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

HiSky, British Airways, and Delta 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 10h 50m 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 14h 35m.

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 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 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 9 operators available for flights from Romania to Illinois as of May 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.

$410 Cheap Flights from Romania to Illinois in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Romania to Illinois

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Romania to Illinois

Enter your travel dates to find the best prices.

6:00 am - 2:00 pm

CLJ

ORD

16h 00m

1 stop

9:40 pm - 12:30 am

ORD

CLJ

18h 50m

1 stop

$711Lufthansa

Sat, Jul 25 - Sat, Aug 15

9:40 pm - 9:40 am

OTP

ORD

20h 00m

1 stop

8:10 pm - 8:10 am

ORD

OTP

28h 00m

1 stop

$719Turkish Airlines

Sun, May 24 - Sat, Aug 1

9:00 am - 11:50 am

OTP

ORD

10h 50mnonstop

2:20 pm - 3:20 pm

ORD

OTP

17h 00m

1 stop

$734Multiple Airlines

Sun, Aug 16 - Mon, Sep 7

6:20 am - 12:35 pm

OTP

ORD

14h 15m

1 stop

7:05 pm - 1:10 am

ORD

OTP

22h 05m

1 stop

$737SWISS

Fri, Jun 26 - Sun, Jul 12

9:00 am - 11:50 am

OTP

ORD

10h 50mnonstop

2:20 pm - 3:20 pm

ORD

OTP

17h 00m

1 stop

$747Multiple Airlines

Thu, Aug 20 - Mon, Sep 7

9:05 pm - 9:40 am

CLJ

ORD

20h 35m

1 stop

8:10 pm - 9:05 am

ORD

CLJ

28h 55m

1 stop

$763Turkish Airlines

Sun, May 24 - Sat, Aug 1

4:10 pm - 2:55 pm

SBZ

ORD

30h 45m

2 stops

6:00 pm - 1:05 am

ORD

SBZ

23h 05m

2 stops

$839Lufthansa

Tue, Jun 9 - Thu, Jul 2

5:20 am - 1:20 pm

IAS

ORD

16h 00m

1 stop

4:20 pm - 1:20 am

ORD

IAS

25h 00m

1 stop

$993Austrian Airlines

Mon, Jul 20 - Mon, Aug 17

1:50 pm - 10:00 pm

CLJ

STL

16h 10m

2 stops

7:00 am - 1:10 pm

STL

CLJ

22h 10m

3 stops

$1,131United Airlines

Thu, Aug 27 - Mon, Aug 31

1:50 pm - 9:22 pm

CLJ

STL

15h 32m

2 stops

7:01 am - 1:10 pm

STL

CLJ

22h 09m

3 stops

$1,132United Airlines

Thu, Aug 27 - Mon, Aug 31

HiSky flights from Romania to Illinois

Our best HiSky deals on Romania to Illinois flight tickets

HiSky

Jul 9

OTP9:00 amBucharest Otopeni Intl

10h 50m

ORD11:50 amChicago O'Hare Intl

Jul 23

ORD1:20 pmChicago O'Hare Intl

9h 50m

OTP7:10 amBucharest Otopeni Intl

$831

HiSky

Aug 20

OTP9:00 amBucharest Otopeni Intl

10h 50m

ORD11:50 amChicago O'Hare Intl

Sep 10

ORD1:20 pmChicago O'Hare Intl

9h 50m

OTP7:10 amBucharest Otopeni Intl

$833

United Airlines flights from Romania to Illinois

Our best United Airlines deals on Romania to Illinois flight tickets

United Airlines

Jun 26

OTP6:05 amBucharest Otopeni Intl

16h 50m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jul 9

ORD6:00 pmChicago O'Hare Intl

16h 35m

1 stop

OTP6:35 pmBucharest Otopeni Intl

$809

United Airlines

Jun 22

OTP6:05 amBucharest Otopeni Intl

16h 50m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jun 29

ORD11:07 amChicago O'Hare Intl

16h 53m

2 stops

OTP12:00 pmBucharest Otopeni Intl

$810

United Airlines

Jun 26

OTP6:05 amBucharest Otopeni Intl

16h 50m

1 stop

ORD2:55 pmChicago O'Hare Intl

Jul 12

ORD6:30 pmChicago O'Hare Intl

21h 10m

1 stop

OTP11:40 pmBucharest Otopeni Intl

$811

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 7/25

6:00 am-2:00 pm

1 stop16h 00m

Chicago O'Hare Intl

