Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $379

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 10/20. 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.
LOT Logo
6:30 pm - 7:50 pm
OTP
-
ORD
33h 20m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$764LOT
Tue, Sep 8 - Tue, Sep 15
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
LOT Logo
10:50 pm - 1:45 am
ORD
-
OTP
19h 55m
1 stop
$764LOT
Thu, Oct 15 - Thu, Oct 29
Multiple Airlines Logo
6:50 pm - 6:15 pm
OTP
-
ORD
31h 25m
2 stops
Multiple Airlines Logo
7:25 pm - 12:40 am
ORD
-
OTP
21h 15m
2 stops
$764Multiple Airlines
Thu, Sep 17 - Thu, Sep 24
Multiple Airlines Logo
6:00 am - 12:05 pm
OTP
-
ORD
13h 05m
1 stop
Multiple Airlines Logo
6:50 pm - 3:50 pm
ORD
-
OTP
13h 00m
1 stop
$765Multiple Airlines
Sat, Oct 31 - Tue, Nov 10
Lufthansa Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
Lufthansa Logo
9:50 pm - 6:30 pm
ORD
-
OTP
12h 40m
1 stop
$769Lufthansa
Wed, Sep 30 - Sun, Nov 1
Lufthansa Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
Lufthansa Logo
10:50 pm - 1:00 am
ORD
-
OTP
19h 10m
1 stop
$769Lufthansa
Wed, Sep 30 - Sat, Oct 31
British Airways Logo
8:25 am - 3:30 pm
OTP
-
ORD
15h 05m
1 stop
British Airways Logo
1:31 pm - 3:10 pm
ORD
-
OTP
17h 39m
2 stops
$827British Airways
Wed, Nov 18 - Fri, Dec 11
British Airways Logo
8:00 am - 10:28 pm
OTP
-
ORD
22h 28m
2 stops
British Airways Logo
5:10 pm - 11:25 pm
ORD
-
OTP
22h 15m
1 stop
$832British Airways
Fri, Nov 20 - Fri, Dec 11
KLM Logo
7:05 am - 2:15 pm
OTP
-
ORD
15h 10m
1 stop
KLM Logo
4:25 pm - 3:25 pm
ORD
-
OTP
15h 00m
1 stop
$841KLM
Tue, Sep 29 - Sat, Mar 13
KLM Logo
7:05 am - 2:15 pm
OTP
-
ORD
15h 10m
1 stop
KLM Logo
4:15 pm - 1:00 pm
ORD
-
OTP
12h 45m
1 stop
$842KLM
Sun, Sep 6 - Fri, Sep 18

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Sep 8
OTP6:30 pmBucharest Otopeni Intl
33h 20m
1 stop
ORD7:50 pmChicago O'Hare Intl
Sep 15
ORD9:50 pmChicago O'Hare Intl
17h 25m
1 stop
OTP11:15 pmBucharest Otopeni Intl
$764
LOT
Sep 29
OTP5:35 amBucharest Otopeni Intl
22h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Oct 20
ORD9:50 pmChicago O'Hare Intl
17h 25m
1 stop
OTP11:15 pmBucharest Otopeni Intl
$765
LOT
Sep 6
OTP2:35 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Nov 9
ORD9:50 pmChicago O'Hare Intl
19h 55m
1 stop
OTP1:45 amBucharest Otopeni Intl
$766

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
Sep 17
OTP6:05 amBucharest Otopeni Intl
18h 24m
2 stops
ORD4:29 pmChicago O'Hare Intl
Sep 30
ORD4:05 pmChicago O'Hare Intl
12h 45m
1 stop
OTP12:50 pmBucharest Otopeni Intl
$768
United Airlines
Sep 17
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
Sep 27
ORD9:09 amChicago O'Hare Intl
19h 56m
2 stops
OTP1:05 pmBucharest Otopeni Intl
$770
United Airlines
Sep 30
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
Oct 28
ORD5:20 pmChicago O'Hare Intl
12h 10m
1 stop
OTP12:30 pmBucharest Otopeni Intl
$773

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 August 3, 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

Tue 9/8

6:30 pm-7:50 pm

1 stop33h 20m

Chicago O'Hare Intl

Tue 9/15

9:50 pm-11:15 pm

1 stop17h 25m

$764

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Thu 10/29

10:50 pm-1:45 am

1 stop19h 55m

$764

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/17

6:50 pm-6:15 pm

2 stops31h 25m

Chicago O'Hare Intl

Thu 9/24

7:25 pm-12:40 am

2 stops21h 15m

$764
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 10/31

6:00 am-12:05 pm

1 stop13h 05m

Chicago O'Hare Intl

Tue 11/10

6:50 pm-3:50 pm

1 stop13h 00m

$765

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/30

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sun 11/1

9:50 pm-6:30 pm

1 stop12h 40m

$769

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/30

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 10/31

10:50 pm-1:00 am

1 stop19h 10m

$769

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/18

8:25 am-3:30 pm

1 stop15h 05m

Chicago O'Hare Intl

Fri 12/11

1:31 pm-3:10 pm

2 stops17h 39m

$827

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/20

8:00 am-10:28 pm

2 stops22h 28m

Chicago O'Hare Intl

Fri 12/11

5:10 pm-11:25 pm

1 stop22h 15m

$832

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/29

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 3/13

4:25 pm-3:25 pm

1 stop15h 00m

$841

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 9/6

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Fri 9/18

4:15 pm-1:00 pm

1 stop12h 45m

$842

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

18h 20m

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 18h 20m
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 18h 20m.

  • 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
8,174 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,461 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $654Free CancellationRating
7.5
1,633 reviews
Search Air France flights
KLMPriceFrom $657Free CancellationRating
7.8
1,552 reviews
Search KLM flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
8,145 reviews
Search British Airways flights
LOTPriceFrom $662Free CancellationRating
7.6
1,212 reviews
Search LOT flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Merrillville
Rockford
Gurnee
Rosemont
Orland Park
Oak Brook
Naperville
Joliet
New Buffalo
Kenosha
Hammond
Aurora
Racine
Janesville
Elgin
Evanston
South Holland

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.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 9/2
Wed 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago