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$402+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Bucharest to Chicago are usually found in January or March, booked 48 days in advance, depart on a Tuesday or Monday and return on a Tuesday

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 July 24, 2026.

This Mytrip deal was found by Cheapflights users on 7/24. 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 9/71:10 pm
OTP
-
ORD
2 stops28h 30m
Multiple Airlines
Mon 9/1411:25 am
ORD
-
OTP
2 stops23h 15m
Multiple Airlines
Deal found 7/24$802
This KLM deal was found by Cheapflights users on 7/23. 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 12/162:00 pm
OTP
-
ORD
2 stops17h 50m
KLM
Tue 1/121:30 pm
ORD
-
OTP
2 stops15h 30m
KLM
Deal found 7/23$804
This LOT deal was found by Cheapflights users on 7/23. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:30 pm
OTP
-
ORD
1 stop33h 20m
LOT
Mon 11/99:50 pm
ORD
-
OTP
1 stop17h 25m
LOT
Deal found 7/23$805
This Delta deal was found by Cheapflights users on 7/21. 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.
Thu 9/107:05 am
OTP
-
ORD
2 stops22h 28m
Delta
Fri 11/271:30 pm
ORD
-
OTP
2 stops16h 40m
Delta
Deal found 7/21$807
This Delta deal was found by Cheapflights users on 7/20. 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 9/87:05 am
OTP
-
ORD
2 stops21h 51m
Delta
Tue 10/1310:30 am
ORD
-
OTP
2 stops18h 15m
Delta
Deal found 7/20$808
This Gotogate deal was found by Cheapflights users on 7/19. 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 8/234:10 pm
OTP
-
ORD
1 stop28h 25m
SWISS
Sun 8/307:05 pm
ORD
-
OTP
1 stop22h 05m
SWISS
Deal found 7/19$809
This Mytrip deal was found by Cheapflights users on 7/22. 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.
Sun 10/46:00 am
OTP
-
ORD
2 stops21h 15m
Multiple Airlines
Sun 11/157:05 am
ORD
-
OTP
2 stops24h 45m
Multiple Airlines
Deal found 7/22$811
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 10/174:05 pm
OTP
-
ORD
1 stop13h 10m
Multiple Airlines
Sat 10/317:30 pm
ORD
-
OTP
2 stops22h 05m
Multiple Airlines
Deal found 7/24$812
This Delta deal was found by Cheapflights users on 7/20. 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 9/87:05 am
OTP
-
MDW
2 stops17h 52m
Delta
Tue 10/1310:58 am
MDW
-
OTP
2 stops18h 02m
Delta
Deal found 7/20$813
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Sat 10/174:05 pm
OTP
-
ORD
1 stop13h 10m
Multiple Airlines
Fri 10/307:30 pm
ORD
-
OTP
2 stops22h 05m
Multiple Airlines
Deal found 7/23$813
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/241:50 pm
OTP
-
ORD
1 stop14h 05m
United Airlines
Wed 9/21:55 pm
ORD
-
OTP
2 stops20h 40m
United Airlines
Deal found 7/24$815
This United Airlines deal was found by Cheapflights users on 7/22. 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 9/101:45 pm
OTP
-
ORD
1 stop14h 10m
United Airlines
Wed 9/2310:30 pm
ORD
-
OTP
1 stop17h 20m
United Airlines
Deal found 7/22$817

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 July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$802
(Mytrip)

One-way from

$402
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$914

Good round-trip deal

$868 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. 8% potential increase in price ($78 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 July 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 July 24, 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 - MDW

OTPMDW

Bucharest Otopeni Intl

Tue 9/8

7:05 am-4:57 pm

2 stops17h 52m

Chicago Midway

Tue 10/13

10:58 am-1:00 pm

2 stops18h 02m

$813
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/11

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Sat 11/7

4:20 pm-12:30 pm

1 stop12h 10m

$819

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Wed 9/9

7:05 am-4:57 pm

2 stops17h 52m

Chicago Midway

Tue 11/10

1:00 pm-2:10 pm

2 stops17h 10m

$823

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Mon 9/7

7:05 am-6:33 pm

2 stops19h 28m

Chicago Midway

Sun 11/8

1:28 pm-2:10 pm

2 stops16h 42m

$823

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Tue 9/8

7:05 am-6:19 pm

2 stops19h 14m

Chicago Midway

Mon 11/9

1:00 pm-2:10 pm

2 stops17h 10m

$823

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 11/23

6:00 am-2:25 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 12/14

1:35 pm-5:00 pm

2 stops19h 25m

$823

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/9

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Fri 11/6

12:45 pm-12:30 pm

2 stops15h 45m

$824

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 10/16

7:05 am-4:39 pm

2 stops17h 34m

Chicago Midway

Fri 10/30

12:28 pm-2:10 pm

2 stops18h 42m

$824

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 9/3

7:05 am-6:33 pm

2 stops19h 28m

Chicago Midway

Wed 9/16

10:48 am-12:45 pm

2 stops17h 57m

$824

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/10

7:05 am-9:33 pm

2 stops22h 28m

Chicago O'Hare Intl

Wed 9/23

10:30 am-12:45 pm

2 stops18h 15m

$824

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Showing 1-10 of 37 resultsSorted by cheapest first
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  • 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

What is the cheapest month to book a flight from Bucharest to Chicago?

Currently, February is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $658). Flying from Bucharest to Chicago in July is currently the most expensive (average of $883). 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?

Airfare is typical for this route at the moment.
Bucharest to Chicago flights typically cost between $794 and $988 in September.
The cheapest round-trip price found within the last 5 days was $802 on Multiple Airlines (Sep 7-Sep 14).

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.

Istanbul (IST) – chosen by Cheapflights users on 29% 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.

Zurich (ZRH) is the most affordable 1-stop option, with an average round-trip price of $606.

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 Munich (MUC) 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 08m.

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

Booking 17 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.

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 July 24, 2026.
Get a feel of what it's like to fly with KLM,LOT, andTurkish Airlines 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
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
LOT
7.5
Good
1,211 reviews
KLM
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Turkish Airlines
7.4
Good
4,454 reviews
KLM
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,025 reviews
KLM
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,156 reviews
KLM
7.8
Good
1,544 reviews

Comfort

7.7

Food

7.3

Entertainment

7.2

Boarding

7.8

Crew

8.4

Overall

7.8

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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 10m. Fly via Delta or United Airlines 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?

    HiSky, at $426, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include Lufthansa and Turkish Airlines. These flights start at 46% 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 HiSky, with whom users have recently found tickets for as low as $396. However, be on the lookout for offers from Air Serbia 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 $868. On average you can expect to pay $869. The most popular route, (Bucharest Otopeni Intl - Chicago O'Hare Intl), can usually be booked for $594.

  • 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, February is the cheapest month in which you can book a flight from Bucharest to Chicago (average of $658). Flying from Bucharest to Chicago in July is currently the most expensive (average of $883). 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
Benton Harbor
Lansing
Merrillville
Valparaiso
Hammond
Saint Joseph
Porter

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

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 July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
HiSkyCheapest$426Average$862FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$603Average$821FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$608Average$735FlexibilityNo cancel feeOn-time77%
LOTCheapest$620Average$776FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$654Average$812FlexibilityNo cancel feeOn-time77%
KLMCheapest$657Average$838FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$660Average$821FlexibilityNo cancel feeOn-time70%

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