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$406+ 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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
BUH — CHI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$636
(LOT)

One-way from

$406
(SmartFares)

Popular in

July

Cheapest in

February

Average price

$728
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 ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This British Airways deal was found by Cheapflights users on 6/11. 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
1 stop15h 30mBritish Airways
Fri 10/1010:35 pmORD - OTP
1 stop17h 15mBritish Airways
Deal found 6/11$626
This KLM deal was found by Cheapflights users on 6/11. 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.
Sat 11/11:55 pmOTP - ORD
1 stop32h 35mMultiple Airlines
Sat 11/155:20 pmORD - OTP
1 stop18h 50mMultiple Airlines
Deal found 6/11$628
This LOT deal was found by Cheapflights users on 6/12. 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.
Sat 9/66:30 pmOTP - ORD
1 stop25h 35mLOT
Sat 9/205:10 pmORD - OTP
1 stop24h 40mLOT
Deal found 6/12$636
This Delta deal was found by Cheapflights users on 6/11. 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 10/27:00 amOTP - MDW
2 stops19h 36mDelta
Sat 10/112:00 pmMDW - OTP
2 stops19h 20mDelta
Deal found 6/11$641
This Delta deal was found by Cheapflights users on 6/11. 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.
Sat 11/16:00 amOTP - ORD
2 stops22h 46mDelta
Sat 11/151:35 pmORD - OTP
2 stops15h 35mDelta
Deal found 6/11$641
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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
2 stops32h 40mScandinavian Airlines
Sat 9/137:15 pmORD - OTP
1 stop17h 20mScandinavian Airlines
Deal found 6/11$664
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 9/68:25 amOTP - ORD
2 stops20h 58mAmerican Airlines
Sat 9/201:15 pmORD - OTP
2 stops16h 45mAmerican Airlines
Deal found 6/10$667
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/266:00 amOTP - ORD
2 stops16h 55mUnited Airlines
Fri 10/103:05 pmORD - OTP
1 stop18h 50mUnited Airlines
Deal found 6/10$693
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Fri 9/266:00 amOTP - ORD
2 stops16h 55mAir Canada
Fri 10/1010:40 amORD - OTP
2 stops23h 15mAir Canada
Deal found 6/11$705
This KLM deal was found by Cheapflights users on 6/10. 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 6/208:35 amOTP - ORD
1 stop13h 35mKLM
Fri 9/124:20 pmORD - OTP
1 stop15h 05mKLM
Deal found 6/10$714
This Gotogate deal was found by Cheapflights users on 6/12. 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 7/217:20 pmOTP - ORD
1 stop25h 10mLufthansa
Mon 8/114:00 pmORD - OTP
1 stop17h 55mLufthansa
Deal found 6/12$719
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/164:30 amOTP - ORD
1 stop20h 10mAir Serbia
Wed 9/174:30 pmORD - OTP
1 stop14h 50mAir Serbia
Deal found 6/12$740

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 June 12, 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

Sat 9/6

6:30 pm-12:05 pm

1 stop25h 35m

Chicago O'Hare Intl

Sat 9/20

5:10 pm-1:50 am

1 stop24h 40m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 7/10

9:15 pm-3:55 pm

1 stop26h 40m

Chicago O'Hare Intl

Thu 7/24

5:00 pm-1:25 am

1 stop24h 25m

$650

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 6/15

9:25 pm-10:05 pm

2 stops32h 40m

Chicago O'Hare Intl

Sat 9/13

7:15 pm-8:35 pm

1 stop17h 20m

$664

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 9/6

8:25 am-9:23 pm

2 stops20h 58m

Chicago O'Hare Intl

Sat 9/20

1:15 pm-2:00 pm

2 stops16h 45m

$667

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 9/6

7:00 am-6:37 pm

2 stops19h 37m

Chicago Midway

Sat 9/20

1:00 pm-5:20 pm

2 stops20h 20m

$682

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 9/6

7:00 am-9:35 pm

2 stops22h 35m

Chicago O'Hare Intl

Sat 9/20

1:35 pm-5:20 pm

2 stops19h 45m

$682

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 8/15

1:55 pm-12:01 pm

2 stops30h 06m

Chicago O'Hare Intl

Fri 9/12

6:30 pm-11:40 pm

1 stop21h 10m

$703

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 7/7

4:10 pm-3:55 pm

1 stop31h 45m

Chicago O'Hare Intl

Sun 7/20

7:05 pm-1:05 am

1 stop22h 00m

$705

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/20

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Fri 9/12

4:20 pm-3:25 pm

1 stop15h 05m

$714

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 7/21

7:20 pm-12:30 pm

1 stop25h 10m

Chicago O'Hare Intl

Mon 8/11

4:00 pm-5:55 pm

1 stop17h 55m

$719

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 30 results
1
2
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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 June 9, 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 June 12, 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 June 12, 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
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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
8.1
Very good
3,264 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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
7,946 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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
1,358 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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
1,077 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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
802 reviews
Emirates
8.1
Very good
3,264 reviews

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

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?

    LOT, at $636, was found to be the cheapest airline from Bucharest to Chicago.Alternate airlines to your destination round-trip include British Airways and Scandinavian Airlines. These flights start at 10% 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 $406. However, be on the lookout for offers from Scandinavian Airlines 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 $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
Lansing
Benton Harbor
Porter
Hammond
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
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Otopeni Intl to St. Louis flights
Cluj Napoca 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$336Average$725FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$548Average$595FlexibilityNo cancel feeOn-time71%
KLMCheapest$570Average$702FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$581Average$695FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$581Average$654FlexibilityNo cancel feeOn-time77%
LOTCheapest$583Average$615FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$593Average$849FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$594Average$815FlexibilityNo cancel feeOn-time69%
DeltaCheapest$623Average$634FlexibilityNo cancel feeOn-timeN/A

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