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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $423

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 10/19. 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.
Delta Logo
6:00 am - 4:50 pm
OTP
-
MDW
18h 50m
2 stops
Delta Logo
1:00 pm - 2:10 pm
MDW
-
OTP
17h 10m
2 stops
$787Delta
Wed, Dec 16 - Tue, Jan 12
LOT Logo
6:30 pm - 3:05 pm
OTP
-
ORD
28h 35m
2 stops
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$794LOT
Wed, Aug 5 - Wed, Aug 26
Multiple Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m
1 stop
Multiple Airlines Logo
4:20 pm - 3:10 pm
ORD
-
OTP
14h 50m
1 stop
$796Multiple Airlines
Mon, Aug 17 - Sun, Aug 30
Multiple Airlines Logo
4:50 pm - 2:15 pm
OTP
-
ORD
29h 25m
1 stop
Multiple Airlines Logo
5:10 pm - 3:50 pm
ORD
-
OTP
14h 40m
1 stop
$797Multiple Airlines
Wed, Aug 19 - Thu, Sep 10
Multiple Airlines Logo
4:50 pm - 2:15 pm
OTP
-
ORD
29h 25m
1 stop
Multiple Airlines Logo
5:10 pm - 3:50 pm
ORD
-
OTP
14h 40m
1 stop
$799Multiple Airlines
Wed, Aug 19 - Thu, Sep 10
Multiple Airlines Logo
4:50 pm - 2:15 pm
OTP
-
ORD
29h 25m
1 stop
Multiple Airlines Logo
5:10 pm - 3:50 pm
ORD
-
OTP
14h 40m
1 stop
$800Multiple Airlines
Wed, Aug 19 - Thu, Sep 10
Multiple Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m
1 stop
Multiple Airlines Logo
4:20 pm - 12:25 pm
ORD
-
OTP
12h 05m
1 stop
$801Multiple Airlines
Mon, Aug 17 - Sun, Aug 30
KLM Logo
6:30 pm - 2:30 pm
OTP
-
ORD
28h 00m
1 stop
KLM Logo
4:50 pm - 3:25 pm
ORD
-
OTP
14h 35m
1 stop
$802KLM
Tue, Aug 18 - Wed, Sep 9
Lufthansa Logo
5:15 pm - 12:55 pm
OTP
-
ORD
27h 40m
1 stop
Lufthansa Logo
4:05 pm - 4:30 pm
ORD
-
OTP
16h 25m
1 stop
$803Lufthansa
Mon, Aug 17 - Sun, Aug 30
KLM Logo
6:30 pm - 2:15 pm
OTP
-
ORD
27h 45m
1 stop
KLM Logo
4:20 pm - 12:55 am
ORD
-
OTP
24h 35m
1 stop
$805KLM
Thu, Aug 20 - Fri, Sep 11

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Lufthansa flights from Bucharest Otopeni Intl Airport to Chicago

Our best Lufthansa deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
Lufthansa
Aug 17
OTP5:15 pmBucharest Otopeni Intl
27h 40m
1 stop
ORD12:55 pmChicago O'Hare Intl
Aug 30
ORD4:05 pmChicago O'Hare Intl
16h 25m
1 stop
OTP4:30 pmBucharest Otopeni Intl
$803
Lufthansa
Jul 24
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
Dec 11
ORD10:35 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:55 pmBucharest Otopeni Intl
$836
Lufthansa
Jul 6
OTP5:15 pmBucharest Otopeni Intl
34h 40m
1 stop
ORD7:55 pmChicago O'Hare Intl
Jul 19
ORD4:05 pmChicago O'Hare Intl
16h 25m
1 stop
OTP4:30 pmBucharest Otopeni Intl
$873

