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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $383

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 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
5:35 am - 8:00 pmOTP-ORD
22h 25m1 stop
LOT Logo
9:55 pm - 1:45 amORD-OTP
19h 50m1 stop
$669LOT
Find Deal
Thu, Nov 13 - Fri, Nov 28
LOT Logo
8:20 am - 8:00 pmOTP-ORD
19h 40m1 stop
LOT Logo
9:55 pm - 5:40 pmORD-OTP
11h 45m1 stop
$681LOT
Find Deal
Thu, Nov 20 - Sat, Jan 10
LOT Logo
5:35 am - 9:00 pmOTP-ORD
22h 25m1 stop
LOT Logo
9:40 pm - 1:50 pmORD-OTP
32h 10m1 stop
$682LOT
Find Deal
Tue, Mar 24 - Tue, May 5
Multiple Airlines Logo
4:05 pm - 3:00 pmOTP-ORD
30h 55m1 stop
Multiple Airlines Logo
8:36 am - 4:30 pmORD-OTP
23h 54m2 stops
$685Multiple Airlines
Find Deal
Thu, Nov 20 - Wed, Dec 3
Multiple Airlines Logo
4:30 am - 5:05 pmOTP-ORD
20h 35m1 stop
Multiple Airlines Logo
12:05 pm - 1:40 pmORD-OTP
41h 35m2 stops
$696Multiple Airlines
Find Deal
Fri, Dec 19 - Wed, Jan 14
British Airways Logo
8:00 am - 6:45 pmOTP-ORD
18h 45m1 stop
British Airways Logo
9:45 pm - 3:45 pmORD-OTP
34h 00m1 stop
$717British Airways
Find Deal
Tue, Dec 16 - Tue, Jan 20
British Airways Logo
8:00 am - 3:25 pmOTP-ORD
15h 25m1 stop
British Airways Logo
6:35 pm - 11:25 pmORD-OTP
20h 50m2 stops
$718British Airways
Find Deal
Thu, Nov 13 - Fri, Nov 28
Lufthansa Logo
5:55 am - 8:05 pmOTP-ORD
22h 10m1 stop
Lufthansa Logo
4:20 pm - 2:00 pmORD-OTP
13h 40m1 stop
$729Lufthansa
Find Deal
Fri, Nov 7 - Wed, Feb 4
United Airlines Logo
5:55 am - 11:18 amOTP-ORD
37h 23m2 stops
United Airlines Logo
10:30 pm - 11:40 pmORD-OTP
17h 10m1 stop
$743United Airlines
Find Deal
Mon, Nov 17 - Fri, May 15
United Airlines Logo
5:55 am - 7:41 amOTP-ORD
32h 46m2 stops
United Airlines Logo
6:00 pm - 6:35 pmORD-OTP
16h 35m1 stop
$745United Airlines
Find Deal
Fri, Oct 31 - Mon, Nov 24

LOT flights from Bucharest Otopeni Intl Airport to Chicago

Our best LOT deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
LOT
Nov 13
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Nov 28
ORD9:55 pmChicago O'Hare Intl
19h 50m
1 stop
OTP1:45 amBucharest Otopeni Intl
$669
Find similar
LOT
Nov 20
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jan 10
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
$681
Find similar
LOT
Mar 24
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
May 5
ORD9:40 pmChicago O'Hare Intl
32h 10m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$682
Find similar

Delta flights from Bucharest Otopeni Intl Airport to Chicago

Our best Delta deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
Delta
Nov 21
OTP6:00 amBucharest Otopeni Intl
16h 20m
1 stop
ORD2:20 pmChicago O'Hare Intl
Jan 10
ORD7:30 amChicago O'Hare Intl
20h 35m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$705
Find similar
Delta
Nov 3
OTP6:00 amBucharest Otopeni Intl
24h 14m
2 stops
MDW10:14 pmChicago Midway
Nov 16
MDW10:47 amChicago Midway
17h 18m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$710
Find similar
Delta
Nov 13
OTP6:00 amBucharest Otopeni Intl
18h 52m
2 stops
ORD4:52 pmChicago O'Hare Intl
Nov 28
ORD5:20 pmChicago O'Hare Intl
12h 30m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$711
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport to Chicago 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 October 22, 2025.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/13

