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

LOT, United Airlines, and Austrian Airlines are the most popular carriers operating from Bucharest to Illinois

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 42% 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.

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 December 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.

$410 Cheap Flights from Bucharest to Illinois in 2025/26

1 adult

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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.

6:25 pm - 7:55 pm

OTP

ORD

57h 30m2 stops

10:55 pm - 5:45 pm

ORD

OTP

34h 50m1 stop

$641LOT

sáb., mar. 7 - sáb., mar. 28

10:10 am - 10:05 am

OTP

ORD

31h 55m1 stop

11:50 am - 8:50 am

ORD

OTP

13h 00m1 stop

$646Turkish Airlines

vie., feb. 6 - dom., feb. 8

10:10 am - 6:25 pm

OTP

ORD

16h 15m1 stop

8:20 pm - 2:10 pm

ORD

OTP

33h 50m1 stop

$647Turkish Airlines

vie., feb. 6 - dom., feb. 8

10:10 am - 6:25 pm

OTP

ORD

16h 15m1 stop

11:25 am - 8:25 pm

ORD

OTP

25h 00m1 stop

$648Turkish Airlines

jue., mar. 5 - dom., mar. 29

9:45 pm - 9:40 am

OTP

ORD

19h 55m1 stop

11:25 am - 8:10 am

ORD

OTP

12h 45m1 stop

$649Turkish Airlines

mar., abr. 14 - sáb., may. 2

6:00 am - 6:36 pm

OTP

MDW

20h 36m2 stops

10:49 am - 12:10 pm

MDW

OTP

17h 21m2 stops

$698Delta

dom., feb. 1 - mar., mar. 31

6:05 am - 5:40 pm

OTP

MDW

19h 35m2 stops

9:32 am - 1:00 pm

MDW

OTP

19h 28m2 stops

$709Delta

dom., mar. 8 - dom., mar. 29

6:00 am - 4:16 pm

OTP

MDW

18h 16m2 stops

1:28 pm - 1:00 pm

MDW

OTP

15h 32m2 stops

$747KLM

sáb., ene. 24 - sáb., feb. 21

5:55 am - 8:05 pm

OTP

STL

22h 10m2 stops

5:18 pm - 1:00 am

STL

OTP

23h 42m2 stops

$951United Airlines

lun., may. 4 - sáb., may. 9

3:30 pm - 7:30 pm

OTP

STL

36h 00m1 stop

12:06 pm - 2:00 pm

STL

OTP

17h 54m2 stops

$1,257Multiple Airlines

lun., may. 4 - sáb., may. 9

Delta flights from Bucharest to Illinois

Our best Delta deals on Bucharest to Illinois flight tickets

Delta

Jan 24

OTP6:00 amBucharest Otopeni Intl

16h 20m

1 stop

ORD2:20 pmChicago O'Hare Intl

Feb 6

ORD10:29 amChicago O'Hare Intl

19h 21m

2 stops

OTP1:50 pmBucharest Otopeni Intl

$692

Find similar

Delta

Jan 24

OTP6:00 amBucharest Otopeni Intl

19h 55m

2 stops

ORD5:55 pmChicago O'Hare Intl

Feb 6

ORD10:29 amChicago O'Hare Intl

19h 21m

2 stops

OTP1:50 pmBucharest Otopeni Intl

$698

Find similar

Delta

Mar 8

OTP6:05 amBucharest Otopeni Intl

19h 35m

2 stops

MDW5:40 pmChicago Midway

Mar 29

MDW9:32 amChicago Midway

19h 28m

2 stops

OTP1:00 pmBucharest Otopeni Intl

$709

Find similar

Turkish Airlines flights from Bucharest to Illinois

Our best Turkish Airlines deals on Bucharest to Illinois flight tickets

Turkish Airlines

Feb 6

OTP10:10 amBucharest Otopeni Intl

31h 55m

1 stop

ORD10:05 amChicago O'Hare Intl

Feb 8

ORD11:50 amChicago O'Hare Intl

13h 00m

1 stop

OTP8:50 amBucharest Otopeni Intl

$646

Find similar

Turkish Airlines

Feb 6

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 8

ORD8:20 pmChicago O'Hare Intl

33h 50m

1 stop

OTP2:10 pmBucharest Otopeni Intl

$647

Find similar

Turkish Airlines

Mar 5

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Mar 29

ORD11:25 amChicago O'Hare Intl

25h 00m

1 stop

OTP8:25 pmBucharest Otopeni Intl

$648

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

sáb. 3/7

6:25 pm-7:55 pm

2 stops57h 30m

Chicago O'Hare Intl

sáb. 3/28

10:55 pm-5:45 pm

1 stop34h 50m

$641

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 2/6

10:10 am-10:05 am

1 stop31h 55m

Chicago O'Hare Intl

dom. 2/8

11:50 am-8:50 am

1 stop13h 00m

$646

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

vie. 2/6

10:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

dom. 2/8

8:20 pm-2:10 pm

1 stop33h 50m

$647

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

jue. 3/5

10:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

dom. 3/29

11:25 am-8:25 pm

1 stop25h 00m

$648

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 4/14

9:45 pm-9:40 am

1 stop19h 55m

Chicago O'Hare Intl

sáb. 5/2

11:25 am-8:10 am

1 stop12h 45m

$649

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

dom. 2/1

6:00 am-6:36 pm

2 stops20h 36m

Chicago Midway

mar. 3/31

10:49 am-12:10 pm

2 stops17h 21m

$698

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

dom. 3/8

6:05 am-5:40 pm

2 stops19h 35m

Chicago Midway

dom. 3/29

9:32 am-1:00 pm

2 stops19h 28m

$709

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

sáb. 1/24

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

sáb. 2/21

1:28 pm-1:00 pm

2 stops15h 32m

$747

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

lun. 5/4

5:55 am-8:05 pm

2 stops22h 10m

Lambert-St Louis

sáb. 5/9

5:18 pm-1:00 am

2 stops23h 42m

$951

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

lun. 5/4

3:30 pm-7:30 pm

1 stop36h 00m

Lambert-St Louis

sáb. 5/9

12:06 pm-2:00 pm

2 stops17h 54m

$1,257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 February is also cheap. Prices for this month can be found on momondo for an average of $617.

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 Monday will generally be more expensive and average around $730. 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 morning. Flights from Bucharest to Illinois during this time can be as low as $469. Flights in the evening are often more expensive with an average ticket price of $802.

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 $714 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 $634 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

Best Price Found	$249
Fastest flight time	14h 55m
Direct flights	None

The best one-way flight to Illinois from Bucharest in the past 72 hours is $249. The best round-trip flight deal from Bucharest to Illinois found on momondo in the last 72 hours is $462.

The fastest flight from Bucharest to Illinois takes 14h 55m

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 December 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.
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
Turkish Airlines	PriceFrom $493	Free Cancellation	Rating 7.3 4,100 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $548	Free Cancellation	Rating 7.2 11,048 reviews	Search American Airlines flights
Lufthansa	PriceFrom $565	Free Cancellation	Rating 6.8 7,631 reviews	Search Lufthansa flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,580 reviews	Search British Airways flights
LOT	PriceFrom $584	Free Cancellation	Rating 7.6 1,147 reviews	Search LOT flights
Air France	PriceFrom $621	Free Cancellation	Rating 7.4 1,506 reviews	Search Air France flights
Delta	PriceFrom $623	Free Cancellation	Rating 7.9 8,010 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.