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$260+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
ene. 29 — feb. 51
jue. 1/29
jue. 2/5
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in October or February, booked 12 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap 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 diciembre 30, 2025.

This FlightHub deal was found by Cheapflights users on 12/28. 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.
lun. 12/299:50 pmORD - OTP
1 stop12h 45mMultiple Airlines
lun. 1/124:40 pmOTP - ORD
1 stop31h 40mMultiple Airlines
Deal found 12/28$562
This FlightHub deal was found by Cheapflights users on 12/28. 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.
mié. 12/319:50 pmORD - OTP
1 stop19h 15mMultiple Airlines
lun. 1/124:40 pmOTP - ORD
1 stop31h 40mMultiple Airlines
Deal found 12/28$563
This Delta deal was found by Cheapflights users on 12/28. 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.
mié. 12/315:20 pmORD - OTP
1 stop21h 30mDelta
mar. 1/131:55 pmOTP - ORD
1 stop32h 25mDelta
Deal found 12/28$564
This SWISS deal was found by Cheapflights users on 12/28. 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.
mar. 12/304:10 pmORD - OTP
1 stop15h 35mSWISS
lun. 1/124:40 pmOTP - ORD
1 stop31h 40mSWISS
Deal found 12/28$568
This Delta deal was found by Cheapflights users on 12/28. 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.
mié. 12/316:02 pmORD - OTP
2 stops20h 48mDelta
mié. 1/146:00 amOTP - ORD
1 stop16h 20mDelta
Deal found 12/28$569
This United Airlines deal was found by Cheapflights users on 12/28. 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.
dom. 12/2810:35 pmORD - OTP
1 stop17h 15mUnited Airlines
vie. 1/95:55 amOTP - ORD
1 stop22h 10mUnited Airlines
Deal found 12/28$577
This United Airlines deal was found by Cheapflights users on 12/28. 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.
dom. 12/289:15 pmORD - OTP
2 stops37h 20mUnited Airlines
mié. 1/146:05 amOTP - ORD
1 stop17h 15mUnited Airlines
Deal found 12/28$579
This United Airlines deal was found by Cheapflights users on 12/28. 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.
lun. 12/296:25 pmORD - OTP
1 stop21h 30mUnited Airlines
mié. 1/146:05 amOTP - ORD
2 stops22h 05mUnited Airlines
Deal found 12/28$581
This KAYAK deal was found by Cheapflights users on 12/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:50 pmORD - OTP
1 stop21h 40mSWISS
mar. 1/136:30 amOTP - ORD
2 stops37h 40mSWISS
Deal found 12/28$588
This United Airlines deal was found by Cheapflights users on 12/28. 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.
mar. 12/309:15 pmORD - OTP
2 stops42h 40mUnited Airlines
vie. 1/92:50 pmOTP - ORD
1 stop13h 15mUnited Airlines
Deal found 12/28$593
This United Airlines deal was found by Cheapflights users on 12/28. 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.
mar. 12/309:15 pmORD - OTP
2 stops42h 40mUnited Airlines
dom. 1/115:55 amOTP - ORD
2 stops22h 15mUnited Airlines
Deal found 12/28$596
This Delta deal was found by Cheapflights users on 12/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:08 pmMDW - OTP
2 stops20h 42mDelta
mié. 1/76:05 amOTP - MDW
2 stops19h 29mDelta
Deal found 12/29$8,460

Find 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 diciembre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$545
(Mytrip)

One-way from

$260
(oojo)

Popular in

June

Cheapest in

October

Average price

$1,017

Good round-trip deal

$811 or less

Good one-way deal

$218 or less
Provider with most accurate pricing for Chicago (CHI)-Bucharest (BUH) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Bucharest (BUH) flights.
Search Deals
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. 25% potential increase in price ($271 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Bucharest (BUH).
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Bucharest (BUH).
Search Deals

