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

HiSky, British Airways, and Iberia are the most popular carriers operating from Romania to Illinois

What airlines fly to Illinois?

Lufthansa, LOT and Turkish Airlines are the top three most popular airlines that fly to Illinois from Romania according to our data. Lufthansa 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 10 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How long is the flight from Romania to Illinois?

The flight from Romania to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Bucharest (a popular airport in Romania) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 16h 15m on average. If you fly from Cluj Napoca (another popular airport in Romania) to Chicago O'Hare Intl Airport, then the average flight time is 16h 35m.

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

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

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

There are 10 operators available for flights from Romania to Illinois as of December 2025.

How old do you have to be to fly from Romania 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 Romania 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.

$369 Cheap Flights from Romania to Illinois in 2025/26

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Find the cheapest flights from Romania to Illinois

Round-trip

One-way

Last minute

Recent round-trip flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

10:10 am - 6:25 pm

OTP

ORD

16h 15m1 stop

11:25 am - 8:10 am

ORD

OTP

12h 45m1 stop

$586Turkish Airlines

Fri, Mar 6 - Tue, Apr 7

10:10 am - 7:25 pm

OTP

ORD

16h 15m1 stop

7:50 pm - 2:35 pm

ORD

OTP

34h 45m1 stop

$592Turkish Airlines

Tue, Mar 24 - Tue, May 5

8:05 am - 6:45 pm

OTP

ORD

18h 40m1 stop

11:44 am - 3:10 pm

ORD

OTP

19h 26m2 stops

$621British Airways

Sat, Jan 24 - Fri, Feb 6

1:55 pm - 8:00 pm

CLJ

ORD

14h 05m1 stop

9:55 pm - 5:35 pm

ORD

CLJ

11h 40m1 stop

$638LOT

Sat, Jan 24 - Fri, Feb 6

1:55 pm - 8:00 pm

CLJ

ORD

14h 05m1 stop

9:55 pm - 5:35 pm

ORD

CLJ

11h 40m1 stop

$641LOT

Sat, Jan 24 - Fri, Feb 6

7:35 am - 7:29 pm

OTP

STL

19h 54m2 stops

2:24 pm - 11:45 pm

STL

OTP

25h 21m2 stops

$649British Airways

Sun, Feb 1 - Sun, Feb 15

2:30 pm - 6:37 pm

SBZ

ORD

36h 07m2 stops

10:40 am - 6:15 pm

ORD

SBZ

23h 35m2 stops

$696United Airlines

Wed, Feb 4 - Wed, Feb 11

2:30 pm - 10:59 pm

SBZ

ORD

16h 29m2 stops

9:50 pm - 6:15 pm

ORD

SBZ

12h 25m1 stop

$697United Airlines

Mon, Feb 2 - Mon, Feb 9

6:00 am - 3:20 pm

CLJ

ORD

17h 20m2 stops

9:50 pm - 12:55 am

ORD

CLJ

19h 05m1 stop

$705Lufthansa

Sat, Jan 24 - Fri, Feb 6

5:55 am - 11:59 pm

OTP

STL

26h 04m2 stops

6:55 pm - 6:35 pm

STL

OTP

15h 40m2 stops

$749Lufthansa

Sun, Feb 1 - Sun, Feb 15

Turkish Airlines flights from Romania to Illinois

Our best Turkish Airlines deals on Romania to Illinois flight tickets

Turkish Airlines

Mar 6

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Apr 7

ORD11:25 amChicago O'Hare Intl

12h 45m

1 stop

OTP8:10 amBucharest Otopeni Intl

$586

Find similar

Turkish Airlines

Mar 24

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD7:25 pmChicago O'Hare Intl

May 5

ORD7:50 pmChicago O'Hare Intl

34h 45m

1 stop

OTP2:35 pmBucharest Otopeni Intl

$592

Find similar

Turkish Airlines

Feb 3

OTP10:10 amBucharest Otopeni Intl

16h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 10

ORD8:20 pmChicago O'Hare Intl

16h 10m

1 stop

OTP8:30 pmBucharest Otopeni Intl

$600

Find similar

British Airways flights from Romania to Illinois

Our best British Airways deals on Romania to Illinois flight tickets

British Airways

Jan 24

OTP8:05 amBucharest Otopeni Intl

16h 55m

1 stop

ORD5:00 pmChicago O'Hare Intl

Feb 6

ORD5:10 pmChicago O'Hare Intl

14h 00m

1 stop

OTP3:10 pmBucharest Otopeni Intl

$621

Find similar

British Airways

Jan 24

OTP8:05 amBucharest Otopeni Intl

19h 24m

2 stops

ORD7:29 pmChicago O'Hare Intl

Feb 6

ORD1:35 pmChicago O'Hare Intl

17h 35m

2 stops

OTP3:10 pmBucharest Otopeni Intl

$626

Find similar

British Airways

Jan 24

OTP8:05 amBucharest Otopeni Intl

23h 22m

2 stops

ORD11:27 pmChicago O'Hare Intl

Feb 6

ORD11:44 amChicago O'Hare Intl

19h 26m

2 stops

OTP3:10 pmBucharest Otopeni Intl

$627

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 3/6

10:10 am-6:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 4/7

11:25 am-8:10 am

1 stop12h 45m

$586

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 3/24