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Fri 11/28

9:55 pm-1:45 am

1 stop19h 50m

$669

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/20

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sat 1/10

9:55 pm-5:40 pm

1 stop11h 45m

$681

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

5:35 am-9:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Tue 5/5

9:40 pm-1:50 pm

1 stop32h 10m

$682

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/20

4:05 pm-3:00 pm

1 stop30h 55m

Chicago O'Hare Intl

Wed 12/3

8:36 am-4:30 pm

2 stops23h 54m

$685

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 12/19

4:30 am-5:05 pm

1 stop20h 35m

Chicago O'Hare Intl

Wed 1/14

12:05 pm-1:40 pm

2 stops41h 35m

$696

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 12/16

8:00 am-6:45 pm

1 stop18h 45m

Chicago O'Hare Intl

Tue 1/20

9:45 pm-3:45 pm

1 stop34h 00m

$717

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 11/13

8:00 am-3:25 pm

1 stop15h 25m

Chicago O'Hare Intl

Fri 11/28

6:35 pm-11:25 pm

2 stops20h 50m

$718

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/7

5:55 am-8:05 pm

1 stop22h 10m

Chicago O'Hare Intl

Wed 2/4

4:20 pm-2:00 pm

1 stop13h 40m

$729

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 11/17

5:55 am-11:18 am

2 stops37h 23m

Chicago O'Hare Intl

Fri 5/15

10:30 pm-11:40 pm

1 stop17h 10m

$743

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 10/31

5:55 am-7:41 am

2 stops32h 46m

Chicago O'Hare Intl

Mon 11/24

6:00 pm-6:35 pm

1 stop16h 35m

$745

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

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?

What is the cheapest month to fly to Chicago?

The month of March is, on average, the cheapest month to fly to Chicago from Bucharest Otopeni Intl Airport, with most prices found around $568. If you’re not able to fly to Chicago in March, then April is your next best option. Flight prices from Bucharest Otopeni Intl Airport to Chicago during April average around $591.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $660. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bucharest Otopeni Intl Airport to Chicago for around $723.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Bucharest Otopeni Intl Airport to Chicago during this time can be as low as $658. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $753.

What is the cheapest Bucharest Otopeni Intl to Chicago flight route?

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

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $699 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Bucharest Otopeni Intl Airport for as low as $634 on momondo.

What cabin class options are available on Bucharest Otopeni Intl to Chicago flights?

There is only 1 cabin class available to choose from on Bucharest Otopeni Intl to Chicago 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 flights?

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

When to book flights from Bucharest Otopeni Intl Airport to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest Otopeni Intl Airport to Chicago 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 (OTP to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest Otopeni Intl Airport to Chicago

Direct flights

None
There are no direct flights from Bucharest Otopeni Intl Airport to Chicago. There are no popular flight routes from Bucharest Otopeni Intl Airport to Chicago.
Search flight deals

  • How far is Bucharest Otopeni Intl to Chicago by plane?

    The straight-line distance from Bucharest Otopeni Intl to Chicago is 5194.0 mi. 13h 30m is a normal flight duration for this route.

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

    Prices for flights from Bucharest Otopeni Intl Airport to Chicago were last updated today.

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

  • How old do you have to be to fly from Bucharest Otopeni Intl Airport to Chicago?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bucharest Otopeni Intl Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Bucharest Otopeni Intl Airport to Chicago?

Best airlines flying from Bucharest Otopeni Intl Airport to Chicago

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $493Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,026 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,509 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,404 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,464 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,476 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,132 reviews
Search LOT flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,978 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Bucharest to Chicago. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Bucharest to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from Bucharest to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Bucharest to Chicago.

I’m not ready to book a flight from Bucharest to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Bucharest to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport