268:25 amOTP - ORD
1 stop15h 30mBritish Airways
ven. 10/1010:35 pmORD - OTP
1 stop17h 15mBritish Airways
Deal found 4/16$622
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/174:50 pmOTP - ORD
1 stop29h 20mKLM
mar. 9/164:20 pmORD - OTP
1 stop23h 25mKLM
Deal found 4/16$626
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/162:35 pmOTP - ORD
1 stop32h 35mLOT
mar. 9/169:40 pmORD - OTP
1 stop17h 30mLOT
Deal found 4/16$628
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.
sam. 11/14:30 amOTP - ORD
1 stop20h 10mAir Serbia
sam. 11/86:40 pmORD - OTP
1 stop12h 35mAir Serbia
Deal found 4/16$663
This United Airlines deal was found by Cheapflights users on 4/15. 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.
lun. 6/166:00 amOTP - ORD
2 stops35h 52mUnited Airlines
mar. 9/1610:50 amORD - OTP
2 stops18h 10mUnited Airlines
Deal found 4/15$691
This Air France 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 4/246:30 amOTP - ORD
1 stop16h 30mAir France
lun. 5/55:10 pmORD - OTP
1 stop22h 45mAir France
Deal found 4/16$700
This Lufthansa deal was found by Cheapflights users on 4/15. 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.
ven. 6/276:00 amOTP - ORD
1 stop13h 00mLufthansa
ven. 7/184:00 pmORD - OTP
1 stop12h 55mLufthansa
Deal found 4/15$744
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 6/186:30 amOTP - ORD
1 stop17h 25mSWISS
dim. 9/146:00 pmORD - OTP
2 stops35h 45mSWISS
Deal found 4/16$765
This Austrian Airlines deal was found by Cheapflights users on 4/15. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/166:55 pmOTP - ORD
2 stops25h 55mAustrian Airlines
jeu. 9/184:20 pmORD - OTP
1 stop17h 45mAustrian Airlines
Deal found 4/15$774

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 avril 16, 2025.
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

dim. 6/15

9:25 pm-4:10 pm

1 stop26h 45m

Chicago O'Hare Intl

jeu. 9/18

7:15 pm-9:10 pm

1 stop17h 55m

$601

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ven. 6/13

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

mer. 7/9

12:17 pm-12:10 pm

2 stops15h 53m

$618

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sam. 6/7

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

mer. 7/9

5:10 pm-8:10 pm

1 stop19h 00m

$620

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ven. 9/26

8:25 am-3:55 pm

1 stop15h 30m

Chicago O'Hare Intl

ven. 10/10

10:35 pm-11:50 pm

1 stop17h 15m

$622

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 6/17

1:45 pm-2:10 pm

1 stop32h 25m

Chicago O'Hare Intl

lun. 9/15

4:50 pm-3:25 pm

1 stop14h 35m

$626

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

2:35 pm-3:10 pm

1 stop32h 35m

Chicago O'Hare Intl

mar. 9/16

9:40 pm-11:10 pm

1 stop17h 30m

$628

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 6/16

6:00 am-9:52 am

2 stops35h 52m

Chicago O'Hare Intl

mar. 9/16

10:50 am-1:00 pm

2 stops18h 10m

$691

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ven. 8/15

8:40 am-3:00 pm

1 stop14h 20m

Chicago O'Hare Intl

ven. 10/24

5:10 pm-3:50 pm

1 stop14h 40m

$699

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ven. 6/27

6:00 am-11:00 am

1 stop13h 00m

Chicago O'Hare Intl

ven. 7/18

4:00 pm-12:55 pm

1 stop12h 55m

$744

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mer. 6/18

6:30 am-3:55 pm

1 stop17h 25m

Chicago O'Hare Intl

dim. 9/14

6:00 pm-1:45 pm

2 stops35h 45m

$765

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 21 results
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bucharest Otopeni Intl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >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 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 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 April 11, 2025.

Booking 90 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, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Bucharest Otopeni Intl Airport 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 OTP to ORD?

Find hourly flight availability from Otopeni Intl 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 avril 16, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 18% on flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 avril 16, 2025.
See what other customers who have flown with Emirates, Delta and KLM from Bucharest to Chicago have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,200 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,916 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,326 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,065 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Austrian Airlines
7.6
Good
775 reviews
Emirates
8.0
Very good
3,200 reviews

Comfort

8.0

Food

7.8

Entertainment

8.2

Crew

8.3

Overall

8.0

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

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.

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

    Scandinavian Airlines, at $601, 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 Delta and British Airways. You may be able to fly from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport for 14% 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 $368. ITA Airways flights start at $498 while deals on Delta start at $668 one-way.

  • 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, August is the cheapest month in which you can book a flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Bucharest Otopeni Intl Airport 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 Bucharest Otopeni Intl Airport?

Book flights to Bucharest Otopeni Intl Airport if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Racine
Naperville
Rockford
Skokie
Tinley Park
Kenosha
Arlington Heights
Elgin
Joliet
Orland Park
Merrillville
Northbrook
Lake Geneva
Waukegan
Glenview
Oak Brook

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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 avril 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$684FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$691FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$700FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$582Average$686FlexibilityNo cancel feeOn-time81%
DeltaCheapest$585Average$634FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$593Average$847FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$815FlexibilityNo cancel feeOn-time69%

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