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

HiSky, British Airways, and Lufthansa are the most popular carriers operating from Bucharest to Illinois

What airlines fly to Illinois?

LOT, KLM 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 45% 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 March 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.

$348 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.

5:35 am - 7:50 pm

OTP

ORD

22h 15m

1 stop

9:50 pm - 11:15 pm

ORD

OTP

17h 25m

1 stop

$686LOT

Sat, Jun 20 - Sat, Aug 8

9:00 am - 11:50 am

OTP

ORD

10h 50mnonstop

3:35 pm - 12:00 pm

ORD

OTP

12h 25m

1 stop

$689Multiple Airlines

Sun, Aug 23 - Sun, Sep 13

7:05 am - 5:54 pm

OTP

MDW

18h 49m

2 stops

9:29 am - 12:25 pm

MDW

OTP

18h 56m

2 stops

$748Delta

Thu, Apr 9 - Fri, Apr 24

7:05 am - 5:58 pm

OTP

MDW

18h 53m

2 stops

1:22 pm - 5:20 pm

MDW

OTP

19h 58m

2 stops

$749Delta

Mon, May 4 - Mon, May 11

6:05 am - 1:25 pm

OTP

STL

15h 20m

1 stop

8:46 am - 1:10 am

STL

OTP

32h 24m

2 stops

$805United Airlines

Wed, May 6 - Tue, May 12

6:05 am - 8:25 pm

OTP

STL

22h 20m

2 stops

8:46 am - 1:10 am

STL

OTP

32h 24m

2 stops

$809United Airlines

Wed, May 6 - Tue, May 12

6:05 am - 8:25 pm

OTP

STL

22h 20m

2 stops

1:05 pm - 6:35 pm

STL

OTP

21h 30m

2 stops

$813Air Canada

Wed, May 6 - Wed, May 13

6:05 am - 4:39 pm

OTP

STL

18h 34m

2 stops

11:34 am - 12:00 pm

STL

OTP

16h 26m

2 stops

$815Lufthansa

Tue, May 5 - Tue, May 12

6:20 am - 8:25 pm

OTP

STL

22h 05m

2 stops

1:05 pm - 6:35 pm

STL

OTP

21h 30m

2 stops

$821Air Canada

Thu, May 7 - Wed, May 13

5:15 pm - 1:25 pm

OTP

STL

28h 10m

1 stop

11:34 am - 12:00 pm

STL

OTP

16h 26m

2 stops

$829Lufthansa

Tue, May 5 - Tue, May 12

Delta flights from Bucharest to Illinois

Our best Delta deals on Bucharest to Illinois flight tickets

Delta

May 4

OTP7:05 amBucharest Otopeni Intl

15h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

May 11

ORD10:30 amChicago O'Hare Intl

18h 15m

2 stops

OTP12:45 pmBucharest Otopeni Intl

$738

Delta

Apr 6

OTP7:05 amBucharest Otopeni Intl

15h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

Apr 19

ORD1:36 pmChicago O'Hare Intl

19h 44m

2 stops

OTP5:20 pmBucharest Otopeni Intl

$748

Delta

Apr 11

OTP7:05 amBucharest Otopeni Intl

20h 44m

2 stops

ORD7:49 pmChicago O'Hare Intl

Apr 24

ORD4:20 pmChicago O'Hare Intl

17h 20m

1 stop

OTP5:40 pmBucharest Otopeni Intl

$749

LOT flights from Bucharest to Illinois

Our best LOT deals on Bucharest to Illinois flight tickets

LOT

Jun 20

OTP5:35 amBucharest Otopeni Intl

22h 15m

1 stop

ORD7:50 pmChicago O'Hare Intl

Aug 8

ORD9:50 pmChicago O'Hare Intl

17h 25m

1 stop

OTP11:15 pmBucharest Otopeni Intl

$686

LOT

Apr 4

OTP5:35 amBucharest Otopeni Intl

17h 35m

1 stop

ORD3:10 pmChicago O'Hare Intl

Apr 19

ORD5:10 pmChicago O'Hare Intl

24h 40m

1 stop

OTP1:50 amBucharest Otopeni Intl

$690

LOT

Sep 2

OTP8:20 amBucharest Otopeni Intl

19h 30m

1 stop

ORD7:50 pmChicago O'Hare Intl

Sep 25

ORD9:50 pmChicago O'Hare Intl

11h 55m

1 stop

OTP5:45 pmBucharest Otopeni Intl

$691

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 6/20

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Sat 8/8

9:50 pm-11:15 pm

1 stop17h 25m

$686

Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 8/23

9:00 am-11:50 am

Nonstop10h 50m

Chicago O'Hare Intl

Sun 9/13

3:35 pm-12:00 pm

1 stop12h 25m

$689

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/9

7:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Fri 4/24

9:29 am-12:25 pm

2 stops18h 56m

$748

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Mon 5/4

7:05 am-5:58 pm

2 stops18h 53m

Chicago Midway

Mon 5/11

1:22 pm-5:20 pm

2 stops19h 58m

$749

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 5/6

6:05 am-1:25 pm

1 stop15h 20m

Lambert-St Louis

Tue 5/12

8:46 am-1:10 am

2 stops32h 24m

$805

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 5/6

6:05 am-8:25 pm

2 stops22h 20m

Lambert-St Louis

Tue 5/12

8:46 am-1:10 am

2 stops32h 24m

$809

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Wed 5/6

6:05 am-8:25 pm

2 stops22h 20m

Lambert-St Louis

Wed 5/13

1:05 pm-6:35 pm

2 stops21h 30m

$813

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Tue 5/5

6:05 am-4:39 pm

2 stops18h 34m

Lambert-St Louis

Tue 5/12

11:34 am-12:00 pm

2 stops16h 26m

$815

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Thu 5/7

6:20 am-8:25 pm

2 stops22h 05m

Lambert-St Louis

Wed 5/13

1:05 pm-6:35 pm

2 stops21h 30m

$821

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Tue 5/5

5:15 pm-1:25 pm

1 stop28h 10m

Lambert-St Louis

Tue 5/12

11:34 am-12:00 pm

2 stops16h 26m

$829

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 September. Flight prices, which tend to average around $616, 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 September, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $663.

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 $479. 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 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 $741 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.

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

There are 2 cabin classes 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

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

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

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 March 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 9,459 reviews	Search United Airlines flights
Turkish Airlines	PriceFrom $336	Free Cancellation	Rating 7.3 4,272 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $595	Free Cancellation	Rating 7.1 11,488 reviews	Search American Airlines flights
LOT	PriceFrom $602	Free Cancellation	Rating 7.5 1,184 reviews	Search LOT flights
British Airways	PriceFrom $602	Free Cancellation	Rating 6.7 7,811 reviews	Search British Airways flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 7,862 reviews	Search Lufthansa flights
KLM	PriceFrom $612	Free Cancellation	Rating 7.8 1,477 reviews	Search KLM 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.