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$543+ Cheap flights from Bucharest (BUH) to Chicago (CHI)

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Jan 7 — Jan 141
Tue 1/7
Tue 1/14
1 adult, Economy
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The best prices from Bucharest to Chicago are usually found in February or March, booked 64 days in advance, depart on a Saturday or Tuesday and return on a Monday

Cheap flight deals from Bucharest to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Bucharest (BUH) to Chicago (CHI). 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 January 2, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$570
(KLM)

One-way from

$543
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$665
Provider with most accurate pricing for Bucharest (BUH)-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago (CHI) flights.
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From Bucharest (BUH) to Chicago (CHI)
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One-way flight from Bucharest (BUH) to Chicago (CHI)
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High demand for flights, 9% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in January 2025
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Find flight deals from Bucharest to Chicago

Cheapest flights from Bucharest to Chicago
Explore the most affordable flight options available from Bucharest to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 2, 2025.

This KLM deal was found by Cheapflights users on 1/1. 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.
Wed 4/167:00 amOTP - ORD
1 stop15h 10mMultiple Airlines
Wed 4/305:15 pmORD - OTP
1 stop14h 35mMultiple Airlines
Deal found 1/1$570
This Air France deal was found by Cheapflights users on 1/1. 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.
Thu 1/168:35 amOTP - MDW
2 stops17h 39mKLM
Wed 1/292:08 pmMDW - OTP
2 stops15h 02mKLM
Deal found 1/1$573
This American Airlines deal was found by Cheapflights users on 1/1. 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.
Thu 1/168:05 amOTP - ORD
2 stops19h 15mAmerican Airlines
Wed 1/294:22 pmORD - OTP
2 stops15h 28mAmerican Airlines
Deal found 1/1$573
This Delta deal was found by Cheapflights users on 1/1. 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.
Fri 3/216:00 amOTP - ORD
1 stop16h 30mDelta
Fri 4/44:20 pmORD - OTP
1 stop17h 00mDelta
Deal found 1/1$574
This KLM deal was found by Cheapflights users on 1/1. 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.
Tue 6/174:50 pmOTP - ORD
1 stop29h 20mKLM
Sat 7/194:20 pmORD - OTP
1 stop15h 05mKLM
Deal found 1/1$581
This British Airways deal was found by Cheapflights users on 1/1. 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.
Fri 1/174:35 pmOTP - ORD
1 stop30h 10mBritish Airways
Tue 1/216:35 pmORD - OTP
1 stop12h 10mBritish Airways
Deal found 1/1$593
This Delta deal was found by Cheapflights users on 1/1. 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 6/177:00 amOTP - MDW
2 stops18h 01mDelta
Sat 7/196:45 pmMDW - OTP
2 stops14h 55mDelta
Deal found 1/1$627
This United Airlines deal was found by Cheapflights users on 1/1. 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.
Mon 3/36:05 amOTP - ORD
2 stops21h 50mUnited Airlines
Mon 9/82:20 pmORD - OTP
1 stop17h 00mUnited Airlines
Deal found 1/1$633
This Gotogate deal was found by Cheapflights users on 1/1. 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.
Mon 3/36:30 amOTP - ORD
1 stop17h 45mSWISS
Mon 9/82:20 pmORD - OTP
1 stop17h 00mSWISS
Deal found 1/1$640
This FlightHub deal was found by Cheapflights users on 1/1. 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 6/175:25 amOTP - ORD
1 stop17h 45mLOT
Fri 7/185:10 pmORD - OTP
2 stops40h 20mLOT
Deal found 1/1$815
This Gotogate deal was found by Cheapflights users on 1/1. 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.
Fri 1/106:40 amOTP - ORD
1 stop15h 25mAustrian Airlines
Fri 1/174:20 pmORD - OTP
1 stop12h 10mAustrian Airlines
Deal found 1/1$820
This Air Canada deal was found by Cheapflights users on 1/1. 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.
Tue 6/176:30 amOTP - ORD
2 stops17h 25mAir Canada
Fri 7/1811:55 amORD - OTP
2 stops16h 00mAir Canada
Deal found 1/1$883

Find flights from Bucharest to Chicago within your budget

Customize your flight search to find flights from Bucharest to Chicago 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 January 2, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 4/16

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 4/30

5:15 pm-3:50 pm

1 stop14h 35m

$570

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 1/16

8:35 am-6:14 pm

2 stops17h 39m

Chicago Midway

Wed 1/29

2:08 pm-1:10 pm

2 stops15h 02m

$573

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 1/16

8:05 am-7:20 pm

2 stops19h 15m

Chicago O'Hare Intl

Wed 1/29

4:22 pm-3:50 pm

2 stops15h 28m

$573

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/21

6:00 am-3:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Fri 4/4

2:10 pm-5:20 pm

2 stops19h 10m

$574

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 6/17

4:50 pm-2:10 pm

1 stop29h 20m

Chicago O'Hare Intl

Sat 7/19

4:20 pm-3:25 pm

1 stop15h 05m

$581

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 1/17

4:35 pm-2:45 pm

1 stop30h 10m

Chicago O'Hare Intl

Tue 1/21

6:35 pm-2:45 pm

1 stop12h 10m

$593

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Tue 6/17

7:00 am-5:01 pm

2 stops18h 01m

Chicago Midway

Sat 7/19

6:45 pm-5:40 pm

2 stops14h 55m

$627

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/3

6:05 am-7:55 pm

2 stops21h 50m

Chicago O'Hare Intl

Mon 9/8

2:20 pm-3:20 pm

1 stop17h 00m

$633

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/3

6:30 am-4:15 pm

1 stop17h 45m

Chicago O'Hare Intl

Mon 9/8

2:20 pm-3:20 pm

1 stop17h 00m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 6/17

5:25 am-3:10 pm

1 stop17h 45m

Chicago O'Hare Intl

Fri 7/18

5:10 pm-5:30 pm

2 stops40h 20m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 16 results
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Compare providers for flights from Bucharest to Chicago

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 Bucharest to Chicago in January.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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-Chicago flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Bucharest-Chicago flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Bucharest-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bucharest-Chicago 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-Chicago 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 Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Travel insights for flights from Bucharest to Chicago

Get recent, data-driven insights about flights from Bucharest to Chicago including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Bucharest to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Bucharest to Chicago. Price data was last updated on December 27, 2024.

Booking 43 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bucharest to Chicago. 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 to Chicago?

Currently, August is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $245). Flying from Bucharest to Chicago in March is currently the most expensive (average of $318). 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 BUH to CHI?

Find hourly flight availability from Bucharest to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 2, 2025.

A simple way to save on the total cost of your ticket is to fly from Bucharest to Chicago in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the evening.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago 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 when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated January 2, 2025.
See what other customers who have flown with Delta, KLM and Emirates from Bucharest to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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
8.1
Very good
3,362 reviews
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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
8,537 reviews
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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
1,340 reviews
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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
1,112 reviews
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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.

Qatar Airways
7.5
Good
3,747 reviews
Emirates
8.1
Very good
3,362 reviews

Boarding

8.1

Food

7.9

Overall

8.1

Comfort

8.0

Entertainment

8.2

Crew

8.3

Reviews

1 / 10

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 Bucharest to Chicago. 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 to Chicago round-trip?

    KLM, at $573, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include American Airlines and Delta. These flights start at 16% lower than the current average price 3 months from now.

  • Can I find deals for flights from Bucharest to Chicago that include hotel bookings?

    Yes. In addition to deals on Bucharest to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bucharest to Chicago?

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

  • Can I find deals for business class flights from Bucharest to Chicago?

    Yes. Cheapflights offers flight deals from Bucharest to Chicago 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?

    Currently, August is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $245). Flying from Bucharest to Chicago in March is currently the most expensive (average of $318). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Bucharest to Chicago

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
Otopeni Intl to St. Louis flights
Cluj Napoca to St. Louis flights

Top 7 airlines flying from Bucharest to Chicago

Discover the top 7 airlines that operate flights from Bucharest to Chicago. 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 January 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$493Average$759FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$560Average$704FlexibilityNo cancel feeOn-time70%
LOTCheapest$577Average$653FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
KLMCheapest$586Average$700FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$593Average$753FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$821FlexibilityNo cancel feeOn-time69%
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