What airlines fly to Romania?

Lufthansa, Turkish Airlines and LOT are the top three most popular airlines that fly to Romania from Chicago O'Hare Intl Airport 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.

What is the cheapest airline that flies from Chicago O'Hare Intl to Romania?

British Airways, Air Serbia, and Austrian Airlines are the most popular carriers operating from Chicago O'Hare Intl to Romania

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Romania?

As of October 2026, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Romania.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Romania?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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.

$318 Cheap Flights from Chicago O'Hare Intl Airport to Romania in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport to Romania

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:15 pm - 8:35 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

16h 20m1 stop Istanbul

9:55 am - 10:00 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

32h 05m1 stop Istanbul

$632Turkish Airlines

Wed, Nov 11 - Wed, Nov 18

8:15 pm - 8:35 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

16h 20m1 stop Istanbul

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

20h 35m1 stop Istanbul

$632Turkish Airlines

Mon, Nov 16 - Tue, Nov 24

11:20 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

32h 00m1 stop Belgrade Nikola Tesla

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

13h 10m1 stop Belgrade Nikola Tesla

$671Air Serbia

Sat, Apr 10 - Sat, Apr 24

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

32h 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

$672LOT

Fri, Apr 9 - Fri, Apr 23

6:50 pm - 3:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

13h 00m1 stop Zurich

4:40 pm - 4:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 35m1 stop Zurich

$674SWISS

Tue, Feb 9 - Tue, Feb 23

6:50 pm - 1:15 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 25m1 stop Zurich

4:40 pm - 4:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 35m1 stop Zurich

$674SWISS

Mon, Feb 8 - Mon, Feb 22

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

13h 35m1 stop Belgrade Nikola Tesla

11:25 pm - 5:20 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

25h 55m2 stops Gdansk Rebiechowo Reykjavik Keflavik Intl

$688Multiple Airlines

Sat, Jan 9 - Sat, Jan 23

9:50 pm - 1:05 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 15m1 stop Munich Franz Josef Strauss

2:35 pm - 2:52 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

31h 17m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl

$689Multiple Airlines

Wed, Feb 24 - Wed, Mar 17

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

32h 00m1 stop Warsaw Frederic Chopin

5:35 am - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

22h 20m1 stop Warsaw Frederic Chopin

$706LOT

Sat, Jan 16 - Sat, Jan 30

11:55 pm - 3:10 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 15m1 stop Belgrade Nikola Tesla

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

13h 30m1 stop Belgrade Nikola Tesla

$766Air Serbia

Wed, Dec 23 - Wed, Jan 6

Cheap last minute flights

Enter your travel dates to find the best prices.

8:10 pm - 8:15 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

16h 05m1 stop Istanbul

9:25 pm - 11:00 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

21h 35m1 stop Istanbul

$668Turkish Airlines

Mon, Oct 19 - Tue, Nov 3

8:10 pm - 8:15 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

16h 05m1 stop Istanbul

9:25 pm - 11:00 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

21h 35m1 stop Istanbul

$694Turkish Airlines

Mon, Oct 19 - Tue, Nov 3

3:35 pm - 1:10 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

13h 35m1 stop Munich Franz Josef Strauss

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

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

$873Lufthansa

Mon, Oct 19 - Tue, Nov 3

3:35 pm - 1:10 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

13h 35m1 stop Munich Franz Josef Strauss

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

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

$874Lufthansa

Mon, Oct 19 - Tue, Nov 3

3:45 pm - 1:10 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

37h 25m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

6:10 am - 6:25 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

20h 15m1 stop Munich Franz Josef Strauss

$909Multiple Airlines

Mon, Oct 19 - Tue, Nov 3

6:00 pm - 5:25 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

15h 25m1 stop Munich Franz Josef Strauss

6:10 am - 6:25 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

20h 15m1 stop Munich Franz Josef Strauss

$922United Airlines

Mon, Oct 19 - Tue, Nov 3

1:55 pm - 5:25 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

19h 30m2 stops Boston Logan Intl Munich Franz Josef Strauss

6:10 am - 6:25 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

20h 15m1 stop Munich Franz Josef Strauss

$922United Airlines

Mon, Oct 19 - Tue, Nov 3

9:40 pm - 12:30 amORD Chicago O'Hare Intl-CLJ Cluj Napoca

18h 50m1 stop Munich Franz Josef Strauss

6:10 am - 8:00 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 50m2 stops Munich Franz Josef Strauss Montreal Pierre Elliott Trudeau Intl

$922Multiple Airlines

Tue, Oct 20 - Wed, Nov 18

3:40 pm - 3:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:00 am - 4:37 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 37m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$934KLM

Mon, Oct 19 - Wed, Mar 17

3:40 pm - 3:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:00 am - 4:37 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 37m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$935KLM

Mon, Oct 19 - Wed, Mar 17

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LOT flights from Chicago O'Hare Intl Airport to Romania

