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Cheap flights from Bucharest to Chicago from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest to Chicago departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Lufthansa Logo
2:50 pm - 8:05 pmOTP-ORD
13h 15m1 stop
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
$660Lufthansa
Find Deal
Fri, Nov 14 - Fri, Nov 28
Lufthansa Logo
2:45 pm - 8:05 pmOTP-ORD
13h 20m1 stop
Lufthansa Logo
10:35 pm - 6:40 pmORD-OTP
12h 05m1 stop
$661Lufthansa
Find Deal
Thu, Nov 13 - Thu, Nov 27
LOT Logo
2:35 pm - 8:00 pmOTP-ORD
13h 25m1 stop
LOT Logo
9:55 pm - 5:40 pmORD-OTP
11h 45m1 stop
$664LOT
Find Deal
Sat, Jan 17 - Sat, Feb 21
LOT Logo
8:20 am - 8:00 pmOTP-ORD
19h 40m1 stop
LOT Logo
5:10 pm - 5:45 pmORD-OTP
16h 35m2 stops
$665LOT
Find Deal
Fri, Nov 21 - Sun, Aug 23
Multiple Airlines Logo
4:30 am - 5:20 pmOTP-ORD
20h 50m3 stops
Multiple Airlines Logo
6:30 pm - 12:30 amORD-OTP
22h 00m3 stops
$666Multiple Airlines
Find Deal
Wed, Nov 12 - Fri, Nov 28
Multiple Airlines Logo
5:55 am - 1:10 pmOTP-ORD
15h 15m1 stop
Multiple Airlines Logo
7:05 pm - 3:20 pmORD-OTP
12h 15m1 stop
$667Multiple Airlines
Find Deal
Sat, Nov 22 - Mon, May 11
Air Canada Logo
5:55 am - 11:18 amOTP-ORD
37h 23m2 stops
Air Canada Logo
5:55 pm - 3:50 pmORD-OTP
37h 55m2 stops
$669Air Canada
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Sat, Nov 22 - Sun, Dec 7
United Airlines Logo
5:55 am - 8:05 pmOTP-ORD
22h 10m1 stop
United Airlines Logo
4:20 pm - 2:10 pmORD-OTP
13h 50m1 stop
$672United Airlines
Find Deal
Fri, Nov 21 - Fri, Jan 30
United Airlines Logo
5:55 am - 11:10 amOTP-ORD
13h 15m1 stop
United Airlines Logo
7:10 am - 2:10 pmORD-OTP
23h 00m2 stops
$673United Airlines
Find Deal
Fri, Nov 21 - Fri, Feb 20
Air Canada Logo
5:55 am - 8:00 amOTP-ORD
34h 05m2 stops
Air Canada Logo
7:15 am - 2:05 pmORD-OTP
22h 50m2 stops
$674Air Canada
Find Deal
Fri, Nov 21 - Sun, Feb 15

LOT flights from Bucharest to Chicago O'Hare Intl Airport

Our best LOT deals on Bucharest to Chicago O'Hare Intl Airport flight tickets
LOT
Jan 17
OTP2:35 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Feb 21
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
$664
Find similar
LOT
Nov 21
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
Aug 23
ORD5:10 pmChicago O'Hare Intl
16h 35m
2 stops
OTP5:45 pmBucharest Otopeni Intl
$665
Find similar
LOT
Nov 21
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jan 26
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
$688
Find similar

United Airlines flights from Bucharest to Chicago O'Hare Intl Airport

Our best United Airlines deals on Bucharest to Chicago O'Hare Intl Airport flight tickets
United Airlines
Nov 13
OTP5:50 amBucharest Otopeni Intl
15h 20m
1 stop
ORD1:10 pmChicago O'Hare Intl
Nov 28
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
$670
Find similar
United Airlines
Nov 21
OTP5:55 amBucharest Otopeni Intl
22h 10m
1 stop
ORD8:05 pmChicago O'Hare Intl
Jan 30
ORD4:20 pmChicago O'Hare Intl
13h 50m
1 stop
OTP2:10 pmBucharest Otopeni Intl
$672
Find similar
United Airlines
Nov 13
OTP2:45 pmBucharest Otopeni Intl
13h 20m
1 stop
ORD8:05 pmChicago O'Hare Intl
Nov 27
ORD1:36 pmChicago O'Hare Intl
21h 04m
2 stops
OTP6:40 pmBucharest Otopeni Intl
$673
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest to Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Bucharest to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/14

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 11/28

9:50 pm-6:35 pm

1 stop12h 45m

$660

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/13

2:45 pm-8:05 pm

1 stop13h 20m

Chicago O'Hare Intl

Thu 11/27

10:35 pm-6:40 pm

1 stop12h 05m

$661

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/17

2:35 pm-8:00 pm

1 stop13h 25m

Chicago O'Hare Intl

Sat 2/21

9:55 pm-5:40 pm

1 stop11h 45m

$664

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sun 8/23

5:10 pm-5:45 pm

2 stops16h 35m

$665

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/12

4:30 am-5:20 pm

3 stops20h 50m

Chicago O'Hare Intl

Fri 11/28

6:30 pm-12:30 am

3 stops22h 00m

$666

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/22

5:55 am-1:10 pm

1 stop15h 15m

Chicago O'Hare Intl

Mon 5/11

7:05 pm-3:20 pm

1 stop12h 15m

$667

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/22

5:55 am-11:18 am

2 stops37h 23m

Chicago O'Hare Intl

Sun 12/7

5:55 pm-3:50 pm

2 stops37h 55m

$669

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

5:55 am-8:05 pm

1 stop22h 10m

Chicago O'Hare Intl

Fri 1/30

4:20 pm-2:10 pm

1 stop13h 50m

$672

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Fri 2/20

7:10 am-2:10 pm

2 stops23h 00m

$673

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

5:55 am-8:00 am

2 stops34h 05m

Chicago O'Hare Intl

Sun 2/15

7:15 am-2:05 pm

2 stops22h 50m

$674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Bucharest to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of June is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bucharest averaging around $622.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as $675. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Bucharest because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $730.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Bucharest at noon is the least expensive time of day to depart. momondo users have found prices as low as $643 when looking at flights departing at noon. Try not to purchase tickets in the evening because they tend to be around $824. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Bucharest to Chicago O'Hare Intl flight route?

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Bucharest - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $700 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Bucharest for as low as $634 on momondo.

What cabin class options are available on Bucharest to Chicago O'Hare Intl flights?

There is only 1 cabin class available to choose from on Bucharest to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Bucharest to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Bucharest to Chicago O'Hare Intl Airport.

When to book flights from Bucharest to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bucharest to Chicago O'Hare Intl Airport (BUH to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest to Chicago O'Hare Intl Airport

Direct flights

None
There are no direct flights from Bucharest to Chicago O'Hare Intl Airport. There are no popular flight routes from Bucharest to Chicago O'Hare Intl Airport.
Search flight deals

  • How far is Bucharest to Chicago O'Hare Intl by plane?

    There are 5205.0 mi between Bucharest and Chicago O'Hare Intl. By plane, this route typically takes 13h 15m.

  • When did momondo last update prices for flights from Bucharest to Chicago O'Hare Intl Airport?

    Prices for flights from Bucharest to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Bucharest to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Bucharest to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Bucharest to Chicago O'Hare Intl Airport?

Best airlines flying from Bucharest to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Bucharest to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $493Free CancellationRating
7.3
4,032 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,542 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,406 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,487 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,482 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,135 reviews
Search LOT flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,998 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Aurora
Elgin
Benton Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bucharest to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Bucharest to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Bucharest with this policy.

How can momondo help me find flights from Bucharest to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Bucharest.

I’m not ready to book a flight from Bucharest to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Bucharest. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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