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$276+ Cheap flights from Chicago (CHI) to Bucharest (BUH)

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in February or October, booked 84 days in advance, depart on a Monday or Wednesday and return on a Saturday

Cheap flight deals from Chicago to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Bucharest (BUH). 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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(oojo)

One-way from

$276
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$616
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
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From Chicago (CHI) to Bucharest (BUH)
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One-way flight from Chicago (CHI) to Bucharest (BUH)
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Highest demand for flights based on searches. 29% potential increase in price ($314 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Chicago to Bucharest

Cheapest flights from Chicago to Bucharest
Explore the most affordable flight options available from Chicago to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3111:25 amORD - OTP
1 stop19h 10mTurkish Airlines
Fri 10/39:45 pmOTP - ORD
1 stop28h 10mTurkish Airlines
Deal found 3/30$572
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:20 pmORD - OTP
1 stop18h 05mMultiple Airlines
Fri 12/55:55 amOTP - ORD
2 stops22h 30mMultiple Airlines
Deal found 3/31$589
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.
Tue 11/259:55 pmORD - OTP
1 stop11h 45mLOT
Sat 12/66:25 pmOTP - ORD
1 stop33h 35mLOT
Deal found 3/31$611
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.
Tue 11/256:54 pmORD - OTP
2 stops20h 11mBritish Airways
Sat 12/64:05 pmOTP - ORD
2 stops30h 25mBritish Airways
Deal found 3/31$616
This United 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:25 pmORD - OTP
1 stop13h 05mUnited Airlines
Tue 12/25:55 amOTP - ORD
2 stops22h 30mUnited Airlines
Deal found 3/31$618
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:20 amORD - OTP
2 stops18h 25mAir Canada
Tue 12/25:55 amOTP - ORD
2 stops16h 50mAir Canada
Deal found 3/30$621
This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:00 amORD - OTP
2 stops29h 35mScandinavian Airlines
Wed 9/108:35 pmOTP - ORD
1 stop27h 35mScandinavian Airlines
Deal found 3/30$633
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.
Thu 11/135:59 pmMDW - OTP
2 stops19h 21mDelta
Tue 12/26:00 amOTP - MDW
2 stops20h 36mDelta
Deal found 3/31$642
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/710:25 pmORD - OTP
1 stop13h 55mAmerican Airlines
Wed 11/58:05 amOTP - ORD
1 stop16h 55mAmerican Airlines
Deal found 3/30$711
This Air Serbia 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1211:20 pmORD - OTP
1 stop32h 00mAir Serbia
Sat 4/264:40 amOTP - ORD
1 stop24h 20mAir Serbia
Deal found 3/30$787
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/157:10 amORD - OTP
2 stops24h 55mITA Airways
Sun 9/1410:50 amOTP - ORD
1 stop34h 20mITA Airways
Deal found 3/30$812
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/216:35 pmORD - OTP
1 stop22h 30mSWISS
Mon 4/284:10 pmOTP - ORD
1 stop31h 45mSWISS
Deal found 3/31$815

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Bucharest 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 March 31, 2025.
Use the filters below to find and compare flights from Chicago to Bucharest that are best for you.

Fly from

Chicago

Fly to

Bucharest

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 5/5

11:25 am-8:25 pm

1 stop25h 00m

Bucharest Otopeni Intl

Tue 5/20

9:30 am-9:40 am

1 stop32h 10m

$626

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 5/31

7:00 am-8:35 pm

2 stops29h 35m

Bucharest Otopeni Intl

Wed 9/10

8:35 pm-4:10 pm

1 stop27h 35m

$633

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 5/5

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 5/20

10:55 am-7:27 am

2 stops28h 32m

$651

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 5/9

4:55 pm-1:50 pm

1 stop12h 55m

Bucharest Otopeni Intl

Fri 11/7

6:25 pm-8:00 pm

1 stop33h 35m

$706

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

10:25 pm-8:20 pm

1 stop13h 55m

Bucharest Otopeni Intl

Fri 11/7

8:05 am-5:00 pm

1 stop16h 55m

$711

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

7:00 am-6:35 pm

2 stops27h 35m

Bucharest Otopeni Intl

Fri 11/7

5:55 am-10:39 am

2 stops36h 44m

$714

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

4:00 pm-1:15 pm

1 stop13h 15m

Bucharest Otopeni Intl

Wed 11/5

5:55 am-2:45 pm

2 stops16h 50m

$717

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/7

7:15 pm-8:20 pm

1 stop17h 05m

Bucharest Otopeni Intl

Fri 11/7

8:05 am-7:20 pm

2 stops19h 15m

$719

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 4/12

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sat 4/26

4:40 am-9:00 pm

1 stop24h 20m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/15

7:10 am-4:05 pm

2 stops24h 55m

Bucharest Otopeni Intl

Sun 9/14

10:50 am-1:10 pm

1 stop34h 20m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 29 results
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Compare providers for flights from Chicago to Bucharest

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 Chicago to Bucharest in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust 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 Chicago-Bucharest flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Bucharest flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Bucharest 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 Chicago-Bucharest 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 Chicago to Bucharest

Have a flexible travel schedule? Discover the best time to fly to Bucharest from Chicago 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 Chicago to Bucharest

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Bucharest. Price data was last updated on March 28, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bucharest, you should look to book at least 15 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $604). Flying from Chicago to Bucharest in June is currently the most expensive (average of $1,175). 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 CHI to BUH?

Find hourly flight availability from Chicago to Bucharest. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

One of the essential ways to save on airfare from Chicago to Bucharest is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 36% on airfare.

What is the cheapest day to fly from Chicago to Bucharest?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Bucharest. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Chicago to Bucharest flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Bucharest by month

Plan your trip to Bucharest by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Bucharest ranges from 0.8 - 3.1 inches per month. June is typically the wettest month, when rainfall can reach 3.1 in. October is typically the driest time to visit Bucharest when rainfall is around 0.8 in.

Temperature in Bucharest by month

Plan your trip to Bucharest by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Bucharest, 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 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Bucharest

Get insights into the airlines that provide service to Bucharest. 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 Bucharest. Reviews last updated March 31, 2025.
Read through reviews of airlines operating flights from Chicago to Bucharest, such as Delta, KLM and LOT. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
770 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Bucharest. 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 Chicago to Bucharest round-trip?

    Our cheapest airline available from Chicago to Bucharest is Turkish Airlines. Our recent data shows that you can find tickets from as low as $673 on this airline. Additional options worth looking into are British Airways and Scandinavian Airlines, starting at $703 and $708 round-trip. Users have found that Turkish Airlines is 11% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Bucharest one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $315. Scandinavian Airlines flights start at $457 while deals on Air Serbia start at $492 one-way.

  • Can I find deals for flights from Chicago to Bucharest that include hotel bookings?

    Yes. In addition to deals on Chicago to Bucharest flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Bucharest?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Bucharest.

  • Can I find deals for business class flights from Chicago to Bucharest?

    Yes. Cheapflights offers flight deals from Chicago to Bucharest 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 Chicago to Bucharest?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $604). Flying from Chicago to Bucharest in June is currently the most expensive (average of $1,175). 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?

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Top 10 airlines flying from Chicago to Bucharest

Discover the top 10 airlines that operate flights from Chicago to Bucharest. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$818FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$512Average$587FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$522Average$715FlexibilityNo cancel feeOn-time70%
LOTCheapest$532Average$982FlexibilityNo cancel feeOn-time81%
Austrian AirlinesCheapest$548Average$794FlexibilityNo cancel feeOn-time78%
LufthansaCheapest$552Average$978FlexibilityNo cancel feeOn-time76%
DeltaCheapest$568Average$1,097FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$580Average$861FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$997FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$585Average$926FlexibilityNo cancel feeOn-time69%
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