British Airways flights from Bucharest Otopeni Intl Airport to Chicago

Our best British Airways deals on Bucharest Otopeni Intl Airport to Chicago flight tickets
British Airways
Jul 3
OTP3:30 pmBucharest Otopeni Intl
34h 05m
1 stop
ORD5:35 pmChicago O'Hare Intl
Sep 8
ORD10:30 pmChicago O'Hare Intl
18h 50m
1 stop
OTP1:20 amBucharest Otopeni Intl
$799
British Airways
Jul 3
OTP3:30 pmBucharest Otopeni Intl
31h 30m
1 stop
ORD3:00 pmChicago O'Hare Intl
Sep 8
ORD8:49 pmChicago O'Hare Intl
33h 46m
2 stops
OTP2:35 pmBucharest Otopeni Intl
$816
British Airways
Oct 14
OTP8:15 amBucharest Otopeni Intl
18h 00m
1 stop
ORD6:15 pmChicago O'Hare Intl
Oct 18
ORD5:00 pmChicago O'Hare Intl
13h 05m
1 stop
OTP2:05 pmBucharest Otopeni Intl
$845

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 June 25, 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 - MDW

OTPMDW

Bucharest Otopeni Intl

Wed 12/16

6:00 am-4:50 pm

2 stops18h 50m

Chicago Midway

Tue 1/12

1:00 pm-2:10 pm

2 stops17h 10m

$787

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 8/5

6:30 pm-3:05 pm

2 stops28h 35m

Chicago O'Hare Intl

Wed 8/26

9:50 pm-5:45 pm

1 stop11h 55m

$794

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 8/17

6:05 am-11:00 am

1 stop12h 55m

Chicago O'Hare Intl

Sun 8/30

4:20 pm-3:10 pm

1 stop14h 50m

$796

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 8/19

4:50 pm-2:15 pm

1 stop29h 25m

Chicago O'Hare Intl

Thu 9/10

5:10 pm-3:50 pm

1 stop14h 40m

$797

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 8/19

4:50 pm-2:15 pm

1 stop29h 25m

Chicago O'Hare Intl

Thu 9/10

5:10 pm-3:50 pm

1 stop14h 40m

$799

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 8/19

4:50 pm-2:15 pm

1 stop29h 25m

Chicago O'Hare Intl

Thu 9/10

5:10 pm-3:50 pm

1 stop14h 40m

$800
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 8/17

6:05 am-11:00 am

1 stop12h 55m

Chicago O'Hare Intl

Sun 8/30

4:20 pm-12:25 pm

1 stop12h 05m

$801

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/18

6:30 pm-2:30 pm

1 stop28h 00m

Chicago O'Hare Intl

Wed 9/9

4:50 pm-3:25 pm

1 stop14h 35m

$802

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 8/17

5:15 pm-12:55 pm

1 stop27h 40m

Chicago O'Hare Intl

Sun 8/30

4:05 pm-4:30 pm

1 stop16h 25m

$803

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 8/20

6:30 pm-2:15 pm

1 stop27h 45m

Chicago O'Hare Intl

Fri 9/11

4:20 pm-12:55 am

1 stop24h 35m

$805

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 June is, on average, the cheapest month to fly to Chicago from Bucharest Otopeni Intl Airport, with most prices found around $118. If you’re not able to fly to Chicago in June, then August is your next best option. Flight prices from Bucharest Otopeni Intl Airport to Chicago during August average around $184.

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 $770.

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 from Bucharest Otopeni Intl Airport 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 $784 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 Airport to Chicago flights?

There are 2 cabin classes available to choose from on Bucharest Otopeni Intl Airport 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

$493

Fastest flight time

13h 40m

Direct flights

None
The best one-way flight to Chicago from Bucharest Otopeni Intl Airport in the past 72 hours is $493. The best round-trip flight deal from Bucharest Otopeni Intl Airport to Chicago found on momondo in the last 72 hours is $868.
The fastest flight from Bucharest Otopeni Intl Airport to Chicago takes 13h 40m
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

Frequently asked questions about flying from Bucharest Otopeni Intl Airport to Chicago

  • 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 40m 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
HiSkyPriceFrom $426Free CancellationRating
0.0
Search HiSky flights
LufthansaPriceFrom $603Free CancellationRating
6.8
8,095 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,419 reviews
Search Turkish Airlines flights
LOTPriceFrom $620Free CancellationRating
7.5
1,205 reviews
Search LOT flights
Air FrancePriceFrom $654Free CancellationRating
7.5
1,614 reviews
Search Air France flights
KLMPriceFrom $657Free CancellationRating
7.8
1,530 reviews
Search KLM flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
8,072 reviews
Search British Airways flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
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Hammond
Portage
Benton Harbor
Saint Joseph
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