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$253+ 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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BUH
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Find cheap flights from Chicago to Bucharest with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Bucharest are usually found in January or October, booked 60 days in advance, depart on a Monday or Saturday 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 February 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 pm
ORD
-
OTP
1 stop12h 15m
SWISS
Tue 8/256:20 am
OTP
-
ORD
1 stop17h 35m
SWISS
Deal found 2/11$494
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:05 pm
ORD
-
OTP
1 stop12h 15m
SWISS
Wed 8/266:20 am
OTP
-
ORD
1 stop14h 15m
SWISS
Deal found 2/10$503
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/299:45 pm
ORD
-
OTP
1 stop13h 50m
British Airways
Mon 12/74:00 pm
OTP
-
ORD
1 stop29h 50m
British Airways
Deal found 2/10$504
This Mytrip deal was found by Cheapflights users on 2/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:45 am
ORD
-
OTP
2 stops25h 50m
Multiple Airlines
Tue 8/254:10 pm
OTP
-
ORD
1 stop28h 25m
Multiple Airlines
Deal found 2/11$506
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Tue 8/119:40 pm
ORD
-
OTP
1 stop12h 55m
Multiple Airlines
Wed 8/266:20 am
OTP
-
ORD
1 stop14h 15m
Multiple Airlines
Deal found 2/10$512
This FlightHub deal was found by Cheapflights users on 2/10. 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.
Mon 10/511:50 pm
ORD
-
OTP
1 stop24h 20m
Turkish Airlines
Fri 10/169:35 pm
OTP
-
ORD
1 stop20h 05m
Turkish Airlines
Deal found 2/10$514
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:50 pm
ORD
-
OTP
1 stop13h 00m
SWISS
Mon 12/74:40 pm
OTP
-
ORD
1 stop31h 40m
SWISS
Deal found 2/10$515
This FlightHub deal was found by Cheapflights users on 2/11. 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.
Thu 3/511:50 am
ORD
-
OTP
1 stop13h 00m
Turkish Airlines
Thu 3/199:50 pm
OTP
-
ORD
1 stop20h 15m
Turkish Airlines
Deal found 2/11$518
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:10 am
ORD
-
OTP
2 stops26h 00m
Delta
Thu 12/31:55 pm
OTP
-
ORD
1 stop32h 35m
Delta
Deal found 2/10$519
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
ORD
-
OTP
1 stop19h 30m
United Airlines
Tue 8/256:05 am
OTP
-
ORD
2 stops18h 52m
United Airlines
Deal found 2/10$520
This Delta deal was found by Cheapflights users on 2/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:49 am
MDW
-
OTP
2 stops17h 16m
Delta
Tue 3/106:00 am
OTP
-
MDW
2 stops18h 22m
Delta
Deal found 2/10$580
This KLM deal was found by Cheapflights users on 2/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:26 pm
MDW
-
OTP
2 stops15h 34m
KLM
Thu 3/128:35 am
OTP
-
MDW
2 stops17h 05m
KLM
Deal found 2/10$586

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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$494
(Kiwi.com)

One-way from

$253
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$601

Good round-trip deal

$812 or less

Good one-way deal

$419 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. 17% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 13, 2026.
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

Mon 8/10

3:35 pm-6:35 pm

1 stop19h 00m

Bucharest Otopeni Intl

Tue 8/25

6:05 am-4:57 pm

2 stops18h 52m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/11

1:55 pm-6:35 pm

2 stops20h 40m

Bucharest Otopeni Intl

Tue 8/25

1:50 pm-8:05 pm

2 stops38h 15m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

9:50 am-12:00 pm

2 stops18h 10m

Bucharest Otopeni Intl

Wed 8/26

6:05 am-9:05 pm

2 stops23h 00m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/11

11:15 am-12:00 pm

2 stops16h 45m

Bucharest Otopeni Intl

Mon 8/24

6:15 am-12:35 pm

1 stop14h 20m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

9:50 am-12:00 pm

2 stops18h 10m

Bucharest Otopeni Intl

Mon 8/24

6:15 am-12:35 pm

1 stop14h 20m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

1:00 pm-12:00 pm

2 stops15h 00m

Bucharest Otopeni Intl

Mon 8/24

6:05 am-9:05 pm

2 stops23h 00m

$558

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

3:35 pm-12:00 pm

1 stop12h 25m

Bucharest Otopeni Intl

Fri 8/28

6:05 am-12:55 pm

1 stop14h 50m

$565

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/27

3:48 pm-5:20 pm

2 stops17h 32m

Bucharest Otopeni Intl

Wed 5/6

8:15 am-8:04 am

2 stops31h 49m

$566

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/25

6:00 am-12:05 pm

2 stops22h 05m

Bucharest Otopeni Intl

Mon 3/9

6:00 am-3:20 pm

1 stop16h 20m

$570

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 3/18

11:15 am-12:20 pm

2 stops18h 05m

Bucharest Otopeni Intl

Thu 4/2

6:05 am-11:00 am

1 stop12h 55m

$570

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 37 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Bucharest flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 February 6, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Bucharest, you should look to book at least 57 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 $329). 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.

How much does it cost to fly round-trip from Chicago to Bucharest?

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 67% 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.

Vienna (VIE) is the most affordable 1-stop option, with an average round-trip price of $482.

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 Vienna (VIE) have the shortest average one-way travel time for 1-stop routes: 12h 10m.

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 Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 2h 06m.

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 February 13, 2026.
See what other customers who have flown with LOT, United Airlines, and Turkish 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.
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
LOT
7.5
Good
1,179 reviews
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
United Airlines
7.4
Good
9,283 reviews
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
Turkish Airlines
7.3
Good
4,212 reviews
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
Lufthansa
6.8
Okay
7,782 reviews
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented
British Airways
6.7
Okay
7,737 reviews
LOT
7.5
Good
1,179 reviews

Comfort

7.4

Food

7.1

Crew

8.2

Boarding

7.5

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Goh Hua Sheng,Dec 2025

WAW - KRK

even though it was only a one hour flight the cabin crew were polite and detail oriented

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?

    United Airlines, Delta, and KLM can get you from Chicago to Bucharest in just under 15h 34m. Your travel time can differ by up to 3h 26m. Chicago and Bucharest are separated by a distance of 5203 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 57% 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 Austrian Airlines, which is currently one of the cheapest options available, starting at $251. KLM flights start at $270 while deals on Lufthansa start at $280 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 $1,367, our data indicates the cheapest price to be $419. The most popular route (Chicago O'Hare Intl - Bucharest Otopeni Intl), is priced around $494.

  • 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 $329). 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$326Average$579FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$503Average$594FlexibilityNo cancel feeOn-time77%
Austrian AirlinesCheapest$517Average$732FlexibilityNo cancel feeOn-time78%
KLMCheapest$541Average$887FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$553Average$803FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$566Average$829FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$569Average$749FlexibilityNo cancel feeOn-time77%
DeltaCheapest$575Average$992FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$576Average$901FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$578Average$895FlexibilityNo cancel feeOn-time69%

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