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$399+ Cheap flights from Illinois 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.
ORD — BUH
juny 20 — juny 271
dv. 6/20
dv. 6/27
1 adult, Economy
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Cheap flight deals from Illinois to Bucharest

Keep the following information in mind while searching for Illinois to Bucharest flight deals. Data was last updated juny 15, 2025.

Round-trip from

$637
(CrystalTravel)

One-way from

$399
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,154
From Illinois to Bucharest (BUH)
Search Deals
One-way flight from Illinois to Bucharest (BUH)
Search Deals
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 ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Illinois to Bucharest

Cheapest flights from Illinois to Bucharest
Explore the most affordable flight options available from Illinois to Bucharest. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juny 15, 2025.

This Scandinavian 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dj. 8/287:15 pmORD - OTP
1 stop17h 55mScandinavian Airlines
dl. 9/19:50 pmOTP - ORD
2 stops32h 06mScandinavian Airlines
Deal found 6/12$637
This FlightHub deal was found by Cheapflights users on 6/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dg. 8/1011:25 amORD - OTP
1 stop25h 00mTurkish Airlines
dv. 8/299:45 pmOTP - ORD
1 stop19h 55mTurkish Airlines
Deal found 6/13$638
This Gotogate deal was found by Cheapflights users on 6/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 10/153:35 pmORD - OTP
2 stops19h 00mMultiple Airlines
dc. 10/296:30 amOTP - ORD
1 stop17h 45mMultiple Airlines
Deal found 6/14$641
This oojo deal was found by Cheapflights users on 6/13. 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.
dg. 8/172:05 pmORD - OTP
1 stop15h 45mLOT
dg. 9/145:35 amOTP - ORD
1 stop14h 30mLOT
Deal found 6/13$642
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 8/95:58 pmORD - OTP
2 stops35h 17mAir Canada
dl. 8/251:55 pmOTP - ORD
2 stops38h 21mAir Canada
Deal found 6/14$646
This Air Serbia deal was found by Cheapflights users on 6/15. 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.
ds. 11/156:40 pmORD - OTP
1 stop24h 30mAir Serbia
dv. 11/284:30 amOTP - ORD
1 stop20h 10mAir Serbia
Deal found 6/15$655
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dt. 9/23:35 pmORD - OTP
1 stop12h 20mUnited Airlines
dj. 9/256:00 amOTP - ORD
2 stops22h 11mUnited Airlines
Deal found 6/13$674
This Expedia deal was found by Cheapflights users on 6/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ds. 9/62:15 pmORD - OTP
2 stops26h 15mBritish Airways
dt. 9/238:25 amOTP - ORD
1 stop15h 30mBritish Airways
Deal found 6/14$677
This SWISS deal was found by Cheapflights users on 6/14. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dl. 7/212:20 pmORD - OTP
1 stop17h 00mSWISS
dt. 8/124:10 pmOTP - ORD
1 stop28h 00mSWISS
Deal found 6/14$680
This Lufthansa deal was found by Cheapflights users on 6/14. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 9/34:00 pmORD - OTP
1 stop17h 55mLufthansa
dt. 9/236:00 amOTP - ORD
2 stops20h 21mLufthansa
Deal found 6/14$689
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dc. 8/1310:11 amMDW - OTP
2 stops17h 59mDelta
dt. 9/26:30 amOTP - MDW
2 stops20h 07mDelta
Deal found 6/14$704
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dl. 7/217:10 amORD - OTP
2 stops21h 00mDelta
dj. 8/146:30 amOTP - ORD
2 stops25h 26mDelta
Deal found 6/14$704

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 juny 15, 2025.
Use the filters below to find and compare flights from Illinois to Bucharest that are best for you.

