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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $418

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 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
British Airways Logo
8:15 am - 6:15 pm
OTP
-
ORD
18h 00m
1 stop
British Airways Logo
5:00 pm - 2:35 pm
ORD
-
OTP
13h 35m
1 stop
$779British Airways
Thu, Jul 2 - Wed, Jul 29
Lufthansa Logo
1:50 pm - 12:55 pm
OTP
-
ORD
31h 05m
1 stop
Lufthansa Logo
10:30 pm - 11:20 pm
ORD
-
OTP
16h 50m
1 stop
$780Lufthansa
Mon, Aug 17 - Thu, Sep 10
Austrian Airlines Logo
1:15 pm - 5:20 pm
OTP
-
ORD
36h 05m
2 stops
Austrian Airlines Logo
12:55 pm - 3:10 pm
ORD
-
OTP
18h 15m
2 stops
$785Austrian Airlines
Tue, Sep 29 - Wed, Oct 21
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$786LOT
Sun, Sep 27 - Thu, Oct 22
Lufthansa Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
Lufthansa Logo
3:35 pm - 12:00 pm
ORD
-
OTP
12h 25m
1 stop
$791Lufthansa
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
8:15 am - 5:35 pm
OTP
-
ORD
17h 20m
1 stop
American Airlines Logo
10:30 pm - 1:20 am
ORD
-
OTP
18h 50m
1 stop
$795American Airlines
Mon, Jul 13 - Mon, Jul 27
Delta Logo
6:00 am - 4:37 pm
OTP
-
ORD
18h 37m
2 stops
Delta Logo
1:35 pm - 2:10 pm
ORD
-
OTP
16h 35m
2 stops
$799Delta
Sun, Dec 13 - Wed, Jan 13
Air Canada Logo
6:55 am - 2:55 pm
OTP
-
ORD
40h 00m
2 stops
Air Canada Logo
3:55 pm - 3:50 pm
ORD
-
OTP
39h 55m
2 stops
$804Air Canada
Mon, Dec 14 - Mon, Jan 11
American Airlines Logo
8:15 am - 10:00 pm
OTP
-
ORD
21h 45m
2 stops
American Airlines Logo
10:30 pm - 1:20 am
ORD
-
OTP
18h 50m
1 stop
$805American Airlines
Mon, Jul 13 - Mon, Jul 27
Air Canada Logo
6:30 am - 12:56 pm
OTP
-
ORD
38h 26m
2 stops
Air Canada Logo
10:40 am - 3:50 pm
ORD
-
OTP
21h 10m
2 stops
$806Air Canada
Sat, Dec 12 - Tue, Jan 12

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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
Aug 18
OTP6:30 pmBucharest Otopeni Intl
28h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
Sep 9
ORD4:50 pmChicago O'Hare Intl
14h 35m
1 stop
OTP3:25 pmBucharest Otopeni Intl
$809
KLM
Aug 20
OTP8:35 amBucharest Otopeni Intl
13h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 11
ORD4:20 pmChicago O'Hare Intl
12h 40m
1 stop
OTP1:00 pmBucharest Otopeni Intl
$810
KLM
Aug 20
OTP8:35 amBucharest Otopeni Intl
13h 40m
1 stop
ORD2:15 pmChicago O'Hare Intl
Sep 11
ORD4:20 pmChicago O'Hare Intl
17h 20m
1 stop
OTP5:40 pmBucharest Otopeni Intl
$811

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
Dec 13
OTP6:00 amBucharest Otopeni Intl
18h 37m
2 stops
ORD4:37 pmChicago O'Hare Intl
Jan 13
ORD1:35 pmChicago O'Hare Intl
16h 35m
2 stops
OTP2:10 pmBucharest Otopeni Intl
$799
Delta
Aug 20
OTP2:00 pmBucharest Otopeni Intl
17h 57m
2 stops
ORD11:57 pmChicago O'Hare Intl
Sep 11
ORD10:25 amChicago O'Hare Intl
18h 00m
2 stops
OTP12:25 pmBucharest Otopeni Intl
$813
Delta
Aug 18
OTP7:05 amBucharest Otopeni Intl
21h 50m
2 stops
ORD8:55 pmChicago O'Hare Intl
Sep 9
ORD4:50 pmChicago O'Hare Intl
12h 10m
1 stop
OTP1:00 pmBucharest Otopeni Intl
$814

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 June 17, 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

Thu 7/2

8:15 am-6:15 pm

1 stop18h 00m

Chicago O'Hare Intl

Wed 7/29

5:00 pm-2:35 pm

1 stop13h 35m

$779

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 8/17

1:50 pm-12:55 pm

1 stop31h 05m

Chicago O'Hare Intl

Thu 9/10

10:30 pm-11:20 pm

1 stop16h 50m

$780

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/29

1:15 pm-5:20 pm

2 stops36h 05m

Chicago O'Hare Intl

Wed 10/21

12:55 pm-3:10 pm

2 stops18h 15m

$785

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 9/27

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 10/22

9:50 pm-1:50 am

1 stop20h 00m

$786
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 8/29

3:35 pm-12:00 pm

1 stop12h 25m

$791

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 7/13

8:15 am-5:35 pm

1 stop17h 20m

Chicago O'Hare Intl

Mon 7/27

10:30 pm-1:20 am

1 stop18h 50m

$795

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 12/13

6:00 am-4:37 pm

2 stops18h 37m

Chicago O'Hare Intl

Wed 1/13

1:35 pm-2:10 pm

2 stops16h 35m

$799

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 12/14

6:55 am-2:55 pm

2 stops40h 00m

Chicago O'Hare Intl

Mon 1/11

3:55 pm-3:50 pm

2 stops39h 55m

$804

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 7/13

8:15 am-10:00 pm

2 stops21h 45m

Chicago O'Hare Intl

Mon 7/27

10:30 pm-1:20 am

1 stop18h 50m

$805

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 12/12

6:30 am-12:56 pm

2 stops38h 26m

Chicago O'Hare Intl

Tue 1/12

10:40 am-3:50 pm

2 stops21h 10m

$806

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 $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 $784 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 $611 on momondo.

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

There are 2 cabin classes 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

$447

Fastest flight time

12h 55m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Bucharest Otopeni Intl Airport in the past 72 hours is $447. The best round-trip 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 12h 55m
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 12h 55m.

  • 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
8,066 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
LOTPriceFrom $620Free CancellationRating
7.5
1,200 reviews
Search LOT flights
Air FrancePriceFrom $654Free CancellationRating
7.4
1,606 reviews
Search Air France flights
KLMPriceFrom $657Free CancellationRating
7.8
1,530 reviews
Search KLM flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
8,054 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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