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

Air Serbia, Lufthansa, and Delta 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 48% 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 August 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.

$287 Cheap Flights from Chicago to Romania in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Romania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

9:55 pm - 9:40 amTSR Timisoara-ORD Chicago O'Hare Intl

19h 45m1 stop Istanbul

$691Turkish Airlines

Tue, Oct 6 - Wed, Oct 21

11:25 am - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

25h 40m1 stop Istanbul

9:05 am - 6:15 pmTSR Timisoara-ORD Chicago O'Hare Intl

41h 10m2 stops Bucharest Otopeni Intl Istanbul

$737Turkish Airlines

Tue, Oct 6 - Tue, Oct 20

8:50 pm - 3:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

35h 00m2 stops Toronto Pearson Intl Zurich

8:05 pm - 1:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

25h 05m1 stop Frankfurt am Main

$784Multiple Airlines

Sat, Dec 5 - Sat, Dec 19

4:40 pm - 3:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

14h 55m1 stop Belgrade Nikola Tesla

4:05 pm - 9:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 10m1 stop Belgrade Nikola Tesla

$785Air Serbia

Wed, Aug 19 - Sat, Sep 5

4:40 pm - 3:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

14h 55m1 stop Belgrade Nikola Tesla

4:30 am - 2:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 00m1 stop Belgrade Nikola Tesla

$785Air Serbia

Wed, Aug 19 - Mon, Sep 7

7:25 pm - 6:55 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 30m2 stops Reykjavik Keflavik Intl Berlin Brandenburg

3:50 pm - 9:20 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 30m1 stop Belgrade Nikola Tesla

$785Multiple Airlines

Sun, Oct 4 - Wed, Dec 30

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

11h 55m1 stop Warsaw Frederic Chopin

2:35 pm - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 35m1 stop Warsaw Frederic Chopin

$786LOT

Fri, Sep 18 - Sat, Sep 26

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

11h 55m1 stop Warsaw Frederic Chopin

6:30 pm - 7:50 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

33h 20m1 stop Warsaw Frederic Chopin

$789LOT

Wed, Sep 2 - Mon, Sep 21

9:40 pm - 5:25 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 45m1 stop Munich Franz Josef Strauss

2:35 pm - 11:09 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

27h 34m2 stops Munich Franz Josef Strauss Denver Intl

$790United Airlines

Wed, Oct 7 - Wed, Mar 17

3:35 pm - 5:25 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

17h 50m1 stop Munich Franz Josef Strauss

2:35 pm - 11:09 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

27h 34m2 stops Munich Franz Josef Strauss Denver Intl

$790United Airlines

Sun, Oct 11 - Wed, Mar 17

Cheap last minute flights

Enter your travel dates to find the best prices.

9:50 pm - 1:50 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 00m1 stop Warsaw Frederic Chopin

2:35 pm - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 35m1 stop Warsaw Frederic Chopin

$838LOT

Wed, Aug 12 - Wed, Aug 26

5:10 pm - 1:50 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

24h 40m2 stops Krakow J. Paul II Balice Warsaw Frederic Chopin

2:35 pm - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 35m1 stop Warsaw Frederic Chopin

$838LOT

Thu, Aug 13 - Wed, Sep 2

10:30 pm - 11:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 20m1 stop Frankfurt am Main

6:15 am - 12:35 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

14h 20m1 stop Munich Franz Josef Strauss

$887Lufthansa

Wed, Aug 12 - Wed, Aug 26

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

2:25 pm - 9:40 amTSR Timisoara-ORD Chicago O'Hare Intl

27h 15m2 stops Bucharest Otopeni Intl Istanbul

$912Turkish Airlines

Thu, Aug 13 - Wed, Sep 2

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

2:25 pm - 9:40 amTSR Timisoara-ORD Chicago O'Hare Intl

27h 15m2 stops Bucharest Otopeni Intl Istanbul

$913Turkish Airlines

Thu, Aug 13 - Wed, Sep 2

10:30 pm - 11:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 20m1 stop Frankfurt am Main

6:05 am - 12:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

14h 50m1 stop Frankfurt am Main

$915Lufthansa

Wed, Aug 12 - Wed, Aug 26

9:40 pm - 6:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 55m1 stop Munich Franz Josef Strauss

4:10 pm - 12:35 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

28h 25m1 stop Zurich

$941Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

9:40 pm - 1:10 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 30m1 stop Munich Franz Josef Strauss

4:10 pm - 12:35 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

28h 25m1 stop Zurich

$941Multiple Airlines

Sun, Aug 9 - Tue, Aug 18

1:59 pm - 1:40 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 41m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

7:05 am - 2:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 25m1 stop Amsterdam Schiphol

$942Delta

Wed, Aug 12 - Wed, Aug 26

1:59 pm - 1:40 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 41m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

7:05 am - 2:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 25m1 stop Amsterdam Schiphol

$943Delta

Sun, Aug 9 - Wed, Aug 26

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 19

ORD4:40 pmChicago O'Hare Intl

14h 55m

1 stop

OTP3:35 pmBucharest Otopeni Intl

Sep 7

OTP4:30 amBucharest Otopeni Intl

18h 00m

1 stop

ORD2:30 pmChicago O'Hare Intl

$785

Air Serbia

Sep 19

ORD11:20 pmChicago O'Hare Intl

32h 00m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 26

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$790

Air Serbia

Sep 14

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 26

OTP4:30 amBucharest Otopeni Intl

24h 45m

1 stop

ORD9:15 pmChicago O'Hare Intl

$794

LOT flights from Chicago to Romania

Our best LOT deals on Chicago to Romania flight tickets

LOT

Sep 18

ORD9:50 pmChicago O'Hare Intl

11h 55m

1 stop

OTP5:45 pmBucharest Otopeni Intl

Sep 26

OTP2:35 pmBucharest Otopeni Intl

32h 35m

1 stop

ORD3:10 pmChicago O'Hare Intl

$786

LOT

Sep 10

ORD9:50 pmChicago O'Hare Intl

20h 00m

1 stop

OTP1:50 amBucharest Otopeni Intl

Sep 14

OTP6:30 pmBucharest Otopeni Intl

28h 40m

1 stop

ORD3:10 pmChicago O'Hare Intl

$793

LOT

Sep 18

ORD9:50 pmChicago O'Hare Intl

17h 25m

1 stop

OTP11:15 pmBucharest Otopeni Intl

Sep 25

OTP2:35 pmBucharest Otopeni Intl

13h 15m

1 stop

ORD7:50 pmChicago O'Hare Intl

$796

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Tue 10/6

8:10 pm-9:05 pm

1 stop16h 55m

Timisoara

Wed 10/21

9:55 pm-9:40 am

1 stop19h 45m

$691

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Tue 10/6

11:25 am-9:05 pm

1 stop25h 40m

Timisoara

Tue 10/20

9:05 am-6:15 pm

2 stops41h 10m

$737

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 12/5

8:50 pm-3:50 pm

2 stops35h 00m

Bucharest Otopeni Intl

Sat 12/19

8:05 pm-1:10 pm

1 stop25h 05m

$784

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 8/19

4:40 pm-3:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Sat 9/5

4:05 pm-9:15 pm

1 stop13h 10m

$785

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 8/19

4:40 pm-3:35 pm

1 stop14h 55m

Bucharest Otopeni Intl

Mon 9/7

4:30 am-2:30 pm

1 stop18h 00m

$785

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 10/4

7:25 pm-6:55 pm

2 stops15h 30m

Bucharest Otopeni Intl

Wed 12/30

3:50 pm-9:20 pm

1 stop13h 30m

$785

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 9/18

9:50 pm-5:45 pm

1 stop11h 55m

Bucharest Otopeni Intl

Sat 9/26

2:35 pm-3:10 pm

1 stop32h 35m

$786

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 9/2

9:50 pm-5:45 pm

1 stop11h 55m

Bucharest Otopeni Intl

Mon 9/21

6:30 pm-7:50 pm

1 stop33h 20m

$789

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 10/7

9:40 pm-5:25 pm

1 stop11h 45m

Cluj Napoca

Wed 3/17

2:35 pm-11:09 am

2 stops27h 34m

$790

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Sun 10/11

3:35 pm-5:25 pm

1 stop17h 50m

Cluj Napoca

Wed 3/17

2:35 pm-11:09 am

2 stops27h 34m

$790

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 February. Flight prices, which tend to average around $573, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of February, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $582.

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 Tuesday when prices can be found for as low as $853. 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 Friday because tickets tend to average around $893. 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 $768 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 3 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 23% 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	$478
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Romania from Chicago in the past 72 hours is $478. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $932.

The fastest flight from Chicago to Romania takes 12h 05m

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

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 August 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 71.70% of all bookings. The subsequent popular model is Airbus A330-200 at 28.30%.

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 10,087 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,153 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,475 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,637 reviews	Search Air France flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,555 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,177 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.2 234 reviews	Search Air Serbia flights
LOT	PriceFrom $568	Free Cancellation	Rating 7.6 1,213 reviews	Search LOT flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,033 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta 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.