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O'Hare Intl

$352+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$566
(oojo)

One-way from

$352
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$638
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. 7% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 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 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 septiembre 11, 2025.

This oojo deal was found by Cheapflights users on 9/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/35:35 amOTP - ORD
1 stop22h 25mLOT
mié. 12/109:55 pmORD - OTP
1 stop31h 55mLOT
Deal found 9/10$566
This LOT deal was found by Cheapflights users on 9/10. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:25 pmOTP - ORD
1 stop33h 35mLOT
jue. 1/229:55 pmORD - OTP
1 stop11h 45mLOT
Deal found 9/10$617
This FlightHub deal was found by Cheapflights users on 9/9. 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.
vie. 11/219:50 pmOTP - ORD
1 stop28h 35mTurkish Airlines
sáb. 11/2911:50 amORD - OTP
1 stop13h 00mTurkish Airlines
Deal found 9/9$619
This oojo deal was found by Cheapflights users on 9/9. 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.
sáb. 9/276:15 pmOTP - ORD
1 stop25h 50mLOT
sáb. 10/119:40 pmORD - OTP
1 stop20h 10mLOT
Deal found 9/9$622
This Gotogate deal was found by Cheapflights users on 9/9. 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.
dom. 11/210:10 amOTP - ORD
1 stop31h 55mTurkish Airlines
sáb. 11/1511:50 amORD - OTP
1 stop13h 00mTurkish Airlines
Deal found 9/9$627
This oojo deal was found by Cheapflights users on 9/9. 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. 12/226:25 pmOTP - ORD
1 stop33h 35mLOT
jue. 1/89:55 pmORD - OTP
1 stop17h 20mLOT
Deal found 9/9$630
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/226:25 pmOTP - ORD
1 stop33h 35mLOT
vie. 1/239:55 pmORD - OTP
1 stop19h 50mLOT
Deal found 9/10$633
This oojo deal was found by Cheapflights users on 9/9. 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.
jue. 10/236:30 pmOTP - ORD
2 stops28h 25mLOT
jue. 11/279:55 pmORD - OTP
1 stop17h 20mLOT
Deal found 9/9$634
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:25 amOTP - ORD
1 stop16h 35mAmerican Airlines
sáb. 10/114:26 pmORD - OTP
2 stops24h 04mAmerican Airlines
Deal found 9/11$636
This American Airlines deal was found by Cheapflights users on 9/9. 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.
lun. 10/138:25 amOTP - ORD
1 stop35h 25mAmerican Airlines
lun. 10/273:08 pmORD - OTP
2 stops24h 52mAmerican Airlines
Deal found 9/9$637
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/234:40 pmOTP - ORD
1 stop29h 10mBritish Airways
jue. 1/224:33 pmORD - OTP
2 stops23h 12mBritish Airways
Deal found 9/10$638

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 septiembre 11, 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

jue. 10/23

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

jue. 11/27

9:55 pm-1:45 am

1 stop19h 50m

$622

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 10/14

8:20 am-7:40 pm

1 stop19h 20m

Chicago O'Hare Intl

mar. 10/21

9:40 pm-5:45 pm

1 stop12h 05m

$632

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 10/29

2:35 pm-9:00 pm

1 stop13h 25m

Chicago O'Hare Intl

mar. 11/4

9:55 pm-1:50 pm

1 stop31h 55m

$634

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

jue. 9/25

8:25 am-5:00 pm

1 stop16h 35m

Chicago O'Hare Intl

mié. 10/8

10:35 pm-8:20 pm

1 stop13h 45m

$637

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 10/13

8:25 am-11:50 am

1 stop35h 25m

Chicago O'Hare Intl

lun. 10/27

9:45 pm-2:45 pm

1 stop34h 00m

$637

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 12/24

3:50 pm-3:25 pm

1 stop31h 35m

Chicago O'Hare Intl

mié. 1/21

5:10 pm-3:45 pm

1 stop14h 35m

$638

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 12/23

4:40 pm-1:50 pm

1 stop29h 10m

Chicago O'Hare Intl

sáb. 1/24

4:41 pm-11:45 pm

2 stops23h 04m

$638

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 12/23

4:40 pm-6:45 pm

1 stop34h 05m

Chicago O'Hare Intl

dom. 1/25

6:45 pm-7:35 pm

1 stop16h 50m

$638

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 12/24

8:05 am-3:25 pm

1 stop15h 20m

Chicago O'Hare Intl

vie. 1/23

5:30 pm-11:25 pm

2 stops21h 55m

$638

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mié. 10/15

1:05 pm-12:35 pm

3 stops31h 30m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
2

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 August 29, 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 septiembre 11, 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.

How much does it cost to fly round-trip from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?

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 septiembre 11, 2025.
Read through reviews of airlines operating flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport, such as KLM, LOT, and American 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

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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.
LOT
7.6
Good
1,114 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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.
American Airlines
7.2
Good
10,000 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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.
Lufthansa
6.8
Okay
7,409 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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.
British Airways
6.7
Okay
7,361 reviews
KLM
7.8
Good
1,385 reviews

Boarding

7.8

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

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 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 14h 50m. 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 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 51% less than the average price by searching for these airlines.

  • 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 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 septiembre 11, 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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