Sat 8/15

9:40 pm-12:30 am

1 stop18h 50m

$711

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 5/24

9:40 pm-9:40 am

1 stop20h 00m

Chicago O'Hare Intl

Sat 8/1

8:10 pm-8:10 am

1 stop28h 00m

$719

Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 8/16

9:00 am-11:50 am

Nonstop10h 50m

Chicago O'Hare Intl

Mon 9/7

2:20 pm-3:20 pm

1 stop17h 00m

$734

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 6/26

6:20 am-12:35 pm

1 stop14h 15m

Chicago O'Hare Intl

Sun 7/12

7:05 pm-1:10 am

1 stop22h 05m

$737

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 8/20

9:00 am-11:50 am

Nonstop10h 50m

Chicago O'Hare Intl

Mon 9/7

2:20 pm-3:20 pm

1 stop17h 00m

$747

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 5/24

9:05 pm-9:40 am

1 stop20h 35m

Chicago O'Hare Intl

Sat 8/1

8:10 pm-9:05 am

1 stop28h 55m

$763

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Tue 6/9

4:10 pm-2:55 pm

2 stops30h 45m

Chicago O'Hare Intl

Thu 7/2

6:00 pm-1:05 am

2 stops23h 05m

$839

IaşiChicago

IAS - ORD

IASORD

Iasi

Mon 7/20

5:20 am-1:20 pm

1 stop16h 00m

Chicago O'Hare Intl

Mon 8/17

4:20 pm-1:20 am

1 stop25h 00m

$993

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 8/27

1:50 pm-10:00 pm

2 stops16h 10m

Lambert-St Louis

Mon 8/31

7:00 am-1:10 pm

3 stops22h 10m

$1,131

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 8/27

1:50 pm-9:22 pm

2 stops15h 32m

Lambert-St Louis

Mon 8/31

7:01 am-1:10 pm

3 stops22h 09m

$1,132

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 June. Flight prices, which tend to average around $243, 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 June, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $281.

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 $608. 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 $768 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 $599 on momondo.

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	$836
Fastest flight time	10h 50m
Direct flights	Mon and Fri
Airports in Illinois	98 airports

The best flight deal from Romania to Illinois found on momondo in the last 72 hours is $836

The fastest flight from Romania to Illinois takes 10h 50m

Direct flights go from Romania to Illinois on Monday and Friday. There are no airlines offering direct flights.

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

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 9 operators available for flights from Romania to Illinois as of May 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 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
United Airlines	PriceFrom $284	Free Cancellation	Rating 7.4 9,701 reviews	Search United Airlines flights
HiSky	PriceFrom $426	Free Cancellation	Rating 0.0	Search HiSky flights
SWISS	PriceFrom $602	Free Cancellation	Rating 7.6 1,942 reviews	Search SWISS flights
Lufthansa	PriceFrom $603	Free Cancellation	Rating 6.8 7,992 reviews	Search Lufthansa flights
KLM	PriceFrom $606	Free Cancellation	Rating 7.8 1,514 reviews	Search KLM flights
Turkish Airlines	PriceFrom $608	Free Cancellation	Rating 7.4 4,360 reviews	Search Turkish Airlines flights
LOT	PriceFrom $611	Free Cancellation	Rating 7.5 1,189 reviews	Search LOT flights
British Airways	PriceFrom $622	Free Cancellation	Rating 6.7 7,972 reviews	Search British Airways flights
Austrian Airlines	PriceFrom $696	Free Cancellation	Rating 7.6 915 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.