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$382+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest to Chicago are usually found in February or April, booked 90 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 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(KLM)

One-way from

$382
(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 ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 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 1, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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 4/217:00 amOTP - ORD
1 stop15h 10mDelta
Tue 5/610:25 amORD - OTP
2 stops17h 45mDelta
Deal found 3/31$595
This British Airways deal was found by Cheapflights users on 4/1. 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 9/268:25 amOTP - ORD
2 stops19h 52mBritish Airways
Fri 10/1010:35 pmORD - OTP
1 stop17h 15mBritish Airways
Deal found 4/1$604
This KLM deal was found by Cheapflights users on 3/31. 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 4/244:50 pmOTP - ORD
1 stop29h 20mKLM
Mon 5/54:20 pmORD - OTP
1 stop24h 35mKLM
Deal found 3/31$616
This Air France deal was found by Cheapflights users on 3/31. 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.
Tue 4/296:30 amOTP - ORD
2 stops15h 40mMultiple Airlines
Wed 5/284:20 pmORD - OTP
1 stop23h 25mMultiple Airlines
Deal found 3/31$641
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:00 amOTP - MDW
2 stops19h 20mDelta
Fri 5/306:25 pmMDW - OTP
2 stops14h 55mDelta
Deal found 3/30$650
This oojo deal was found by Cheapflights users on 3/31. 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.
Thu 6/126:30 pmOTP - ORD
1 stop33h 10mLOT
Thu 8/142:20 pmORD - OTP
1 stop19h 25mLOT
Deal found 3/31$653
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 6/138:25 amOTP - ORD
1 stop15h 30mAmerican Airlines
Wed 7/94:55 pmORD - OTP
1 stop19h 25mAmerican Airlines
Deal found 3/31$659
This United Airlines deal was found by Cheapflights users on 3/31. 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 6/126:05 amOTP - ORD
2 stops35h 33mUnited Airlines
Thu 8/148:52 amORD - OTP
2 stops19h 03mUnited Airlines
Deal found 3/31$689
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/307:20 pmOTP - ORD
1 stop26h 40mLufthansa
Wed 10/13:35 pmORD - OTP
1 stop19h 00mLufthansa
Deal found 4/1$690
This deal was found by Cheapflights users on 3/31. 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.
Tue 8/199:30 amOTP - ORD
1 stop16h 25mTurkish Airlines
Mon 8/2511:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Deal found 3/31$739
This Booking.com deal was found by Cheapflights users on 3/31. 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.
Wed 5/286:00 amOTP - ORD
2 stops22h 12mAir Canada
Mon 9/13:40 pmORD - OTP
2 stops18h 55mAir Canada
Deal found 3/31$746
This Austrian Airlines deal was found by Cheapflights users on 3/30. 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.
Thu 4/241:15 pmOTP - ORD
1 stop32h 05mAustrian Airlines
Wed 5/285:55 pmORD - OTP
2 stops22h 15mAustrian Airlines
Deal found 3/30$803

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 1, 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

Mon 4/21

7:00 am-2:10 pm

1 stop15h 10m

Chicago O'Hare Intl

Tue 5/6

10:25 am-12:10 pm

2 stops17h 45m

$595

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/26

8:25 am-8:17 pm

2 stops19h 52m

Chicago O'Hare Intl

Fri 10/10

9:15 pm-7:05 pm

1 stop13h 50m

$604

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/24

4:50 pm-2:10 pm

1 stop29h 20m

Chicago O'Hare Intl

Mon 5/5

4:20 pm-12:55 am

1 stop24h 35m

$616

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 4/29

6:30 am-2:10 pm

2 stops15h 40m

Chicago O'Hare Intl

Wed 5/28

4:20 pm-11:45 pm

1 stop23h 25m

$641

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/24

7:00 am-6:20 pm

2 stops19h 20m

Chicago Midway

Fri 5/30

6:25 pm-5:20 pm

2 stops14h 55m

$650

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/12

6:30 pm-7:40 pm

1 stop33h 10m

Chicago O'Hare Intl

Thu 8/14

2:20 pm-5:45 pm

1 stop19h 25m

$653

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/13

8:25 am-3:55 pm

1 stop15h 30m

Chicago O'Hare Intl

Wed 7/9

4:55 pm-8:20 pm

1 stop19h 25m

$659

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/12

6:05 am-9:38 am

2 stops35h 33m

Chicago O'Hare Intl

Thu 8/14

8:52 am-11:55 am

2 stops19h 03m

$689

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/19

9:30 am-5:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 8/25

11:25 am-8:10 am

1 stop12h 45m

$739

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 5/28

6:00 am-8:12 pm

2 stops22h 12m

Chicago O'Hare Intl

Mon 9/1

3:40 pm-6:35 pm

2 stops18h 55m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 25 results
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2
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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*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
SmartFaresPrice Accuracy1 starTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bucharest-Chicago flight deals on Cheapflights vs. FlightHub >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 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 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 March 28, 2025.

Booking 90 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 $323). 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 1, 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 1, 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
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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
7,898 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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
1,321 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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
771 reviews
Emirates
8.0
Very good
3,192 reviews

Boarding

8.1

Crew

8.3

Entertainment

8.2

Comfort

8.0

Overall

8.0

Food

7.8

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?

    Delta, at $600, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include British Airways and KLM. 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 Air Serbia, with whom users have recently found tickets for as low as $414. However, be on the lookout for offers from ITA Airways and SWISS, 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 $323). 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
New Buffalo
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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
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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$653FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$642FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$691FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$580Average$707FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$582Average$684FlexibilityNo cancel feeOn-time81%
DeltaCheapest$585Average$634FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$593Average$809FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$821FlexibilityNo cancel feeOn-time69%
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