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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $378

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 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bucharest Otopeni Intl Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:35 am - 6:15 pm
OTP
-
ORD
20h 40m
3 stops
Multiple Airlines Logo
7:25 pm - 12:35 am
ORD
-
OTP
21h 10m
2 stops
$770Multiple Airlines
Fri, Sep 11 - Sun, Sep 27
LOT Logo
5:35 am - 3:10 pm
OTP
-
ORD
41h 35m
2 stops
LOT Logo
9:50 pm - 5:40 pm
ORD
-
OTP
11h 50m
1 stop
$772LOT
Tue, Sep 8 - Mon, Nov 9
Austrian Airlines Logo
6:55 am - 2:00 pm
OTP
-
ORD
15h 05m
1 stop
Austrian Airlines Logo
1:12 pm - 11:50 pm
ORD
-
OTP
26h 38m
2 stops
$773Austrian Airlines
Wed, Nov 25 - Tue, Dec 1
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
9:50 pm - 1:50 pm
ORD
-
OTP
32h 00m
1 stop
$774LOT
Thu, Sep 10 - Thu, Nov 12
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
Lufthansa Logo
6:05 pm - 11:55 pm
ORD
-
OTP
21h 50m
1 stop
$814Lufthansa
Wed, Sep 9 - Thu, Dec 24
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
Lufthansa Logo
10:35 pm - 11:55 pm
ORD
-
OTP
17h 20m
1 stop
$819Lufthansa
Wed, Sep 9 - Wed, Dec 23
KLM Logo
8:35 am - 2:15 pm
OTP
-
ORD
13h 40m
1 stop
KLM Logo
5:24 pm - 3:25 pm
ORD
-
OTP
14h 01m
2 stops
$828KLM
Tue, Sep 8 - Sun, Nov 8
British Airways Logo
7:35 am - 1:45 pm
OTP
-
ORD
14h 10m
1 stop
British Airways Logo
9:50 pm - 11:45 pm
ORD
-
OTP
17h 55m
1 stop
$828British Airways
Sun, Nov 22 - Sat, Dec 12
British Airways Logo
8:05 am - 6:45 pm
OTP
-
ORD
18h 40m
1 stop
British Airways Logo
5:10 pm - 11:45 pm
ORD
-
OTP
22h 35m
1 stop
$828British Airways
Sat, Nov 21 - Sat, Dec 12
KLM Logo
8:35 am - 5:41 pm
OTP
-
ORD
17h 06m
2 stops
KLM Logo
5:24 pm - 3:25 pm
ORD
-
OTP
14h 01m
2 stops
$836KLM
Sun, Sep 6 - Sun, Nov 8

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

Our best Austrian Airlines deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
Austrian Airlines
Sep 5
OTP1:15 pmBucharest Otopeni Intl
35h 44m
2 stops
ORD4:59 pmChicago O'Hare Intl
Nov 9
ORD3:45 pmChicago O'Hare Intl
18h 40m
2 stops
OTP6:25 pmBucharest Otopeni Intl
$786
Austrian Airlines
Sep 7
OTP6:55 pmBucharest Otopeni Intl
26h 25m
1 stop
ORD1:20 pmChicago O'Hare Intl
Oct 13
ORD12:55 pmChicago O'Hare Intl
18h 15m
2 stops
OTP3:10 pmBucharest Otopeni Intl
$806
Austrian Airlines
Sep 7
OTP6:55 pmBucharest Otopeni Intl
31h 42m
2 stops
ORD6:37 pmChicago O'Hare Intl
Oct 14
ORD12:55 pmChicago O'Hare Intl
15h 30m
2 stops
OTP12:25 pmBucharest Otopeni Intl
$828

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
Sep 5
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
Nov 8
ORD1:55 pmChicago O'Hare Intl
16h 15m
2 stops
OTP2:10 pmBucharest Otopeni Intl
$816
Delta
Sep 7
OTP7:05 amBucharest Otopeni Intl
17h 12m
2 stops
ORD4:17 pmChicago O'Hare Intl
Nov 8
ORD10:24 amChicago O'Hare Intl
19h 46m
2 stops
OTP2:10 pmBucharest Otopeni Intl
$821
Delta
Sep 8
OTP7:05 amBucharest Otopeni Intl
22h 28m
2 stops
ORD9:33 pmChicago O'Hare Intl
Nov 9
ORD2:44 pmChicago O'Hare Intl
15h 26m
2 stops
OTP2:10 pmBucharest Otopeni Intl
$822

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 July 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

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/11

5:35 am-6:15 pm

3 stops20h 40m

Chicago O'Hare Intl

Sun 9/27

7:25 pm-12:35 am

2 stops21h 10m

$770

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/8

5:35 am-3:10 pm

2 stops41h 35m

Chicago O'Hare Intl

Mon 11/9

9:50 pm-5:40 pm

1 stop11h 50m

$772

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/25

6:55 am-2:00 pm

1 stop15h 05m

Chicago O'Hare Intl

Tue 12/1

1:12 pm-11:50 pm

2 stops26h 38m

$773

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/10

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 11/12

9:50 pm-1:50 pm

1 stop32h 00m

$774

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/9

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Thu 12/24

6:05 pm-11:55 pm

1 stop21h 50m

$814

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/9

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Wed 12/23

10:35 pm-11:55 pm

1 stop17h 20m

$819
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/8

8:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Sun 11/8

5:24 pm-3:25 pm

2 stops14h 01m

$828

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/22

7:35 am-1:45 pm

1 stop14h 10m

Chicago O'Hare Intl

Sat 12/12

9:50 pm-11:45 pm

1 stop17h 55m

$828

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 11/21

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Sat 12/12

5:10 pm-11:45 pm

1 stop22h 35m

$828

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 9/6

8:35 am-5:41 pm

2 stops17h 06m

Chicago O'Hare Intl

Sun 11/8

5:24 pm-3:25 pm

2 stops14h 01m

$836

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?

Prices are currently low for flights on this route.

Typical prices usually range from $843 to $1,148.
The lowest price recently found on this route was $763.

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 $702.

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 $770.

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 from Bucharest Otopeni Intl Airport 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 $814 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 $589 on momondo.

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

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

$868

Fastest flight time

13h 05m

Direct flights

None
The best flight deal from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $868
The fastest flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport takes 13h 05m
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.
Search flight deals

Frequently asked questions about flying from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

  • 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 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
HiSkyPriceFrom $426Free CancellationRating
0.0
Search HiSky flights
LufthansaPriceFrom $603Free CancellationRating
6.8
8,163 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,455 reviews
Search Turkish Airlines flights
LOTPriceFrom $620Free CancellationRating
7.6
1,212 reviews
Search LOT flights
Air FrancePriceFrom $654Free CancellationRating
7.5
1,629 reviews
Search Air France flights
KLMPriceFrom $657Free CancellationRating
7.8
1,550 reviews
Search KLM flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
8,131 reviews
Search British Airways 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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