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 diciembre 30, 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

jue. 4/2

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

mar. 4/14

6:05 am-2:55 pm

2 stops16h 50m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 5/1

4:20 pm-1:00 pm

1 stop12h 40m

Bucharest Otopeni Intl

mar. 5/12

7:00 am-10:06 pm

2 stops23h 06m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 5/2

4:20 pm-1:00 pm

1 stop12h 40m

Bucharest Otopeni Intl

mar. 5/12

7:00 am-9:36 pm

2 stops22h 36m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 5/1

4:20 pm-5:40 pm

1 stop17h 20m

Bucharest Otopeni Intl

mié. 5/13

2:00 pm-10:06 pm

2 stops16h 06m

$552

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 4/6

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

dom. 4/19

6:05 am-3:10 pm

2 stops17h 05m

$554

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

mié. 4/8

9:30 am-1:00 pm

2 stops19h 30m

Bucharest Otopeni Intl

mié. 4/15

7:00 am-6:45 pm

2 stops19h 45m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 1/13

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

lun. 1/19

5:55 am-11:10 am

1 stop13h 15m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 3/17

1:39 pm-10:55 pm

2 stops26h 16m

Bucharest Otopeni Intl

mar. 3/31

8:25 am-12:35 pm

2 stops36h 10m

$562

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 1/19

5:20 pm-10:50 pm

1 stop21h 30m

Bucharest Otopeni Intl

mar. 2/3

1:55 pm-2:20 pm

1 stop32h 25m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 4/27

9:45 am-12:45 pm

2 stops19h 00m

Bucharest Otopeni Intl

vie. 5/15

7:00 am-2:15 pm

1 stop15h 15m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 31 results
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Compare providers for flights from Chicago to Bucharest

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Bucharest in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Bucharest flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Bucharest flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Bucharest flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Bucharest flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Bucharest flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 26, 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $334). Flying from Chicago to Bucharest in June is currently the most expensive (average of $759). 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’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 63% 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 $829.

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: 12h 05m.

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 diciembre 30, 2025.
See what other customers who have flown with KLM, LOT, and United 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.
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,435 reviews
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
LOT
7.5
Good
1,158 reviews
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,123 reviews
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,132 reviews
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,665 reviews
KLM
7.7
Good
1,435 reviews

Comfort

7.6

Entertainment

7.1

Crew

8.4

Overall

7.7

Food

7.2

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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.

  • How long is the flight from Chicago to Bucharest?

    Delta and KLM can get you from Chicago to Bucharest in just under 12h 40m. Your travel time can differ by up to 2h 54m. Chicago and Bucharest are separated by a distance of 5198 mi. This flight may include one or multiple stops.

  • 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 $326 on this airline. Additional options worth looking into are Turkish Airlines and Austrian Airlines, starting at $503 and $517 round-trip. Users have found that Scandinavian Airlines is 58% 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 Turkish Airlines, which is currently one of the cheapest options available, starting at $287. Lufthansa flights start at $394 while deals on LOT start at $456 one-way.

  • What are the cheapest flights from Chicago to Bucharest?

    Looking for the cheapest flight from Chicago to Bucharest? While on average our users pay $622, our data indicates the cheapest price to be $218. The most popular route (Chicago O'Hare Intl - Bucharest Otopeni Intl), is priced around $488.

  • 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, April is the cheapest month in which you can book a flight from Chicago to Bucharest (average of $334). Flying from Chicago to Bucharest in June is currently the most expensive (average of $759). 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 diciembre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$385Average$695FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$504Average$594FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$732FlexibilityNo cancel feeOn-time78%
LOTCheapest$562Average$897FlexibilityNo cancel feeOn-time81%
LufthansaCheapest$566Average$848FlexibilityNo cancel feeOn-time76%
KLMCheapest$568Average$891FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$569Average$749FlexibilityNo cancel feeOn-time77%
DeltaCheapest$575Average$992FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$577Average$799FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$595Average$897FlexibilityNo cancel feeOn-time69%

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