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

British Airways, KLM, and Air Canada are the most popular carriers operating from Chicago to Romania

What airlines fly to Romania?

Lufthansa, Turkish Airlines and LOT are the top three most popular airlines that fly to Romania from Chicago according to our data. Lufthansa is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Romania. Keep in mind that there are 13 different airlines that fly to Romania on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chicago to Romania refresh daily.

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

As of April 2026, there are 13 operators available to choose from for flights from Chicago to Romania.

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

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 Chicago to Romania.

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

The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$324 Cheap Flights from Chicago to Romania in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Romania

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 2:35 pm

ORD

OTP

34h 25m

1 stop

3:55 pm - 9:40 am

OTP

ORD

25h 45m

1 stop

$581Turkish Airlines

Mon, Aug 17 - Mon, Sep 14

11:25 am - 8:10 am

ORD

OTP

12h 45m

1 stop

9:30 am - 6:15 pm

OTP

ORD

16h 45m

1 stop

$583Turkish Airlines

Tue, Aug 18 - Thu, Sep 24

8:10 pm - 2:35 pm

ORD

OTP

34h 25m

1 stop

9:35 pm - 9:40 am

OTP

ORD

20h 05m

1 stop

$587Turkish Airlines

Fri, Sep 18 - Tue, Oct 6

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:05 pm - 9:15 pm

OTP

ORD

13h 10m

1 stop

$589Air Serbia

Wed, Aug 26 - Sat, Sep 12

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

$608Air Serbia

Wed, Aug 26 - Sun, Sep 6

1:20 pm - 7:50 pm

ORD

OMR

22h 30m

1 stop

7:00 am - 11:50 am

OMR

ORD

12h 50m

1 stop

$870HiSky

Sun, Jun 28 - Thu, Jul 9

10:25 am - 1:20 pm

ORD

SBZ

18h 55m

2 stops

6:00 am - 3:10 pm

SBZ

ORD

16h 10m

1 stop

$903United Airlines

Tue, Sep 1 - Sun, Nov 1

12:15 pm - 1:20 pm

ORD

SBZ

17h 05m

2 stops

6:00 am - 6:28 pm

SBZ

ORD

19h 28m

2 stops

$911United Airlines

Tue, Sep 1 - Sun, Nov 1

2:00 pm - 1:45 pm

ORD

OMR

15h 45m

2 stops

2:15 pm - 12:35 pm

OMR

ORD

30h 20m

1 stop

$950Lufthansa

Sat, May 9 - Tue, Jun 9

2:20 pm - 1:40 pm

ORD

OMR

39h 20m

2 stops

2:15 pm - 12:35 pm

OMR

ORD

30h 20m

1 stop

$974Lufthansa

Sun, May 10 - Tue, Jun 9

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

Air Serbia flights from Chicago to Romania

Our best Air Serbia deals on Chicago to Romania flight tickets

Air Serbia

Aug 26

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 12

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$589

Air Serbia

Aug 26

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 6

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$608

Air Serbia

Aug 26

ORD4:40 pmChicago O'Hare Intl

26h 25m

1 stop

OTP3:05 amBucharest Otopeni Intl

Sep 8

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$610

Delta flights from Chicago to Romania

Our best Delta deals on Chicago to Romania flight tickets

Delta

May 5

ORD10:15 amChicago O'Hare Intl

18h 30m

2 stops

OTP12:45 pmBucharest Otopeni Intl

May 10

OTP2:00 pmBucharest Otopeni Intl

32h 30m

1 stop

ORD2:30 pmChicago O'Hare Intl

$789

Delta

Apr 24

ORD8:50 amChicago O'Hare Intl

24h 50m

2 stops

OTP5:40 pmBucharest Otopeni Intl

May 9

OTP2:00 pmBucharest Otopeni Intl

32h 15m

1 stop

ORD2:15 pmChicago O'Hare Intl

$791

Delta

May 6

ORD7:10 amChicago O'Hare Intl

21h 50m

2 stops

OTP1:00 pmBucharest Otopeni Intl

May 12

OTP2:00 pmBucharest Otopeni Intl

32h 30m

1 stop

ORD2:30 pmChicago O'Hare Intl

$794

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Mon 9/14

3:55 pm-9:40 am

1 stop25h 45m

$581

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/18

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Thu 9/24

9:30 am-6:15 pm

1 stop16h 45m

$583

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 9/18

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Tue 10/6

9:35 pm-9:40 am

1 stop20h 05m

$587

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sat 9/12

4:05 pm-9:15 pm

1 stop13h 10m

$589

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sun 9/6

4:05 pm-2:30 pm

1 stop30h 25m

$608

ChicagoOradea

ORD - OMR

ORDOMR

Chicago O'Hare Intl

Sun 6/28

1:20 pm-7:50 pm

1 stop22h 30m

Oradea

Thu 7/9

7:00 am-11:50 am

1 stop12h 50m

$870

ChicagoSibiu

ORD - SBZ

ORDSBZ

Chicago O'Hare Intl

Tue 9/1

10:25 am-1:20 pm

2 stops18h 55m

Sibiu

Sun 11/1

6:00 am-3:10 pm

1 stop16h 10m

$903

ChicagoSibiu

ORD - SBZ

ORDSBZ

Chicago O'Hare Intl

Tue 9/1

12:15 pm-1:20 pm

2 stops17h 05m

Sibiu

Sun 11/1

6:00 am-6:28 pm

2 stops19h 28m

$911

ChicagoOradea

ORD - OMR

ORDOMR

Chicago O'Hare Intl

Sat 5/9

2:00 pm-1:45 pm

2 stops15h 45m

Oradea

Tue 6/9

2:15 pm-12:35 pm

1 stop30h 20m

$950

ChicagoOradea

ORD - OMR

ORDOMR

Chicago O'Hare Intl

Sun 5/10

2:20 pm-1:40 pm

2 stops39h 20m

Oradea

Tue 6/9

2:15 pm-12:35 pm

1 stop30h 20m

$974

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 Chicago to Romania

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

What is the cheapest month to fly to Romania?

The cheapest month to fly to Romania from Chicago is in October. Flight prices, which tend to average around $563, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of October, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $566.

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

The cheapest day to depart on your flight to Romania is on a Thursday when prices can be found for as low as $845. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $878. These prices are subject to change though, so be sure to set up a Price Alert for flights to Romania.

What is the cheapest Chicago to Romania flight route?

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

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

You are more likely to see cheaper flights to Romania from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Romania for around $721 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Romania from Chicago for as low as $365 on momondo.

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

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

You could potentially save up to 8% on your flight if you consider stops on a Chicago to Romania flight.

Cheap Chicago to Romania flight deals and tips

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

Best Price Found	$442
Fastest flight time	9h 50m
Direct flights	Mon and Fri
Airports in Romania	29 airports

The best one-way flight to Romania from Chicago in the past 72 hours is $442. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $818.

The fastest flight from Chicago to Romania takes 9h 50m

Direct flights go from Chicago to Romania on Monday and Friday. The only airline offering direct flights is HiSky.

There are 29 airports in Romania. From Chicago there are direct flights to Bucharest Otopeni Intl (OTP).

Search flight deals

Frequently asked questions about flying from Chicago to Romania

When did momondo last update prices for flights from Chicago to Romania?
Prices for flights from Chicago to Romania refresh daily.
How many operators does momondo search for flights from Chicago to Romania?
As of April 2026, there are 13 operators available to choose from for flights from Chicago to Romania.
How old do you have to be to fly from Chicago to Romania?
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 Chicago to Romania.
What documentation or ID do you need to fly to Romania?
The required travel and health documents for your Romania trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Romania. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Chicago to Romania?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Romania is Airbus A330, representing 100.00% of all bookings.

Best airlines flying from Chicago to Romania

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 9,637 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $477	Free Cancellation	Rating 7.3 1,756 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $499	Free Cancellation	Rating 6.7 7,906 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,326 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $534	Free Cancellation	Rating 6.8 7,940 reviews	Search Lufthansa flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,507 reviews	Search KLM flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.2 219 reviews	Search Air Serbia flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,579 reviews	Search Air France flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,438 reviews	Search Delta flights
LOT	PriceFrom $580	Free Cancellation	Rating 7.5 1,188 reviews	Search LOT flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Romania. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Romania from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Romania from Chicago.

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

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

An easier way to manage your Romania 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 5/22

Fri 5/29

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Romania

Popular cities

Other flights from Chicago

Other flights to Romania

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Romania

Flights to Bucharestfrom $518

Flights to Cluj Napocafrom $535

Flights to Timisoarafrom $562

Flights to Iaşifrom $709

Flights to Sibiufrom $802

Flights to Oradeafrom $1,001

Flights to Suceavafrom $1,007

Flights to Bacăufrom $1,265

Flights to Târgu Mureş

Flights to Constanţafrom $628

Flights to Satu Marefrom $876

Flights to Baia Mare

Cheap flights from Chicago to Romania from $324

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Romania departing on 9/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Romania

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

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

Air Serbia flights from Chicago to Romania

Our best Air Serbia deals on Chicago to Romania flight tickets

Delta flights from Chicago to Romania

Our best Delta deals on Chicago to Romania flight tickets

momondo Fare Finder

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

See travel insights to Romania from

How to get the cheapest flight ticket from Chicago to Romania

What is the cheapest month to fly to Romania?

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

What is the cheapest Chicago to Romania flight route?

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

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

Can stopping save me money on Chicago to Romania flights?

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

What airlines fly to Romania?

Cheap Chicago to Romania flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Romania

Frequently asked questions about flying from Chicago to Romania

Best airlines flying from Chicago to Romania

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

Why use momondo?

An easier way to manage your Romania 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 Romania

Popular cities in Romania

Popular flights according to clicks in the last 7 days on momondo

Chicago flight routes

According to popular flight searches on momondo this year

Romania flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Romania

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Romania

List of cabin classes available on flights landing in Romania. Availability may vary depending on flight origin and airline.

Complete your trip to Romania

Explore popular destinations other users love

According to popular flight searches on momondo this year