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Cheap flights from Bucharest Otopeni Intl Airport to Illinois from $314

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 11/14. 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.
Air Serbia Logo
4:30 am - 5:05 pmOTP-ORD
20h 35m1 stop
Air Serbia Logo
5:30 pm - 3:35 pmORD-OTP
14h 05m1 stop
$643Air Serbia
Find Deal
sex, dez 19 - sáb, jan 17
Multiple Airlines Logo
3:35 pm - 3:10 pmOTP-ORD
31h 35m2 stops
Multiple Airlines Logo
1:25 pm - 5:30 pmORD-OTP
20h 05m3 stops
$653Multiple Airlines
Find Deal
qui, nov 13 - qui, nov 27
LOT Logo
6:25 pm - 8:00 pmOTP-ORD
33h 35m1 stop
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
$677LOT
Find Deal
ter, nov 18 - sáb, jan 10
LOT Logo
5:35 am - 8:00 pmOTP-ORD
22h 25m1 stop
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
$679LOT
Find Deal
qui, nov 20 - sáb, jan 10
Lufthansa Logo
6:05 am - 1:55 pmOTP-STL
15h 50m1 stop
Lufthansa Logo
1:00 pm - 2:00 pmSTL-OTP
17h 00m2 stops
$696Lufthansa
Find Deal
qua, nov 26 - qua, dez 3
KLM Logo
1:55 pm - 2:20 pmOTP-ORD
32h 25m1 stop
KLM Logo
4:25 pm - 11:30 pmORD-OTP
23h 05m1 stop
$708KLM
Find Deal
ter, nov 18 - dom, nov 23
British Airways Logo
8:05 am - 5:00 pmOTP-ORD
16h 55m1 stop
British Airways Logo
5:10 pm - 3:45 pmORD-OTP
14h 35m1 stop
$714British Airways
Find Deal
qua, nov 26 - qua, dez 3
British Airways Logo
4:35 pm - 6:45 pmOTP-ORD
34h 10m1 stop
British Airways Logo
5:10 pm - 11:45 pmORD-OTP
22h 35m1 stop
$716British Airways
Find Deal
qui, nov 13 - qui, nov 27
KLM Logo
6:00 am - 4:46 pmOTP-ORD
18h 46m2 stops
KLM Logo
4:25 pm - 3:25 pmORD-OTP
15h 00m1 stop
$718KLM
Find Deal
ter, nov 18 - dom, nov 23
Lufthansa Logo
5:50 am - 11:10 amOTP-ORD
13h 20m1 stop
Lufthansa Logo
10:35 pm - 11:50 pmORD-OTP
17h 15m1 stop
$719Lufthansa
Find Deal
qui, nov 27 - qui, dez 4

LOT flights from Bucharest Otopeni Intl Airport to Illinois

Our best LOT deals on Bucharest Otopeni Intl Airport to Illinois flight tickets
LOT
Nov 18
OTP6:25 pmBucharest Otopeni Intl
33h 35m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jan 10
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$677
Find similar
LOT
Nov 20
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jan 10
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$679
Find similar
LOT
Nov 20
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Jan 11
ORD9:55 pmChicago O'Hare Intl
17h 20m
2 stops
OTP11:15 pmBucharest Otopeni Intl
$688
Find similar

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
Nov 13
OTP5:50 amBucharest Otopeni Intl
17h 05m
2 stops
ORD2:55 pmChicago O'Hare Intl
Nov 27
ORD12:50 pmChicago O'Hare Intl
17h 15m
2 stops
OTP2:05 pmBucharest Otopeni Intl
$740
Find similar
United Airlines
Oct 31
OTP5:55 amBucharest Otopeni Intl
32h 46m
2 stops
ORD7:41 amChicago O'Hare Intl
Nov 15
ORD12:00 pmChicago O'Hare Intl
18h 05m
2 stops
OTP2:05 pmBucharest Otopeni Intl
$744
Find similar
United Airlines
Oct 20
OTP6:00 amBucharest Otopeni Intl
21h 58m
2 stops
ORD7:58 pmChicago O'Hare Intl
Jan 24
ORD8:52 amChicago O'Hare Intl
21h 13m
2 stops
OTP2:05 pmBucharest Otopeni Intl
$747
Find similar

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 outubro 14, 2025.
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

sex 12/19

4:30 am-5:05 pm

1 stop20h 35m

Chicago O'Hare Intl

sáb 1/17

5:30 pm-3:35 pm

1 stop14h 05m

$643

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qui 11/13

3:35 pm-3:10 pm

2 stops31h 35m

Chicago O'Hare Intl

qui 11/27

1:25 pm-5:30 pm

3 stops20h 05m

$653

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ter 11/18

6:25 pm-8:00 pm

1 stop33h 35m

Chicago O'Hare Intl

sáb 1/10

9:55 pm-1:50 pm

1 stop31h 55m

$677

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qui 11/20

5:35 am-8:00 pm

1 stop22h 25m

Chicago O'Hare Intl

sáb 1/10

9:55 pm-1:50 pm

1 stop31h 55m

$679

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

qua 11/26

6:05 am-1:55 pm

1 stop15h 50m

Lambert-St Louis

qua 12/3

1:00 pm-2:00 pm

2 stops17h 00m

$696

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ter 11/18

1:55 pm-2:20 pm

1 stop32h 25m

Chicago O'Hare Intl

dom 11/23

4:25 pm-11:30 pm

1 stop23h 05m

$708

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qua 11/26

8:05 am-5:00 pm

1 stop16h 55m

Chicago O'Hare Intl

qua 12/3

5:10 pm-3:45 pm

1 stop14h 35m

$714

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qui 11/13

4:35 pm-6:45 pm

1 stop34h 10m

Chicago O'Hare Intl

qui 11/27

5:10 pm-11:45 pm

1 stop22h 35m

$716

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

ter 11/18

6:00 am-4:46 pm

2 stops18h 46m

Chicago O'Hare Intl

dom 11/23

4:25 pm-3:25 pm

1 stop15h 00m

$718

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

qui 11/27

5:50 am-11:10 am

1 stop13h 20m

Chicago O'Hare Intl

qui 12/4

10:35 pm-11:50 pm

1 stop17h 15m

$719

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 March. Flight prices, which tend to average around $568, 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 March, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $591.

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 Tuesday when prices can be found for as low as $676. Flights from Bucharest Otopeni Intl Airport to Illinois on a Saturday will generally be more expensive and average around $767. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Bucharest Otopeni Intl Airport to Illinois during this time can be as low as $511. Flights in the evening are often more expensive with an average ticket price of $802.

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 $695 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 is only 1 cabin class 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

Direct flights

None
There are no direct flights from Bucharest Otopeni Intl Airport to Illinois. There are no popular flight routes from Bucharest Otopeni Intl Airport to Illinois.
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  • 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.

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 $493Free CancellationRating
7.3
4,009 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
LufthansaPriceFrom $565Free CancellationRating
6.8
7,487 reviews
Search Lufthansa flights
KLMPriceFrom $570Free CancellationRating
7.7
1,402 reviews
Search KLM flights
United AirlinesPriceFrom $571Free CancellationRating
7.4
8,975 reviews
Search United Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,454 reviews
Search British Airways flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,475 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,130 reviews
Search LOT flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,972 reviews
Search Delta 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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