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

HiSky is the most popular carrier operating from Bucharest to Illinois

What airlines fly to Illinois?

LOT, Turkish Airlines 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 47% 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 May 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.

$408 Cheap Flights from Bucharest to Illinois in 2026

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Find the cheapest flights from Bucharest to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:20 am - 7:50 pm

OTP

ORD

19h 30m

1 stop

9:50 pm - 11:15 pm

ORD

OTP

17h 25m

1 stop

$738LOT

Wed, Sep 23 - Wed, Oct 7

3:55 pm - 9:40 am

OTP

ORD

25h 45m

1 stop

11:25 am - 8:10 am

ORD

OTP

12h 45m

1 stop

$739Turkish Airlines

Tue, May 12 - Tue, Aug 11

6:30 pm - 3:10 pm

OTP

ORD

28h 40m

1 stop

9:55 pm - 1:45 am

ORD

OTP

19h 50m

1 stop

$745LOT

Wed, Jun 10 - Wed, Feb 17

5:35 am - 3:10 pm

OTP

ORD

17h 35m

1 stop

10:55 pm - 1:45 am

ORD

OTP

19h 50m

1 stop

$750LOT

Thu, Oct 15 - Thu, Oct 29

8:20 am - 3:10 pm

OTP

ORD

14h 50m

1 stop

5:10 pm - 1:50 pm

ORD

OTP

12h 40m

1 stop

$751LOT

Thu, Jun 25 - Thu, Sep 3

3:55 pm - 9:40 am

OTP

ORD

25h 45m

1 stop

11:25 am - 2:35 pm

ORD

OTP

19h 10m

1 stop

$764Turkish Airlines

Tue, May 12 - Sat, Aug 15

7:05 am - 6:33 pm

OTP

MDW

19h 28m

2 stops

9:22 am - 1:00 pm

MDW

OTP

19h 38m

2 stops

$841Delta

Fri, May 15 - Sun, May 31

7:05 am - 6:33 pm

OTP

MDW

19h 28m

2 stops

9:22 am - 1:00 pm

MDW

OTP

19h 38m

2 stops

$842Delta

Fri, May 15 - Sun, May 31

6:05 am - 1:25 pm

OTP

STL

15h 20m

1 stop

7:05 am - 11:30 pm

STL

OTP

32h 25m

2 stops

$1,120United Airlines

Fri, May 15 - Tue, May 19

5:35 pm - 1:25 pm

OTP

STL

27h 50m

1 stop

1:13 pm - 6:35 pm

STL

OTP

21h 22m

2 stops

$1,213Lufthansa

Thu, May 28 - Thu, Jun 4

Lufthansa flights from Bucharest to Illinois

Our best Lufthansa deals on Bucharest to Illinois flight tickets

Lufthansa

Jun 4

OTP6:05 amBucharest Otopeni Intl

21h 50m

1 stop

ORD7:55 pmChicago O'Hare Intl

Jun 21

ORD6:30 pmChicago O'Hare Intl

21h 10m

1 stop

OTP11:40 pmBucharest Otopeni Intl

$781

Lufthansa

Jun 17

OTP6:05 amBucharest Otopeni Intl

14h 50m

1 stop

ORD12:55 pmChicago O'Hare Intl

Jun 23

ORD6:00 pmChicago O'Hare Intl

23h 10m

1 stop

OTP1:10 amBucharest Otopeni Intl

$823

Lufthansa

May 13

OTP6:05 amBucharest Otopeni Intl

12h 55m

1 stop

ORD11:00 amChicago O'Hare Intl

Aug 11

ORD9:40 pmChicago O'Hare Intl

12h 55m

1 stop

OTP6:35 pmBucharest Otopeni Intl

$835

Air Canada flights from Bucharest to Illinois

Our best Air Canada deals on Bucharest to Illinois flight tickets

Air Canada

Jun 9

OTP6:05 amBucharest Otopeni Intl

22h 00m

2 stops

ORD8:05 pmChicago O'Hare Intl

Jul 9

ORD9:50 amChicago O'Hare Intl

18h 10m

2 stops

OTP12:00 pmBucharest Otopeni Intl

$817

Air Canada

Jun 4

OTP6:05 amBucharest Otopeni Intl

34h 55m

2 stops

ORD9:00 amChicago O'Hare Intl

Jul 9

ORD9:50 amChicago O'Hare Intl

18h 10m

2 stops

OTP12:00 pmBucharest Otopeni Intl

$822

Air Canada

May 15

OTP6:20 amBucharest Otopeni Intl

35h 30m

2 stops

ORD9:50 amChicago O'Hare Intl

Aug 11

ORD8:45 amChicago O'Hare Intl

25h 50m

2 stops

OTP6:35 pmBucharest Otopeni Intl

$826

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/23

