What is the cheapest airline that flies from Bucharest Otopeni Intl to Illinois?

Air Serbia and British Airways are the most popular carriers operating from Bucharest Otopeni Intl to Illinois

What airlines fly to Illinois?

LOT, Turkish Airlines and Lufthansa are the top three most popular airlines that fly to Illinois from Bucharest Otopeni Intl Airport according to our data. LOT is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

There are 7 operators available for flights from Bucharest Otopeni Intl Airport to Illinois as of June 2026.

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.

$458 Cheap Flights from Bucharest Otopeni Intl Airport to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bucharest Otopeni Intl Airport to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 am - 3:55 pm

OTP

ORD

15h 40m

1 stop

9:40 pm - 11:45 pm

ORD

OTP

19h 05m

1 stop

$756British Airways

Thu, Oct 15 - Thu, Oct 29

8:00 am - 6:45 pm

OTP

ORD

18h 45m

1 stop

9:45 pm - 11:30 pm

ORD

OTP

17h 45m

1 stop

$789American Airlines

Fri, Nov 27 - Wed, Dec 2

6:05 am - 12:55 pm

OTP

ORD

14h 50m

1 stop

3:35 pm - 12:00 pm

ORD

OTP

12h 25m

1 stop

$791Lufthansa

Sat, Aug 22 - Sat, Aug 29

7:40 am - 9:25 pm

OTP

ORD

21h 45m

2 stops

7:25 pm - 1:35 am

ORD

OTP

22h 10m

2 stops

$793Multiple Airlines

Tue, Aug 25 - Sat, Sep 5

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

$794Air Serbia

Tue, Jun 23 - Mon, Aug 31

8:15 am - 5:35 pm

OTP

ORD

17h 20m

1 stop

10:30 pm - 1:20 am

ORD

OTP

18h 50m

1 stop

$795American Airlines

Mon, Jul 13 - Mon, Jul 27

7:05 am - 2:15 pm

OTP

ORD

15h 10m

1 stop

1:15 pm - 2:10 pm

ORD

OTP

17h 55m

2 stops

$796Delta

Thu, Oct 15 - Thu, Oct 29

7:05 am - 8:55 pm

OTP

ORD

21h 50m

2 stops

10:40 am - 12:45 pm

ORD

OTP

18h 05m

2 stops

$800Delta

Tue, Sep 1 - Wed, Oct 7

7:05 am - 10:04 pm

OTP

ORD

22h 59m

2 stops

10:40 am - 2:10 pm

ORD

OTP

20h 30m

2 stops

$801Delta

Thu, Oct 15 - Thu, Oct 29

7:05 am - 2:15 pm

OTP

ORD

15h 10m

1 stop

5:10 pm - 11:35 pm

ORD

OTP

22h 25m

1 stop

$802Multiple Airlines

Tue, Aug 18 - Wed, Sep 9

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

LOT flights from Bucharest Otopeni Intl Airport to Illinois

Our best LOT deals on Bucharest Otopeni Intl Airport to Illinois flight tickets

LOT

Aug 5

OTP6:30 pmBucharest Otopeni Intl

28h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

Aug 26

ORD9:50 pmChicago O'Hare Intl

32h 00m

1 stop

OTP1:50 pmBucharest Otopeni Intl

$821

LOT

Jul 28

OTP5:35 amBucharest Otopeni Intl

41h 35m

2 stops

ORD3:10 pmChicago O'Hare Intl

Aug 26

ORD5:10 pmChicago O'Hare Intl

16h 35m

2 stops

OTP5:45 pmBucharest Otopeni Intl

$822

LOT

Aug 5

OTP6:30 pmBucharest Otopeni Intl

28h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

Aug 26

ORD9:50 pmChicago O'Hare Intl

32h 00m

1 stop

OTP1:50 pmBucharest Otopeni Intl

$827

Delta flights from Bucharest Otopeni Intl Airport to Illinois

Our best Delta deals on Bucharest Otopeni Intl Airport to Illinois flight tickets

