What airlines fly to Illinois?

LOT, British Airways and KLM are the top three most popular airlines that fly to Illinois from Bucharest according to our data. LOT is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 9 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Air Serbia, British Airways, and SWISS are the most popular carriers operating from Bucharest to Illinois

When did momondo last update prices for flights from Bucharest to Illinois?

Prices for flights from Bucharest to Illinois are refreshed on a daily basis.

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

There are 9 operators available for flights from Bucharest to Illinois as of September 2025.

How old do you have to be to fly from Bucharest to Illinois?

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 to Illinois.

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

The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$356 Cheap Flights from Bucharest to Illinois in 2025

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Find the cheapest flights from Bucharest to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

9:30 am - 12:45 pmOTP-ORD

35h 15m1 stop

8:15 pm - 11:25 pmORD-OTP

19h 10m2 stops

$626

Find Deal

Mon, Nov 3 - Fri, Nov 7

8:05 am - 6:45 pmOTP-ORD

18h 40m1 stop

9:45 pm - 8:00 pmORD-OTP

14h 15m1 stop

$633British Airways

Find Deal

Wed, Nov 26 - Wed, Dec 3

8:05 am - 5:00 pmOTP-ORD

16h 55m1 stop

8:45 pm - 11:45 pmORD-OTP

19h 00m1 stop

$634American Airlines

Find Deal

Wed, Feb 18 - Sun, Feb 22

8:25 am - 5:00 pmOTP-ORD

16h 35m1 stop

8:40 pm - 8:20 pmORD-OTP

15h 40m1 stop

$636American Airlines

Find Deal

Thu, Sep 25 - Wed, Oct 8

4:10 pm - 6:45 pmOTP-ORD

34h 35m1 stop

5:10 pm - 11:45 pmORD-OTP

22h 35m1 stop

$637British Airways

Find Deal

Sun, Nov 30 - Sun, Dec 14

6:15 pm - 12:05 pmOTP-ORD

25h 50m1 stop

9:40 pm - 11:10 pmORD-OTP

17h 30m1 stop

$652LOT

Find Deal

Sat, Sep 27 - Sat, Oct 11

6:15 pm - 12:05 pmOTP-ORD

25h 50m1 stop

9:40 pm - 5:45 pmORD-OTP

12h 05m1 stop

$653LOT

Find Deal

Sat, Sep 27 - Sat, Oct 11

9:50 pm - 6:25 pmOTP-ORD

28h 35m1 stop

11:50 am - 8:30 pmORD-OTP

24h 40m1 stop

$688Turkish Airlines

Find Deal

Mon, Nov 3 - Fri, Nov 7

4:10 pm - 3:55 pmOTP-ORD

31h 45m1 stop

7:05 pm - 3:20 pmORD-OTP

12h 15m1 stop

$732SWISS

Find Deal

Thu, Oct 9 - Tue, Oct 21

4:40 pm - 4:20 pmOTP-ORD

31h 40m1 stop

2:20 pm - 1:05 pmORD-OTP

14h 45m1 stop

$739SWISS

Find Deal

Tue, Jan 6 - Tue, Jun 9

British Airways flights from Bucharest to Illinois

Our best British Airways deals on Bucharest to Illinois flight tickets

British Airways

Nov 26

OTP8:05 amBucharest Otopeni Intl

18h 40m

1 stop

ORD6:45 pmChicago O'Hare Intl

Dec 3

ORD9:45 pmChicago O'Hare Intl

14h 15m

1 stop

OTP8:00 pmBucharest Otopeni Intl

$633

Find similar

British Airways

Nov 30

OTP4:10 pmBucharest Otopeni Intl

34h 35m

1 stop

ORD6:45 pmChicago O'Hare Intl

Dec 14

ORD5:10 pmChicago O'Hare Intl

22h 35m

1 stop

OTP11:45 pmBucharest Otopeni Intl

$637

Find similar

British Airways

Dec 26

OTP8:00 amBucharest Otopeni Intl

18h 45m

1 stop

ORD6:45 pmChicago O'Hare Intl

Jan 29

ORD5:10 pmChicago O'Hare Intl

22h 35m

1 stop

OTP11:45 pmBucharest Otopeni Intl

$638

Find similar

American Airlines flights from Bucharest to Illinois

Our best American Airlines deals on Bucharest to Illinois flight tickets

American Airlines

Feb 18

OTP8:05 amBucharest Otopeni Intl

16h 55m

1 stop

ORD5:00 pmChicago O'Hare Intl

Feb 22

ORD8:45 pmChicago O'Hare Intl

19h 00m

1 stop

OTP11:45 pmBucharest Otopeni Intl

$634

Find similar

American Airlines

Sep 11

OTP8:25 amBucharest Otopeni Intl

14h 25m

1 stop

ORD2:50 pmChicago O'Hare Intl

Sep 24

ORD10:35 pmChicago O'Hare Intl

17h 50m

1 stop

OTP12:25 amBucharest Otopeni Intl

$635

Find similar

American Airlines

Sep 25

OTP8:25 amBucharest Otopeni Intl

16h 35m

1 stop

ORD5:00 pmChicago O'Hare Intl

Oct 8

ORD8:40 pmChicago O'Hare Intl

15h 40m

1 stop

OTP8:20 pmBucharest Otopeni Intl

$636

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 11/3

9:30 am-12:45 pm

1 stop35h 15m

Chicago O'Hare Intl

Fri 11/7

8:15 pm-11:25 pm

2 stops19h 10m

$626

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/26

