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$375+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
May 9 — May 161
Sat 5/9
Sat 5/16
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest to Chicago are usually found in September or January, booked 22 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 April 9, 2026.

This FlightHub deal was found by Cheapflights users on 4/4. 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.
Wed 4/223:55 pm
OTP
-
ORD
1 stop34h 20m
Turkish Airlines
Wed 4/2911:25 am
ORD
-
OTP
1 stop19h 10m
Turkish Airlines
Deal found 4/4$679
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Wed 4/223:55 pm
OTP
-
ORD
1 stop25h 45m
Turkish Airlines
Fri 4/2411:25 am
ORD
-
OTP
1 stop12h 45m
Turkish Airlines
Deal found 4/8$687
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Tue 4/289:35 pm
OTP
-
ORD
1 stop20h 05m
Turkish Airlines
Tue 9/2911:25 am
ORD
-
OTP
1 stop12h 45m
Turkish Airlines
Deal found 4/4$690
This Gotogate deal was found by Cheapflights users on 4/7. 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.
Thu 4/2312:55 pm
OTP
-
ORD
1 stop28h 45m
Turkish Airlines
Mon 4/2711:25 am
ORD
-
OTP
1 stop19h 10m
Turkish Airlines
Deal found 4/7$694
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 4/243:55 pm
OTP
-
ORD
1 stop25h 45m
Turkish Airlines
Tue 4/2811:25 am
ORD
-
OTP
1 stop12h 45m
Turkish Airlines
Deal found 4/8$695
This Gotogate deal was found by Cheapflights users on 4/8. 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.
Sun 6/143:55 pm
OTP
-
ORD
1 stop25h 45m
Turkish Airlines
Thu 6/2511:25 am
ORD
-
OTP
1 stop12h 45m
Turkish Airlines
Deal found 4/8$697
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Fri 4/249:35 pm
OTP
-
ORD
1 stop20h 05m
Turkish Airlines
Tue 9/2911:25 am
ORD
-
OTP
1 stop12h 45m
Turkish Airlines
Deal found 4/7$701
This Mytrip deal was found by Cheapflights users on 4/4. 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.
Tue 5/197:40 am
OTP
-
ORD
2 stops21h 45m
Multiple Airlines
Tue 5/267:25 pm
ORD
-
OTP
2 stops22h 10m
Multiple Airlines
Deal found 4/4$703
This oojo deal was found by Cheapflights users on 4/6. 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.
Tue 9/15:35 am
OTP
-
ORD
1 stop17h 35m
LOT
Fri 9/119:50 pm
ORD
-
OTP
1 stop11h 55m
LOT
Deal found 4/6$707
This Rumbo deal was found by Cheapflights users on 4/4. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:55 pm
OTP
-
ORD
1 stop25h 45m
Turkish Airlines
Wed 4/2911:25 am
ORD
-
OTP
1 stop12h 40m
Turkish Airlines
Deal found 4/4$709
This Delta deal was found by Cheapflights users on 4/8. 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 4/247:05 am
OTP
-
MDW
2 stops18h 53m
Delta
Tue 4/2812:52 pm
MDW
-
OTP
2 stops15h 53m
Delta
Deal found 4/8$804
This Delta deal was found by Cheapflights users on 4/8. 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 4/237:05 am
OTP
-
MDW
2 stops18h 53m
Delta
Wed 4/291:24 pm
MDW
-
OTP
2 stops15h 36m
Delta
Deal found 4/8$809

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$679
(FlightHub)

One-way from

$375
(eDestinos)

Popular in

April

Cheapest in

September

Average price

$875

Good one-way deal

$402 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. 4% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way 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 April 9, 2026.
Use the filters below to find and compare flights from Bucharest to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 4/24

9:35 pm-9:40 am

1 stop20h 05m

Chicago O'Hare Intl

Tue 4/28

11:25 am-2:35 pm

1 stop19h 10m

$749

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/30

9:35 am-9:40 am

1 stop32h 05m

Chicago O'Hare Intl

Tue 9/29

11:25 am-8:15 pm

1 stop24h 50m

$771

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 5/20

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Wed 5/27

2:21 pm-11:50 pm

2 stops25h 29m

$796
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 4/28

1:50 pm-7:55 pm

1 stop14h 05m

Chicago O'Hare Intl

Sat 9/5

10:45 am-1:10 pm

2 stops18h 25m

$799

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 5/19

1:50 pm-7:26 am

2 stops25h 36m

Chicago O'Hare Intl

Tue 5/26

6:30 am-6:35 pm

2 stops28h 05m

$800

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 4/24

7:05 am-5:58 pm

2 stops18h 53m

Chicago Midway

Tue 4/28

12:52 pm-12:45 pm

2 stops15h 53m

$804

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 8/30

6:55 pm-1:20 pm

1 stop26h 25m

Chicago O'Hare Intl

Sun 9/13

12:15 pm-12:00 pm

2 stops15h 45m

$805

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/23

7:05 am-5:58 pm

2 stops18h 53m

Chicago Midway

Wed 4/29

1:24 pm-1:00 pm

2 stops15h 36m

$809

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 4/27

6:55 pm-6:30 pm

2 stops31h 35m

Chicago O'Hare Intl

Mon 6/29

1:18 pm-12:00 pm

2 stops14h 42m

$811

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 4/27

6:15 am-2:50 pm

2 stops16h 35m

Chicago O'Hare Intl

Sat 9/5

10:30 pm-11:30 pm

1 stop17h 00m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 41 resultsSorted by cheapest first
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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
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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 April 3, 2026.

Booking 22 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 $501). Flying from Bucharest to Chicago in August is currently the most expensive (average of $685). 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 27% 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 $595.

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 Warsaw (WAW) have the shortest average one-way travel time for 1-stop routes: 13h 05m.

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 08m.

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 9, 2026.
Get a feel of what it's like to fly with KLM,LOT, andSWISS 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
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.7
Good
1,492 reviews
KLM
7.7
Good
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
LOT
7.5
Good
1,184 reviews
KLM
7.7
Good
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
SWISS
7.5
Good
1,916 reviews
KLM
7.7
Good
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.3
Good
4,302 reviews
KLM
7.7
Good
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,900 reviews
KLM
7.7
Good
1,492 reviews

Food

7.3

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

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 14h 50m. Fly via Turkish Airlines, United Airlines, 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?

    United Airlines, at $284, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include American Airlines and LOT. These flights start at 62% 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 HiSky and British Airways, 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 $396. On average you can expect to pay $418. 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 $501). Flying from Bucharest to Chicago in August is currently the most expensive (average of $685). 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

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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

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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$284Average$781FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$595Average$595FlexibilityNo cancel feeOn-time71%
LOTCheapest$602Average$688FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$602Average$703FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$603Average$821FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$608Average$768FlexibilityNo cancel feeOn-time77%
KLMCheapest$612Average$834FlexibilityNo cancel feeOn-time75%

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