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

Lufthansa and Qatar Airways are the most popular carriers operating from Bucharest to Illinois

What airlines fly to Illinois?

LOT, Lufthansa and Turkish Airlines 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 34% 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.

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 7 operators available for flights from Bucharest to Illinois as of August 2026.

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.

$379 Cheap Flights from Bucharest to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Bucharest to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:30 pm - 3:10 pm-

28h 40m

9:50 pm - 5:45 pm-

11h 55m

$759LOT

Thu, Sep 3 - Wed, Sep 9

5:35 am - 3:10 pm-

17h 35m

10:50 pm - 5:40 pm-

11h 50m

$764LOT

Thu, Oct 15 - Thu, Oct 29

6:50 pm - 6:15 pm-

31h 25m

7:25 pm - 12:40 am-

21h 15m

$764Multiple Airlines

Thu, Sep 17 - Thu, Sep 24

6:00 am - 12:05 pm-

13h 05m

6:50 pm - 3:50 pm-

13h 00m

$765Multiple Airlines

Sat, Oct 31 - Tue, Nov 10

6:05 am - 12:55 pm-

14h 50m

10:50 pm - 1:00 am-

19h 10m

$769Lufthansa

Wed, Sep 30 - Sat, Oct 31

6:05 am - 12:55 pm-

14h 50m

9:50 pm - 6:30 pm-

12h 40m

$769Lufthansa

Wed, Sep 30 - Sun, Nov 1

8:35 am - 6:01 pm-

17h 26m

5:37 pm - 5:20 pm-

15h 43m

$784KLM

Thu, Sep 3 - Wed, Sep 9

7:05 am - 2:15 pm-

15h 10m

4:25 pm - 3:25 pm-

15h 00m

$841KLM

Tue, Sep 29 - Sat, Mar 13

8:10 am - 3:00 pm-

14h 50m

1:31 pm - 3:45 pm-

19h 14m

$848British Airways

Sun, Oct 18 - Wed, Oct 28

8:15 am - 7:39 pm-

19h 24m

6:57 pm - 12:20 am-

21h 23m

$865British Airways

Thu, Sep 17 - Wed, Sep 30

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United Airlines flights from Bucharest to Illinois

Our best United Airlines deals on Bucharest to Illinois flight tickets

United Airlines

Sep 17

OTP6:05 amBucharest Otopeni Intl

21h 50m

1 stop

ORD7:55 pmChicago O'Hare Intl

Sep 24

ORD12:55 pmChicago O'Hare Intl

21h 40m

2 stops

OTP6:35 pmBucharest Otopeni Intl

$769

United Airlines

Sep 17

OTP6:05 amBucharest Otopeni Intl

21h 50m

1 stop

ORD7:55 pmChicago O'Hare Intl

Sep 25

ORD7:00 amChicago O'Hare Intl

22h 10m

2 stops

OTP1:10 pmBucharest Otopeni Intl

$770

United Airlines

Sep 11

OTP6:05 amBucharest Otopeni Intl

21h 50m

1 stop

ORD7:55 pmChicago O'Hare Intl

Sep 18

ORD12:55 pmChicago O'Hare Intl

15h 30m

2 stops

OTP12:25 pmBucharest Otopeni Intl

$771

SWISS flights from Bucharest to Illinois

Our best SWISS deals on Bucharest to Illinois flight tickets

SWISS

Sep 8

OTP4:10 pmBucharest Otopeni Intl

28h 45m

1 stop

ORD12:55 pmChicago O'Hare Intl

Sep 17

ORD2:20 pmChicago O'Hare Intl

26h 50m

1 stop

OTP1:10 amBucharest Otopeni Intl

$772

SWISS

Sep 7

OTP6:20 amBucharest Otopeni Intl

14h 15m

1 stop

ORD12:35 pmChicago O'Hare Intl

Sep 14

ORD9:35 pmChicago O'Hare Intl

19h 35m

2 stops

OTP1:10 amBucharest Otopeni Intl

$814

SWISS

Sep 8

OTP6:20 amBucharest Otopeni Intl

19h 45m

2 stops

ORD6:05 pmChicago O'Hare Intl

Sep 16

ORD3:50 pmChicago O'Hare Intl

25h 20m

1 stop

OTP1:10 amBucharest Otopeni Intl

$818

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/3

6:30 pm-3:10 pm

2 stops28h 40m

Chicago O'Hare Intl

Wed 9/9

9:50 pm-5:45 pm

1 stop11h 55m

$759

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

10:50 pm-5:40 pm

1 stop11h 50m

$764

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/17

6:50 pm-6:15 pm

2 stops31h 25m

Chicago O'Hare Intl

Thu 9/24

7:25 pm-12:40 am

2 stops21h 15m

$764

Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 10/31

6:00 am-12:05 pm

1 stop13h 05m

Chicago O'Hare Intl

Tue 11/10

6:50 pm-3:50 pm

1 stop13h 00m

$765

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/30

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 10/31

10:50 pm-1:00 am

1 stop19h 10m

$769

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/30

6:05 am-12:55 pm

1 stop14h 50m

Chicago O'Hare Intl

Sun 11/1

9:50 pm-6:30 pm

1 stop12h 40m

$769

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 9/3

8:35 am-6:01 pm

2 stops17h 26m

Chicago Midway

Wed 9/9

5:37 pm-5:20 pm

2 stops15h 43m

$784

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/29

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Sat 3/13

4:25 pm-3:25 pm

1 stop15h 00m

$841

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 10/18

8:10 am-3:00 pm

1 stop14h 50m

Chicago O'Hare Intl

Wed 10/28

1:31 pm-3:45 pm

2 stops19h 14m

$848

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/17

8:15 am-7:39 pm

2 stops19h 24m

Chicago O'Hare Intl

Wed 9/30

6:57 pm-12:20 am

2 stops21h 23m

$865

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 $658, 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 March is also cheap. Prices for this month can be found on momondo for an average of $697.

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

The cheapest day to depart from Bucharest to Illinois is on a Saturday when prices can be found for as low as $469. Flights from Bucharest 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 to Illinois flight route?

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

How far in advance should I book a flight from Bucharest 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 $814 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 $589 on momondo.

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

There is only 1 cabin class available to choose from on Bucharest 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 to Illinois flights?

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

Cheap Bucharest to Illinois flight deals and tips

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

Best Price Found	$868
Fastest flight time	14h 15m
Direct flights	None

The best flight deal from Bucharest to Illinois found on momondo in the last 72 hours is $868

The fastest flight from Bucharest to Illinois takes 14h 15m

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

Search flight deals

Frequently asked questions about flying 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 7 operators available for flights from Bucharest to Illinois as of August 2026.
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.
What is the most popular plane model from Bucharest to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Bucharest to Illinois is Airbus A330, representing 62.50% of all bookings. The subsequent popular model is Airbus A330-200 at 37.50%.

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
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
Air France	PriceFrom $654	Free Cancellation	Rating 7.5 1,632 reviews	Search Air France flights
KLM	PriceFrom $657	Free Cancellation	Rating 7.8 1,552 reviews	Search KLM flights
British Airways	PriceFrom $660	Free Cancellation	Rating 6.7 8,147 reviews	Search British Airways flights
LOT	PriceFrom $662	Free Cancellation	Rating 7.6 1,212 reviews	Search LOT 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.