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Cheap flights from Cluj Napoca to Illinois from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cluj Napoca to Illinois departing on 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Cluj Napoca to Illinois

Cheap round-trip flights

United Airlines Logo
6:00 am - 3:29 pmCLJ-STL
41h 29m2 stops
United Airlines Logo
11:49 am - 1:40 pmSTL-CLJ
17h 51m2 stops
$676United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Lufthansa Logo
6:00 am - 11:44 pmCLJ-STL
25h 44m2 stops
Lufthansa Logo
12:31 pm - 12:55 amSTL-CLJ
28h 24m2 stops
$678Lufthansa
Find Deal
Thu, Nov 20 - Mon, Nov 24
Logo
6:00 am - 4:40 pmCLJ-ORD
18h 40m3 stops
Logo
1:13 pm - 1:40 pmORD-CLJ
16h 27m2 stops
$692
Find Deal
Sat, Jan 17 - Sun, Jan 25
Logo
6:00 am - 6:51 pmCLJ-ORD
44h 51m2 stops
Logo
3:55 pm - 12:55 amORD-CLJ
25h 00m2 stops
$693
Find Deal
Wed, Jan 21 - Tue, Jan 27
LOT Logo
6:00 pm - 8:00 pmCLJ-ORD
34h 00m1 stop
LOT Logo
10:55 pm - 12:20 pmORD-CLJ
30h 25m1 stop
$701LOT
Find Deal
Fri, Nov 21 - Fri, Mar 27
Turkish Airlines Logo
9:10 pm - 9:40 amCLJ-ORD
20h 30m1 stop
Turkish Airlines Logo
11:25 am - 9:05 amORD-CLJ
13h 40m1 stop
$709Turkish Airlines
Find Deal
Sun, Sep 14 - Fri, Sep 26
Turkish Airlines Logo
9:10 pm - 9:40 amCLJ-ORD
20h 30m1 stop
Turkish Airlines Logo
11:45 pm - 9:05 amORD-CLJ
25h 20m1 stop
$715Turkish Airlines
Find Deal
Sun, Sep 14 - Sat, Sep 27
SWISS Logo
3:20 pm - 12:05 pmCLJ-ORD
28h 45m2 stops
SWISS Logo
9:30 pm - 10:05 amORD-CLJ
77h 35m3 stops
$761SWISS
Find Deal
Mon, Oct 13 - Sun, Oct 26
SWISS Logo
10:40 am - 3:55 pmCLJ-ORD
13h 15m1 stop
SWISS Logo
9:50 pm - 9:55 amORD-CLJ
28h 05m2 stops
$776SWISS
Find Deal
Thu, Sep 11 - Tue, Sep 23
LOT Logo
2:00 pm - 7:40 pmCLJ-ORD
13h 40m1 stop
LOT Logo
5:10 pm - 5:30 pmORD-CLJ
40h 20m2 stops
$830LOT
Find Deal
Thu, Sep 11 - Thu, Sep 25

LOT flights from Cluj Napoca to Illinois

Our best LOT deals on Cluj Napoca to Illinois flight tickets
LOT
Nov 21
CLJ6:00 pmCluj Napoca
34h 00m
1 stop
ORD8:00 pmChicago O'Hare Intl
Mar 27
ORD10:55 pmChicago O'Hare Intl
30h 25m
1 stop
CLJ12:20 pmCluj Napoca
$701
Find similar
LOT
Sep 11
CLJ2:00 pmCluj Napoca
13h 40m
1 stop
ORD7:40 pmChicago O'Hare Intl
Sep 25
ORD5:10 pmChicago O'Hare Intl
40h 20m
2 stops
CLJ5:30 pmCluj Napoca
$830
Find similar
LOT
Sep 12
CLJ2:00 pmCluj Napoca
13h 40m
1 stop
ORD7:40 pmChicago O'Hare Intl
Sep 24
ORD9:40 pmChicago O'Hare Intl
11h 50m
1 stop
CLJ5:30 pmCluj Napoca
$849
Find similar

