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$337+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUH
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap flight deals from Illinois to Bucharest

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$533
(FlightHub)

One-way from

$337
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$625
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
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From Illinois to Bucharest (BUH)
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One-way flight from Illinois to Bucharest (BUH)
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Highest demand for flights based on searches. 22% potential increase in price ($227 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/811:35 amORD - OTP
1 stop24h 50mTurkish Airlines
Wed 4/233:55 pmOTP - ORD
1 stop25h 55mTurkish Airlines
Deal found 1/29$533
This FlightHub deal was found by Cheapflights users on 1/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/229:55 pmORD - OTP
1 stop31h 55mLOT
Sat 3/15:30 amOTP - ORD
1 stop22h 30mLOT
Deal found 1/30$562
This Kiwi.com deal was found by Cheapflights users on 1/30. 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.
Mon 3/106:45 amORD - OTP
2 stops30h 40mMultiple Airlines
Mon 3/319:30 amOTP - ORD
1 stop30h 04mMultiple Airlines
Deal found 1/30$566
This oojo deal was found by Cheapflights users on 1/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/269:45 pmORD - OTP
1 stop17h 45mBritish Airways
Wed 3/53:35 pmOTP - ORD
2 stops30h 55mBritish Airways
Deal found 1/30$610
This United deal was found by Cheapflights users on 1/30. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/128:05 pmORD - OTP
1 stop12h 40mUnited Airlines
Wed 3/266:05 amOTP - ORD
2 stops20h 50mUnited Airlines
Deal found 1/30$614
This Priceline deal was found by Cheapflights users on 1/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:20 amORD - OTP
2 stops27h 10mAir Canada
Wed 3/126:05 amOTP - ORD
2 stops20h 50mAir Canada
Deal found 1/30$616
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:44 pmMDW - OTP
2 stops15h 56mDelta
Wed 3/126:00 amOTP - MDW
2 stops23h 23mDelta
Deal found 1/30$639
This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/106:15 pmORD - OTP
2 stops20h 05mDelta
Thu 3/276:00 amOTP - ORD
2 stops23h 15mDelta
Deal found 1/30$639
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:15 pmORD - OTP
2 stops21h 45mScandinavian Airlines
Sun 10/129:25 pmOTP - ORD
1 stop26h 45mScandinavian Airlines
Deal found 1/29$669
This StudentUniverse deal was found by Cheapflights users on 1/30. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/210:35 pmORD - OTP
2 stops18h 35mLufthansa
Sun 3/167:15 pmOTP - ORD
2 stops26h 10mLufthansa
Deal found 1/30$688
This Air Serbia deal was found by Cheapflights users on 1/30. 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 8/1611:20 pmORD - OTP
1 stop19h 45mAir Serbia
Mon 9/84:40 amOTP - ORD
1 stop20h 00mAir Serbia
Deal found 1/30$725
This Austrian Airlines deal was found by Cheapflights users on 1/30. 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.
Wed 3/54:20 pmORD - OTP
1 stop12h 10mAustrian Airlines
Sun 3/306:55 pmOTP - ORD
1 stop26h 25mAustrian Airlines
Deal found 1/30$799

Find flights from Illinois to Bucharest within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/8

11:35 am-8:25 pm

1 stop24h 50m

Bucharest Otopeni Intl

Wed 4/23

3:55 pm-9:50 am

1 stop25h 55m

$533

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/22

9:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

Sat 3/1

5:30 am-8:00 pm

1 stop22h 30m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/10

6:45 am-8:25 pm

2 stops30h 40m

Bucharest Otopeni Intl

Mon 3/31

9:30 am-7:34 am

1 stop30h 04m

$566

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/26

9:45 pm-11:30 pm

1 stop17h 45m

Bucharest Otopeni Intl

Wed 3/5

3:35 pm-2:30 pm

2 stops30h 55m

$610

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 3/12

8:05 pm-3:45 pm

1 stop12h 40m

Bucharest Otopeni Intl

Wed 3/26

6:05 am-7:55 pm

2 stops20h 50m

$614

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 3/5

7:20 am-6:30 pm

2 stops27h 10m

Bucharest Otopeni Intl

Wed 3/12

6:05 am-7:55 pm

2 stops20h 50m

$616

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 3/5

12:44 pm-12:40 pm

2 stops15h 56m

Bucharest Otopeni Intl

Wed 3/12

6:00 am-10:23 pm

2 stops23h 23m

$639

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/10

6:15 pm-9:20 pm

2 stops20h 05m

Bucharest Otopeni Intl

Thu 3/27

6:00 am-10:15 pm

2 stops23h 15m

$639

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/2

10:35 pm-1:10 am

2 stops18h 35m

Bucharest Otopeni Intl

Sun 3/16

7:15 pm-2:25 pm

2 stops26h 10m

$688

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/16

8:40 pm-12:40 am

2 stops21h 00m

Bucharest Otopeni Intl

Sun 4/27

1:05 pm-4:10 pm

1 stop35h 05m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 27 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.

Travel insights for flights from Illinois to Bucharest

Get recent, data-driven insights about flights from Illinois to Bucharest including ideal travel times, pricing trends, and more.

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 $1,175). 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 January 30, 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 January 30, 2025.
Get a feel of what it's like to fly with Delta, KLM and LOT 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.
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,454 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT
7.6
Good
1,097 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.5
Good
786 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,584 reviews
Delta
8.0
Very good
8,454 reviews

Overall

8.0

Comfort

8.0

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Turkish Airlines, which is currently one of the cheapest options available, starting at $450. SWISS flights start at $460 while deals on British Airways start at $512 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 $1,175). 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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Philadelphia to Otopeni Intl flights

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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$508Average$585FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$522Average$711FlexibilityNo cancel feeOn-time70%
LOTCheapest$537Average$1,031FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$545Average$1,020FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$552Average$772FlexibilityNo cancel feeOn-time77%
DeltaCheapest$562Average$1,035FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$581Average$830FlexibilityNo cancel feeOn-time69%
KLMCheapest$582Average$869FlexibilityNo cancel feeOn-time75%
Austrian AirlinesCheapest$588Average$808FlexibilityNo cancel feeOn-time78%
SWISSCheapest$610Average$941FlexibilityNo cancel feeOn-time79%
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