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$324+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in February or March, booked 12 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 August 13, 2025.

Round-trip from

$554
(CrystalTravel)

One-way from

$324
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$719
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. 28% potential increase in price ($298 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 13, 2025.

This CrystalTravel deal was found by Cheapflights users on 8/12. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Fri 9/263:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 8/12$554
This Ovago deal was found by Cheapflights users on 8/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Wed 9/249:30 amOTP - ORD
1 stop16h 25mTurkish Airlines
Deal found 8/11$555
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Mon 9/89:45 pmOTP - ORD
1 stop28h 10mTurkish Airlines
Deal found 8/11$556
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Wed 9/39:50 pmOTP - ORD
1 stop19h 50mTurkish Airlines
Deal found 8/13$557
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Wed 10/19:50 pmOTP - ORD
1 stop19h 50mTurkish Airlines
Deal found 8/12$562
This oojo deal was found by Cheapflights users on 8/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:10 pmORD - OTP
1 stop16h 35mLOT
Mon 9/156:30 pmOTP - ORD
1 stop28h 40mLOT
Deal found 8/11$563
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 9/911:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Fri 9/269:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 8/11$568
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Wed 8/2011:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Wed 9/34:00 pmOTP - ORD
1 stop14h 00mTurkish Airlines
Deal found 8/11$569
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Mon 8/1811:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Tue 9/23:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 8/11$570
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Tue 9/27:05 pmORD - OTP
1 stop12h 15mMultiple Airlines
Tue 11/115:55 amOTP - ORD
1 stop15h 15mMultiple Airlines
Deal found 8/13$572
This oojo deal was found by Cheapflights users on 8/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/811:25 amORD - OTP
1 stop19h 10mTurkish Airlines
Wed 9/243:55 pmOTP - ORD
1 stop25h 45mTurkish Airlines
Deal found 8/13$573
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:15 pmORD - OTP
2 stops18h 45mMultiple Airlines
Tue 9/166:45 pmOTP - ORD
2 stops31h 30mMultiple Airlines
Deal found 8/12$574

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 August 13, 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

Wed 9/17

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Fri 9/26

3:55 pm-9:40 am

1 stop25h 45m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/30

7:50 pm-8:20 pm

1 stop16h 30m

Bucharest Otopeni Intl

Wed 10/8

9:45 pm-9:40 am

1 stop19h 55m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/9

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 9/23

9:45 pm-9:40 am

1 stop19h 55m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Thu 9/25

3:55 pm-9:40 am

1 stop25h 45m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/9

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Thu 9/25

3:55 pm-9:40 am

1 stop25h 45m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/6

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Tue 9/23

9:45 pm-9:40 am

1 stop19h 55m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/9

7:50 pm-8:20 pm

1 stop16h 30m

Bucharest Otopeni Intl

Wed 9/24

9:30 am-5:55 pm

1 stop16h 25m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/6

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Thu 9/25

9:45 pm-9:40 am

1 stop19h 55m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/10

11:45 pm-8:05 am

1 stop24h 20m

Bucharest Otopeni Intl

Tue 9/23

9:45 pm-9:40 am

1 stop19h 55m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/25

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Mon 9/8

9:45 pm-5:55 pm

1 stop28h 10m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 42 results
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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 August 8, 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, 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 $1,134). 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 August 13, 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 December 16, 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.

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 55% 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 $1,053.

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 August 13, 2025.
See what other customers who have flown with LOT, United Airlines, and Turkish 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.
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
LOT
7.6
Good
1,107 reviews
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
United Airlines
7.4
Good
8,920 reviews
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Turkish Airlines
7.3
Good
3,942 reviews
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
Lufthansa
6.8
Okay
7,317 reviews
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.
British Airways
6.7
Okay
7,265 reviews
LOT
7.6
Good
1,107 reviews

Comfort

7.5

Food

7.2

Boarding

7.6

Overall

7.6

Crew

8.2

Entertainment

7.0

Reviews

1 / 20
2.0
Mediocre

Hinesh,May 2025

LHR - WAW

Would not recommend this airline flight was delayed baggage was lost bad communication, our bag landed at the destination airport at 12 midday but did not arrive at the hotel till midnight no urgency at all this totally ruined the first 2 days of our trip worst airline I have used.

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 $554 on this airline. An additional option worth looking into is Delta, starting at $644. Users have found that Turkish Airlines is 27% cheaper than the other options available to this destination.

  • 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 $1,134). 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

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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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$753FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$601FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$603FlexibilityNo cancel feeOn-time78%
LOTCheapest$535Average$880FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$719FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$545Average$935FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$753FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$905FlexibilityNo cancel feeOn-time69%

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