Turkish Airlines flights from Cluj Napoca to Illinois

Our best Turkish Airlines deals on Cluj Napoca to Illinois flight tickets
Turkish Airlines
Sep 14
CLJ9:10 pmCluj Napoca
20h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
Sep 26
ORD11:25 amChicago O'Hare Intl
13h 40m
1 stop
CLJ9:05 amCluj Napoca
$709
Find similar
Turkish Airlines
Sep 14
CLJ9:10 pmCluj Napoca
20h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
Sep 27
ORD11:45 pmChicago O'Hare Intl
25h 20m
1 stop
CLJ9:05 amCluj Napoca
$715
Find similar
Turkish Airlines
Sep 11
CLJ9:10 pmCluj Napoca
20h 30m
1 stop
ORD9:40 amChicago O'Hare Intl
Sep 26
ORD11:25 amChicago O'Hare Intl
13h 40m
1 stop
CLJ9:05 amCluj Napoca
$754
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Cluj Napoca to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 1, 2025.
Use the filters below to find and compare flights from Cluj Napoca to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 11/20

6:00 am-3:29 pm

2 stops41h 29m

Lambert-St Louis

Mon 11/24

11:49 am-1:40 pm

2 stops17h 51m

$676

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Thu 11/20

6:00 am-11:44 pm

2 stops25h 44m

Lambert-St Louis

Mon 11/24

12:31 pm-12:55 am

2 stops28h 24m

$678

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sat 1/17

6:00 am-4:40 pm

3 stops18h 40m

Chicago O'Hare Intl

Sun 1/25

1:13 pm-1:40 pm

2 stops16h 27m

$692

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 1/21

6:00 am-6:51 pm

2 stops44h 51m

Chicago O'Hare Intl

Tue 1/27

3:55 pm-12:55 am

2 stops25h 00m

$693

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 11/21

6:00 pm-8:00 pm

1 stop34h 00m

Chicago O'Hare Intl

Fri 3/27

10:55 pm-12:20 pm

1 stop30h 25m

$701

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 9/14

9:10 pm-9:40 am

1 stop20h 30m

Chicago O'Hare Intl

Fri 9/26

11:25 am-9:05 am

1 stop13h 40m

$709

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Sun 9/14

9:10 pm-9:40 am

1 stop20h 30m

Chicago O'Hare Intl

Sat 9/27

11:45 pm-9:05 am

1 stop25h 20m

$715

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Mon 10/13

3:20 pm-12:05 pm

2 stops28h 45m

Chicago O'Hare Intl

Sun 10/26

9:30 pm-10:05 am

3 stops77h 35m

$761

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 9/11

10:40 am-3:55 pm

1 stop13h 15m

Chicago O'Hare Intl

Tue 9/23

9:50 pm-9:55 am

2 stops28h 05m

$776

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 9/11

2:00 pm-7:40 pm

1 stop13h 40m

Chicago O'Hare Intl

Thu 9/25

5:10 pm-5:30 pm

2 stops40h 20m

$830

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Cluj Napoca 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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Cluj Napoca is in November. Flight prices, which tend to average around $658, 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 November, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $689.

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

The cheapest day to depart from Cluj Napoca to Illinois is on a Wednesday when prices can be found for as low as $699. Flights from Cluj Napoca to Illinois on a Monday will generally be more expensive and average around $826. 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 evening. Flights from Cluj Napoca to Illinois during this time can be as low as $696. Flights in the morning are often more expensive with an average ticket price of $796.

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Cluj Napoca when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $764 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Cluj Napoca for as low as $622 on momondo.

Cheap Cluj Napoca to Illinois flight deals and tips

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

Direct flights

None
There are no direct flights from Cluj Napoca to Illinois. There are no popular flight routes from Cluj Napoca to Illinois.
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  • When did momondo last update prices for flights from Cluj Napoca Airport to Illinois?

    Prices for flights from Cluj Napoca Airport to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Cluj Napoca Airport to Illinois?

  • How old do you have to be to fly from Cluj Napoca Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Cluj Napoca Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Cluj Napoca to Illinois

Compare and see reviews for airlines that fly from Cluj Napoca to Illinois with momondo
Airline
Rating
Free Cancellation
Price
SWISSPriceFrom $565Free CancellationRating
7.6
1,719 reviews
Search SWISS flights
LOTPriceFrom $573Free CancellationRating
7.6
1,112 reviews
Search LOT flights
Turkish AirlinesPriceFrom $580Free CancellationRating
7.3
3,952 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $587Free CancellationRating
6.8
7,379 reviews
Search Lufthansa flights
United AirlinesPriceFrom $665Free CancellationRating
7.4
8,936 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Cluj Napoca 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 Cluj Napoca.

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

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

How can momondo help me find flights from Cluj Napoca to Illinois?

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

If you are not ready to book a flight from Cluj Napoca to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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