What airlines fly to Chicago?

Lufthansa, LOT and Turkish Airlines are the top three most popular airlines that fly to Chicago 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 Chicago. Keep in mind that there are 10 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago?

Average flight duration from Romania to Chicago depends on which airport you fly into and out of. Flying from Bucharest to Chicago O'Hare Intl Airport is 10h 50m on average, while flying from Cluj Napoca to Chicago O'Hare Intl Airport is 16h 10m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

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

Air Serbia is the most popular carrier operating from Romania to Chicago

When did momondo last update prices for flights from Romania to Chicago?

Prices for flights from Romania to Chicago are updated daily.

How many operators does momondo search for flights from Romania to Chicago?

As of December 2025, there are 10 operators available to choose from for flights from Romania to Chicago.

How old do you have to be to fly from Romania to Chicago?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents you'll need for your trip to Chicago 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 Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$387 Cheap Flights from Romania to Chicago in 2025/26

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Find the cheapest flights from Romania to Chicago

Round-trip

One-way

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Recent round-trip flight deals from Romania to Chicago

Enter your travel dates to find the best prices.

6:00 am - 2:10 pm

CLJ

ORD

16h 10m1 stop

9:50 pm - 12:55 am

ORD

CLJ

19h 05m1 stop

$619Lufthansa

Thu, Jan 22 - Wed, Feb 4

6:00 am - 6:25 pm

CLJ

ORD

20h 25m1 stop

9:50 pm - 12:55 am

ORD

CLJ

19h 05m1 stop

$622Lufthansa

Thu, Jan 22 - Wed, Feb 4

6:00 am - 6:25 pm

CLJ

ORD

20h 25m1 stop

6:00 pm - 1:40 pm

ORD

CLJ

11h 40m1 stop

$624Lufthansa

Fri, Feb 13 - Tue, Feb 24

5:55 am - 6:37 pm

OTP

ORD

20h 42m2 stops

2:00 pm - 11:50 pm

ORD

OTP

25h 50m2 stops

$652United Airlines

Fri, Feb 6 - Sun, Feb 8

8:20 am - 8:00 pm

OTP

ORD

19h 40m1 stop

10:55 pm - 11:15 pm

ORD

OTP

17h 20m1 stop

$658LOT

Wed, Feb 25 - Sat, Mar 14

6:25 pm - 7:55 pm

OTP

ORD

33h 30m2 stops

9:50 pm - 1:50 am

ORD

OTP

20h 00m1 stop

$659LOT

Sun, Feb 1 - Tue, Mar 31

4:45 pm - 1:50 pm

OTP

ORD

29h 05m1 stop

5:10 pm - 2:55 pm

ORD

OTP

13h 45m1 stop

$661British Airways

Fri, Feb 6 - Sun, Feb 8

2:30 pm - 7:46 am

SBZ

ORD

48h 16m2 stops

9:40 pm - 1:20 pm

ORD

SBZ

31h 40m1 stop

$676United Airlines

Wed, Mar 25 - Sun, Mar 29

6:00 am - 4:16 pm

OTP

MDW

18h 16m2 stops

1:26 pm - 1:00 pm

MDW

OTP

15h 34m2 stops

$680KLM

Sat, Jan 17 - Sat, Jan 31

8:35 am - 5:55 pm

OTP

MDW

17h 20m2 stops

1:28 pm - 1:00 pm

MDW

OTP

15h 32m2 stops

$711KLM

Thu, Jan 22 - Sat, Feb 21

United Airlines flights from Romania to Chicago

Our best United Airlines deals on Romania to Chicago flight tickets

United Airlines

Feb 7

CLJ6:00 amCluj Napoca

20h 25m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 24

ORD6:00 pmChicago O'Hare Intl

11h 40m

1 stop

CLJ1:40 pmCluj Napoca

$643

Find similar

United Airlines

Feb 9

CLJ6:00 amCluj Napoca

16h 10m

1 stop

ORD2:10 pmChicago O'Hare Intl

Feb 24

ORD6:00 amChicago O'Hare Intl

23h 40m

2 stops

CLJ1:40 pmCluj Napoca

$644

Find similar

United Airlines

Feb 7

CLJ6:00 amCluj Napoca

20h 25m

1 stop

ORD6:25 pmChicago O'Hare Intl

Feb 26

ORD6:00 pmChicago O'Hare Intl

11h 40m

1 stop

CLJ1:40 pmCluj Napoca

$645

Find similar

Air Canada flights from Romania to Chicago

Our best Air Canada deals on Romania to Chicago flight tickets

Air Canada

Feb 10

CLJ6:00 amCluj Napoca

42h 42m

2 stops

ORD4:42 pmChicago O'Hare Intl

Feb 23

ORD10:35 amChicago O'Hare Intl

19h 05m

2 stops

CLJ1:40 pmCluj Napoca

$646

Find similar

Air Canada

Feb 8

CLJ6:00 amCluj Napoca

40h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

Feb 22

ORD8:40 pmChicago O'Hare Intl

33h 00m

2 stops

CLJ1:40 pmCluj Napoca

$652

Find similar

Air Canada

Feb 25

OTP6:30 amBucharest Otopeni Intl

42h 09m

2 stops

ORD4:39 pmChicago O'Hare Intl

Mar 17

ORD8:40 pmChicago O'Hare Intl

36h 10m

2 stops

OTP3:50 pmBucharest Otopeni Intl

$654

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 1/22

6:00 am-2:10 pm

1 stop16h 10m

Chicago O'Hare Intl

Wed 2/4

9:50 pm-12:55 am

1 stop19h 05m

$619

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 1/22

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Wed 2/4

9:50 pm-12:55 am

1 stop19h 05m

$622

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Fri 2/13

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

Tue 2/24

6:00 pm-1:40 pm

1 stop11h 40m

$624

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

5:55 am-6:37 pm

2 stops20h 42m

Chicago O'Hare Intl

Sun 2/8

2:00 pm-11:50 pm

2 stops25h 50m

$652

