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Cheap flights from Bucharest Otopeni Intl Airport to Chicago from $407

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 8/16. 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 - 7:50 pm
OTP
-
ORD
19h 30m
1 stop
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$721LOT
Wed, Sep 9 - Wed, Sep 16
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
$724LOT
Thu, Aug 27 - Thu, Sep 17
LOT Logo
8:20 am - 7:50 pm
OTP
-
ORD
19h 30m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$738LOT
Wed, Sep 23 - Wed, Oct 7
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
LOT Logo
5:10 pm - 1:50 am
ORD
-
OTP
24h 40m
2 stops
$741LOT
Thu, Aug 27 - Thu, Sep 17
LOT Logo
6:30 pm - 3:10 pm
OTP
-
ORD
28h 40m
1 stop
LOT Logo
9:55 pm - 1:45 am
ORD
-
OTP
19h 50m
1 stop
$745LOT
Wed, Jun 10 - Wed, Feb 17
LOT Logo
5:35 am - 3:10 pm
OTP
-
ORD
17h 35m
1 stop
LOT Logo
10:55 pm - 1:50 pm
ORD
-
OTP
31h 55m
1 stop
$750LOT
Thu, Oct 15 - Thu, Oct 29
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
5:10 pm - 1:50 pm
ORD
-
OTP
12h 40m
1 stop
$751LOT
Thu, Jun 25 - Thu, Sep 3
LOT Logo
5:35 am - 3:10 pm
OTP
-
ORD
17h 35m
1 stop
LOT Logo
10:55 pm - 11:15 pm
ORD
-
OTP
17h 20m
1 stop
$752LOT
Thu, Oct 15 - Thu, Oct 29
LOT Logo
2:35 pm - 3:05 pm
OTP
-
ORD
32h 30m
2 stops
LOT Logo
9:55 pm - 11:15 pm
ORD
-
OTP
17h 20m
1 stop
$753LOT
Wed, Jun 10 - Wed, Feb 17
Multiple Airlines Logo
9:00 am - 11:50 am
OTP
-
ORD
10h 50mnonstop
Multiple Airlines Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
$756Multiple Airlines
Thu, Jul 23 - Wed, Aug 19

LOT flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

Our best LOT deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
LOT
Aug 27
OTP2:35 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Sep 17
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
$724
LOT
Aug 27
OTP5:35 amBucharest Otopeni Intl
22h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
Sep 17
ORD5:10 pmChicago O'Hare Intl
24h 40m
2 stops
OTP1:50 amBucharest Otopeni Intl
$741
LOT
Jun 10
OTP6:30 pmBucharest Otopeni Intl
28h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
Feb 17
ORD9:55 pmChicago O'Hare Intl
19h 50m
1 stop
OTP1:45 amBucharest Otopeni Intl
$745

Delta flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport

Our best Delta deals on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight tickets
Delta
Oct 15
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 29
ORD11:10 amChicago O'Hare Intl
17h 55m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$808
Delta
Oct 15
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
Oct 29
ORD8:15 amChicago O'Hare Intl
20h 50m
2 stops
OTP12:05 pmBucharest Otopeni Intl
$809
Delta
May 7
OTP7:05 amBucharest Otopeni Intl
21h 09m
2 stops
ORD8:14 pmChicago O'Hare Intl
Sep 3
ORD10:30 amChicago O'Hare Intl
18h 15m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$839

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport 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 April 30, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport 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

Wed 9/9

8:20 am-7:50 pm

1 stop19h 30m

Chicago O'Hare Intl

Wed 9/16

9:50 pm-1:50 am

1 stop20h 00m

$721
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 8/27

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Thu 9/17

9:50 pm-5:45 pm

1 stop11h 55m

$724

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/23

8:20 am-7:50 pm

1 stop19h 30m

Chicago O'Hare Intl

Wed 10/7

9:50 pm-11:15 pm

1 stop17h 25m

$738

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 8/27

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Thu 9/17

5:10 pm-1:50 am

2 stops24h 40m

$741

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 6/10

6:30 pm-3:10 pm

1 stop28h 40m

Chicago O'Hare Intl

Wed 2/17

9:55 pm-1:45 am

1 stop19h 50m

$745

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Thu 10/29

10:55 pm-1:50 pm

1 stop31h 55m

$750

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/25

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 9/3

5:10 pm-1:50 pm

1 stop12h 40m

$751

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Thu 10/29

10:55 pm-11:15 pm

1 stop17h 20m

$752

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 6/10

2:35 pm-3:05 pm

2 stops32h 30m

Chicago O'Hare Intl

Wed 2/17

9:55 pm-11:15 pm

1 stop17h 20m

$753

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 7/23

9:00 am-11:50 am

Nonstop10h 50m

Chicago O'Hare Intl

Wed 8/19

4:40 pm-3:20 pm

1 stop14h 40m

$756

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 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 Otopeni Intl Airport and Chicago O'Hare Intl Airport?

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

The month of September is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Bucharest Otopeni Intl Airport averaging around $660.

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 Otopeni Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $481.

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

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

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

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $755 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 Otopeni Intl Airport for as low as $611 on momondo.

Can stopping save me money on Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flights?

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

How have Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport flight prices changed over time?

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

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

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

Best Price Found

$407

Fastest flight time

10h 50m

Direct flights

Mon and Fri
The best one-way flight to Chicago O'Hare Intl Airport from Bucharest Otopeni Intl Airport in the past 72 hours is $407. The best round-trip flight deal from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $825.
The fastest flight from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport takes 10h 50m
Direct flights go from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport on Monday and Friday. The only airline offering direct flights is HiSky.
Search flight deals

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

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

    There are 5198.3 mi between Bucharest Otopeni Intl and Chicago O'Hare Intl. A reasonable flight in good conditions will take 10h 50m.

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

    Prices for flights from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport.

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

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,678 reviews
Search United Airlines flights
LOTPriceFrom $602Free CancellationRating
7.5
1,192 reviews
Search LOT flights
LufthansaPriceFrom $603Free CancellationRating
6.8
7,962 reviews
Search Lufthansa flights
KLMPriceFrom $606Free CancellationRating
7.8
1,512 reviews
Search KLM flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,346 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $622Free CancellationRating
6.7
7,937 reviews
Search British Airways flights

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Bucharest to Chicago for you.

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

Yes. All flights to Chicago from Bucharest on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are not ready to book a flight from Bucharest to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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