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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $375

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 6/4. 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.
Air Canada Logo
5:50 am - 9:13 am
OTP
-
ORD
35h 23m
2 stops
Air Canada Logo
10:00 am - 2:00 pm
ORD
-
OTP
20h 00m
2 stops
$608Air Canada
Thu, Feb 12 - Wed, Feb 25
Multiple Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m
1 stop
Multiple Airlines Logo
7:05 pm - 1:05 am
ORD
-
OTP
22h 00m
1 stop
$609Multiple Airlines
Sun, Apr 5 - Sat, Apr 11
Multiple Airlines Logo
5:55 am - 2:25 pm
OTP
-
ORD
15h 30m
1 stop
Multiple Airlines Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
$611Multiple Airlines
Fri, Mar 13 - Sun, Mar 29
United Airlines Logo
5:55 am - 4:20 pm
OTP
-
ORD
17h 25m
1 stop
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
$613United Airlines
Tue, Mar 24 - Tue, May 5
United Airlines Logo
5:55 am - 4:20 pm
OTP
-
ORD
17h 25m
1 stop
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
$614United Airlines
Tue, Mar 24 - Tue, Apr 28
United Airlines Logo
5:50 am - 1:25 pm
OTP
-
ORD
15h 35m
1 stop
United Airlines Logo
3:51 pm - 6:35 pm
ORD
-
OTP
18h 44m
2 stops
$615United Airlines
Thu, Feb 12 - Mon, Mar 2
United Airlines Logo
5:50 am - 3:20 pm
OTP
-
ORD
17h 30m
1 stop
United Airlines Logo
12:00 pm - 1:55 pm
ORD
-
OTP
17h 55m
2 stops
$616United Airlines
Thu, Feb 12 - Tue, Mar 3
Multiple Airlines Logo
5:55 am - 11:10 am
OTP
-
ORD
13h 15m
1 stop
Multiple Airlines Logo
7:50 pm - 12:30 am
ORD
-
OTP
21h 40m
1 stop
$617Multiple Airlines
Sat, Mar 7 - Mon, Mar 23
United Airlines Logo
5:50 am - 3:20 pm
OTP
-
ORD
17h 30m
1 stop
United Airlines Logo
4:20 pm - 12:30 pm
ORD
-
OTP
12h 10m
1 stop
$618United Airlines
Thu, Feb 12 - Fri, Mar 6
SWISS Logo
4:35 pm - 4:20 pm
OTP
-
ORD
31h 45m
1 stop
SWISS Logo
4:10 pm - 12:30 am
ORD
-
OTP
24h 20m
1 stop
$619SWISS
Wed, Feb 11 - Mon, Mar 2

Air Canada flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

Our best Air Canada deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
Air Canada
Feb 12
OTP5:50 amBucharest Otopeni Intl
35h 23m
2 stops
ORD9:13 amChicago O'Hare Intl
Feb 25
ORD10:00 amChicago O'Hare Intl
20h 00m
2 stops
OTP2:00 pmBucharest Otopeni Intl
$608
Air Canada
Feb 12
OTP5:50 amBucharest Otopeni Intl
41h 20m
2 stops
ORD3:10 pmChicago O'Hare Intl
Mar 1
ORD8:40 pmChicago O'Hare Intl
35h 10m
2 stops
OTP3:50 pmBucharest Otopeni Intl
$626
Air Canada
Feb 9
OTP5:55 amBucharest Otopeni Intl
35h 18m
2 stops
ORD9:13 amChicago O'Hare Intl
Mar 1
ORD9:15 pmChicago O'Hare Intl
34h 35m
2 stops
OTP3:50 pmBucharest Otopeni Intl
$703

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

Our best United Airlines deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
United Airlines
Mar 24
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD4:20 pmChicago O'Hare Intl
May 5
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$613
United Airlines
Mar 24
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD4:20 pmChicago O'Hare Intl
Apr 28
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$614
United Airlines
Feb 12
OTP5:50 amBucharest Otopeni Intl
15h 35m
1 stop
ORD1:25 pmChicago O'Hare Intl
Mar 2
ORD3:51 pmChicago O'Hare Intl
18h 44m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$615

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 January 29, 2026.
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

Thu 2/12

5:50 am-9:13 am

2 stops35h 23m

Chicago O'Hare Intl

Wed 2/25

10:00 am-2:00 pm

2 stops20h 00m

$608

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 4/5

6:05 am-11:00 am

1 stop12h 55m

Chicago O'Hare Intl

Sat 4/11

7:05 pm-1:05 am

1 stop22h 00m

$609

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/13

5:55 am-2:25 pm

1 stop15h 30m

Chicago O'Hare Intl

Sun 3/29

7:05 pm-3:20 pm

1 stop12h 15m

$611

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-4:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Tue 5/5

9:40 pm-1:10 am

1 stop19h 30m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-4:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Tue 4/28

9:40 pm-1:10 am

1 stop19h 30m

$614

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/12

5:50 am-1:25 pm

1 stop15h 35m

Chicago O'Hare Intl

Mon 3/2

3:51 pm-6:35 pm

2 stops18h 44m

$615

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/12

5:50 am-3:20 pm

1 stop17h 30m

Chicago O'Hare Intl

Tue 3/3

12:00 pm-1:55 pm

2 stops17h 55m

$616

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 3/7

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Mon 3/23

7:50 pm-12:30 am

1 stop21h 40m

$617

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/12

5:50 am-3:20 pm

1 stop17h 30m

Chicago O'Hare Intl

Fri 3/6

4:20 pm-12:30 pm

1 stop12h 10m

$618

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/11

4:35 pm-4:20 pm

1 stop31h 45m

Chicago O'Hare Intl

Mon 3/2

4:10 pm-12:30 am

1 stop24h 20m

$619

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 $653.

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 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. On the other hand, Thursday 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 $469.

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 $720 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 $642 on momondo.

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

There are 2 cabin classes 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

Best Price Found

$462

Fastest flight time

10h 50m

Direct flights

Mon and Fri
The best flight deal from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $462
The fastest flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport takes 10h 50m
Direct flights go from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport on Monday and Friday. There are no airlines offering direct flights.
Search flight deals

  • 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 10h 50m.

  • 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 plane model from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport?

  • 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 $336Free CancellationRating
7.3
4,208 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,756 reviews
Search Lufthansa flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
LOTPriceFrom $584Free CancellationRating
7.5
1,174 reviews
Search LOT flights
KLMPriceFrom $606Free CancellationRating
7.7
1,443 reviews
Search KLM flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,528 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,127 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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