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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $387

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 Otopeni Intl Airport to Chicago departing on 12/13. 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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Find the cheapest flights from Bucharest Otopeni Intl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:55 am - 6:37 pm
OTP
-
ORD
20h 42m2 stops
United Airlines Logo
2:00 pm - 11:50 pm
ORD
-
OTP
25h 50m2 stops
$652United Airlines
Fri, Feb 6 - Sun, Feb 8
Air Canada Logo
6:30 am - 4:39 pm
OTP
-
ORD
42h 09m2 stops
Air Canada Logo
8:40 pm - 3:50 pm
ORD
-
OTP
36h 10m2 stops
$654Air Canada
Wed, Feb 25 - Tue, Mar 17
Air Canada Logo
6:30 am - 3:10 pm
OTP
-
ORD
40h 40m2 stops
Air Canada Logo
12:50 pm - 2:00 pm
ORD
-
OTP
18h 10m2 stops
$655Air Canada
Wed, Feb 25 - Wed, Mar 11
LOT Logo
8:20 am - 8:00 pm
OTP
-
ORD
19h 40m1 stop
LOT Logo
10:55 pm - 11:15 pm
ORD
-
OTP
17h 20m1 stop
$658LOT
Wed, Feb 25 - Sat, Mar 14
LOT Logo
6:25 pm - 7:55 pm
OTP
-
ORD
33h 30m2 stops
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m1 stop
$659LOT
Sun, Feb 1 - Tue, Mar 31
British Airways Logo
4:45 pm - 1:50 pm
OTP
-
ORD
29h 05m1 stop
British Airways Logo
5:10 pm - 2:55 pm
ORD
-
OTP
13h 45m1 stop
$661British Airways
Fri, Feb 6 - Sun, Feb 8
Multiple Airlines Logo
5:55 am - 3:20 pm
OTP
-
ORD
17h 25m1 stop
Multiple Airlines Logo
5:20 pm - 5:50 pm
ORD
-
OTP
17h 30m1 stop
$663Multiple Airlines
Sat, Feb 28 - Fri, Mar 13
Multiple Airlines Logo
2:50 pm - 8:05 pm
OTP
-
ORD
13h 15m1 stop
Multiple Airlines Logo
5:20 pm - 5:50 pm
ORD
-
OTP
17h 30m1 stop
$664Multiple Airlines
Fri, Feb 27 - Fri, Mar 13
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m2 stops
KLM Logo
1:26 pm - 1:00 pm
MDW
-
OTP
15h 34m2 stops
$680KLM
Sat, Jan 17 - Sat, Jan 31
KLM Logo
8:35 am - 5:55 pm
OTP
-
MDW
17h 20m2 stops
KLM Logo
1:28 pm - 1:00 pm
MDW
-
OTP
15h 32m2 stops
$711KLM
Thu, Jan 22 - Sat, Feb 21

British Airways flights from Bucharest Otopeni Intl Airport to Chicago

Our best British Airways deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
British Airways
Feb 6
OTP4:45 pmBucharest Otopeni Intl
29h 05m
1 stop
ORD1:50 pmChicago O'Hare Intl
Feb 8
ORD5:10 pmChicago O'Hare Intl
13h 45m
1 stop
OTP2:55 pmBucharest Otopeni Intl
$661
Find similar
British Airways
Dec 9
OTP8:00 amBucharest Otopeni Intl
23h 39m
2 stops
ORD11:39 pmChicago O'Hare Intl
Dec 25
ORD3:57 pmChicago O'Hare Intl
23h 48m
2 stops
OTP11:45 pmBucharest Otopeni Intl
$918
Find similar

Lufthansa flights from Bucharest Otopeni Intl Airport to Chicago

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
Lufthansa
Feb 6
OTP6:05 amBucharest Otopeni Intl
17h 15m
2 stops
ORD3:20 pmChicago O'Hare Intl
Feb 8
ORD5:50 pmChicago O'Hare Intl
16h 45m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$677
Find similar
Lufthansa
Dec 24
OTP2:40 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD8:05 pmChicago O'Hare Intl
Jan 8
ORD9:50 pmChicago O'Hare Intl
19h 15m
1 stop
OTP1:05 amBucharest Otopeni Intl
$699
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport to Chicago 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 December 4, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

5:55 am-6:37 pm

2 stops20h 42m

Chicago O'Hare Intl

Sun 2/8

2:00 pm-11:50 pm

2 stops25h 50m

$652

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/25

6:30 am-4:39 pm

2 stops42h 09m

Chicago O'Hare Intl

Tue 3/17

8:40 pm-3:50 pm

2 stops36h 10m

$654

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/25

6:30 am-3:10 pm

2 stops40h 40m

Chicago O'Hare Intl

Wed 3/11

12:50 pm-2:00 pm

2 stops18h 10m

$655

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/25

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sat 3/14

10:55 pm-11:15 pm

1 stop17h 20m

$658

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 2/1

6:25 pm-7:55 pm

2 stops33h 30m

Chicago O'Hare Intl

Tue 3/31

9:50 pm-1:50 am

1 stop20h 00m

$659

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

4:45 pm-1:50 pm

1 stop29h 05m

Chicago O'Hare Intl

Sun 2/8

5:10 pm-2:55 pm

1 stop13h 45m

$661

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 2/28

5:55 am-3:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Fri 3/13

5:20 pm-5:50 pm

1 stop17h 30m

$663

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/27

2:50 pm-8:05 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 3/13

5:20 pm-5:50 pm

1 stop17h 30m

$664

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 1/17

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Sat 1/31

1:26 pm-1:00 pm

2 stops15h 34m

$680

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 1/22

8:35 am-5:55 pm

2 stops17h 20m

Chicago Midway

Sat 2/21

1:28 pm-1:00 pm

2 stops15h 32m

$711

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Bucharest Otopeni Intl Airport to Chicago

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 typical price of a round-trip flight between Bucharest Otopeni Intl Airport and Chicago?

What is the cheapest month to fly to Chicago?

The month of March is, on average, the cheapest month to fly to Chicago from Bucharest Otopeni Intl Airport, with most prices found around $568. If you’re not able to fly to Chicago in March, then February is your next best option. Flight prices from Bucharest Otopeni Intl Airport to Chicago during February average around $589.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $660. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bucharest Otopeni Intl Airport to Chicago for around $723.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Bucharest Otopeni Intl Airport to Chicago during this time can be as low as $658. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $753.

What is the cheapest Bucharest Otopeni Intl to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $712 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Bucharest Otopeni Intl Airport for as low as $634 on momondo.

What cabin class options are available on Bucharest Otopeni Intl to Chicago flights?

There are 2 cabin classes available to choose from on Bucharest Otopeni Intl to Chicago 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 Otopeni Intl Airport to Chicago flights?

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

When to book flights from Bucharest Otopeni Intl Airport to Chicago

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

Cheap Bucharest Otopeni Intl Airport to Chicago (OTP to CHI) flight deals and tips

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

Fastest flight time

10h 50m

Direct flights

None
The fastest flight from Bucharest Otopeni Intl Airport to Chicago takes 10h 50m
There are no direct flights from Bucharest Otopeni Intl Airport to Chicago. There are no popular flight routes from Bucharest Otopeni Intl Airport to Chicago.
Search flight deals

  • How far is Bucharest Otopeni Intl to Chicago by plane?

    The straight-line distance from Bucharest Otopeni Intl to Chicago is 5194.0 mi. 13h 15m is a normal flight duration for this route.

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

    Prices for flights from Bucharest Otopeni Intl Airport to Chicago were last updated today.

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

  • How old do you have to be to fly from Bucharest Otopeni Intl Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest Otopeni Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Bucharest Otopeni Intl Airport to Chicago?

  • What is the most popular airline from Bucharest Otopeni Intl Airport to Chicago?

Best airlines flying from Bucharest Otopeni Intl Airport to Chicago

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $493Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,430 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
LOTPriceFrom $584Free CancellationRating
7.5
1,143 reviews
Search LOT flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,502 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,011 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bucharest to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Bucharest to Chicago flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bucharest to Chicago.

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

Yes. momondo can track prices for Bucharest to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport