HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Bucharest

$412+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Bucharest with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in February or October, booked 76 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 June 12, 2025.

Round-trip from

$637
(Scandinavian Airlines)

One-way from

$443
(Air France)

Popular in

June

Cheapest in

February

Average price

$1,154
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. 28% potential increase in price ($297 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:15 pmORD - OTP
1 stop16h 45mScandinavian Airlines
Mon 9/299:50 pmOTP - ORD
2 stops32h 12mScandinavian Airlines
Deal found 6/10$637
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/44:05 pmORD - OTP
2 stops18h 30mUnited Airlines
Mon 8/181:55 pmOTP - ORD
2 stops32h 05mUnited Airlines
Deal found 6/12$638
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:45 pmORD - OTP
1 stop24h 25mTurkish Airlines
Tue 9/29:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 6/11$639
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:15 pmORD - OTP
2 stops16h 20mMultiple Airlines
Fri 9/191:40 pmOTP - ORD
2 stops34h 30mMultiple Airlines
Deal found 6/12$641
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/105:10 pmORD - OTP
2 stops16h 35mLOT
Sun 8/315:35 amOTP - ORD
1 stop14h 30mLOT
Deal found 6/12$642
This Air Serbia 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 Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2311:20 pmORD - OTP
1 stop32h 00mAir Serbia
Tue 9/94:05 pmOTP - ORD
1 stop30h 20mAir Serbia
Deal found 6/10$644
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/217:05 pmORD - OTP
1 stop12h 15mSWISS
Tue 8/124:10 pmOTP - ORD
1 stop28h 00mSWISS
Deal found 6/10$654
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:00 pmORD - OTP
1 stop21h 55mBritish Airways
Thu 1/159:00 pmOTP - ORD
1 stop24h 55mBritish Airways
Deal found 6/11$672
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:30 pmORD - OTP
1 stop17h 10mLufthansa
Tue 9/231:50 pmOTP - ORD
1 stop14h 05mLufthansa
Deal found 6/10$676
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 9/122:00 pmORD - OTP
2 stops19h 55mAir Canada
Wed 10/16:00 amOTP - ORD
2 stops22h 11mAir Canada
Deal found 6/11$684
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/305:10 pmORD - OTP
1 stop19h 00mAir France
Thu 8/148:40 amOTP - ORD
1 stop14h 20mAir France
Deal found 6/10$688
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 8/139:45 amORD - OTP
2 stops18h 25mDelta
Thu 9/46:30 amOTP - ORD
1 stop16h 30mDelta
Deal found 6/9$693

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 June 12, 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

Tue 9/2

7:15 pm-8:00 pm

1 stop16h 45m

Bucharest Otopeni Intl

Mon 9/29

9:50 pm-10:02 pm

2 stops32h 12m

$637

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/4

4:05 pm-6:35 pm

2 stops18h 30m

Bucharest Otopeni Intl

Mon 8/18

1:55 pm-2:00 pm

2 stops32h 05m

$638

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/30

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

Tue 9/2

9:45 pm-9:40 am

1 stop19h 55m

$639

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/13

7:15 pm-7:35 pm

2 stops16h 20m

Bucharest Otopeni Intl

Fri 9/19

1:40 pm-4:10 pm

2 stops34h 30m

$641

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/10

5:10 pm-5:45 pm

2 stops16h 35m

Bucharest Otopeni Intl

Sun 8/31

5:35 am-12:05 pm

1 stop14h 30m

$642

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/23

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Tue 9/9

4:05 pm-2:25 pm

1 stop30h 20m

$644

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 7/21

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 8/12

4:10 pm-12:10 pm

1 stop28h 00m

$654

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 9/5

10:30 pm-11:40 pm

1 stop17h 10m

Bucharest Otopeni Intl

Tue 9/23

1:50 pm-7:55 pm

1 stop14h 05m

$676

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 9/12

2:00 pm-5:55 pm

2 stops19h 55m

Bucharest Otopeni Intl

Wed 10/1

6:00 am-8:11 pm

2 stops22h 11m

$684

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 7/30

5:10 pm-8:10 pm

1 stop19h 00m

Bucharest Otopeni Intl

Thu 8/14

8:40 am-3:00 pm

1 stop14h 20m

$688

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 28 results
1
2
3

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Chicago to Bucharest, you should look to book at least 76 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 $1,146). 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 June 12, 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 June 12, 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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,077 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
802 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
1,463 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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 Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $637 on this airline. Additional options worth looking into are United Airlines and Turkish Airlines, starting at $638 and $639 round-trip. Users have found that Scandinavian Airlines is 16% 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 Air France, which is currently one of the cheapest options available, starting at $443. Delta flights start at $446 while deals on ITA Airways start at $778 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 $1,146). 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?

Book flights to Chicago 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$366Average$766FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$509Average$615FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$644FlexibilityNo cancel feeOn-time78%
LOTCheapest$532Average$968FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$715FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$550Average$965FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$781FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$996FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$586Average$926FlexibilityNo cancel feeOn-time69%
SWISSCheapest$587Average$889FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.