Fly from

Illinois

Fly to

Bucharest

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dj. 8/28

7:15 pm-9:10 pm

1 stop17h 55m

Bucharest Otopeni Intl

dl. 9/1

9:50 pm-9:56 pm

2 stops32h 06m

$637

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dg. 8/10

11:25 am-8:25 pm

1 stop25h 00m

Bucharest Otopeni Intl

dv. 8/29

9:45 pm-9:40 am

1 stop19h 55m

$638

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dg. 8/17

2:05 pm-1:50 pm

1 stop15h 45m

Bucharest Otopeni Intl

dg. 9/14

5:35 am-12:05 pm

1 stop14h 30m

$642

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dc. 9/3

4:30 pm-3:20 pm

1 stop14h 50m

Bucharest Otopeni Intl

ds. 9/20

4:05 pm-9:00 pm

1 stop12h 55m

$645

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ds. 8/9

5:58 pm-1:15 pm

2 stops35h 17m

Bucharest Otopeni Intl

dl. 8/25

1:55 pm-8:16 pm

2 stops38h 21m

$646

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dt. 9/2

3:35 pm-11:55 am

1 stop12h 20m

Bucharest Otopeni Intl

dj. 9/25

6:00 am-8:11 pm

2 stops22h 11m

$674

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

ds. 9/6

2:15 pm-12:30 am

2 stops26h 15m

Bucharest Otopeni Intl

dt. 9/23

8:25 am-3:55 pm

1 stop15h 30m

$677

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dl. 7/21

2:20 pm-3:20 pm

1 stop17h 00m

Bucharest Otopeni Intl

dt. 8/12

4:10 pm-12:10 pm

1 stop28h 00m

$680

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dc. 9/3

4:00 pm-5:55 pm

1 stop17h 55m

Bucharest Otopeni Intl

dt. 9/23

6:00 am-6:21 pm

2 stops20h 21m

$689

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

dc. 8/13

10:11 am-12:10 pm

2 stops17h 59m

Bucharest Otopeni Intl

dt. 9/2

6:30 am-6:37 pm

2 stops20h 07m

$704

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 36 results
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Best time to book a flight from Illinois to Bucharest

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Bucharest (average of $604). Flying from Illinois 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 IL to BUH?

Find hourly flight availability from Illinois 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 juny 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Bucharest as you normally would.

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 juny 15, 2025.
Get a feel of what it's like to fly with Emirates, Delta and KLM from Illinois to Bucharest by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Emirates
8.1
Very good
3,266 reviews
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Delta
8.0
Very good
7,963 reviews
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
KLM
7.8
Good
1,361 reviews
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
LOT
7.6
Good
1,080 reviews
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.
Austrian Airlines
7.6
Good
804 reviews
Emirates
8.1
Very good
3,266 reviews

Food

7.8

Entertainment

8.2

Crew

8.3

Comfort

8.0

Overall

8.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2024

IAD - DXB

Not so good. Flight was departed 2 hours late from DC and we missed our connecting flight from Dubai to Mumbai. Our flight Dubai to Mumbai got delayed by three hours. Once we arrived Bombay airport we didnot get all our luggage bags. We were missing two luggage bags so found out that our those two luggage bags are coming in different flight. First they gave us wrong flight information in which our missing luggage coming and wrong phone number to whom we should reach out. I spent hours and hours at the airport to find out our luggage bags. After four five hours later and hectic time at the airport to get our luggage bags. Overall poor communication with emirates staff at the airport and no one is helpful.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 to fly from Illinois to Bucharest one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $425. SWISS flights start at $436 while deals on Delta start at $447 one-way.

  • What are the most popular routes from Illinois to Bucharest?

    While some choose either Chicago Midway - Bucharest Otopeni Intl or Lambert-St Louis - Bucharest Otopeni Intl, Chicago O'Hare Intl - Bucharest Otopeni Intl is the most popular route from Illinois to Bucharest.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Bucharest (average of $604). Flying from Illinois 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 Illinois?

Book flights to Illinois if you plan to visit one of these locations
Otopeni

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Alternative routes for Illinois to Bucharest

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Bucharest

Discover the top 10 airlines that operate flights from Illinois 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 juny 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$366Average$766FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$509Average$616FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$644FlexibilityNo cancel feeOn-time78%
LOTCheapest$532Average$959FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$544Average$715FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$550Average$969FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$580Average$807FlexibilityNo cancel feeOn-time77%
KLMCheapest$582Average$1,055FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$586Average$907FlexibilityNo cancel feeOn-time69%
SWISSCheapest$587Average$817FlexibilityNo cancel feeOn-time79%

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