8:20 am-7:50 pm

1 stop19h 30m

Chicago O'Hare Intl

Wed 10/7

9:50 pm-11:15 pm

1 stop17h 25m

$738

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 5/12

3:55 pm-9:40 am

1 stop25h 45m

Chicago O'Hare Intl

Tue 8/11

11:25 am-8:10 am

1 stop12h 45m

$739

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 6/10

6:30 pm-3:10 pm

1 stop28h 40m

Chicago O'Hare Intl

Wed 2/17

9:55 pm-1:45 am

1 stop19h 50m

$745

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

10:55 pm-1:45 am

1 stop19h 50m

$750

Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 6/25

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 9/3

5:10 pm-1:50 pm

1 stop12h 40m

$751

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 5/12

3:55 pm-9:40 am

1 stop25h 45m

Chicago O'Hare Intl

Sat 8/15

11:25 am-2:35 pm

1 stop19h 10m

$764

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 5/15

7:05 am-6:33 pm

2 stops19h 28m

Chicago Midway

Sun 5/31

9:22 am-1:00 pm

2 stops19h 38m

$841

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Fri 5/15

7:05 am-6:33 pm

2 stops19h 28m

Chicago Midway

Sun 5/31

9:22 am-1:00 pm

2 stops19h 38m

$842

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Fri 5/15

6:05 am-1:25 pm

1 stop15h 20m

Lambert-St Louis

Tue 5/19

7:05 am-11:30 pm

2 stops32h 25m

$1,120

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 5/28

5:35 pm-1:25 pm

1 stop27h 50m

Lambert-St Louis

Thu 6/4

1:13 pm-6:35 pm

2 stops21h 22m

$1,213

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 June. Flight prices, which tend to average around $243, 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 July is also cheap. Prices for this month can be found on momondo for an average of $281.

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 $608. 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 $756 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 $611 on momondo.

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	$418
Fastest flight time	10h 50m
Direct flights	Mon and Fri
Airports in Illinois	98 airports

The best one-way flight to Illinois from Bucharest in the past 72 hours is $418. The best round-trip flight deal from Bucharest to Illinois found on momondo in the last 72 hours is $836.

The fastest flight from Bucharest to Illinois takes 10h 50m

Direct flights go from Bucharest to Illinois on Monday and Friday. The only airline offering direct flights is HiSky.

There are 98 airports in Illinois. From Bucharest there are direct flights to Chicago O'Hare Intl (ORD).

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 May 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 100.00% of all bookings.

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
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 9,682 reviews	Search United Airlines flights
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 7,972 reviews	Search Lufthansa flights
KLM	PriceFrom $606	Free Cancellation	Rating 7.8 1,511 reviews	Search KLM flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,344 reviews	Search Turkish Airlines flights
LOT	PriceFrom $611	Free Cancellation	Rating 7.5 1,192 reviews	Search LOT flights
British Airways	PriceFrom $622	Free Cancellation	Rating 6.7 7,943 reviews	Search British Airways 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.