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Wed 12/3

9:45 pm-8:00 pm

1 stop14h 15m

$633

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

8:05 am-5:00 pm

1 stop16h 55m

Chicago O'Hare Intl

Sun 2/22

8:45 pm-11:45 pm

1 stop19h 00m

$634

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/25

8:25 am-5:00 pm

1 stop16h 35m

Chicago O'Hare Intl

Wed 10/8

8:40 pm-8:20 pm

1 stop15h 40m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 11/30

4:10 pm-6:45 pm

1 stop34h 35m

Chicago O'Hare Intl

Sun 12/14

5:10 pm-11:45 pm

1 stop22h 35m

$637

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 9/27

6:15 pm-12:05 pm

1 stop25h 50m

Chicago O'Hare Intl

Sat 10/11

9:40 pm-11:10 pm

1 stop17h 30m

$652

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 9/27

6:15 pm-12:05 pm

1 stop25h 50m

Chicago O'Hare Intl

Sat 10/11

9:40 pm-5:45 pm

1 stop12h 05m

$653

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 11/3

9:50 pm-6:25 pm

1 stop28h 35m

Chicago O'Hare Intl

Fri 11/7

11:50 am-8:30 pm

1 stop24h 40m

$688

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 10/9

4:10 pm-3:55 pm

1 stop31h 45m

Chicago O'Hare Intl

Tue 10/21

7:05 pm-3:20 pm

1 stop12h 15m

$732

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 1/6

4:40 pm-4:20 pm

1 stop31h 40m

Chicago O'Hare Intl

Tue 6/9

2:20 pm-1:05 pm

1 stop14h 45m

$739

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 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 is in February. Flight prices, which tend to average around $598, 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 February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $646.

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

The cheapest day to depart from Bucharest to Illinois is on a Tuesday when prices can be found for as low as $676. Flights from Bucharest 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 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.

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

You are more likely to see cheaper flights to Illinois from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $686 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Bucharest for as low as $596 on momondo.

Cheap Bucharest to Illinois flight deals and tips

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

Direct flights	None

There are no direct flights from Bucharest to Illinois. There are no popular flight routes from Bucharest to Illinois.

Search flight deals

When did momondo last update prices for flights from Bucharest to Illinois?
Prices for flights from Bucharest to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Bucharest to Illinois?
There are 9 operators available for flights from Bucharest to Illinois as of September 2025.
How old do you have to be to fly from Bucharest to Illinois?
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 to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Bucharest to Illinois

Compare and see reviews for airlines that fly from Bucharest to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $336	Free Cancellation	Rating 7.3 3,953 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $548	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.8 1,382 reviews	Search KLM flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 8,937 reviews	Search United Airlines flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,344 reviews	Search British Airways flights
Air France	PriceFrom $581	Free Cancellation	Rating 7.4 1,469 reviews	Search Air France flights
LOT	PriceFrom $583	Free Cancellation	Rating 7.6 1,112 reviews	Search LOT flights
Lufthansa	PriceFrom $592	Free Cancellation	Rating 6.8 7,385 reviews	Search Lufthansa flights
Delta	PriceFrom $604	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights

Why use momondo?

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

Finding the right flight to Illinois from Bucharest is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

All flight searches from Bucharest to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Bucharest to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Illinois from Bucharest are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.