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/25

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sat 3/14

10:55 pm-11:15 pm

1 stop17h 20m

$658

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 2/1

6:25 pm-7:55 pm

2 stops33h 30m

Chicago O'Hare Intl

Tue 3/31

9:50 pm-1:50 am

1 stop20h 00m

$659

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 2/6

4:45 pm-1:50 pm

1 stop29h 05m

Chicago O'Hare Intl

Sun 2/8

5:10 pm-2:55 pm

1 stop13h 45m

$661

SibiuChicago

SBZ - ORD

SBZORD

Sibiu

Wed 3/25

2:30 pm-7:46 am

2 stops48h 16m

Chicago O'Hare Intl

Sun 3/29

9:40 pm-1:20 pm

1 stop31h 40m

$676

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Sat 1/17

6:00 am-4:16 pm

2 stops18h 16m

Chicago Midway

Sat 1/31

1:26 pm-1:00 pm

2 stops15h 34m

$680

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 1/22

8:35 am-5:55 pm

2 stops17h 20m

Chicago Midway

Sat 2/21

1:28 pm-1:00 pm

2 stops15h 32m

$711

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 Chicago

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 Chicago?

The month of February is, on average, the cheapest month to fly to Chicago from Romania, with most prices found around $608. If you’re not able to fly to Chicago in February, then September is your next best option. Flight prices from Romania to Chicago during September average around $616.

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

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $660. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Romania to Chicago for around $723.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Romania to Chicago during this time can be as low as $658. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $753.

What is the cheapest Romania to Chicago flight route?

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Romania - Chicago flight prices

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

You are more likely to see cheaper flights to Chicago from Romania when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $712 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Romania for as low as $634 on momondo.

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

There are 2 cabin classes available to choose from on Romania to Chicago 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 Chicago flights?

No. A direct flight is the cheapest option for a flight between Romania to Chicago.

Cheap Romania to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Romania to Chicago

Fastest flight time	10h 50m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Romania to Chicago?
Prices for flights from Romania to Chicago are updated daily.
How many operators does momondo search for flights from Romania to Chicago?
As of December 2025, there are 10 operators available to choose from for flights from Romania to Chicago.
How old do you have to be to fly from Romania to Chicago?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago 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 Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Romania to Chicago?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Romania to Chicago is Airbus A330 (100.00% of total bookings).

Best airlines flying from Romania to Chicago

Compare and see reviews for airlines that fly from Romania to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $493	Free Cancellation	Rating 7.3 4,077 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $548	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Lufthansa	PriceFrom $554	Free Cancellation	Rating 6.8 7,612 reviews	Search Lufthansa flights
SWISS	PriceFrom $565	Free Cancellation	Rating 7.5 1,803 reviews	Search SWISS flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,430 reviews	Search KLM flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 9,066 reviews	Search United Airlines flights
LOT	PriceFrom $573	Free Cancellation	Rating 7.5 1,143 reviews	Search LOT flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,562 reviews	Search British Airways flights
Air France	PriceFrom $621	Free Cancellation	Rating 7.4 1,500 reviews	Search Air France flights
Delta	PriceFrom $623	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights

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Valparaiso

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Munster

Chesterton

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Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Romania to Chicago?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Romania to Chicago. momondo saves you time and could save you money on your trip.

Can I find flights from Romania to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Romania which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Romania to Chicago?

Once all potential Romania to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Romania to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Romania to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.