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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $381

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 2/6. 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.
LOT Logo
6:25 pm - 8:00 pm
OTP
-
ORD
33h 35m
1 stop
LOT Logo
10:55 pm - 5:40 pm
ORD
-
OTP
11h 45m
1 stop
$514LOT
Mon, Mar 2 - Mon, Mar 16
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$572LOT
Sat, Apr 11 - Sat, Apr 18
Air Canada Logo
5:55 am - 11:18 am
OTP
-
ORD
36h 23m
2 stops
Air Canada Logo
8:40 am - 3:20 pm
ORD
-
OTP
22h 40m
2 stops
$580Air Canada
Fri, Mar 13 - Sun, Mar 29
Air Canada Logo
5:50 am - 2:55 pm
OTP
-
ORD
17h 05m
2 stops
Air Canada Logo
12:50 pm - 12:30 pm
ORD
-
OTP
15h 40m
2 stops
$582Air Canada
Thu, Feb 19 - Wed, Mar 4
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
2 stops
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$583LOT
Fri, Apr 10 - Mon, Apr 20
LOT Logo
5:35 am - 8:00 pm
OTP
-
ORD
22h 25m
1 stop
LOT Logo
10:55 pm - 11:15 pm
ORD
-
OTP
17h 20m
1 stop
$590LOT
Thu, Feb 26 - Sat, Mar 14
Multiple Airlines Logo
6:05 am - 8:10 pm
OTP
-
ORD
22h 05m
2 stops
Multiple Airlines Logo
2:00 pm - 12:30 pm
ORD
-
OTP
14h 30m
2 stops
$595Multiple Airlines
Wed, Feb 18 - Sat, Feb 28
Multiple Airlines Logo
2:05 pm - 7:55 pm
OTP
-
ORD
13h 50m
1 stop
Multiple Airlines Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
$598Multiple Airlines
Sun, Apr 12 - Mon, Apr 20
Lufthansa Logo
5:50 am - 1:25 pm
OTP
-
ORD
15h 35m
1 stop
Lufthansa Logo
10:35 pm - 11:50 pm
ORD
-
OTP
17h 15m
1 stop
$599Lufthansa
Thu, Feb 19 - Thu, Feb 26
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m
2 stops
KLM Logo
1:28 pm - 1:00 pm
MDW
-
OTP
15h 32m
2 stops
$770KLM
Sat, Feb 7 - Sun, Feb 22

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 2
OTP8:05 amBucharest Otopeni Intl
15h 20m
1 stop
ORD3:25 pmChicago O'Hare Intl
Mar 24
ORD9:35 pmChicago O'Hare Intl
18h 20m
1 stop
OTP10:55 pmBucharest Otopeni Intl
$651
British Airways
Apr 10
OTP8:15 amBucharest Otopeni Intl
15h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
Jul 9
ORD7:05 pmChicago O'Hare Intl
22h 15m
1 stop
OTP1:20 amBucharest Otopeni Intl
$652

United Airlines flights from Bucharest Otopeni Intl Airport to Chicago

Our best United Airlines deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
United Airlines
Apr 13
OTP6:05 amBucharest Otopeni Intl
21h 50m
1 stop
ORD7:55 pmChicago O'Hare Intl
Jul 13
ORD3:35 pmChicago O'Hare Intl
12h 25m
1 stop
OTP12:00 pmBucharest Otopeni Intl
$602
United Airlines
Mar 24
OTP5:55 amBucharest Otopeni Intl
13h 15m
1 stop
ORD12:10 pmChicago O'Hare Intl
May 5
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$603
United Airlines
Apr 10
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Jul 10
ORD4:25 pmChicago O'Hare Intl
18h 10m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$604

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 January 21, 2026.
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

Mon 3/2

6:25 pm-8:00 pm

1 stop33h 35m

Chicago O'Hare Intl

Mon 3/16

10:55 pm-5:40 pm

1 stop11h 45m

$514

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 4/11

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Sat 4/18

9:50 pm-5:45 pm

1 stop11h 55m

$572

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/13

5:55 am-11:18 am

2 stops36h 23m

Chicago O'Hare Intl

Sun 3/29

8:40 am-3:20 pm

2 stops22h 40m

$580

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-2:55 pm

2 stops17h 05m

Chicago O'Hare Intl

Wed 3/4

12:50 pm-12:30 pm

2 stops15h 40m

$582

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 4/10

5:35 am-7:50 pm

2 stops22h 15m

Chicago O'Hare Intl

Mon 4/20

9:50 pm-1:50 am

1 stop20h 00m

$583

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/26

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Sat 3/14

10:55 pm-11:15 pm

1 stop17h 20m

$590

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

6:05 am-8:10 pm

2 stops22h 05m

Chicago O'Hare Intl

Sat 2/28

2:00 pm-12:30 pm

2 stops14h 30m

$595

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 4/12

2:05 pm-7:55 pm

1 stop13h 50m

Chicago O'Hare Intl

Mon 4/20

7:05 pm-3:20 pm

1 stop12h 15m

$598

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-1:25 pm

1 stop15h 35m

Chicago O'Hare Intl

Thu 2/26

10:35 pm-11:50 pm

1 stop17h 15m

$599

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 2/7

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Sun 2/22

1:28 pm-1:00 pm

2 stops15h 32m

$770

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 cheapest month to fly to Chicago?

The month of April is, on average, the cheapest month to fly to Chicago from Bucharest Otopeni Intl Airport, with most prices found around $617. If you’re not able to fly to Chicago in April, then March is your next best option. Flight prices from Bucharest Otopeni Intl Airport to Chicago during March average around $626.

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 $469. 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 $469.

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 $724 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 $642 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

Best Price Found

$462

Fastest flight time

10h 50m

Direct flights

Fri

Airports in Chicago

3 airports
The best flight deal from Bucharest Otopeni Intl Airport to Chicago found on momondo in the last 72 hours is $462
The fastest flight from Bucharest Otopeni Intl Airport to Chicago takes 10h 50m
Direct flights go from Bucharest Otopeni Intl Airport to Chicago on Friday. There are no airlines offering direct flights.
There are 3 airports in Chicago. From Bucharest Otopeni Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
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. 10h 50m 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 $336Free CancellationRating
7.3
4,200 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,174 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,738 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,442 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,191 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
LOTPriceFrom $584Free CancellationRating
7.5
1,174 reviews
Search LOT flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,523 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,089 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
Munster
Crown Point
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