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

Air Serbia and British Airways are the most popular carriers operating from Romania to Chicago

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 Cluj Napoca to Chicago O'Hare Intl Airport is 16h 10m on average, while flying from Bucharest to Chicago O'Hare Intl Airport is 16h 20m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

What airlines fly to Chicago?

LOT, Lufthansa and Turkish Airlines are the top three most popular airlines that fly to Chicago from Romania according to our data. LOT is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 11 different airlines that fly to Chicago 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 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 October 2025, there are 11 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.

$314 Cheap Flights from Romania to Chicago in 2025/26

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2:25 pm - 9:38 amCLJ-ORD

51h 13m2 stops

7:10 am - 1:40 pmORD-CLJ

22h 30m2 stops

$504United Airlines

Find Deal

vie., feb. 13 - lun., feb. 16

2:25 pm - 9:38 amCLJ-ORD

51h 13m2 stops

8:00 am - 1:40 pmORD-CLJ

21h 40m2 stops

$562United Airlines

Find Deal

vie., feb. 13 - lun., feb. 16

6:25 pm - 8:00 pmOTP-ORD

33h 35m1 stop

9:55 pm - 11:15 pmORD-OTP

17h 20m1 stop

$649LOT

Find Deal

lun., dic. 15 - jue., ene. 15

5:35 am - 7:55 pmOTP-ORD

22h 20m2 stops

9:40 pm - 11:10 pmORD-OTP

17h 30m1 stop

$660LOT

Find Deal

lun., dic. 15 - mié., abr. 1

1:55 pm - 2:20 pmOTP-ORD

32h 25m1 stop

4:25 pm - 11:30 pmORD-OTP

23h 05m1 stop

$708KLM

Find Deal

mar., nov. 18 - dom., nov. 23

6:00 am - 4:46 pmOTP-ORD

18h 46m2 stops

4:25 pm - 3:25 pmORD-OTP

15h 00m1 stop

$718KLM

Find Deal

mar., nov. 18 - dom., nov. 23

6:00 am - 1:10 pmCLJ-ORD

15h 10m2 stops

9:50 pm - 12:55 amORD-CLJ

19h 05m1 stop

$720Lufthansa

Find Deal

lun., nov. 3 - dom., nov. 16

6:00 am - 6:25 pmCLJ-ORD

20h 25m1 stop

9:50 pm - 12:55 amORD-CLJ

19h 05m1 stop

$725Lufthansa

Find Deal

sáb., nov. 22 - dom., dic. 7

9:15 pm - 10:05 amCLJ-ORD

20h 50m1 stop

8:20 pm - 8:25 pmORD-CLJ

16h 05m1 stop

$745Turkish Airlines

Find Deal

jue., nov. 20 - vie., feb. 20

9:15 pm - 6:25 pmCLJ-ORD

29h 10m1 stop

8:20 pm - 9:00 amORD-CLJ

28h 40m1 stop

$774Turkish Airlines

Find Deal

dom., nov. 2 - sáb., nov. 8

United Airlines flights from Romania to Chicago

Our best United Airlines deals on Romania to Chicago flight tickets

United Airlines

Feb 13

CLJ2:25 pmCluj Napoca

51h 13m

2 stops

ORD9:38 amChicago O'Hare Intl

Feb 16

ORD7:10 amChicago O'Hare Intl

22h 30m

2 stops

CLJ1:40 pmCluj Napoca

$504

Find similar

United Airlines

Feb 13

CLJ2:25 pmCluj Napoca

51h 13m

2 stops

ORD9:38 amChicago O'Hare Intl

Feb 16

ORD8:00 amChicago O'Hare Intl

21h 40m

2 stops

CLJ1:40 pmCluj Napoca

$562

Find similar

United Airlines

Feb 13

CLJ2:25 pmCluj Napoca

51h 13m

2 stops

ORD9:38 amChicago O'Hare Intl

Feb 16

ORD7:10 amChicago O'Hare Intl

22h 30m

2 stops

CLJ1:40 pmCluj Napoca

$574

Find similar

Air Serbia flights from Romania to Chicago

Our best Air Serbia deals on Romania to Chicago flight tickets

Air Serbia

Dec 19

OTP4:30 amBucharest Otopeni Intl

20h 35m

1 stop

ORD5:05 pmChicago O'Hare Intl

Jan 3

ORD5:30 pmChicago O'Hare Intl

25h 40m

1 stop

OTP3:10 amBucharest Otopeni Intl

$696

Find similar

Air Serbia

Nov 20

OTP4:30 amBucharest Otopeni Intl

18h 30m

1 stop

ORD3:00 pmChicago O'Hare Intl

Nov 29

ORD5:30 pmChicago O'Hare Intl

25h 40m

1 stop

OTP3:10 amBucharest Otopeni Intl

$735

Find similar

Air Serbia

Nov 20

OTP4:30 amBucharest Otopeni Intl

18h 30m

1 stop

ORD3:00 pmChicago O'Hare Intl

Jan 10

ORD5:30 pmChicago O'Hare Intl

14h 05m

1 stop

OTP3:35 pmBucharest Otopeni Intl

$741

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 2/13

2:25 pm-9:38 am

2 stops51h 13m

Chicago O'Hare Intl

lun. 2/16

7:10 am-1:40 pm

2 stops22h 30m

$504

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

vie. 2/13

2:25 pm-9:38 am

2 stops51h 13m

Chicago O'Hare Intl

lun. 2/16

8:00 am-1:40 pm

2 stops21h 40m

$562

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 12/15

6:25 pm-8:00 pm

1 stop33h 35m

Chicago O'Hare Intl

jue. 1/15

9:55 pm-11:15 pm

1 stop17h 20m

$649

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

lun. 12/15

5:35 am-7:55 pm

2 stops22h 20m

Chicago O'Hare Intl

mié. 4/1

9:40 pm-11:10 pm

1 stop17h 30m

$660

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 11/18

1:55 pm-2:20 pm

1 stop32h 25m

Chicago O'Hare Intl

dom. 11/23

4:25 pm-11:30 pm

1 stop23h 05m

$708

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

mar. 11/18

6:00 am-4:46 pm

2 stops18h 46m

Chicago O'Hare Intl

dom. 11/23

4:25 pm-3:25 pm

1 stop15h 00m

$718

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

lun. 11/3

6:00 am-1:10 pm

2 stops15h 10m

Chicago O'Hare Intl

dom. 11/16

9:50 pm-12:55 am

1 stop19h 05m

$720

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

sáb. 11/22

6:00 am-6:25 pm

1 stop20h 25m

Chicago O'Hare Intl

dom. 12/7

9:50 pm-12:55 am

1 stop19h 05m

$725

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

jue. 11/20

9:15 pm-10:05 am

1 stop20h 50m

Chicago O'Hare Intl

vie. 2/20

8:20 pm-8:25 pm

1 stop16h 05m

$745

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

dom. 11/2

9:15 pm-6:25 pm

1 stop29h 10m

Chicago O'Hare Intl

sáb. 11/8

8:20 pm-9:00 am

1 stop28h 40m

$774

Flights are sorted by cheapest round-trip flights first.

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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 $594. 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 $618.

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 $695 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 is only 1 cabin class 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

Direct flights	None

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 October 2025, there are 11 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.

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 4,010 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $548	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Lufthansa	PriceFrom $554	Free Cancellation	Rating 6.8 7,497 reviews	Search Lufthansa flights
SWISS	PriceFrom $558	Free Cancellation	Rating 7.5 1,772 reviews	Search SWISS flights
KLM	PriceFrom $570	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 8,982 reviews	Search United Airlines flights
LOT	PriceFrom $573	Free Cancellation	Rating 7.6 1,133 reviews	Search LOT flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,457 reviews	Search British Airways flights
Air France	PriceFrom $581	Free Cancellation	Rating 7.4 1,476 reviews	Search Air France flights
Delta	PriceFrom $623	Free Cancellation	Rating 7.9 7,977 reviews	Search Delta flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

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.

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sáb. 11/15

sáb. 11/22

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Flights to Denverfrom $54

Cheap flights from Romania to Chicago 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 Chicago departing on 11/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Romania to Chicago

Recent round-trip flight deals from Romania to Chicago

Recent one-way flight deals from Romania to Chicago

Recent last minute flight deals from Romania to Chicago

United Airlines flights from Romania to Chicago

Our best United Airlines deals on Romania to Chicago flight tickets

Air Serbia flights from Romania to Chicago

Our best Air Serbia deals on Romania to Chicago flight tickets

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Use the filters below to find and compare flights from Romania to Chicago that are best for you.

See travel insights to Chicago from

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

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 $594. 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 $618.

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

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?

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

There is only 1 cabin class 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.

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

Air Serbia and British Airways are the most popular carriers operating from Romania to Chicago

What airlines fly to Chicago?

How long does it take to fly 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

Direct flights

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

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

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

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

Best airlines flying from Romania to Chicago

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

Traveling to a place near Chicago?

Why use momondo?

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

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

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

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

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago