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Cheap flights from Romania to Illinois from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Romania to Illinois departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Romania to Illinois

Recent round-trip flight deals from Romania to Illinois

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:30 am - 1:00 pm
OTP
-
ORD
35h 30m
1 stop
Multiple Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
$547Multiple Airlines
Fri, Apr 17 - Sun, May 3
Multiple Airlines Logo
9:30 am - 1:00 pm
OTP
-
ORD
35h 30m
1 stop
Multiple Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
$550Multiple Airlines
Fri, Apr 17 - Wed, May 6
Multiple Airlines Logo
9:35 am - 8:01 am
OTP
-
ORD
30h 26m
1 stop
Multiple Airlines Logo
6:31 am - 3:20 pm
ORD
-
OTP
24h 49m
2 stops
$598Multiple Airlines
Wed, Apr 1 - Tue, Apr 14
LOT Logo
2:35 pm - 9:00 pm
OTP
-
ORD
13h 25m
1 stop
LOT Logo
10:55 pm - 11:15 pm
ORD
-
OTP
17h 20m
1 stop
$620LOT
Sun, Mar 8 - Tue, Mar 24
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$621LOT
Thu, Apr 2 - Fri, Apr 17
Turkish Airlines Logo
9:05 pm - 9:40 am
CLJ
-
ORD
20h 35m
1 stop
Turkish Airlines Logo
8:10 pm - 8:15 pm
ORD
-
CLJ
16h 05m
1 stop
$681Turkish Airlines
Thu, Apr 23 - Thu, May 7
Turkish Airlines Logo
9:05 pm - 9:40 am
CLJ
-
ORD
20h 35m
1 stop
Turkish Airlines Logo
11:25 am - 9:05 am
ORD
-
CLJ
13h 40m
1 stop
$682Turkish Airlines
Thu, Apr 23 - Thu, May 7
United Airlines Logo
6:00 am - 6:25 pm
SBZ
-
ORD
20h 25m
1 stop
United Airlines Logo
9:20 pm - 1:20 pm
ORD
-
SBZ
32h 00m
2 stops
$702United Airlines
Mon, Feb 23 - Sat, May 16
United Airlines Logo
6:00 am - 6:25 pm
SBZ
-
ORD
20h 25m
1 stop
United Airlines Logo
9:04 am - 1:20 pm
ORD
-
SBZ
20h 16m
2 stops
$704United Airlines
Mon, Feb 23 - Sun, May 17
Lufthansa Logo
6:00 am - 9:40 pm
CLJ
-
STL
23h 40m
2 stops
Lufthansa Logo
5:18 pm - 5:25 pm
STL
-
CLJ
16h 07m
2 stops
$890Lufthansa
Wed, Mar 4 - Thu, Sep 24

Air France flights from Romania to Illinois

Our best Air France deals on Romania to Illinois flight tickets
Air France
Mar 24
OTP8:40 amBucharest Otopeni Intl
14h 30m
1 stop
ORD4:10 pmChicago O'Hare Intl
May 5
ORD5:10 pmChicago O'Hare Intl
14h 40m
1 stop
OTP3:50 pmBucharest Otopeni Intl
$657
Air France
Feb 7
IAS5:25 amIasi
41h 45m
2 stops
ORD3:10 pmChicago O'Hare Intl
Feb 23
ORD5:20 pmChicago O'Hare Intl
22h 10m
2 stops
IAS11:30 pmIasi
$1,226

Delta flights from Romania to Illinois

Our best Delta deals on Romania to Illinois flight tickets
Delta
Mar 24
OTP6:05 amBucharest Otopeni Intl
17h 05m
1 stop
ORD4:10 pmChicago O'Hare Intl
Apr 28
ORD10:20 amChicago O'Hare Intl
18h 25m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$655
Delta
Mar 24
OTP6:00 amBucharest Otopeni Intl
23h 16m
2 stops
ORD10:16 pmChicago O'Hare Intl
Apr 28
ORD10:20 amChicago O'Hare Intl
18h 25m
2 stops
OTP12:45 pmBucharest Otopeni Intl
$656
Delta
Feb 20
OTP6:00 amBucharest Otopeni Intl
18h 41m
2 stops
ORD4:41 pmChicago O'Hare Intl
Mar 8
ORD5:25 pmChicago O'Hare Intl
12h 35m
1 stop
OTP1:00 pmBucharest Otopeni Intl
$661

momondo Fare Finder

 
Customize your flight search to find flights from Romania 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 February 6, 2026.
Use the filters below to find and compare flights from Romania to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 4/17

9:30 am-1:00 pm

1 stop35h 30m

Chicago O'Hare Intl

Sun 5/3

9:40 pm-6:35 pm

1 stop12h 55m

$547

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 4/17

9:30 am-1:00 pm

1 stop35h 30m

Chicago O'Hare Intl

Wed 5/6

9:40 pm-6:35 pm

1 stop12h 55m

$550

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 4/1

9:35 am-8:01 am

1 stop30h 26m

Chicago O'Hare Intl

Tue 4/14

6:31 am-3:20 pm

2 stops24h 49m

$598

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 3/8

2:35 pm-9:00 pm

1 stop13h 25m

Chicago O'Hare Intl

Tue 3/24

10:55 pm-11:15 pm

1 stop17h 20m

$620

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 4/2

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Fri 4/17

9:50 pm-11:15 pm

1 stop17h 25m

$621

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 4/23

9:05 pm-9:40 am

1 stop20h 35m

Chicago O'Hare Intl

Thu 5/7

8:10 pm-8:15 pm

1 stop16h 05m

$681

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 4/23

9:05 pm-9:40 am

1 stop20h 35m

Chicago O'Hare Intl

Thu 5/7

11:25 am-9:05 am

1 stop13h 40m

$682

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Mon 2/23

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Sat 5/16

9:20 pm-1:20 pm

2 stops32h 00m

$702

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Mon 2/23

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Sun 5/17

9:04 am-1:20 pm

2 stops20h 16m

$704

Cluj NapocaSt. Louis

CLJ - STL

CLJSTL

Cluj Napoca

Wed 3/4

6:00 am-9:40 pm

2 stops23h 40m

Lambert-St Louis

Thu 9/24

5:18 pm-5:25 pm

2 stops16h 07m

$890

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 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

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 $620, 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 February is also cheap. Prices for this month can be found on momondo for an average of $644.

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 $469. 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 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 $720 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 $642 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

$462

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 $462
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

  • 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?

  • 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?

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 AirlinesPriceFrom $336Free CancellationRating
7.3
4,211 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,719 reviews
Search British Airways flights
LOTPriceFrom $587Free CancellationRating
7.5
1,179 reviews
Search LOT flights
American AirlinesPriceFrom $595Free CancellationRating
7.2
11,244 reviews
Search American Airlines flights
SWISSPriceFrom $602Free CancellationRating
7.6
1,867 reviews
Search SWISS flights
LufthansaPriceFrom $603Free CancellationRating
6.8
7,767 reviews
Search Lufthansa flights
United AirlinesPriceFrom $604Free CancellationRating
7.4
9,244 reviews
Search United Airlines flights
KLMPriceFrom $612Free CancellationRating
7.7
1,450 reviews
Search KLM flights
Air FrancePriceFrom $621Free CancellationRating
7.4
1,532 reviews
Search Air France flights
DeltaPriceFrom $623Free CancellationRating
7.9
8,158 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.

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