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

Air Serbia, KLM, and Turkish Airlines are the most popular carriers operating from Romania to Illinois

What airlines fly to Illinois?

Lufthansa, Turkish Airlines and LOT 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 38% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 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 14h 55m 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 25m.

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 8 operators available for flights from Romania to Illinois as of November 2026.

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.

$439 Cheap Flights from Romania to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Romania to Illinois

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One-way

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Recent round-trip flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

2:35 pm - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

11h 55m1 stop Warsaw Frederic Chopin

$758LOT

Tue, Dec 22 - Wed, Jan 6

6:15 am - 3:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

41h 15m2 stops Venice Treviso A. Canova Lisbon Humberto Delgado

7:30 pm - 3:10 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

23h 40m1 stop Belgrade Nikola Tesla

$761Multiple Airlines

Thu, Dec 10 - Sat, Dec 26

2:35 pm - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

11h 55m1 stop Warsaw Frederic Chopin

$767LOT

Fri, Dec 25 - Wed, Jan 20

6:00 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 25m1 stop Amsterdam Schiphol

10:45 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 25m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

$770Delta

Wed, Feb 10 - Wed, Feb 17

9:25 pm - 6:20 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

28h 55m1 stop Istanbul

11:45 am - 9:00 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

13h 15m1 stop Istanbul

$778Turkish Airlines

Sat, Nov 21 - Fri, Dec 4

8:35 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 50m1 stop Amsterdam Schiphol

4:25 pm - 1:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 35m1 stop Amsterdam Schiphol

$782KLM

Thu, Dec 24 - Wed, Jan 20

8:35 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 50m1 stop Amsterdam Schiphol

2:25 pm - 1:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

14h 35m2 stops Boston Logan Intl Amsterdam Schiphol

$782KLM

Thu, Dec 24 - Mon, Jan 18

9:25 pm - 6:20 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

28h 55m1 stop Istanbul

11:45 am - 9:00 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

13h 15m1 stop Istanbul

$784Turkish Airlines

Sat, Nov 21 - Fri, Dec 4

6:25 am - 6:25 pmTSR Timisoara-ORD Chicago O'Hare Intl

20h 00m1 stop Munich Franz Josef Strauss

9:50 pm - 12:45 amORD Chicago O'Hare Intl-TSR Timisoara

18h 55m1 stop Munich Franz Josef Strauss

$872Lufthansa

Wed, Dec 16 - Sat, Jan 16

6:25 am - 6:25 pmTSR Timisoara-ORD Chicago O'Hare Intl

20h 00m1 stop Munich Franz Josef Strauss

9:50 pm - 12:45 amORD Chicago O'Hare Intl-TSR Timisoara

18h 55m1 stop Munich Franz Josef Strauss

$877Lufthansa

Wed, Dec 16 - Sat, Jan 16

Recent last minute flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

6:00 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 25m1 stop Amsterdam Schiphol

9:59 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 11m2 stops Minneapolis St Paul Paris Charles de Gaulle

$870Delta

Sat, Nov 14 - Sun, Nov 22

6:00 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 25m1 stop Amsterdam Schiphol

6:25 pm - 8:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 45m1 stop Paris Charles de Gaulle

$874Multiple Airlines

Sat, Nov 14 - Sun, Nov 22

6:00 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 25m1 stop Amsterdam Schiphol

9:59 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 11m2 stops Minneapolis St Paul Paris Charles de Gaulle

$875Delta

Sat, Nov 14 - Sun, Nov 22

6:00 am - 9:42 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

23h 42m2 stops Amsterdam Schiphol New York John F Kennedy Intl

9:59 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 11m2 stops Minneapolis St Paul Paris Charles de Gaulle

$875Delta

Sat, Nov 14 - Sun, Nov 22

6:00 am - 9:33 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

23h 33m2 stops Amsterdam Schiphol Minneapolis St Paul

9:59 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 11m2 stops Minneapolis St Paul Paris Charles de Gaulle

$880Delta

Sat, Nov 14 - Sun, Nov 22

6:10 am - 7:48 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 38m2 stops Munich Franz Josef Strauss Newark

6:00 pm - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 50m1 stop Munich Franz Josef Strauss

$1,031United Airlines

Wed, Nov 11 - Sat, Feb 6

6:10 am - 7:48 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 38m2 stops Munich Franz Josef Strauss Newark

2:35 pm - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

15h 15m2 stops Boston Logan Intl Munich Franz Josef Strauss

$1,035United Airlines

Wed, Nov 11 - Sat, Feb 6

6:10 am - 6:25 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

20h 15m1 stop Munich Franz Josef Strauss

6:00 pm - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 50m1 stop Munich Franz Josef Strauss

$1,207United Airlines

Wed, Nov 11 - Sat, Feb 6

9:55 am - 6:20 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

16h 25m1 stop Istanbul

8:15 pm - 9:00 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

28h 45m1 stop Istanbul

$1,211Turkish Airlines

Wed, Nov 11 - Sat, Feb 6

2:35 pm - 12:58 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

30h 23m2 stops Munich Franz Josef Strauss San Francisco

6:00 pm - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 50m1 stop Munich Franz Josef Strauss

