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Cheap flights from Bucharest Otopeni Intl Airport to Illinois from $357

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 Illinois departing on 5/28. 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 Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
5:35 am - 8:00 pm
OTP
-
ORD
22h 25m
1 stop
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m
1 stop
$500LOT
Thu, Feb 5 - Wed, Feb 18
LOT Logo
5:35 am - 8:00 pm
OTP
-
ORD
22h 25m
1 stop
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m
1 stop
$507LOT
Thu, Feb 19 - Wed, Mar 4
LOT Logo
5:35 am - 8:00 pm
OTP
-
ORD
22h 25m
1 stop
LOT Logo
9:55 pm - 1:45 am
ORD
-
OTP
19h 50m
1 stop
$509LOT
Sat, Feb 7 - Fri, Feb 20
LOT Logo
2:35 pm - 8:00 pm
OTP
-
ORD
13h 25m
1 stop
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m
1 stop
$511LOT
Thu, Feb 5 - Wed, Feb 18
Air Canada Logo
5:50 am - 2:55 pm
OTP
-
ORD
17h 05m
2 stops
Air Canada Logo
12:50 pm - 2:00 pm
ORD
-
OTP
17h 10m
2 stops
$573Air Canada
Thu, Feb 5 - Wed, Feb 18
Delta Logo
6:00 am - 5:55 pm
OTP
-
MDW
19h 55m
2 stops
Delta Logo
1:28 pm - 1:00 pm
MDW
-
OTP
15h 32m
2 stops
$653Delta
Thu, Feb 5 - Wed, Feb 18
Delta Logo
6:00 am - 6:36 pm
OTP
-
MDW
20h 36m
2 stops
Delta Logo
1:26 pm - 1:00 pm
MDW
-
OTP
15h 34m
2 stops
$654Delta
Fri, Feb 6 - Thu, Feb 19
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m
2 stops
KLM Logo
1:29 pm - 1:00 pm
MDW
-
OTP
15h 31m
2 stops
$807KLM
Sat, Feb 7 - Sun, Feb 15
United Airlines Logo
6:05 am - 1:55 pm
OTP
-
STL
15h 50m
1 stop
United Airlines Logo
11:20 am - 2:05 pm
STL
-
OTP
18h 45m
2 stops
$947United Airlines
Wed, Jan 28 - Sat, Jan 31
United Airlines Logo
6:05 am - 1:55 pm
OTP
-
STL
15h 50m
1 stop
United Airlines Logo
11:20 am - 2:05 pm
STL
-
OTP
18h 45m
2 stops
$949United Airlines
Wed, Jan 28 - Sat, Jan 31

United Airlines flights from Bucharest Otopeni Intl Airport to Illinois

Our best United Airlines deals on Bucharest Otopeni Intl Airport to Illinois flight tickets
United Airlines
Feb 1
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
Mar 31
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
$604
United Airlines
Feb 28
OTP5:55 amBucharest Otopeni Intl
13h 15m
1 stop
ORD11:10 amChicago O'Hare Intl
Mar 21
ORD3:46 pmChicago O'Hare Intl
15h 19m
2 stops
OTP2:05 pmBucharest Otopeni Intl
$605
United Airlines
Feb 5
OTP5:50 amBucharest Otopeni Intl
15h 35m
1 stop
ORD1:25 pmChicago O'Hare Intl
Feb 18
ORD2:30 pmChicago O'Hare Intl
15h 30m
2 stops
OTP2:00 pmBucharest Otopeni Intl
$606

Turkish Airlines flights from Bucharest Otopeni Intl Airport to Illinois

Our best Turkish Airlines deals on Bucharest Otopeni Intl Airport to Illinois flight tickets
Turkish Airlines
Mar 24
OTP3:30 pmBucharest Otopeni Intl
26h 35m
1 stop
ORD11:05 amChicago O'Hare Intl
May 5
ORD7:50 pmChicago O'Hare Intl
34h 45m
1 stop
OTP2:35 pmBucharest Otopeni Intl
$587
Turkish Airlines
Feb 6
OTP3:30 pmBucharest Otopeni Intl
26h 35m
1 stop
ORD10:05 amChicago O'Hare Intl
Mar 17
ORD9:20 pmChicago O'Hare Intl
28h 30m
1 stop
OTP8:50 amBucharest Otopeni Intl
$590
Turkish Airlines
Jan 26
OTP9:50 pmBucharest Otopeni Intl
20h 15m
1 stop
ORD10:05 amChicago O'Hare Intl
Jan 29
ORD8:20 pmChicago O'Hare Intl
28h 25m
1 stop
OTP8:45 amBucharest Otopeni Intl
$591

