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

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

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 10m 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 20h 15m.

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 10 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 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 September 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.

$364 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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

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

28h 55m1 stop Istanbul

8:15 pm - 9:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

28h 50m1 stop Istanbul

$696Turkish Airlines

Sun, Nov 8 - Mon, Nov 23

9:25 pm - 7:20 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

29h 55m1 stop Istanbul

8:15 pm - 9:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

28h 50m1 stop Istanbul

$698Turkish Airlines

Sun, Nov 1 - Sat, Nov 14

5:55 am - 12:35 pmTSR Timisoara-ORD Chicago O'Hare Intl

14h 40m1 stop Munich Franz Josef Strauss

9:40 pm - 10:50 pmORD Chicago O'Hare Intl-TSR Timisoara

17h 10m1 stop Munich Franz Josef Strauss

$731Lufthansa

Sun, Oct 11 - Sun, Oct 18

5:55 am - 12:35 pmTSR Timisoara-ORD Chicago O'Hare Intl

14h 40m1 stop Munich Franz Josef Strauss

9:40 pm - 10:50 pmORD Chicago O'Hare Intl-TSR Timisoara

17h 10m1 stop Munich Franz Josef Strauss

$734Lufthansa

Sun, Oct 11 - Sun, Oct 18

3:15 pm - 4:15 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 00m1 stop Zurich

9:50 pm - 1:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 15m1 stop Munich Franz Josef Strauss

$742Multiple Airlines

Mon, Nov 9 - Sun, Nov 22

3:15 pm - 4:15 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 00m1 stop Zurich

9:50 pm - 1:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 15m1 stop Munich Franz Josef Strauss

$750Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

8:35 am - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 40m1 stop Amsterdam Schiphol

5:25 pm - 1:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 35m1 stop Amsterdam Schiphol

$755KLM

Thu, Oct 15 - Thu, Oct 29

7:05 am - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 10m1 stop Amsterdam Schiphol

5:25 pm - 3:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 00m1 stop Amsterdam Schiphol

$756KLM

Thu, Oct 15 - Thu, Oct 29

6:10 am - 2:10 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

16h 00m1 stop Munich Franz Josef Strauss

8:58 am - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

20h 52m3 stops Newark Miami Munich Franz Josef Strauss

$764United Airlines

Thu, Nov 12 - Mon, Jan 18

6:10 am - 2:10 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

16h 00m1 stop Munich Franz Josef Strauss

12:40 pm - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

17h 10m2 stops Newark Munich Franz Josef Strauss

$764United Airlines

Thu, Nov 12 - Mon, Jan 18

Recent last minute flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

6:55 pm - 11:32 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

36h 37m2 stops Vienna Intl Washington, D.C. Dulles Intl

10:50 pm - 1:00 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 10m1 stop Munich Franz Josef Strauss

$779United Airlines

Thu, Oct 1 - Thu, Oct 29

6:55 pm - 11:32 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

36h 37m2 stops Vienna Intl Washington, D.C. Dulles Intl

10:39 am - 12:30 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

18h 51m2 stops Newark Munich Franz Josef Strauss

$779United Airlines

Thu, Oct 1 - Thu, Oct 29

5:55 am - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 15m1 stop Warsaw Frederic Chopin

10:50 pm - 1:45 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 55m1 stop Warsaw Frederic Chopin

$865LOT

Thu, Oct 1 - Sat, Oct 31

8:35 am - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 40m1 stop Amsterdam Schiphol

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

12h 35m1 stop Amsterdam Schiphol

$869KLM

Thu, Oct 1 - Sat, Feb 27

6:05 am - 7:52 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

21h 47m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

7:10 pm - 11:55 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

21h 45m1 stop Frankfurt am Main

$875Lufthansa

Fri, Oct 2 - Fri, Oct 30

6:05 am - 7:52 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

21h 47m2 stops Frankfurt am Main Detroit Metropolitan Wayne County

7:10 pm - 11:55 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

21h 45m1 stop Frankfurt am Main

$876Lufthansa

Fri, Oct 2 - Fri, Oct 30

8:15 am - 3:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 40m1 stop London Heathrow

5:00 pm - 2:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

13h 00m1 stop London Heathrow

$892British Airways

Mon, Sep 28 - Sat, Oct 10

5:35 am - 7:50 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

22h 15m1 stop Warsaw Frederic Chopin

9:50 pm - 11:15 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 25m1 stop Warsaw Frederic Chopin

$906LOT

Tue, Sep 29 - Tue, Oct 20

7:05 am - 4:13 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 08m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

4:50 pm - 5:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 30m1 stop Amsterdam Schiphol

$908KLM

Tue, Sep 29 - Wed, Oct 21

7:15 pm - 5:15 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

42h 00m2 stops Bergamo Orio Al Serio Cairo

3:55 pm - 11:25 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

35h 30m1 stop Dublin

$965Multiple Airlines

Mon, Sep 28 - Mon, Nov 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Lufthansa flights from Romania to Illinois

