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$224+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 1, 2025.

Round-trip from

$563
(CrystalTravel)

One-way from

$224
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$773
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. 27% potential increase in price ($296 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 1, 2025.

This CrystalTravel deal was found by Cheapflights users on 7/31. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:25 amORD - OTP
1 stop12h 45mTurkish Airlines
Mon 10/209:30 amOTP - ORD
1 stop20h 30mTurkish Airlines
Deal found 7/31$563
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmORD - OTP
1 stop12h 10mMultiple Airlines
Mon 12/152:50 pmOTP - ORD
1 stop13h 15mMultiple Airlines
Deal found 7/31$564
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmORD - OTP
1 stop12h 55mSWISS
Tue 1/136:30 amOTP - ORD
1 stop17h 50mSWISS
Deal found 7/30$566
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:20 pmORD - OTP
1 stop13h 45mLufthansa
Thu 12/111:05 pmOTP - ORD
1 stop13h 20mLufthansa
Deal found 7/30$568
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/79:40 pmORD - OTP
1 stop12h 05mLOT
Thu 10/235:35 amOTP - ORD
1 stop17h 35mLOT
Deal found 7/31$574
This Ovago deal was found by Cheapflights users on 8/1. 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 8/1610:35 pmORD - OTP
1 stop17h 55mBritish Airways
Tue 3/108:00 amOTP - ORD
1 stop15h 25mBritish Airways
Deal found 8/1$575
This United Airlines deal was found by Cheapflights users on 7/31. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 pmORD - OTP
1 stop16h 30mUnited Airlines
Fri 11/215:55 amOTP - ORD
2 stops21h 35mUnited Airlines
Deal found 7/31$584
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Tue 12/3012:50 pmORD - OTP
2 stops17h 05mAir Canada
Tue 1/135:55 amOTP - ORD
2 stops20h 32mAir Canada
Deal found 7/30$588
This Scandinavian Airlines deal was found by Cheapflights users on 7/29. 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 10/57:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
Mon 10/139:50 pmOTP - ORD
2 stops31h 29mScandinavian Airlines
Deal found 7/29$609
This Delta deal was found by Cheapflights users on 8/1. 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.
Fri 11/142:00 pmMDW - OTP
2 stops15h 50mDelta
Fri 11/216:05 amOTP - MDW
2 stops20h 02mDelta
Deal found 8/1$612
This Austrian Airlines deal was found by Cheapflights users on 7/30. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/271:24 pmORD - OTP
2 stops35h 41mAustrian Airlines
Sat 1/106:35 pmOTP - ORD
2 stops31h 58mAustrian Airlines
Deal found 7/30$615
This Air Serbia deal was found by Cheapflights users on 7/30. 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 8/3011:20 pmORD - OTP
1 stop19h 45mAir Serbia
Tue 9/24:05 pmOTP - ORD
1 stop30h 20mAir Serbia
Deal found 7/30$635

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 1, 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

Fri 10/10

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Mon 10/20

9:30 am-10:00 pm

1 stop20h 30m

$563

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/1

4:20 pm-12:30 pm

1 stop12h 10m

Bucharest Otopeni Intl

Mon 12/15

2:50 pm-8:05 pm

1 stop13h 15m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/30

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 1/13

6:30 am-4:20 pm

1 stop17h 50m

$566

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/27

4:20 pm-2:05 pm

1 stop13h 45m

Bucharest Otopeni Intl

Thu 12/11

1:05 pm-6:25 pm

1 stop13h 20m

$568

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/7

9:40 pm-5:45 pm

1 stop12h 05m

Bucharest Otopeni Intl

Thu 10/23

5:35 am-3:10 pm

1 stop17h 35m

$574

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/16

10:35 pm-12:30 am

1 stop17h 55m

Bucharest Otopeni Intl

Tue 3/10

8:00 am-4:25 pm

1 stop15h 25m

$575

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/14

6:00 pm-6:30 pm

1 stop16h 30m

Bucharest Otopeni Intl

Fri 11/21

5:55 am-7:30 pm

2 stops21h 35m

$584

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/30

12:50 pm-1:55 pm

2 stops17h 05m

Bucharest Otopeni Intl

Tue 1/13

5:55 am-6:27 pm

2 stops20h 32m

$588

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/5

7:15 pm-9:10 pm

1 stop17h 55m

Bucharest Otopeni Intl

Mon 10/13

9:50 pm-9:19 pm

2 stops31h 29m

$609

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 12/27

1:24 pm-9:05 am

2 stops35h 41m

Bucharest Otopeni Intl

Sat 1/10

6:35 pm-6:33 pm

2 stops31h 58m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 23 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 July 25, 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 $1,137). 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 1, 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.

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 1, 2025.
See what other customers who have flown with Delta, LOT, and Austrian 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.
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,105 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
823 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,465 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,981 reviews

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $563 on this airline. Additional options worth looking into are SWISS and Lufthansa, starting at $566 and $568 round-trip. Users have found that Turkish Airlines is 26% 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 Scandinavian Airlines, which is currently one of the cheapest options available, starting at $379. Turkish Airlines flights start at $383 while deals on Air Serbia start at $393 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 $1,137). 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$753FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$610FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$638FlexibilityNo cancel feeOn-time78%
LOTCheapest$535Average$884FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$715FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$545Average$929FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$749FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$987FlexibilityNo cancel feeOn-time75%
SWISSCheapest$587Average$772FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$588Average$898FlexibilityNo cancel feeOn-time69%

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