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest Otopeni Intl Airport to Illinois 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 January 15, 2026.
Use the filters below to find and compare flights from Bucharest Otopeni Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/5

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 2/18

9:55 pm-5:40 pm

1 stop11h 45m

$500

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/19

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Wed 3/4

9:55 pm-5:40 pm

1 stop11h 45m

$507

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 2/7

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

Fri 2/20

9:55 pm-1:45 am

1 stop19h 50m

$509

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/5

2:35 pm-8:00 pm

1 stop13h 25m

Chicago O'Hare Intl

Wed 2/18

9:55 pm-5:40 pm

1 stop11h 45m

$511

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 2/5

5:50 am-2:55 pm

2 stops17h 05m

Chicago O'Hare Intl

Wed 2/18

12:50 pm-2:00 pm

2 stops17h 10m

$573

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 2/5

6:00 am-5:55 pm

2 stops19h 55m

Chicago Midway

Wed 2/18

1:28 pm-1:00 pm

2 stops15h 32m

$653

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 2/6

6:00 am-6:36 pm

2 stops20h 36m

Chicago Midway

Thu 2/19

1:26 pm-1:00 pm

2 stops15h 34m

$654

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 2/7

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Sun 2/15

1:29 pm-1:00 pm

2 stops15h 31m

$807

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 1/28

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

Sat 1/31

11:20 am-2:05 pm

2 stops18h 45m

$947

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 1/28

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

Sat 1/31

11:20 am-2:05 pm

2 stops18h 45m

$949

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 Illinois from

How to get the cheapest flight ticket from Bucharest Otopeni Intl Airport to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Bucharest Otopeni Intl Airport is in April. Flight prices, which tend to average around $617, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $626.

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

The cheapest day to depart from Bucharest Otopeni Intl Airport to Illinois is on a Saturday when prices can be found for as low as $469. Flights from Bucharest Otopeni Intl Airport to Illinois on a Thursday will generally be more expensive and average around $469. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

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

You are more likely to see cheaper flights to Illinois from Bucharest Otopeni Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $724 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Bucharest Otopeni Intl Airport for as low as $634 on momondo.

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

There are 2 cabin classes available to choose from on Bucharest Otopeni Intl to Illinois 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 Illinois flights?

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

Cheap Bucharest Otopeni Intl Airport to Illinois flight deals and tips

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

Best Price Found

$462

Fastest flight time

14h 50m

Direct flights

Mon and Fri

Airports in Illinois

98 airports
The best flight deal from Bucharest Otopeni Intl Airport to Illinois found on momondo in the last 72 hours is $462
The fastest flight from Bucharest Otopeni Intl Airport to Illinois takes 14h 50m
Direct flights go from Bucharest Otopeni Intl Airport to Illinois on Monday and Friday. There are no airlines offering direct flights.
There are 98 airports in Illinois. From Bucharest Otopeni Intl Airport there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

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

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

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

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

    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 Illinois.

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

    The travel and health documents you'll need for your trip to Illinois 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 Illinois. 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 Otopeni Intl Airport to Illinois?

Best airlines flying from Bucharest Otopeni Intl Airport to Illinois

Compare and see reviews for airlines that fly from Bucharest Otopeni Intl Airport to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $336Free CancellationRating
7.3
4,175 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights
KLMPriceFrom $570Free CancellationRating
7.7
1,440 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,679 reviews
Search British Airways flights
LOTPriceFrom $584Free CancellationRating
7.5
1,172 reviews
Search LOT flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,522 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,050 reviews
Search Delta flights
LufthansaPriceFrom $647Free CancellationRating
6.8
7,718 reviews
Search Lufthansa flights

Why use momondo?

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

It is quick and easy to find Bucharest to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Bucharest which offer a flexible booking policy as well as other useful filters and features.

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

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 Illinois from Bucharest.

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

Yes. momondo can track prices for Bucharest to Illinois 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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