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Cheap flights from Bucharest 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 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 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
Delta Logo
7:05 am - 2:30 pm
OTP
-
ORD
15h 25m
1 stop
Delta Logo
10:30 am - 12:45 pm
ORD
-
OTP
18h 15m
2 stops
$783Delta
Wed, Sep 2 - Sun, Sep 6
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
$785Lufthansa
Tue, Aug 18 - Thu, Sep 10
LOT Logo
2:35 pm - 3:10 pm
OTP
-
ORD
32h 35m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$786LOT
Sat, Sep 19 - Fri, Oct 2
Delta Logo
7:05 am - 2:30 pm
OTP
-
ORD
15h 25m
1 stop
Delta Logo
4:20 pm - 1:00 pm
ORD
-
OTP
12h 40m
1 stop
$788Delta
Wed, Sep 2 - Sun, Sep 6
Delta Logo
7:05 am - 4:17 pm
OTP
-
ORD
17h 12m
2 stops
Delta Logo
5:20 pm - 5:20 pm
ORD
-
OTP
16h 00m
2 stops
$793Delta
Wed, Sep 2 - Mon, Sep 7
LOT Logo
6:30 pm - 3:10 pm
OTP
-
ORD
28h 40m
1 stop
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$795LOT
Wed, Jul 15 - Wed, Aug 19
Lufthansa Logo
1:50 pm - 12:55 pm
OTP
-
ORD
31h 05m
1 stop
Lufthansa Logo
4:05 pm - 12:50 pm
ORD
-
OTP
12h 45m
1 stop
$796Lufthansa
Tue, Aug 18 - Wed, Sep 9
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
5:10 pm - 5:45 pm
ORD
-
OTP
16h 35m
2 stops
$803LOT
Tue, Sep 15 - Thu, Oct 1

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KLM flights from Bucharest to Chicago O'Hare Intl Airport

Our best KLM deals on Bucharest 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
17h 20m
1 stop
OTP5:40 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

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

Our best United Airlines deals on Bucharest to Chicago O'Hare Intl Airport flight tickets
United Airlines
Jul 9
OTP1:45 pmBucharest Otopeni Intl
26h 13m
2 stops
ORD7:58 amChicago O'Hare Intl
Jul 23
ORD3:53 pmChicago O'Hare Intl
18h 42m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$826
United Airlines
Aug 20
OTP1:45 pmBucharest Otopeni Intl
31h 10m
1 stop
ORD12:55 pmChicago O'Hare Intl
Sep 11
ORD4:05 pmChicago O'Hare Intl
13h 05m
1 stop
OTP1:10 pmBucharest Otopeni Intl
$841
United Airlines
Jul 2
OTP6:05 amBucharest Otopeni Intl
12h 55m
1 stop
ORD11:00 amChicago O'Hare Intl
Sep 10
ORD10:30 pmChicago O'Hare Intl
16h 50m
1 stop
OTP11:20 pmBucharest Otopeni Intl
$851

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest 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 18, 2026.
Use the filters below to find and compare flights from Bucharest 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

Wed 9/2

7:05 am-2:30 pm

1 stop15h 25m

Chicago O'Hare Intl

Sun 9/6

10:30 am-12:45 pm

2 stops18h 15m

$783

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/18

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

$785

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 9/19

2:35 pm-3:10 pm

1 stop32h 35m

Chicago O'Hare Intl

Fri 10/2

9:50 pm-11:15 pm

1 stop17h 25m

$786
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/2

7:05 am-2:30 pm

1 stop15h 25m

Chicago O'Hare Intl

Sun 9/6

4:20 pm-1:00 pm

1 stop12h 40m

$788

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/2

7:05 am-4:17 pm

2 stops17h 12m

Chicago O'Hare Intl

Mon 9/7

5:20 pm-5:20 pm

2 stops16h 00m

$793

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 7/15

6:30 pm-3:10 pm

1 stop28h 40m

Chicago O'Hare Intl

Wed 8/19

9:50 pm-1:50 am

1 stop20h 00m

$795

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/18

1:50 pm-12:55 pm

1 stop31h 05m

Chicago O'Hare Intl

Wed 9/9

4:05 pm-12:50 pm

1 stop12h 45m

$796

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/15

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 10/1

5:10 pm-5:45 pm

2 stops16h 35m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Chicago from

How to get the cheapest flight ticket from Bucharest 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 and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bucharest averaging around $284.

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 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 to Chicago O'Hare Intl flight route?

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Bucharest - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Bucharest to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Bucharest 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 for as low as $611 on momondo.

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

There are 2 cabin classes available to choose from on Bucharest 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 to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Bucharest to Chicago O'Hare Intl Airport.

When to book flights from Bucharest to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest 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 to Chicago O'Hare Intl Airport (BUH to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest 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 in the past 72 hours is $447. The best round-trip flight deal from Bucharest to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $868.
The fastest flight from Bucharest to Chicago O'Hare Intl Airport takes 12h 55m
There are no direct flights from Bucharest to Chicago O'Hare Intl Airport. There are no popular flight routes from Bucharest to Chicago O'Hare Intl Airport.
Search flight deals

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

  • How far is Bucharest to Chicago O'Hare Intl by plane?

    There are 5205.0 mi between Bucharest and Chicago O'Hare Intl. By plane, this route typically takes 12h 55m.

  • When did momondo last update prices for flights from Bucharest to Chicago O'Hare Intl Airport?

    Prices for flights from Bucharest to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Bucharest to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Bucharest to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Bucharest to Chicago O'Hare Intl Airport?

  • What is the most popular airline from Bucharest to Chicago O'Hare Intl Airport?

Best airlines flying from Bucharest to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Bucharest 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
8,073 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,408 reviews
Search Turkish Airlines flights
LOTPriceFrom $620Free CancellationRating
7.5
1,201 reviews
Search LOT flights
Air FrancePriceFrom $654Free CancellationRating
7.4
1,608 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

Traveling to a place near Chicago?

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

Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Bucharest to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Bucharest to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Bucharest with this policy.

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?

Yes momondo offers price alerts on flights to Chicago from Bucharest. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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