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$311+ Cheap flights from O'Hare Intl (ORD) to Bucharest (BUH)

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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Find cheap flights from O'Hare Intl to Bucharest with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bucharest are usually found in February or January, booked 5 days in advance, depart on a Tuesday or Sunday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Bucharest

Cheapest flights from O'Hare Intl to Bucharest
Explore the most affordable flight options available from O'Hare Intl to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Booking.com deal was found by Cheapflights users on 7/20. 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 9/68:10 pm
ORD
-
OTP
2 stops39h 35m
Turkish Airlines
Wed 9/163:50 pm
OTP
-
ORD
1 stop34h 25m
Turkish Airlines
Deal found 7/20$786
This deal was found by Cheapflights users on 7/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3011:25 am
ORD
-
OTP
1 stop15h 50m
Turkish Airlines
Thu 10/159:30 am
OTP
-
ORD
1 stop16h 45m
Turkish Airlines
Deal found 7/20$787
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:25 am
ORD
-
OTP
2 stops24h 20m
Turkish Airlines
Mon 10/198:35 pm
OTP
-
ORD
1 stop21h 05m
Turkish Airlines
Deal found 7/22$788
This Air Serbia deal was found by Cheapflights users on 7/21. 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.
Sat 8/2211:20 pm
ORD
-
OTP
1 stop19h 45m
Air Serbia
Sat 9/54:30 am
OTP
-
ORD
1 stop24h 45m
Air Serbia
Deal found 7/21$789
This deal was found by Cheapflights users on 7/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:10 pm
ORD
-
OTP
1 stop16h 05m
Turkish Airlines
Fri 10/169:30 am
OTP
-
ORD
1 stop16h 45m
Turkish Airlines
Deal found 7/20$790
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:15 pm
ORD
-
OTP
2 stops20h 30m
Scandinavian Airlines
Tue 9/224:50 pm
OTP
-
ORD
2 stops31h 20m
Scandinavian Airlines
Deal found 7/19$791
This deal was found by Cheapflights users on 7/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm
ORD
-
OTP
1 stop16h 05m
Turkish Airlines
Thu 10/159:30 am
OTP
-
ORD
1 stop16h 45m
Turkish Airlines
Deal found 7/20$792
This FlightHub deal was found by Cheapflights users on 7/21. 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.
Wed 8/198:40 am
ORD
-
OTP
2 stops22h 40m
Multiple Airlines
Tue 8/256:05 am
OTP
-
ORD
1 stop14h 50m
Multiple Airlines
Deal found 7/21$793
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:10 pm
ORD
-
OTP
1 stop31h 50m
Turkish Airlines
Mon 9/146:25 pm
OTP
-
ORD
2 stops47h 15m
Turkish Airlines
Deal found 7/22$794
This Delta deal was found by Cheapflights users on 7/21. 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.
Tue 8/1811:22 am
ORD
-
OTP
2 stops18h 18m
Delta
Tue 8/257:05 am
OTP
-
ORD
2 stops22h 47m
Delta
Deal found 7/21$796
This Kiwi.com deal was found by Cheapflights users on 7/19. 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.
Wed 9/29:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
Wed 9/92:35 pm
OTP
-
ORD
1 stop13h 15m
LOT
Deal found 7/19$797
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 8/1810:35 am
ORD
-
OTP
2 stops17h 25m
United Airlines
Tue 8/251:50 pm
OTP
-
ORD
2 stops17h 50m
United Airlines
Deal found 7/19$798

Find flight deals from O'Hare Intl to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Bucharest (BUH). 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 July 24, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$786
(Booking.com)

One-way from

$311
(Kiwi.com)

Popular in

November

Cheapest in

February

Average price

$902

Good round-trip deal

$932 or less

Good one-way deal

$478 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Bucharest (BUH) flights.
Search Deals
From Chicago O'Hare Intl to Bucharest (BUH)
Search Deals
One-way flight from Chicago O'Hare Intl to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Bucharest (BUH).
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Bucharest (BUH).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Bucharest 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 July 24, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/2

