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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $329

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 5/4. 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
8:20 am - 9:00 pm
OTP
-
ORD
19h 40m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$613LOT
Thu, Mar 19 - Fri, Apr 3
LOT Logo
5:35 am - 9:00 pm
OTP
-
ORD
22h 25m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$615LOT
Thu, Mar 19 - Fri, Apr 3
LOT Logo
2:35 pm - 7:50 pm
OTP
-
ORD
13h 15m
1 stop
LOT Logo
9:50 pm - 1:50 pm
ORD
-
OTP
32h 00m
1 stop
$616LOT
Thu, Apr 2 - Fri, Apr 17
LOT Logo
2:35 pm - 7:50 pm
OTP
-
ORD
13h 15m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$619LOT
Thu, Apr 9 - Wed, Apr 22
LOT Logo
5:35 am - 3:10 pm
OTP
-
ORD
17h 35m
1 stop
LOT Logo
9:50 pm - 1:50 pm
ORD
-
OTP
32h 00m
1 stop
$620LOT
Sat, Apr 4 - Fri, Apr 17
LOT Logo
2:35 pm - 9:00 pm
OTP
-
ORD
13h 25m
1 stop
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$621LOT
Thu, Mar 19 - Fri, Apr 3
KLM Logo
8:35 am - 6:40 pm
OTP
-
MDW
17h 05m
2 stops
KLM Logo
6:34 pm - 3:25 pm
MDW
-
OTP
13h 51m
2 stops
$779KLM
Tue, Mar 17 - Mon, Mar 23
Delta Logo
6:05 am - 5:54 pm
OTP
-
MDW
18h 49m
2 stops
Delta Logo
6:34 pm - 5:10 pm
MDW
-
OTP
15h 36m
2 stops
$802Delta
Thu, Mar 19 - Mon, Mar 23
Delta Logo
7:05 am - 5:54 pm
OTP
-
MDW
18h 49m
2 stops
Delta Logo
1:24 pm - 1:00 pm
MDW
-
OTP
15h 36m
2 stops
$827Delta
Thu, Apr 9 - Wed, Apr 22
Delta Logo
6:05 am - 5:54 pm
OTP
-
MDW
18h 49m
2 stops
Delta Logo
6:34 pm - 5:40 pm
MDW
-
OTP
15h 06m
2 stops
$834Delta
Thu, Mar 19 - Fri, Apr 3

LOT flights from Bucharest Otopeni Intl Airport to Chicago

Our best LOT deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
LOT
Mar 19
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD9:00 pmChicago O'Hare Intl
Apr 3
ORD9:50 pmChicago O'Hare Intl
17h 25m
1 stop
OTP11:15 pmBucharest Otopeni Intl
$613
LOT
Mar 19
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
Apr 3
ORD9:50 pmChicago O'Hare Intl
17h 25m
1 stop
OTP11:15 pmBucharest Otopeni Intl
$615
LOT
Apr 4
OTP8:20 amBucharest Otopeni Intl
14h 50m
1 stop
ORD3:10 pmChicago O'Hare Intl
Apr 17
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
$616

Delta flights from Bucharest Otopeni Intl Airport to Chicago

Our best Delta deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
Delta
Mar 24
OTP6:05 amBucharest Otopeni Intl
17h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 28
ORD8:15 amChicago O'Hare Intl
20h 30m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$662
Delta
Mar 19
OTP6:05 amBucharest Otopeni Intl
17h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Mar 23
ORD1:37 pmChicago O'Hare Intl
15h 28m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$667
Delta
Mar 24
OTP6:05 amBucharest Otopeni Intl
24h 49m
2 stops
ORD11:54 pmChicago O'Hare Intl
Apr 28
ORD10:15 amChicago O'Hare Intl
18h 30m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$668

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 March 7, 2026.
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

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 3/19

8:20 am-9:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Fri 4/3

9:50 pm-11:15 pm

1 stop17h 25m

$613

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 3/19

5:35 am-9:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Fri 4/3

9:50 pm-11:15 pm

1 stop17h 25m

$615

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/2

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 4/17

9:50 pm-1:50 pm

1 stop32h 00m

$616
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/9

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Wed 4/22

9:50 pm-5:45 pm

1 stop11h 55m

$619

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 4/4

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Fri 4/17

9:50 pm-1:50 pm

1 stop32h 00m

$620

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 3/19

2:35 pm-9:00 pm

1 stop13h 25m

Chicago O'Hare Intl

Fri 4/3

9:50 pm-1:50 am

1 stop20h 00m

$621

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Tue 3/17

8:35 am-6:40 pm

2 stops17h 05m

Chicago Midway

Mon 3/23

6:34 pm-3:25 pm

2 stops13h 51m

$779

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 3/19

6:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Mon 3/23

6:34 pm-5:10 pm

2 stops15h 36m

$802

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/9

7:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Wed 4/22

1:24 pm-1:00 pm

2 stops15h 36m

$827

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 3/19

6:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Fri 4/3

6:34 pm-5:40 pm

2 stops15h 06m

$834

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 cheapest month to fly to Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Bucharest Otopeni Intl Airport, with most prices found around $651. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Bucharest Otopeni Intl Airport to Chicago during November average around $658.

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 $469. 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 $469.

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 $740 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 $611 on momondo.

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

There are 2 cabin classes 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

Best Price Found

$430

Fastest flight time

10h 50m

Direct flights

Mon and Fri

Airports in Chicago

3 airports
The best one-way flight to Chicago from Bucharest Otopeni Intl Airport in the past 72 hours is $430. The best round-trip flight deal from Bucharest Otopeni Intl Airport to Chicago found on momondo in the last 72 hours is $426.
The fastest flight from Bucharest Otopeni Intl Airport to Chicago takes 10h 50m
Direct flights go from Bucharest Otopeni Intl Airport to Chicago on Monday and Friday. The only airline offering direct flights is HiSky.
There are 3 airports in Chicago. From Bucharest Otopeni Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
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. 10h 50m 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 plane model from Bucharest Otopeni Intl Airport to Chicago?

  • 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
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,406 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $336Free CancellationRating
7.3
4,249 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $595Free CancellationRating
7.1
11,400 reviews
Search American Airlines flights
LOTPriceFrom $602Free CancellationRating
7.5
1,183 reviews
Search LOT flights
British AirwaysPriceFrom $602Free CancellationRating
6.7
7,780 reviews
Search British Airways flights
LufthansaPriceFrom $603Free CancellationRating
6.8
7,833 reviews
Search Lufthansa flights
KLMPriceFrom $612Free CancellationRating
7.8
1,467 reviews
Search KLM 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
Valparaiso
Schererville
Munster
Crown Point
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