Our best Lufthansa deals on Romania to Illinois flight tickets

Lufthansa

Oct 11

TSR5:55 amTimisoara

14h 40m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 18

ORD9:40 pmChicago O'Hare Intl

17h 10m

1 stop

TSR10:50 pmTimisoara

$731

Lufthansa

Oct 11

TSR5:55 amTimisoara

14h 40m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 18

ORD9:40 pmChicago O'Hare Intl

17h 10m

1 stop

TSR10:50 pmTimisoara

$734

Lufthansa

Oct 11

TSR5:55 amTimisoara

14h 40m

1 stop

ORD12:35 pmChicago O'Hare Intl

Oct 18

ORD9:40 pmChicago O'Hare Intl

17h 10m

1 stop

TSR10:50 pmTimisoara

$740

KLM flights from Romania to Illinois

Our best KLM deals on Romania to Illinois flight tickets

KLM

Oct 15

OTP8:35 amBucharest Otopeni Intl

13h 40m

1 stop

ORD2:15 pmChicago O'Hare Intl

Oct 29

ORD5:25 pmChicago O'Hare Intl

12h 35m

1 stop

OTP1:00 pmBucharest Otopeni Intl

$755

KLM

Jan 15

OTP6:00 amBucharest Otopeni Intl

19h 34m

2 stops

ORD5:34 pmChicago O'Hare Intl

Jan 20

ORD4:25 pmChicago O'Hare Intl

15h 00m

1 stop

OTP3:25 pmBucharest Otopeni Intl

$786

KLM

Mar 3

OTP8:35 amBucharest Otopeni Intl

17h 35m

2 stops

ORD6:10 pmChicago O'Hare Intl

Mar 8

ORD3:00 pmChicago O'Hare Intl

16h 25m

2 stops

OTP3:25 pmBucharest Otopeni Intl

$787

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Sun 11/8

9:25 pm-6:20 pm

1 stop28h 55m

Chicago O'Hare Intl

Mon 11/23

8:15 pm-9:05 am

1 stop28h 50m

$696

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Sun 11/1

9:25 pm-7:20 pm

1 stop29h 55m

Chicago O'Hare Intl

Sat 11/14

8:15 pm-9:05 am

1 stop28h 50m

$698

TimisoaraChicago

TSR Timisoara - ORD Chicago O'Hare Intl

TSRORD

Timisoara

Sun 10/11

5:55 am-12:35 pm

1 stop14h 40m

Chicago O'Hare Intl

Sun 10/18

9:40 pm-10:50 pm

1 stop17h 10m

$731

TimisoaraChicago

TSR Timisoara - ORD Chicago O'Hare Intl

TSRORD

Timisoara

Sun 10/11

5:55 am-12:35 pm

1 stop14h 40m

Chicago O'Hare Intl

Sun 10/18

9:40 pm-10:50 pm

1 stop17h 10m

$734

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Mon 11/9

3:15 pm-4:15 pm

1 stop33h 00m

Chicago O'Hare Intl

Sun 11/22

9:50 pm-1:05 am

1 stop19h 15m

$742

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Mon 11/2

3:15 pm-4:15 pm

1 stop33h 00m

Chicago O'Hare Intl

Mon 11/16

9:50 pm-1:05 am

1 stop19h 15m

$750

Quickest round-trip

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Thu 10/15

8:35 am-2:15 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 10/29

5:25 pm-1:00 pm

1 stop12h 35m

$755

BucharestChicago

OTP Bucharest Otopeni Intl - ORD Chicago O'Hare Intl

OTPORD

Bucharest Otopeni Intl

Thu 10/15

7:05 am-2:15 pm

1 stop15h 10m

Chicago O'Hare Intl

Thu 10/29

5:25 pm-3:25 pm

1 stop15h 00m

$756

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Thu 11/12

6:10 am-2:10 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 1/18

8:58 am-1:50 pm

3 stops20h 52m

$764

Cluj NapocaChicago

CLJ Cluj Napoca - ORD Chicago O'Hare Intl

CLJORD

Cluj Napoca

Thu 11/12

6:10 am-2:10 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 1/18

12:40 pm-1:50 pm

2 stops17h 10m

$764

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 $679, 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 $714.

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 $864 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	$364
Fastest flight time	14h 10m
Direct flights	None

The best one-way flight to Illinois from Romania in the past 72 hours is $364. The best round-trip flight deal from Romania to Illinois found on momondo in the last 72 hours is $696.

The fastest flight from Romania to Illinois takes 14h 10m

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 10 operators available for flights from Romania to Illinois as of September 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
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
SWISS	PriceFrom $602	Free Cancellation	Rating 7.5 2,084 reviews	Search SWISS flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 8,239 reviews	Search Lufthansa flights
LOT	PriceFrom $606	Free Cancellation	Rating 7.6 1,201 reviews	Search LOT flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,461 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $609	Free Cancellation	Rating 7.4 10,246 reviews	Search United Airlines flights
Air France	PriceFrom $654	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
KLM	PriceFrom $657	Free Cancellation	Rating 7.8 1,578 reviews	Search KLM flights
Austrian Airlines	PriceFrom $702	Free Cancellation	Rating 7.5 973 reviews	Search Austrian Airlines flights
British Airways	PriceFrom $751	Free Cancellation	Rating 6.7 8,236 reviews	Search British Airways 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.