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Wed 9/16

9:35 pm-9:40 am

1 stop20h 05m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

8:10 pm-12:00 pm

1 stop31h 50m

Bucharest Otopeni Intl

Mon 9/14

6:25 pm-9:40 am

2 stops47h 15m

$794

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/18

11:22 am-1:40 pm

2 stops18h 18m

Bucharest Otopeni Intl

Tue 8/25

7:05 am-9:52 pm

2 stops22h 47m

$796
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/2

9:50 pm-1:50 am

1 stop20h 00m

Bucharest Otopeni Intl

Wed 9/16

2:35 pm-7:50 pm

1 stop13h 15m

$797

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/18

10:35 am-12:00 pm

2 stops17h 25m

Bucharest Otopeni Intl

Tue 8/25

1:50 pm-11:40 pm

2 stops17h 50m

$798

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/3

11:25 am-11:30 am

1 stop16h 05m

Bucharest Otopeni Intl

Mon 9/21

6:25 pm-9:40 am

2 stops47h 15m

$813

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/8

11:05 am-1:00 pm

2 stops17h 55m

Bucharest Otopeni Intl

Tue 9/22

6:05 am-7:55 pm

1 stop21h 50m

$819

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 12/11

6:30 am-12:30 pm

2 stops22h 00m

Bucharest Otopeni Intl

Mon 12/21

7:10 pm-11:22 pm

2 stops36h 12m

$829

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 8/28

11:25 am-12:05 pm

1 stop16h 40m

Bucharest Otopeni Intl

Mon 9/14

6:25 pm-9:40 am

2 stops47h 15m

$834

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/3

11:25 am-11:30 am

1 stop16h 05m

Bucharest Otopeni Intl

Sun 9/20

3:40 pm-9:40 am

2 stops26h 00m

$845

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl to Bucharest

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 O'Hare Intl to Bucharest in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Chicago O'Hare Intl Airport-Bucharest flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Chicago O'Hare Intl Airport-Bucharest flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Bucharest flights, Cheapflights users trust Ovago the most. Ovago 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 Chicago O'Hare Intl Airport-Bucharest 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 O'Hare Intl to Bucharest

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

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Bucharest?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $537). Flying from Chicago O'Hare Intl Airport to Bucharest in May is currently the most expensive (average of $1,047). 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.

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

Airfare is typical for this route at the moment.
Chicago O'Hare Intl Airport to Bucharest flights typically cost between $709 and $1,032 in September.
The cheapest round-trip price found within the last 5 days was $786 on Turkish Airlines (Sep 6-Sep 16).

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

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

Amsterdam (AMS) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago O'Hare Intl Airport to Bucharest on Cheapflights.

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

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

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $657.

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

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Munich (MUC) have the shortest average one-way travel time for 1-stop routes: 12h 25m.

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

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Bucharest, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 2h 06m.

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

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Bucharest. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated July 24, 2026.
Peruse reviews from past customers who have flown with LOT,SWISS, andTurkish Airlines from Chicago O'Hare Intl Airport to Bucharest to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,211 reviews

Entertainment

6.9

Food

7.2

Boarding

7.5

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,211 reviews
LOT
7.5
Good
1,211 reviews

Entertainment

6.9

Food

7.2

Boarding

7.5

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
SWISS
7.5
Good
2,019 reviews
LOT
7.5
Good
1,211 reviews

Entertainment

6.9

Food

7.2

Boarding

7.5

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.4
Good
4,451 reviews
LOT
7.5
Good
1,211 reviews

Entertainment

6.9

Food

7.2

Boarding

7.5

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
8,158 reviews
LOT
7.5
Good
1,211 reviews

Entertainment

6.9

Food

7.2

Boarding

7.5

Crew

8.2

Overall

7.5

Comfort

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

Related info for your journey

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

    A quick flight from Chicago O'Hare Intl Airport to Bucharest can take about 16h 35m. Delta provides one of the quickest options available for as low as $787. 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 Chicago O'Hare Intl Airport to Bucharest round-trip?

    According to our current data, United Airlines ($300), British Airways ($418), and Turkish Airlines ($503) offers the cheapest pricing from Chicago O'Hare Intl Airport to Bucharest. United Airlines is priced at 60% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Austrian Airlines, which is currently one of the cheapest options available, starting at $251. KLM flights start at $270 while deals on Lufthansa start at $280 one-way.

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

    While on average a flight from Chicago O'Hare Intl Airport to Bucharest is generally $731, our data shows the cheapest flight currently is $426. When looking at the most popular route, (Chicago O'Hare Intl - Bucharest Otopeni Intl), you can expect to pay $641 for that flight.

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

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

  • How can I find direct flights from O'Hare Intl to Bucharest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Bucharest.

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

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

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Bucharest (average of $537). Flying from Chicago O'Hare Intl Airport to Bucharest in May is currently the most expensive (average of $1,047). 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?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Otopeni Intl flights
O'Hare Intl to Timisoara flights
O'Hare Intl to Iaşi flights
O'Hare Intl to Oradea flights

Top 10 airlines flying from O'Hare Intl to Bucharest

Discover the top 10 airlines that operate flights from O'Hare Intl to Bucharest. 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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$300Average$799FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$418Average$762FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$503Average$574FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$510Average$949FlexibilityNo cancel feeOn-time77%
KLMCheapest$541Average$814FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$553Average$821FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$566Average$747FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$569Average$1,063FlexibilityNo cancel feeOn-time79%
DeltaCheapest$575Average$1,039FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$586Average$1,112FlexibilityNo cancel feeOn-time81%

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