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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $352

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 10/15. 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

LOT Logo
5:35 am - 8:00 pmOTP-ORD
22h 25m1 stop
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
$566LOT
Find Deal
Wed, Dec 3 - Wed, Dec 10
LOT Logo
8:20 am - 8:00 pmOTP-ORD
19h 40m1 stop
LOT Logo
9:55 pm - 1:45 amORD-OTP
19h 50m2 stops
$616LOT
Find Deal
Wed, Feb 18 - Sun, Feb 22
Turkish Airlines Logo
9:50 pm - 6:25 pmOTP-ORD
28h 35m1 stop
Turkish Airlines Logo
11:50 am - 8:50 amORD-OTP
13h 00m1 stop
$619Turkish Airlines
Find Deal
Fri, Nov 21 - Sat, Nov 29
Turkish Airlines Logo
10:10 am - 10:05 amOTP-ORD
31h 55m1 stop
Turkish Airlines Logo
11:50 am - 8:50 amORD-OTP
13h 00m1 stop
$627Turkish Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 15
American Airlines Logo
8:05 am - 5:00 pmOTP-ORD
16h 55m1 stop
American Airlines Logo
9:45 pm - 11:45 pmORD-OTP
18h 00m1 stop
$636American Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
8:25 am - 11:50 amOTP-ORD
35h 25m1 stop
American Airlines Logo
9:45 pm - 2:45 pmORD-OTP
34h 00m1 stop
$637American Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 27
British Airways Logo
4:40 pm - 1:50 pmOTP-ORD
29h 10m1 stop
British Airways Logo
5:10 pm - 11:30 pmORD-OTP
22h 20m1 stop
$638British Airways
Find Deal
Tue, Dec 23 - Wed, Jan 21
British Airways Logo
8:25 am - 5:00 pmOTP-ORD
16h 35m1 stop
British Airways Logo
1:43 pm - 3:25 pmORD-OTP
17h 42m2 stops
$639British Airways
Find Deal
Tue, Oct 14 - Tue, Oct 21
KLM Logo
6:05 pm - 2:40 pmOTP-ORD
28h 35m1 stop
KLM Logo
4:40 pm - 3:25 pmORD-OTP
14h 45m1 stop
$654KLM
Find Deal
Sun, Sep 21 - Wed, Oct 15
KLM Logo
8:35 am - 2:10 pmOTP-ORD
13h 35m1 stop
KLM Logo
4:15 pm - 3:25 pmORD-OTP
15h 10m1 stop
$656KLM
Find Deal
Fri, Sep 26 - Fri, Oct 10

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

Our best Delta deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 17
OTP7:00 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 25
ORD11:23 amChicago O'Hare Intl
17h 42m
2 stops
OTP1:05 pmBucharest Otopeni Intl
$649
Find similar
Delta
Sep 19
OTP7:00 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:10 pmChicago O'Hare Intl
Nov 14
ORD10:30 amChicago O'Hare Intl
19h 20m
2 stops
OTP1:50 pmBucharest Otopeni Intl
$651
Find similar
Delta
Sep 22
OTP6:30 amBucharest Otopeni Intl
16h 30m
1 stop
ORD3:00 pmChicago O'Hare Intl
Oct 4
ORD10:40 amChicago O'Hare Intl
18h 00m
2 stops
OTP12:40 pmBucharest Otopeni Intl
$655
Find similar

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

Our best KLM deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
KLM
Sep 21
OTP6:05 pmBucharest Otopeni Intl
28h 35m
1 stop
ORD2:40 pmChicago O'Hare Intl
Oct 15
ORD4:40 pmChicago O'Hare Intl
14h 45m
1 stop
OTP3:25 pmBucharest Otopeni Intl
$654
Find similar
KLM
Sep 26
OTP8:35 amBucharest Otopeni Intl
13h 35m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 10
ORD4:15 pmChicago O'Hare Intl
15h 10m
1 stop
OTP3:25 pmBucharest Otopeni Intl
$656
Find similar
KLM
Sep 18
OTP8:35 amBucharest Otopeni Intl
13h 35m
1 stop
ORD2:10 pmChicago O'Hare Intl
Oct 3
ORD4:15 pmChicago O'Hare Intl
15h 10m
1 stop
OTP3:25 pmBucharest Otopeni Intl
$691
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 September 11, 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 12/3

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 12/10

9:55 pm-1:50 pm

1 stop31h 55m

$566

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sun 2/22

9:55 pm-1:45 am

2 stops19h 50m

$616

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

9:50 pm-6:25 pm

1 stop28h 35m

Chicago O'Hare Intl

Sat 11/29

11:50 am-8:50 am

1 stop13h 00m

$619

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/2

10:10 am-10:05 am

1 stop31h 55m

Chicago O'Hare Intl

Sat 11/15

11:50 am-8:50 am

1 stop13h 00m

$627

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-11:45 pm

1 stop18h 00m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 10/13

8:25 am-11:50 am

1 stop35h 25m

Chicago O'Hare Intl

Mon 10/27

9:45 pm-2:45 pm

1 stop34h 00m

$637

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 12/23

4:40 pm-1:50 pm

1 stop29h 10m

Chicago O'Hare Intl

Wed 1/21

5:10 pm-11:30 pm

1 stop22h 20m

$638

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 10/14

8:25 am-5:00 pm

1 stop16h 35m

Chicago O'Hare Intl

Tue 10/21

1:43 pm-3:25 pm

2 stops17h 42m

$639

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 9/21

6:05 pm-2:40 pm

1 stop28h 35m

Chicago O'Hare Intl

Wed 10/15

4:40 pm-3:25 pm

1 stop14h 45m

$654

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/26

8:35 am-2:10 pm

1 stop13h 35m

Chicago O'Hare Intl

Fri 10/10

4:15 pm-3:25 pm

1 stop15h 10m

$656

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 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 February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bucharest Otopeni Intl Airport averaging around $634.

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.

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 $686 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 $596 on momondo.

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 35m.

  • 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 $336Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $570Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom $581Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,469 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,114 reviews
Search LOT flights
LufthansaPriceFrom $592Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom $594Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,960 reviews
Search Delta flights

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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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