Delta

Oct 15

OTP7:05 amBucharest Otopeni Intl

15h 10m

1 stop

ORD2:15 pmChicago O'Hare Intl

Oct 29

ORD1:15 pmChicago O'Hare Intl

17h 55m

2 stops

OTP2:10 pmBucharest Otopeni Intl

$796

Delta

Sep 1

OTP7:05 amBucharest Otopeni Intl

21h 50m

2 stops

ORD8:55 pmChicago O'Hare Intl

Oct 7

ORD10:40 amChicago O'Hare Intl

18h 05m

2 stops

OTP12:45 pmBucharest Otopeni Intl

$800

Delta

Oct 15

OTP7:05 amBucharest Otopeni Intl

22h 59m

2 stops

ORD10:04 pmChicago O'Hare Intl

Oct 29

ORD10:40 amChicago O'Hare Intl

20h 30m

2 stops

OTP2:10 pmBucharest Otopeni Intl

$801

momondo Fare Finder

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

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

8:15 am-3:55 pm

1 stop15h 40m

Chicago O'Hare Intl

Thu 10/29

9:40 pm-11:45 pm

1 stop19h 05m

$756

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/27

8:00 am-6:45 pm

1 stop18h 45m

Chicago O'Hare Intl

Wed 12/2

9:45 pm-11:30 pm

1 stop17h 45m

$789

Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 8/29

3:35 pm-12:00 pm

1 stop12h 25m

$791

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/25

7:40 am-9:25 pm

2 stops21h 45m

Chicago O'Hare Intl

Sat 9/5

7:25 pm-1:35 am

2 stops22h 10m

$793

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 6/23

4:05 pm-2:30 pm

1 stop30h 25m

Chicago O'Hare Intl

Mon 8/31

4:40 pm-3:20 pm

1 stop14h 40m

$794

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 7/13

8:15 am-5:35 pm

1 stop17h 20m

Chicago O'Hare Intl

Mon 7/27

10:30 pm-1:20 am

1 stop18h 50m

$795

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 10/29

1:15 pm-2:10 pm

2 stops17h 55m

$796

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/1

7:05 am-8:55 pm

2 stops21h 50m

Chicago O'Hare Intl

Wed 10/7

10:40 am-12:45 pm

2 stops18h 05m

$800

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/15

7:05 am-10:04 pm

2 stops22h 59m

Chicago O'Hare Intl

Thu 10/29

10:40 am-2:10 pm

2 stops20h 30m

$801

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 8/18

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Wed 9/9

5:10 pm-11:35 pm

1 stop22h 25m

$802

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Bucharest Otopeni Intl Airport is in June. Flight prices, which tend to average around $118, 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 June, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $184.

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 $770. 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 from Bucharest Otopeni Intl Airport 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 $782 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 $599 on momondo.

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

There are 2 cabin classes available to choose from on Bucharest Otopeni Intl Airport 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	$447
Fastest flight time	12h 55m
Direct flights	None

The best one-way flight to Illinois from Bucharest Otopeni Intl Airport in the past 72 hours is $447. The best round-trip flight deal from Bucharest Otopeni Intl Airport to Illinois found on momondo in the last 72 hours is $868.

The fastest flight from Bucharest Otopeni Intl Airport to Illinois takes 12h 55m

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.

Search flight deals

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

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?
There are 7 operators available for flights from Bucharest Otopeni Intl Airport to Illinois as of June 2026.
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?
momondo data reveals that the most frequently booked plane model on the route from Bucharest Otopeni Intl Airport to Illinois is Airbus A330, representing 78.05% of all bookings. The subsequent popular model is Airbus A330-200 at 21.95%.

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
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 8,056 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,411 reviews	Search Turkish Airlines flights
LOT	PriceFrom $620	Free Cancellation	Rating 7.5 1,198 reviews	Search LOT flights
Air France	PriceFrom $654	Free Cancellation	Rating 7.5 1,603 reviews	Search Air France flights
KLM	PriceFrom $657	Free Cancellation	Rating 7.8 1,527 reviews	Search KLM flights
British Airways	PriceFrom $660	Free Cancellation	Rating 6.7 8,047 reviews	Search British Airways 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.