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

British Airways, SWISS, and United Airlines 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 47% 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 October 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.

$314 Cheap Flights from Chicago to Romania in 2026/27

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.

8:15 pm - 8:15 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 00m1 stop Istanbul

9:35 pm - 10:00 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

20h 25m1 stop Istanbul

$616Turkish Airlines

Mon, Nov 23 - Wed, Feb 17

8:15 pm - 8:15 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 00m1 stop Istanbul

3:35 pm - 10:00 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

26h 25m1 stop Istanbul

$616Turkish Airlines

Mon, Nov 23 - Tue, Feb 16

5:30 pm - 3:05 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

13h 35m1 stop Belgrade Nikola Tesla

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

13h 10m1 stop Belgrade Nikola Tesla

$625Air Serbia

Sat, Jan 9 - Sat, May 8

5:20 pm - 3:05 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

13h 45m1 stop Belgrade Nikola Tesla

4:30 am - 2:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 15m1 stop Belgrade Nikola Tesla

$625Air Serbia

Sat, Nov 28 - Thu, Dec 10

6:30 pm - 1:30 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

23h 00m2 stops Reykjavik Keflavik Intl Rome Fiumicino

7:40 am - 5:20 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 40m2 stops Rome Fiumicino Reykjavik Keflavik Intl

$661Multiple Airlines

Wed, Dec 2 - Fri, Dec 18

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

20h 00m1 stop Warsaw Frederic Chopin

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

33h 20m1 stop Warsaw Frederic Chopin

$671LOT

Mon, Apr 19 - Mon, May 3

8:10 pm - 1:55 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

33h 45m2 stops Lisbon Humberto Delgado Milan Malpensa

4:30 am - 2:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 15m1 stop Belgrade Nikola Tesla

$682Multiple Airlines

Fri, Nov 27 - Thu, Dec 10

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

20h 00m1 stop Warsaw Frederic Chopin

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

33h 20m1 stop Warsaw Frederic Chopin

$686LOT

Mon, Apr 19 - Mon, May 3

7:05 pm - 1:05 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 00m1 stop Zurich

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

28h 25m1 stop Zurich

$689SWISS

Tue, Apr 20 - Mon, Apr 26

7:05 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 15m1 stop Zurich

6:20 am - 3:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 35m1 stop Zurich

$690SWISS

Tue, Apr 20 - Tue, May 4

Cheap last minute flights

Enter your travel dates to find the best prices.

12:45 pm - 9:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

13h 20m1 stop Istanbul

9:25 pm - 10:00 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

20h 35m1 stop Istanbul

$739Turkish Airlines

Sun, Oct 25 - Sun, Nov 8

9:15 pm - 7:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

39h 30m2 stops Istanbul Timisoara

8:35 am - 8:20 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 45m1 stop Istanbul

$740Turkish Airlines

Sun, Oct 25 - Sun, Nov 1

8:10 pm - 11:30 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 20m2 stops Kastrup Copenhagen Amsterdam Schiphol

4:50 pm - 4:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 55m2 stops Amsterdam Schiphol Kastrup Copenhagen

$912Scandinavian Airlines

Sun, Oct 25 - Sun, Nov 1

7:50 pm - 2:30 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 40m1 stop Zurich

6:10 am - 1:10 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

15h 00m2 stops Munich Franz Josef Strauss Frankfurt am Main

$940Multiple Airlines

Sun, Oct 25 - Sun, Nov 8

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

17h 50m1 stop Munich Franz Josef Strauss

6:10 am - 8:05 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

21h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main

$971Lufthansa

Fri, Oct 23 - Fri, Nov 6

5:10 pm - 2:00 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

24h 50m1 stop Warsaw Frederic Chopin

8:20 am - 8:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

19h 35m1 stop Warsaw Frederic Chopin

$976LOT

Fri, Oct 23 - Fri, Oct 30

10:52 am - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 58m2 stops Miami Munich Franz Josef Strauss

2:35 pm - 5:02 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

22h 27m2 stops Munich Franz Josef Strauss San Francisco

$988United Airlines

Sun, Oct 25 - Sun, Nov 8

8:40 am - 1:50 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

22h 10m2 stops Denver Intl Munich Franz Josef Strauss

2:35 pm - 10:29 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

15h 54m2 stops Munich Franz Josef Strauss Boston Logan Intl

$989United Airlines

Tue, Oct 27 - Sun, Dec 13

10:50 pm - 1:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 15m1 stop Munich Franz Josef Strauss

2:35 pm - 1:10 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

30h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,003Lufthansa

Tue, Oct 27 - Sun, Dec 13

7:50 pm - 2:30 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 40m1 stop Zurich

2:35 pm - 1:01 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

41h 26m2 stops Munich Franz Josef Strauss Washington, D.C. Dulles Intl

$1,087SWISS

Sun, Oct 25 - Sat, Oct 31

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Scandinavian Airlines flights from Chicago to Romania

