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$355+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest to Chicago are usually found in February or April, booked 86 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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$605
(Scandinavian Airlines)

One-way from

$355
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$617
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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Highest demand for flights based on searches. 8% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 22, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/159:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
Sun 9/147:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Deal found 4/21$605
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:30 pmOTP - ORD
1 stop33h 10mLOT
Tue 9/165:10 pmORD - OTP
2 stops16h 35mLOT
Deal found 4/21$606
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/64:50 pmOTP - ORD
1 stop29h 20mMultiple Airlines
Thu 7/105:10 pmORD - OTP
1 stop19h 00mMultiple Airlines
Deal found 4/21$620
This Priceline deal was found by Cheapflights users on 4/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/58:25 amOTP - ORD
1 stop14h 20mBritish Airways
Thu 6/125:45 pmORD - OTP
1 stop23h 40mBritish Airways
Deal found 4/21$622
This KLM deal was found by Cheapflights users on 4/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:35 amOTP - ORD
1 stop13h 35mKLM
Thu 7/34:20 pmORD - OTP
1 stop23h 25mKLM
Deal found 4/21$626
This Delta deal was found by Cheapflights users on 4/21. 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.
Fri 6/67:00 amOTP - MDW
2 stops18h 45mDelta
Tue 7/81:00 pmMDW - OTP
2 stops15h 10mDelta
Deal found 4/21$628
This Expedia deal was found by Cheapflights users on 4/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:40 amOTP - ORD
1 stop14h 20mAir France
Fri 5/93:33 pmORD - OTP
2 stops16h 17mAir France
Deal found 4/21$628
This Delta deal was found by Cheapflights users on 4/21. 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.
Mon 5/197:00 amOTP - ORD
1 stop15h 10mDelta
Mon 5/261:45 pmORD - OTP
2 stops15h 15mDelta
Deal found 4/21$629
This United Airlines deal was found by Cheapflights users on 4/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:00 amOTP - ORD
2 stops37h 24mUnited Airlines
Thu 7/34:00 pmORD - OTP
2 stops18h 35mUnited Airlines
Deal found 4/21$691
This Air Canada deal was found by Cheapflights users on 4/21. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/46:00 amOTP - ORD
2 stops40h 55mAir Canada
Thu 7/108:40 amORD - OTP
2 stops22h 40mAir Canada
Deal found 4/21$760
This SWISS deal was found by Cheapflights users on 4/21. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/144:10 pmOTP - ORD
1 stop31h 45mSWISS
Thu 9/184:00 pmORD - OTP
2 stops39h 20mSWISS
Deal found 4/21$771
This Austrian Airlines deal was found by Cheapflights users on 4/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/166:35 amOTP - ORD
1 stop14h 45mAustrian Airlines
Thu 9/185:55 pmORD - OTP
2 stops22h 15mAustrian Airlines
Deal found 4/21$778

Cheapflights Fare Finder

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 April 22, 2025.
Use the filters below to find and compare flights from Bucharest to Chicago that are best for you.

Fly from

Bucharest

Fly to

Chicago

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 6/15

9:25 pm-4:10 pm

1 stop26h 45m

Chicago O'Hare Intl

Sun 9/14

7:15 pm-9:10 pm

1 stop17h 55m

$605

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 6/16

6:30 pm-7:40 pm

1 stop33h 10m

Chicago O'Hare Intl

Tue 9/16

5:10 pm-5:45 pm

2 stops16h 35m

$606

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/6

4:50 pm-2:10 pm

1 stop29h 20m

Chicago O'Hare Intl

Thu 7/10

5:10 pm-8:10 pm

1 stop19h 00m

$620

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/5

8:25 am-2:45 pm

1 stop14h 20m

Chicago O'Hare Intl

Thu 6/12

5:45 pm-1:25 am

1 stop23h 40m

$622

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/12

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 7/3

4:20 pm-11:45 pm

1 stop23h 25m

$626

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 6/6

7:00 am-5:45 pm

2 stops18h 45m

Chicago Midway

Tue 7/8

1:00 pm-12:10 pm

2 stops15h 10m

$628

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 5/2

8:40 am-3:00 pm

1 stop14h 20m

Chicago O'Hare Intl

Fri 5/9

3:33 pm-3:50 pm

2 stops16h 17m

$628

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 5/19

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Mon 5/26

1:45 pm-1:00 pm

2 stops15h 15m

$629

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/12

6:00 am-11:24 am

2 stops37h 24m

Chicago O'Hare Intl

Thu 7/3

4:00 pm-6:35 pm

2 stops18h 35m

$691

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 6/4

6:00 am-2:55 pm

2 stops40h 55m

Chicago O'Hare Intl

Thu 7/10

8:40 am-3:20 pm

2 stops22h 40m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 27 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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
Trip.comPrice Accuracy1 starTrust 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.

Cheapflights Insights

Everything you need to know about your flight from Bucharest to Chicago

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 April 18, 2025.

Booking 86 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 $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 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 April 22, 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 April 22, 2025.
See what other customers who have flown with Emirates, Delta and KLM 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
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
8.0
Very good
3,205 reviews
Emirates
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
7,920 reviews
Emirates
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
1,331 reviews
Emirates
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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
1,065 reviews
Emirates
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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.
Austrian Airlines
7.6
Good
780 reviews
Emirates
8.0
Very good
3,205 reviews

Entertainment

8.2

Food

7.8

Boarding

8.1

Overall

8.0

Crew

8.3

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

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?

    Scandinavian Airlines, at $605, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include LOT and British Airways. These flights start at 13% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Bucharest to Chicago one-way?

    The cheapest airline one-way is ITA Airways, with whom users have recently found tickets for as low as $518. However, be on the lookout for offers from Air Serbia and Lufthansa, as they are both options that can get you from Bucharest to Chicago for a low price.

  • 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 $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 Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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

Top 9 airlines flying from Bucharest to Chicago

Discover the top 9 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$684FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$695FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$696FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$582Average$686FlexibilityNo cancel feeOn-time81%
DeltaCheapest$585Average$634FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$593Average$847FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$815FlexibilityNo cancel feeOn-time69%

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