$1,222United Airlines

Wed, Nov 11 - Sat, Feb 6

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Turkish Airlines flights from Romania to Illinois

Our best Turkish Airlines deals on Romania to Illinois flight tickets

Turkish Airlines

Nov 21

CLJ9:25 pmCluj Napoca

28h 55m

1 stop

ORD6:20 pmChicago O'Hare Intl

Dec 4

ORD11:45 amChicago O'Hare Intl

13h 15m

1 stop

CLJ9:00 amCluj Napoca

$778

Turkish Airlines

Nov 21

CLJ9:25 pmCluj Napoca

28h 55m

1 stop

ORD6:20 pmChicago O'Hare Intl

Dec 4

ORD11:45 amChicago O'Hare Intl

13h 15m

1 stop

CLJ9:00 amCluj Napoca

$784

Turkish Airlines

Nov 20

CLJ9:25 pmCluj Napoca

20h 35m

1 stop

ORD10:00 amChicago O'Hare Intl

Dec 3

ORD11:45 amChicago O'Hare Intl

13h 15m

1 stop

CLJ9:00 amCluj Napoca

$786

United Airlines flights from Romania to Illinois

Our best United Airlines deals on Romania to Illinois flight tickets

United Airlines

Dec 24

CLJ6:10 amCluj Napoca

37h 18m

2 stops

ORD11:28 amChicago O'Hare Intl

Jan 16

ORD6:00 pmChicago O'Hare Intl

11h 50m

1 stop

CLJ1:50 pmCluj Napoca

$877

United Airlines

Jan 30

CLJ6:10 amCluj Napoca

20h 15m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 20

ORD6:20 amChicago O'Hare Intl

23h 30m

2 stops

CLJ1:50 pmCluj Napoca

$879

United Airlines

Dec 21

CLJ6:10 amCluj Napoca

33h 22m

2 stops

ORD7:32 amChicago O'Hare Intl

Jan 18

ORD8:58 amChicago O'Hare Intl

20h 52m

3 stops

CLJ1:50 pmCluj Napoca

$880

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Tue 12/22

2:35 pm-7:55 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 1/6

9:50 pm-5:45 pm

1 stop11h 55m

$758

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Thu 12/10

6:15 am-3:30 pm

2 stops41h 15m

Chicago O'Hare Intl

Sat 12/26

7:30 pm-3:10 am

1 stop23h 40m

$761

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Fri 12/25

2:35 pm-7:55 pm

1 stop13h 20m

Chicago O'Hare Intl

Wed 1/20

9:50 pm-5:45 pm

1 stop11h 55m

$767

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Wed 2/10

6:00 am-2:25 pm

1 stop16h 25m

Chicago O'Hare Intl

Wed 2/17

10:45 am-2:10 pm

2 stops19h 25m

$770

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Sat 11/21

9:25 pm-6:20 pm

1 stop28h 55m

Chicago O'Hare Intl

Fri 12/4

11:45 am-9:00 am

1 stop13h 15m

$778

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Thu 12/24

8:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Wed 1/20

4:25 pm-1:00 pm

1 stop12h 35m

$782

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Thu 12/24

8:35 am-2:25 pm

1 stop13h 50m

Chicago O'Hare Intl

Mon 1/18

2:25 pm-1:00 pm

2 stops14h 35m

$782

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Sat 11/21

9:25 pm-6:20 pm

1 stop28h 55m

Chicago O'Hare Intl

Fri 12/4

11:45 am-9:00 am

1 stop13h 15m

$784

TimisoaraChicago

TSR Timisoara - ORD Chicago O'Hare Intl

TSRORD

Timisoara

Wed 12/16

6:25 am-6:25 pm

1 stop20h 00m

Chicago O'Hare Intl

Sat 1/16

9:50 pm-12:45 am

1 stop18h 55m

$872

TimisoaraChicago

TSR Timisoara - ORD Chicago O'Hare Intl

TSRORD

Timisoara

Wed 12/16

6:25 am-6:25 pm

1 stop20h 00m

Chicago O'Hare Intl

Sat 1/16

9:50 pm-12:45 am

1 stop18h 55m

$877

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 February. Flight prices, which tend to average around $684, 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 $707.

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 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 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 from Romania 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 $848 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 $643 on momondo.

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

There is only 1 cabin class 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	$439
Fastest flight time	14h 55m
Direct flights	None

The best one-way flight to Illinois from Romania in the past 72 hours is $439. The best round-trip flight deal from Romania to Illinois found on momondo in the last 72 hours is $758.

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

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

Search flight deals

Frequently asked questions about flying from Romania to Illinois

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 8 operators available for flights from Romania to Illinois as of November 2026.
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 85.71% of all bookings. The subsequent popular model is Airbus A330-200 at 14.29%.

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
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
SWISS	PriceFrom $601	Free Cancellation	Rating 7.5 2,117 reviews	Search SWISS flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 8,289 reviews	Search Lufthansa flights
LOT	PriceFrom $606	Free Cancellation	Rating 7.5 1,191 reviews	Search LOT flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,467 reviews	Search Turkish Airlines flights
KLM	PriceFrom $657	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
Austrian Airlines	PriceFrom $702	Free Cancellation	Rating 7.5 982 reviews	Search Austrian Airlines 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.