Our best Scandinavian Airlines deals on Chicago to Romania flight tickets

Scandinavian Airlines

Oct 30

ORD8:10 pmChicago O'Hare Intl

20h 20m

2 stops

OTP11:30 pmBucharest Otopeni Intl

Nov 12

OTP4:50 pmBucharest Otopeni Intl

31h 55m

2 stops

ORD4:45 pmChicago O'Hare Intl

$846

Scandinavian Airlines

Oct 25

ORD8:10 pmChicago O'Hare Intl

20h 20m

2 stops

OTP11:30 pmBucharest Otopeni Intl

Nov 1

OTP4:50 pmBucharest Otopeni Intl

31h 55m

2 stops

ORD4:45 pmChicago O'Hare Intl

$912

Scandinavian Airlines

Oct 25

ORD8:10 pmChicago O'Hare Intl

36h 15m

2 stops

OTP3:25 pmBucharest Otopeni Intl

Nov 1

OTP4:50 pmBucharest Otopeni Intl

31h 55m

2 stops

ORD4:45 pmChicago O'Hare Intl

$941

Turkish Airlines flights from Chicago to Romania

Our best Turkish Airlines deals on Chicago to Romania flight tickets

Turkish Airlines

Nov 23

ORD8:15 pmChicago O'Hare Intl

16h 00m

1 stop

OTP8:15 pmBucharest Otopeni Intl

Feb 15

OTP10:00 amBucharest Otopeni Intl

16h 20m

1 stop

ORD6:20 pmChicago O'Hare Intl

$616

Turkish Airlines

Dec 4

ORD11:45 amChicago O'Hare Intl

18h 30m

1 stop

OTP2:15 pmBucharest Otopeni Intl

Dec 13

OTP9:35 pmBucharest Otopeni Intl

20h 25m

1 stop

ORD10:00 amChicago O'Hare Intl

$629

Turkish Airlines

Nov 5

ORD12:45 pmChicago O'Hare Intl

12h 20m

1 stop

CLJ9:05 amCluj Napoca

Nov 18

CLJ9:55 amCluj Napoca

32h 05m

1 stop

ORD10:00 amChicago O'Hare Intl

$630

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 11/23

8:15 pm-8:15 pm

1 stop16h 00m

Bucharest Otopeni Intl

Wed 2/17

9:35 pm-10:00 am

1 stop20h 25m

$616

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 11/23

8:15 pm-8:15 pm

1 stop16h 00m

Bucharest Otopeni Intl

Tue 2/16

3:35 pm-10:00 am

1 stop26h 25m

$616

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 1/9

5:30 pm-3:05 pm

1 stop13h 35m

Bucharest Otopeni Intl

Sat 5/8

4:05 pm-9:15 pm

1 stop13h 10m

$625

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 11/28

5:20 pm-3:05 pm

1 stop13h 45m

Bucharest Otopeni Intl

Thu 12/10

4:30 am-2:45 pm

1 stop18h 15m

$625

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 12/2

6:30 pm-1:30 am

2 stops23h 00m

Bucharest Otopeni Intl

Fri 12/18

7:40 am-5:20 pm

2 stops17h 40m

$661

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 4/19

9:50 pm-1:50 am

1 stop20h 00m

Bucharest Otopeni Intl

Mon 5/3

6:30 pm-7:50 pm

1 stop33h 20m

$671

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 11/27

8:10 pm-1:55 pm

2 stops33h 45m

Bucharest Otopeni Intl

Thu 12/10

4:30 am-2:45 pm

1 stop18h 15m

$682

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 4/19

9:50 pm-1:50 am

1 stop20h 00m

Bucharest Otopeni Intl

Mon 5/3

6:30 pm-7:50 pm

1 stop33h 20m

$686

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 4/20

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Mon 4/26

4:10 pm-12:35 pm

1 stop28h 25m

$689

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 4/20

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 5/4

6:20 am-3:55 pm

1 stop17h 35m

$690

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 November is also very affordable. Most momondo users find prices during this month for around $613.

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 $822 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 24% 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	$314
Fastest flight time	12h 15m
Direct flights	None

The best one-way flight to Romania from Chicago in the past 72 hours is $314. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $616.

The fastest flight from Chicago to Romania takes 12h 15m

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 October 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 70.00% of all bookings. The subsequent popular model is Airbus A330-200 at 30.00%.

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 7.3 10,394 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,272 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 4,459 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,653 reviews	Search Air France flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,592 reviews	Search KLM flights
Lufthansa	PriceFrom $561	Free Cancellation	Rating 6.8 8,286 reviews	Search Lufthansa flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,112 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
Air Serbia	PriceFrom $582	Free Cancellation	Rating 6.1 240 reviews	Search Air Serbia flights
Austrian Airlines	PriceFrom $608	Free Cancellation	Rating 7.5 984 reviews	Search Austrian Airlines 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.