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$277+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
dez 14 — dez 211
dom 12/14
dom 12/21
1 adult, Economy
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Find cheap flights from Chicago to Bucharest with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in October or February, booked 12 days in advance, depart on a Monday or Tuesday and return on a Saturday

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 novembro 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
qua 12/316:50 pmORD - OTP
1 stop21h 35mSWISS
qua 1/144:35 pmOTP - ORD
1 stop31h 45mSWISS
Deal found 11/12$529
This Kiwi.com deal was found by Cheapflights users on 11/13. 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.
seg 11/176:50 pmORD - OTP
1 stop13h 00mMultiple Airlines
qua 12/36:05 amOTP - ORD
1 stop15h 05mMultiple Airlines
Deal found 11/13$532
This Gotogate deal was found by Cheapflights users on 11/13. 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.
seg 11/177:05 amORD - OTP
2 stops24h 45mAir Canada
qua 12/36:05 amOTP - ORD
2 stops19h 43mAir Canada
Deal found 11/13$542
This Mytrip deal was found by Cheapflights users on 11/14. 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.
qua 12/319:50 pmORD - OTP
1 stop19h 15mMultiple Airlines
qua 1/146:30 amOTP - ORD
2 stops21h 40mMultiple Airlines
Deal found 11/14$546
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 12/26:50 pmORD - OTP
1 stop12h 55mSWISS
ter 12/166:30 amOTP - ORD
1 stop17h 50mSWISS
Deal found 11/11$547
This Cheapflightsfares deal was found by Cheapflights users on 11/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/146:50 pmORD - OTP
1 stop13h 00mMultiple Airlines
sex 11/212:50 pmOTP - ORD
1 stop13h 15mMultiple Airlines
Deal found 11/13$549
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/149:50 pmORD - OTP
1 stop19h 15mLufthansa
sex 11/212:50 pmOTP - ORD
1 stop13h 15mLufthansa
Deal found 11/12$551
This Gotogate deal was found by Cheapflights users on 11/13. 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.
seg 11/179:50 pmORD - OTP
1 stop19h 15mLufthansa
qua 12/36:05 amOTP - ORD
1 stop15h 05mLufthansa
Deal found 11/13$554
This Delta deal was found by Cheapflights users on 11/13. 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.
seg 11/171:15 pmMDW - OTP
2 stops15h 45mDelta
qua 12/36:00 amOTP - MDW
2 stops18h 34mDelta
Deal found 11/13$575
This Delta deal was found by Cheapflights users on 11/13. 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.
qui 11/2710:47 amMDW - OTP
2 stops17h 18mDelta
sáb 12/61:55 pmOTP - MDW
2 stops17h 52mDelta
Deal found 11/13$577
This Delta deal was found by Cheapflights users on 11/13. 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.
sex 11/1410:47 amMDW - OTP
2 stops19h 03mDelta
sex 11/216:05 amOTP - MDW
2 stops20h 09mDelta
Deal found 11/13$583
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 11/151:26 pmMDW - OTP
2 stops18h 24mMultiple Airlines
dom 11/236:00 amOTP - MDW
2 stops20h 18mMultiple Airlines
Deal found 11/12$608

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 novembro 14, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$520
(FlightHub)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$600

Good round-trip deal

$827 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
Search Deals
From Chicago (CHI) to Bucharest (BUH)
Search Deals
One-way flight from Chicago (CHI) to Bucharest (BUH)
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($314 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Bucharest (BUH).
Search Deals

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 novembro 14, 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

sex 11/28

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

sex 12/5

5:55 am-2:55 pm

2 stops17h 00m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

seg 11/24

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

sáb 12/6

5:55 am-11:10 am

1 stop13h 15m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ter 3/31

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

ter 4/7

6:05 am-11:00 am

1 stop12h 55m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ter 3/31

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

qui 4/9

5:55 am-2:50 pm

1 stop16h 55m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

qui 4/2

9:40 pm-1:00 am

1 stop19h 20m

Bucharest Otopeni Intl

seg 4/6

5:55 am-11:00 am

1 stop13h 05m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom 3/29

5:55 pm-6:35 pm

1 stop16h 40m

Bucharest Otopeni Intl

seg 4/6

5:55 am-11:00 am

1 stop13h 05m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

seg 12/1

5:20 pm-10:50 pm

1 stop21h 30m

Bucharest Otopeni Intl

dom 12/14

6:00 am-2:20 pm

1 stop16h 20m

$563

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom 11/30

5:20 pm-12:05 pm

1 stop34h 45m

Bucharest Otopeni Intl

seg 12/15

6:00 am-2:20 pm

1 stop16h 20m

$565

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sex 11/28

2:39 pm-6:35 pm

2 stops19h 56m

Bucharest Otopeni Intl

qui 12/4

5:50 am-2:55 pm

2 stops17h 05m

$566

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

qui 11/27

1:25 pm-10:50 pm

2 stops25h 25m

Bucharest Otopeni Intl

qui 12/4

1:55 pm-2:20 pm

1 stop32h 25m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 36 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Chicago-Bucharest flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 November 7, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bucharest, you should look to book at least 12 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $333). Flying from Chicago to Bucharest in June is currently the most expensive (average of $826). 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 novembro 14, 2025.

One of the essential ways to save on airfare from Chicago to Bucharest is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 30% 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 December 16, 2024.

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

How much does it cost to fly round-trip from Chicago to Bucharest?

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

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

Amsterdam (AMS) – chosen by Cheapflights users on 57% of 1-stop itineraries from Chicago to Bucharest on Cheapflights.

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

Average round-trip fare for 1-stop flights from Chicago to Bucharest, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Amsterdam (AMS) is the most affordable 1-stop option, with an average round-trip price of $829.

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

Shortest average travel time for 1-stop one-way flights from Chicago to Bucharest, 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: 11h 52m.

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

Average layover duration for 1-stop one-way flights from Chicago to Bucharest, 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 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 novembro 14, 2025.
See what other customers who have flown with KLM, LOT, and United Airlines from Chicago to Bucharest have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,411 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
LOT
7.5
Good
1,134 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
9,016 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,043 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,572 reviews
KLM
7.7
Good
1,411 reviews

Entertainment

7.1

Food

7.3

Comfort

7.7

Boarding

7.8

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Chicago to Bucharest?

    United Airlines and Delta can get you from Chicago to Bucharest in just under 12h 45m. Your travel time can differ by up to 4h 50m. Chicago and Bucharest are separated by a distance of 5198 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Chicago to Bucharest is Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $385 on this airline. Additional options worth looking into are Turkish Airlines and Austrian Airlines, starting at $503 and $517 round-trip. Users have found that Scandinavian Airlines is 47% cheaper than the other options available to this destination.

  • What are the cheapest flights from Chicago to Bucharest?

    Looking for the cheapest flight from Chicago to Bucharest? While on average our users pay $833, our data indicates the cheapest price to be $818. The most popular route (Chicago O'Hare Intl - Bucharest Otopeni Intl), is priced around $492.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $333). Flying from Chicago to Bucharest in June is currently the most expensive (average of $826). 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
Otopeni

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 novembro 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$728FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$593FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$732FlexibilityNo cancel feeOn-time78%
LOTCheapest$538Average$906FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$575Average$760FlexibilityNo cancel feeOn-time70%
SWISSCheapest$587Average$753FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$588Average$886FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$595Average$914FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$618Average$749FlexibilityNo cancel feeOn-time77%
Air SerbiaCheapest$655Average$714FlexibilityNo cancel feeOn-timeN/A

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