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$371+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Bucharest are usually found in November or December, booked 35 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap 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 julio 30, 2025.

Round-trip from

$565
(Kiwi.com)

One-way from

$371
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$800
From Chicago O'Hare Intl to Bucharest (BUH)
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One-way flight from Chicago O'Hare Intl to Bucharest (BUH)
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Highest demand for flights based on searches. 25% potential increase in price ($246 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 julio 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
mar. 9/307:50 pmORD - OTP
1 stop16h 30mTurkish Airlines
mar. 10/143:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 7/29$565
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
mar. 12/306:50 pmORD - OTP
1 stop12h 55mMultiple Airlines
mar. 1/135:55 amOTP - ORD
1 stop15h 15mMultiple Airlines
Deal found 7/30$567
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
dom. 8/242:05 pmORD - OTP
1 stop15h 45mLOT
jue. 9/42:35 pmOTP - ORD
1 stop13h 05mLOT
Deal found 7/29$568
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/269:45 pmORD - OTP
1 stop33h 20mBritish Airways
vie. 1/98:00 amOTP - ORD
1 stop15h 25mBritish Airways
Deal found 7/29$576
This Expedia deal was found by Cheapflights users on 7/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/107:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
mié. 9/108:35 pmOTP - ORD
2 stops32h 40mScandinavian Airlines
Deal found 7/30$581
This Air Canada deal was found by Cheapflights users on 7/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/2510:38 amORD - OTP
2 stops21h 07mAir Canada
dom. 12/75:55 amOTP - ORD
2 stops17h 00mAir Canada
Deal found 7/28$583
This United Airlines deal was found by Cheapflights users on 7/28. 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.
vie. 11/149:50 pmORD - OTP
1 stop12h 40mUnited Airlines
vie. 11/215:55 amOTP - ORD
2 stops17h 00mUnited Airlines
Deal found 7/28$585
This KLM deal was found by Cheapflights users on 7/28. 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.
jue. 8/75:10 pmORD - OTP
1 stop22h 45mAir France
dom. 8/244:50 pmOTP - ORD
1 stop30h 10mAir France
Deal found 7/28$613
This Austrian Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 12/271:24 pmORD - OTP
2 stops35h 41mAustrian Airlines
sáb. 1/106:35 pmOTP - ORD
2 stops31h 58mAustrian Airlines
Deal found 7/30$615
This Air Serbia deal was found by Cheapflights users on 7/30. 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.
sáb. 8/3011:20 pmORD - OTP
1 stop19h 45mAir Serbia
mar. 9/24:05 pmOTP - ORD
1 stop30h 20mAir Serbia
Deal found 7/30$635

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 julio 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest that are best for you.

Fly from

O'Hare Intl

Fly to

Bucharest

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 9/30

7:50 pm-8:20 pm

1 stop16h 30m

Bucharest Otopeni Intl

mar. 10/14

3:55 pm-9:40 am

1 stop25h 45m

$565

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 8/24

2:05 pm-1:50 pm

1 stop15h 45m

Bucharest Otopeni Intl

jue. 9/4

2:35 pm-7:40 pm

1 stop13h 05m

$568

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 8/10

7:15 pm-9:10 pm

1 stop17h 55m

Bucharest Otopeni Intl

mié. 9/10

8:35 pm-9:15 pm

2 stops32h 40m

$581

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 10/26

12:50 pm-3:50 pm

2 stops20h 00m

Bucharest Otopeni Intl

dom. 11/9

5:55 am-2:55 pm

2 stops17h 00m

$583

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 10/26

8:20 pm-12:55 am

2 stops21h 35m

Bucharest Otopeni Intl

dom. 11/9

6:00 am-4:45 pm

2 stops18h 45m

$585

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 8/25

6:05 pm-6:35 pm

2 stops16h 30m

Bucharest Otopeni Intl

lun. 2/2

5:55 am-2:55 pm

2 stops17h 00m

$588

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 8/7

5:10 pm-11:55 pm

1 stop22h 45m

Bucharest Otopeni Intl

dom. 8/24

4:50 pm-3:00 pm

1 stop30h 10m

$613

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 8/30

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

mar. 9/2

4:05 pm-2:25 pm

1 stop30h 20m

$635

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 8/9

5:05 am-1:40 pm

3 stops48h 35m

$371

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 10/24

11:25 am-8:10 am

1 stop12h 45m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
1
2

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

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Bucharest. Price data was last updated on July 25, 2025.

Booking 35 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.

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 $604). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $1,137). 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 ORD to BUH?

Find hourly flight availability from O'Hare Intl to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 30, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Bucharest is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 34% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Bucharest?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Bucharest. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Bucharest flight should consider departing on Wednesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 53% 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.

Warsaw (WAW) is the most affordable 1-stop option, with an average round-trip price of $2,162.

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 Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 11h 52m.

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 Warsaw (WAW) offer the fastest connection on this route, with an average layover time of 1h 08m.

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 julio 30, 2025.
Peruse reviews from past customers who have flown with LOT, Austrian Airlines, and SWISS 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
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,105 reviews
LOT
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Austrian Airlines
7.6
Good
823 reviews
LOT
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
SWISS
7.5
Good
1,686 reviews
LOT
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
United Airlines
7.4
Good
8,896 reviews
LOT
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Turkish Airlines
7.3
Good
3,928 reviews
LOT
7.6
Good
1,105 reviews

Food

7.2

Comfort

7.5

Boarding

7.6

Overall

7.6

Entertainment

7.0

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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.

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

    According to our current data, Turkish Airlines ($565), LOT ($568), and British Airways ($577) offers the cheapest pricing from Chicago O'Hare Intl Airport to Bucharest. Turkish Airlines is priced at 21% 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 Turkish Airlines, which is currently one of the cheapest options available, starting at $381. Austrian Airlines flights start at $462 while deals on Lufthansa start at $463 one-way.

  • 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 $604). Flying from Chicago O'Hare Intl Airport to Bucharest in June is currently the most expensive (average of $1,137). 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

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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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$753FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$610FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$638FlexibilityNo cancel feeOn-time78%
LOTCheapest$535Average$884FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$715FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$545Average$929FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$772FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$898FlexibilityNo cancel feeOn-time69%

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