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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $393

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 5/2. 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.
Lufthansa Logo
6:05 am - 8:05 pmOTP-ORD
22h 00m1 stop
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
$664Lufthansa
Find Deal
Wed, Dec 10 - Thu, Feb 12
LOT Logo
2:35 pm - 8:00 pmOTP-ORD
13h 25m1 stop
LOT Logo
9:55 pm - 5:40 pmORD-OTP
11h 45m1 stop
$665LOT
Find Deal
Fri, Jan 16 - Sat, Feb 21
Air Canada Logo
5:55 am - 8:00 amOTP-ORD
34h 05m2 stops
Air Canada Logo
7:00 am - 3:20 pmORD-OTP
24h 20m2 stops
$666Air Canada
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Fri, Nov 21 - Mon, Jun 1
United Airlines Logo
5:55 am - 3:20 pmOTP-ORD
17h 25m1 stop
United Airlines Logo
3:20 pm - 2:10 pmORD-OTP
14h 50m1 stop
$667United Airlines
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Tue, Dec 9 - Fri, Jan 9
British Airways Logo
3:50 pm - 1:50 pmOTP-ORD
30h 00m1 stop
British Airways Logo
9:45 pm - 3:10 pmORD-OTP
33h 25m1 stop
$693British Airways
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Wed, Dec 24 - Thu, Jan 8
American Airlines Logo
8:05 am - 11:27 pmOTP-ORD
23h 22m2 stops
American Airlines Logo
11:55 am - 2:00 pmORD-OTP
18h 05m2 stops
$708American Airlines
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Sat, Jan 31 - Sat, May 23
American Airlines Logo
8:05 am - 5:00 pmOTP-ORD
16h 55m1 stop
American Airlines Logo
9:45 pm - 7:35 pmORD-OTP
13h 50m1 stop
$717American Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
British Airways Logo
8:20 pm - 6:45 pmOTP-ORD
30h 25m1 stop
British Airways Logo
7:05 pm - 1:25 amORD-OTP
22h 20m1 stop
$722British Airways
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Fri, Nov 21 - Tue, Jun 2
Delta Logo
6:00 am - 9:27 pmOTP-ORD
23h 27m2 stops
Delta Logo
11:15 am - 12:05 pmORD-OTP
16h 50m2 stops
$739Delta
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Fri, Nov 21 - Sat, Nov 29
Lufthansa Logo
5:55 am - 11:10 amOTP-ORD
13h 15m1 stop
Lufthansa Logo
6:45 pm - 11:50 pmORD-OTP
21h 05m2 stops
$741Lufthansa
Find Deal
Mon, Nov 24 - Fri, Dec 12

Lufthansa flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Dec 10
OTP6:05 amBucharest Otopeni Intl
22h 00m
1 stop
ORD8:05 pmChicago O'Hare Intl
Feb 12
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
$664
Find similar
Lufthansa
Nov 24
OTP5:55 amBucharest Otopeni Intl
13h 15m
1 stop
ORD11:10 amChicago O'Hare Intl
Dec 12
ORD6:45 pmChicago O'Hare Intl
21h 05m
2 stops
OTP11:50 pmBucharest Otopeni Intl
$741
Find similar

LOT flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

Our best LOT deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
LOT
Jan 16
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
$665
Find similar
LOT
Nov 17
OTP5:35 amBucharest Otopeni Intl
22h 20m
2 stops
ORD7:55 pmChicago O'Hare Intl
Nov 18
ORD9:55 pmChicago O'Hare Intl
19h 50m
1 stop
OTP1:45 amBucharest Otopeni Intl
$966
Find similar
LOT
Nov 17
OTP8:20 amBucharest Otopeni Intl
19h 35m
2 stops
ORD7:55 pmChicago O'Hare Intl
Dec 2
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$1,058
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport 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 November 3, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport 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

Wed 12/10

6:05 am-8:05 pm

1 stop22h 00m

Chicago O'Hare Intl

Thu 2/12

9:50 pm-6:35 pm

1 stop12h 45m

$664

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 1/16

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

$665

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

5:55 am-8:00 am

2 stops34h 05m

Chicago O'Hare Intl

Mon 6/1

7:00 am-3:20 pm

2 stops24h 20m

$666

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 12/9

5:55 am-3:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Fri 1/9

3:20 pm-2:10 pm

1 stop14h 50m

$667

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 12/24

3:50 pm-1:50 pm

1 stop30h 00m

Chicago O'Hare Intl

Thu 1/8

9:45 pm-3:10 pm

1 stop33h 25m

$693

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/31

8:05 am-11:27 pm

2 stops23h 22m

Chicago O'Hare Intl

Sat 5/23

11:55 am-2:00 pm

2 stops18h 05m

$708

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

8:05 am-5:00 pm

1 stop16h 55m

Chicago O'Hare Intl

Sun 2/22

9:45 pm-7:35 pm

1 stop13h 50m

$717

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

8:20 pm-6:45 pm

1 stop30h 25m

Chicago O'Hare Intl

Tue 6/2

7:05 pm-1:25 am

1 stop22h 20m

$722

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

6:00 am-9:27 pm

2 stops23h 27m

Chicago O'Hare Intl

Sat 11/29

11:15 am-12:05 pm

2 stops16h 50m

$739

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 11/24

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Fri 12/12

6:45 pm-11:50 pm

2 stops21h 05m

$741

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

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

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bucharest Otopeni Intl Airport averaging around $636.

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 Otopeni Intl Airport 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 Otopeni Intl Airport 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 Otopeni Intl to Chicago O'Hare Intl flight route?

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Bucharest Otopeni Intl - 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 Otopeni Intl Airport 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 Otopeni Intl Airport for as low as $634 on momondo.

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

There is only 1 cabin class available to choose from on Bucharest Otopeni Intl 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 Otopeni Intl Airport to Chicago O'Hare Intl Airport flights?

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

How have Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight prices changed over time?

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

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport to Chicago O'Hare Intl Airport (OTP to ORD) flight deals and tips

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

Direct flights

None
There are no direct flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport. There are no popular flight routes from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport.
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  • How far is Bucharest Otopeni Intl to Chicago O'Hare Intl by plane?

    There are 5198.3 mi between Bucharest Otopeni Intl and Chicago O'Hare Intl. A reasonable flight in good conditions will take 13h 05m.

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

    Prices for flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport.

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

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $493Free CancellationRating
7.3
4,038 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,036 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,404 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,482 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,133 reviews
Search LOT flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,001 reviews
Search Delta flights

Traveling to a place near Chicago?

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bucharest to Chicago for you.

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

Yes. All flights to Chicago from Bucharest on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Bucharest to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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