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Cheap flights from Bucharest to Chicago from $389

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 8/2. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:50 am - 12:10 pm
OTP
-
ORD
13h 20m
1 stop
Multiple Airlines Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
$610Multiple Airlines
Thu, Mar 26 - Mon, Apr 6
Multiple Airlines Logo
5:50 am - 3:20 pm
OTP
-
ORD
17h 30m
1 stop
Multiple Airlines Logo
6:50 pm - 12:25 am
ORD
-
OTP
21h 35m
1 stop
$612Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
United Airlines Logo
5:55 am - 1:25 pm
OTP
-
ORD
15h 30m
1 stop
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
$613United Airlines
Fri, Mar 6 - Tue, Apr 7
United Airlines Logo
5:50 am - 1:25 pm
OTP
-
ORD
15h 35m
1 stop
United Airlines Logo
12:00 pm - 2:00 pm
ORD
-
OTP
18h 00m
2 stops
$614United Airlines
Thu, Feb 19 - Wed, Mar 4
United Airlines Logo
5:55 am - 8:00 am
OTP
-
ORD
33h 05m
2 stops
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
$617United Airlines
Tue, Mar 24 - Tue, Apr 28
United Airlines Logo
5:55 am - 11:10 am
OTP
-
ORD
13h 15m
1 stop
United Airlines Logo
7:00 pm - 6:35 pm
ORD
-
OTP
16h 35m
1 stop
$619United Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
5:55 am - 12:10 pm
OTP
-
ORD
13h 15m
1 stop
United Airlines Logo
6:15 pm - 4:20 pm
ORD
-
OTP
14h 05m
1 stop
$620United Airlines
Tue, Mar 24 - Tue, May 5
Air Canada Logo
5:50 am - 8:00 am
OTP
-
ORD
34h 10m
2 stops
Air Canada Logo
10:35 am - 3:50 pm
ORD
-
OTP
21h 15m
2 stops
$621Air Canada
Thu, Feb 19 - Wed, Mar 4
United Airlines Logo
5:55 am - 3:20 pm
OTP
-
ORD
17h 25m
1 stop
United Airlines Logo
2:30 pm - 2:05 pm
ORD
-
OTP
16h 35m
2 stops
$625United Airlines
Mon, Mar 2 - Mon, Mar 9
Air Canada Logo
5:55 am - 7:45 pm
OTP
-
ORD
21h 50m
2 stops
Air Canada Logo
12:50 pm - 12:25 pm
ORD
-
OTP
15h 35m
2 stops
$629Air Canada
Fri, Mar 6 - Tue, Apr 7

LOT flights from Bucharest to Chicago O'Hare Intl Airport

Our best LOT deals on Bucharest to Chicago O'Hare Intl Airport flight tickets
LOT
Mar 6
OTP6:25 pmBucharest Otopeni Intl
33h 35m
1 stop
ORD8:00 pmChicago O'Hare Intl
Apr 7
ORD9:50 pmChicago O'Hare Intl
20h 00m
1 stop
OTP1:50 amBucharest Otopeni Intl
$652
LOT
Mar 19
OTP2:35 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
Apr 4
ORD5:10 pmChicago O'Hare Intl
22h 05m
2 stops
OTP11:15 pmBucharest Otopeni Intl
$659
LOT
Apr 3
OTP8:20 amBucharest Otopeni Intl
19h 30m
2 stops
ORD7:50 pmChicago O'Hare Intl
Apr 16
ORD9:50 pmChicago O'Hare Intl
44h 00m
2 stops
OTP1:50 amBucharest Otopeni Intl
$724

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
Mar 6
OTP5:55 amBucharest Otopeni Intl
15h 30m
1 stop
ORD1:25 pmChicago O'Hare Intl
Apr 7
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$613
United Airlines
Feb 19
OTP5:50 amBucharest Otopeni Intl
15h 35m
1 stop
ORD1:25 pmChicago O'Hare Intl
Mar 4
ORD6:25 pmChicago O'Hare Intl
21h 30m
1 stop
OTP11:55 pmBucharest Otopeni Intl
$614
United Airlines
Mar 24
OTP5:55 amBucharest Otopeni Intl
33h 05m
2 stops
ORD8:00 amChicago O'Hare Intl
Apr 28
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$617

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 February 3, 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

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 3/26

5:50 am-12:10 pm

1 stop13h 20m

Chicago O'Hare Intl

Mon 4/6

7:05 pm-3:20 pm

1 stop12h 15m

$610

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-3:20 pm

1 stop17h 30m

Chicago O'Hare Intl

Wed 3/4

6:50 pm-12:25 am

1 stop21h 35m

$612

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

5:55 am-1:25 pm

1 stop15h 30m

Chicago O'Hare Intl

Tue 4/7

9:40 pm-1:10 am

1 stop19h 30m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-1:25 pm

1 stop15h 35m

Chicago O'Hare Intl

Wed 3/4

12:00 pm-2:00 pm

2 stops18h 00m

$614

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-8:00 am

2 stops33h 05m

Chicago O'Hare Intl

Tue 4/28

9:40 pm-1:10 am

1 stop19h 30m

$617

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/2

5:55 am-11:10 am

1 stop13h 15m

Chicago O'Hare Intl

Mon 3/9

7:00 pm-6:35 pm

1 stop16h 35m

$619

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:55 am-12:10 pm

1 stop13h 15m

Chicago O'Hare Intl

Tue 5/5

6:15 pm-4:20 pm

1 stop14h 05m

$620

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:50 am-8:00 am

2 stops34h 10m

Chicago O'Hare Intl

Wed 3/4

10:35 am-3:50 pm

2 stops21h 15m

$621

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 3/2

5:55 am-3:20 pm

1 stop17h 25m

Chicago O'Hare Intl

Mon 3/9

2:30 pm-2:05 pm

2 stops16h 35m

$625

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

5:55 am-7:45 pm

2 stops21h 50m

Chicago O'Hare Intl

Tue 4/7

12:50 pm-12:25 pm

2 stops15h 35m

$629

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 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 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 averaging around $622.

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 $469.

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 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 $720 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 $642 on momondo.

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

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

$462

Fastest flight time

10h 50m

Direct flights

Mon
The best flight deal from Bucharest to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $462
The fastest flight from Bucharest to Chicago O'Hare Intl Airport takes 10h 50m
Direct flights go from Bucharest to Chicago O'Hare Intl Airport on Monday. There are no airlines offering direct flights.
Search flight deals

  • 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 10h 50m.

  • 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
Turkish AirlinesPriceFrom $336Free CancellationRating
7.3
4,210 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
LOTPriceFrom $587Free CancellationRating
7.5
1,178 reviews
Search LOT flights
American AirlinesPriceFrom $595Free CancellationRating
7.2
11,217 reviews
Search American Airlines flights
LufthansaPriceFrom $603Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
KLMPriceFrom $612Free CancellationRating
7.7
1,448 reviews
Search KLM flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,531 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,138 reviews
Search Delta 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
Rockford
Merrillville
Gurnee
Naperville
Rosemont
New Buffalo
Kenosha
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Elgin
Aurora
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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