10:10 am-7:25 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 5/5

7:50 pm-2:35 pm

1 stop34h 45m

$592

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/24

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Fri 2/6

11:44 am-3:10 pm

2 stops19h 26m

$621

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-5:35 pm

1 stop11h 40m

$638

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

1:55 pm-8:00 pm

1 stop14h 05m

Chicago O'Hare Intl

Fri 2/6

9:55 pm-5:35 pm

1 stop11h 40m

$641

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 2/1

7:35 am-7:29 pm

2 stops19h 54m

Lambert-St Louis

Sun 2/15

2:24 pm-11:45 pm

2 stops25h 21m

$649

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Wed 2/4

2:30 pm-6:37 pm

2 stops36h 07m

Chicago O'Hare Intl

Wed 2/11

10:40 am-6:15 pm

2 stops23h 35m

$696

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Mon 2/2

2:30 pm-10:59 pm

2 stops16h 29m

Chicago O'Hare Intl

Mon 2/9

9:50 pm-6:15 pm

1 stop12h 25m

$697

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/24

6:00 am-3:20 pm

2 stops17h 20m

Chicago O'Hare Intl

Fri 2/6

9:50 pm-12:55 am

1 stop19h 05m

$705

BucharestSt. Louis

OTP - STL

OTPSTL

Bucharest Otopeni Intl

Sun 2/1

5:55 am-11:59 pm

2 stops26h 04m

Lambert-St Louis

Sun 2/15

6:55 pm-6:35 pm

2 stops15h 40m

$749

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 Romania 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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Romania 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 $641.

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

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

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Romania - 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 Romania 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 Romania for as low as $634 on momondo.

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

There are 2 cabin classes available to choose from on Romania 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 Romania to Illinois flights?

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

Cheap Romania to Illinois flight deals and tips

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

Best Price Found	$249
Fastest flight time	16h 15m
Direct flights	Mon and Fri
Airports in Illinois	98 airports

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

The fastest flight from Romania to Illinois takes 16h 15m

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

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

Search flight deals

When did momondo last update prices for flights from Romania to Illinois?
Prices for flights from Romania to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Romania to Illinois?
There are 10 operators available for flights from Romania to Illinois as of December 2025.
How old do you have to be to fly from Romania 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 Romania 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 Romania to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Romania to Illinois is Airbus A330, representing 100.00% of all bookings.

Best airlines flying from Romania to Illinois

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

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $493	Free Cancellation	Rating 7.3 4,108 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $548	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights
Lufthansa	PriceFrom $554	Free Cancellation	Rating 6.8 7,640 reviews	Search Lufthansa flights
SWISS	PriceFrom $565	Free Cancellation	Rating 7.5 1,817 reviews	Search SWISS flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,429 reviews	Search KLM flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 9,100 reviews	Search United Airlines flights
LOT	PriceFrom $573	Free Cancellation	Rating 7.5 1,153 reviews	Search LOT flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,600 reviews	Search British Airways flights
Air France	PriceFrom $621	Free Cancellation	Rating 7.4 1,509 reviews	Search Air France flights
Delta	PriceFrom $623	Free Cancellation	Rating 7.9 8,021 reviews	Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Romania.

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

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

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

Once you have performed a search for Romania 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 Romania to Illinois right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Romania and alert you when they change.