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$294+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Mar 4 — Mar 111
Wed 3/4
Wed 3/11
1 adult, Economy
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Find cheap flights from Bucharest to Chicago with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Bucharest to Chicago are usually found in September or February, booked 78 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap 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 February 2, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
OTP
-
ORD
1 stop17h 50m
SWISS
Mon 3/97:50 pm
ORD
-
OTP
1 stop13h 00m
SWISS
Deal found 1/31$605
This Expedia deal was found by Cheapflights users on 1/31. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:55 am
OTP
-
ORD
1 stop13h 15m
Multiple Airlines
Sun 3/16:50 pm
ORD
-
OTP
1 stop13h 00m
Multiple Airlines
Deal found 1/31$612
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/26:30 am
OTP
-
ORD
2 stops21h 40m
Multiple Airlines
Mon 3/91:55 pm
ORD
-
OTP
2 stops15h 35m
Multiple Airlines
Deal found 1/31$613
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/195:50 am
OTP
-
ORD
1 stop17h 30m
United Airlines
Wed 3/410:35 pm
ORD
-
OTP
1 stop17h 20m
United Airlines
Deal found 2/1$614
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 3/175:55 am
OTP
-
ORD
1 stop13h 15m
United Airlines
Tue 3/2410:50 am
ORD
-
OTP
2 stops18h 30m
United Airlines
Deal found 1/31$616
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Mon 2/165:55 am
OTP
-
ORD
1 stop17h 25m
United Airlines
Sun 3/110:35 pm
ORD
-
OTP
1 stop17h 15m
United Airlines
Deal found 1/31$617
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Fri 2/272:50 pm
OTP
-
ORD
1 stop13h 15m
United Airlines
Sat 4/115:55 pm
ORD
-
OTP
1 stop16h 40m
United Airlines
Deal found 1/31$619
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/245:55 am
OTP
-
ORD
1 stop13h 15m
United Airlines
Tue 5/56:15 pm
ORD
-
OTP
1 stop14h 05m
United Airlines
Deal found 2/1$620
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Thu 2/195:50 am
OTP
-
ORD
2 stops34h 10m
Air Canada
Wed 3/410:35 am
ORD
-
OTP
2 stops21h 15m
Air Canada
Deal found 2/1$621
This Air Canada deal was found by Cheapflights users on 1/31. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:05 am
OTP
-
ORD
2 stops16h 47m
Air Canada
Wed 10/148:45 am
ORD
-
OTP
2 stops22h 35m
Air Canada
Deal found 1/31$623
This Delta deal was found by Cheapflights users on 2/1. 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.
Thu 2/196:00 am
OTP
-
MDW
2 stops19h 37m
Delta
Wed 3/410:49 am
MDW
-
OTP
2 stops18h 11m
Delta
Deal found 2/1$662
This Delta deal was found by Cheapflights users on 1/31. 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.
Tue 3/176:00 am
OTP
-
MDW
2 stops23h 31m
Delta
Tue 3/241:10 pm
MDW
-
OTP
2 stops16h 50m
Delta
Deal found 1/31$665

Find 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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$605
(Kiwi.com)

One-way from

$294
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$644

Good round-trip deal

$462 or less
Provider with most accurate pricing for Bucharest (BUH)-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bucharest (BUH)-Chicago (CHI) flights.
Search Deals
From Bucharest (BUH) to Chicago (CHI)
Search Deals
One-way flight from Bucharest (BUH) to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Bucharest (BUH) to Chicago (CHI).
Search Deals

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 February 2, 2026.
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

Thu 2/19

5:50 am-3:20 pm

1 stop17h 30m

Chicago O'Hare Intl

Wed 3/4

6:50 pm-12:25 am

1 stop21h 35m

$612

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/16

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Sun 3/1

6:50 pm-3:50 pm

1 stop13h 00m

$612

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

5:55 am-8:05 pm

1 stop22h 10m

Chicago O'Hare Intl

Tue 4/7

9:40 pm-1:10 am

1 stop19h 30m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 3/18

2:40 pm-9:05 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 3/25

7:00 pm-6:35 pm

1 stop16h 35m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/2

6:30 am-8:10 pm

2 stops21h 40m

Chicago O'Hare Intl

Mon 3/9

1:55 pm-12:30 pm

2 stops15h 35m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-1:25 pm

1 stop15h 35m

Chicago O'Hare Intl

Wed 3/4

12:00 pm-2:00 pm

2 stops18h 00m

$614

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 2/16

5:55 am-3:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Sun 3/1

10:35 pm-11:50 pm

1 stop17h 15m

$617

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/2

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Mon 3/9

3:40 pm-2:05 pm

2 stops15h 25m

$617

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/27

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Sat 4/11

5:55 pm-6:35 pm

1 stop16h 40m

$619

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/17

5:55 am-6:45 pm

2 stops19h 50m

Chicago O'Hare Intl

Tue 3/24

10:50 am-12:20 pm

2 stops18h 30m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

Showing 1-10 of 38 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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 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 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 January 30, 2026.

Booking 78 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, July is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $353). Flying from Bucharest to Chicago in December is currently the most expensive (average of $630). 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 Bucharest to Chicago?

What’s the top layover airport for flights from Bucharest to Chicago?

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

Warsaw (WAW) – chosen by Cheapflights users on 65% of 1-stop itineraries from Bucharest to Chicago on Cheapflights.

What’s the cheapest layover airport for flights from Bucharest to Chicago?

Average round-trip fare for 1-stop flights from Bucharest to Chicago, 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 $590.

What’s the fastest layover option from Bucharest to Chicago?

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

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 20m.

Which airport typically offers the quickest layover for flights from Bucharest to Chicago?

Average layover duration for 1-stop one-way flights from Bucharest to Chicago, 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 18m.

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 February 2, 2026.
Get a feel of what it's like to fly with KLM, SWISS, and LOT from Bucharest to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,448 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
SWISS
7.6
Good
1,864 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
LOT
7.5
Good
1,178 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,758 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,709 reviews
KLM
7.7
Good
1,448 reviews

Food

7.3

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Bucharest to Chicago?

    There are many flights that can get you from Bucharest to Chicago in 13h 25m. Fly via United Airlines, Lufthansa, or Delta to get the fastest option. Bucharest and Chicago are separated by a distance of 5198 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Bucharest to Chicago round-trip?

    Turkish Airlines, at $336, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include British Airways and LOT. These flights start at 53% 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 $387. However, be on the lookout for offers from British Airways and Lufthansa, as they are both options that can get you from Bucharest to Chicago for a low price.

  • What are the cheapest flights from Bucharest to Chicago?

    The cheapest flight price from Bucharest to Chicago is $457. On average you can expect to pay $469. The most popular route, (Bucharest Otopeni Intl - Chicago O'Hare Intl), can usually be booked for $612.

  • 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, July is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $353). Flying from Bucharest to Chicago in December is currently the most expensive (average of $630). 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 Chicago?

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

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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$760FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$581Average$671FlexibilityNo cancel feeOn-time70%
LOTCheapest$587Average$667FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$595Average$595FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$603Average$799FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$604Average$788FlexibilityNo cancel feeOn-time69%
KLMCheapest$612Average$834FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$621Average$662FlexibilityNo cancel feeOn-time77%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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