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O'Hare Intl

$336+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — ORD
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
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Cheap 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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. 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 9/207:40 am
OTP
-
ORD
2 stops38h 50m
Multiple Airlines
Mon 10/123:35 pm
ORD
-
OTP
1 stop12h 25m
Multiple Airlines
Deal found 2/8$593
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 3/82:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Tue 3/2410:55 pm
ORD
-
OTP
1 stop17h 20m
LOT
Deal found 2/6$620
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 9/209:00 am
OTP
-
ORD
Nonstop10h 50m
Multiple Airlines
Wed 10/149:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Deal found 2/8$624
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/202:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Thu 3/59:55 pm
ORD
-
OTP
1 stop19h 50m
LOT
Deal found 2/6$627
This FlightHub deal was found by Cheapflights users on 2/8. 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 9/228:20 am
OTP
-
ORD
1 stop14h 50m
LOT
Thu 10/159:50 pm
ORD
-
OTP
1 stop17h 25m
LOT
Deal found 2/8$634
This Gotogate deal was found by Cheapflights users on 2/6. 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.
Sun 2/225:35 am
OTP
-
ORD
1 stop22h 25m
LOT
Mon 3/910:55 pm
ORD
-
OTP
1 stop11h 45m
LOT
Deal found 2/6$636
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 9/204:05 pm
OTP
-
ORD
1 stop30h 25m
Multiple Airlines
Sun 10/113:35 pm
ORD
-
OTP
1 stop12h 25m
Multiple Airlines
Deal found 2/8$638
This LOT deal was found by Cheapflights users on 2/6. 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.
Fri 3/62:35 pm
OTP
-
ORD
1 stop13h 25m
LOT
Tue 4/79:50 pm
ORD
-
OTP
1 stop20h 00m
LOT
Deal found 2/6$645
This FlightHub deal was found by Cheapflights users on 2/8. 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.
Mon 10/266:25 pm
OTP
-
ORD
1 stop33h 35m
LOT
Sun 12/69:55 pm
ORD
-
OTP
2 stops31h 55m
LOT
Deal found 2/8$646
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 10/259:00 am
OTP
-
ORD
Nonstop9h 50m
Multiple Airlines
Tue 12/89:50 pm
ORD
-
OTP
1 stop12h 45m
Multiple Airlines
Deal found 2/8$648
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 9/228:35 pm
OTP
-
ORD
2 stops25h 55m
Multiple Airlines
Wed 10/149:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Deal found 2/8$649

Find 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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$620
(Kiwi.com)

One-way from

$336
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$622

Good round-trip deal

$462 or less
Provider with most accurate pricing for Bucharest (BUH)-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago O'Hare Intl flights.
Search Deals
From Bucharest (BUH) to Chicago O'Hare Intl
Search Deals
One-way flight from Bucharest (BUH) to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Bucharest (BUH) to Chicago O'Hare Intl.
Search Deals

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 February 9, 2026.
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

Mon 3/2

5:35 am-7:55 pm

2 stops22h 20m

Chicago O'Hare Intl

Mon 3/9

10:55 pm-1:50 pm

1 stop31h 55m

$666

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 2/28

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Thu 5/14

6:15 pm-11:20 pm

1 stop21h 05m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 2/22

5:55 am-3:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Fri 5/15

6:15 pm-11:40 pm

1 stop21h 25m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/23

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Mon 5/11

4:05 pm-4:20 pm

1 stop16h 15m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/27

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Tue 5/12

2:55 pm-1:00 pm

1 stop14h 05m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/23

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 5/15

6:15 pm-11:40 pm

1 stop21h 25m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/26

5:50 am-11:10 am

1 stop13h 20m

Chicago O'Hare Intl

Wed 3/11

12:03 pm-2:00 pm

2 stops18h 57m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/25

6:05 am-1:25 pm

1 stop15h 20m

Chicago O'Hare Intl

Wed 5/13

6:15 pm-11:50 pm

1 stop21h 35m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 2/24

5:55 am-1:25 pm

1 stop15h 30m

Chicago O'Hare Intl

Sun 5/17

6:15 pm-11:40 pm

1 stop21h 25m

$706

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/26

5:50 am-3:20 pm

1 stop17h 30m

Chicago O'Hare Intl

Sun 5/17

6:15 pm-11:40 pm

1 stop21h 25m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 24 results
1
2
3
  • Most accurate provider: When it comes to deals on Bucharest-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bucharest-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-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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-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 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 $452). Flying from Bucharest to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $630). 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’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.

Warsaw (WAW) – chosen by Cheapflights users on 44% 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.

Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $590.

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 February 9, 2026.
Read through reviews of airlines operating flights from Bucharest to Chicago O'Hare Intl Airport, such as KLM, LOT, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
1,450 reviews
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
1,179 reviews
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,259 reviews
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
4,210 reviews
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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
7,775 reviews
KLM
7.7
Good
1,450 reviews

Food

7.3

Comfort

7.6

Crew

8.4

Boarding

7.8

Overall

7.7

Entertainment

7.1

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 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 13h 15m. Fly via LOT or United Airlines 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 British Airways and LOT. Turkish Airlines is priced at 57% lower than the current average price of a flight leaving 3 months from now.

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

    $387 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from $479 and $615, respectively.

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

    The cheapest flight price from Bucharest to Chicago O'Hare Intl Airport is $457. On average you can expect to pay $469. The most popular route, (Bucharest Otopeni Intl - Chicago O'Hare Intl), can usually be booked for $657.

  • 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 $452). Flying from Bucharest to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $630). 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
Naperville
Gurnee
Elgin
Hoffman Estates
Beloit
Delavan
Oak Brook
Des Plaines
Downers Grove
Elk Grove Village
Skokie
Libertyville
Lake Geneva
Waukegan
Bridgeview
Kenosha
Warrenville
Aurora

Browse thousands of different options on Cheapflights for your next trip

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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$760FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$581Average$671FlexibilityNo cancel feeOn-time70%
LOTCheapest$587Average$667FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$595Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$603Average$799FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$604Average$788FlexibilityNo cancel feeOn-time69%
KLMCheapest$612Average$834FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$621Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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