Our best LOT deals on Chicago O'Hare Intl Airport to Romania flight tickets

LOT

Apr 9

ORD9:50 pmChicago O'Hare Intl

32h 00m

1 stop

OTP1:50 pmBucharest Otopeni Intl

Apr 23

OTP2:35 pmBucharest Otopeni Intl

32h 35m

1 stop

ORD3:10 pmChicago O'Hare Intl

$672

LOT

Feb 12

ORD9:50 pmChicago O'Hare Intl

31h 00m

1 stop

CLJ12:50 pmCluj Napoca

Mar 15

CLJ6:00 pmCluj Napoca

33h 55m

1 stop

ORD8:55 pmChicago O'Hare Intl

$732

LOT

Nov 2

ORD9:50 pmChicago O'Hare Intl

32h 05m

1 stop

OMR1:55 pmOradea

Nov 14

OMR6:10 pmOradea

33h 45m

1 stop

ORD7:55 pmChicago O'Hare Intl

$954

SWISS flights from Chicago O'Hare Intl Airport to Romania

Our best SWISS deals on Chicago O'Hare Intl Airport to Romania flight tickets

SWISS

Feb 8

ORD6:50 pmChicago O'Hare Intl

22h 25m

1 stop

OTP1:15 amBucharest Otopeni Intl

Feb 22

OTP4:40 pmBucharest Otopeni Intl

31h 35m

1 stop

ORD4:15 pmChicago O'Hare Intl

$674

SWISS

Jan 12

ORD6:50 pmChicago O'Hare Intl

13h 00m

1 stop

OTP3:50 pmBucharest Otopeni Intl

Jan 26

OTP6:30 amBucharest Otopeni Intl

17h 45m

1 stop

ORD4:15 pmChicago O'Hare Intl

$684

SWISS

Apr 12

ORD7:05 pmChicago O'Hare Intl

12h 15m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Apr 26

OTP4:10 pmBucharest Otopeni Intl

28h 25m

1 stop

ORD12:35 pmChicago O'Hare Intl

$690

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Romania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 11/11

8:15 pm-8:35 pm

1 stop16h 20m

Cluj Napoca

Wed 11/18

9:55 am-10:00 am

1 stop32h 05m

$632

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Mon 11/16

8:15 pm-8:35 pm

1 stop16h 20m

Cluj Napoca

Tue 11/24

9:25 pm-10:00 am

1 stop20h 35m

$632

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 4/10

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sat 4/24

4:05 pm-9:15 pm

1 stop13h 10m

$671

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 4/9

9:50 pm-1:50 pm

1 stop32h 00m

Bucharest Otopeni Intl

Fri 4/23

2:35 pm-3:10 pm

1 stop32h 35m

$672

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 2/9

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Tue 2/23

4:40 pm-4:15 pm

1 stop31h 35m

$674

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 2/8

6:50 pm-1:15 am

1 stop22h 25m

Bucharest Otopeni Intl

Mon 2/22

4:40 pm-4:15 pm

1 stop31h 35m

$674

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 1/23

11:25 pm-5:20 pm

2 stops25h 55m

$688

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 2/24

9:50 pm-1:05 am

1 stop19h 15m

Cluj Napoca

Wed 3/17

2:35 pm-2:52 pm

2 stops31h 17m

$689

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 1/16

9:50 pm-1:50 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sat 1/30

5:35 am-7:55 pm

1 stop22h 20m

$706

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 12/23

11:55 pm-3:10 am

1 stop19h 15m

Bucharest Otopeni Intl

Wed 1/6

3:50 pm-9:20 pm

1 stop13h 30m

$766

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 O'Hare Intl Airport 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 O'Hare Intl Airport is in November. Flight prices, which tend to average around $545, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of November, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $581.

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 O'Hare Intl to Romania flight route?

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

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Romania?

You are more likely to see cheaper flights to Romania from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Romania for around $816 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Romania from Chicago O'Hare Intl Airport for as low as $365 on momondo.

What cabin class options are available on Chicago O'Hare Intl Airport to Romania flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Romania flights?

You could potentially save up to 24% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Romania flight.

Cheap Chicago O'Hare Intl Airport to Romania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Romania

Best Price Found	$318
Fastest flight time	13h 20m
Direct flights	None

The best one-way flight to Romania from Chicago O'Hare Intl Airport in the past 72 hours is $318. The best round-trip flight deal from Chicago O'Hare Intl Airport to Romania found on momondo in the last 72 hours is $632.

The fastest flight from Chicago O'Hare Intl Airport to Romania takes 13h 20m

There are no direct flights from Chicago O'Hare Intl Airport to Romania. There are no popular flight routes from Chicago O'Hare Intl Airport to Romania.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Romania

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Romania?
Prices for flights from Chicago O'Hare Intl Airport to Romania refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Romania?
As of October 2026, there are 13 operators available to choose from for flights from Chicago O'Hare Intl Airport to Romania.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Romania?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Romania?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Romania is Airbus A330 (70.00% of total bookings). The next most popular plane model is Airbus A330-200 (30.00%).

Best airlines flying from Chicago O'Hare Intl Airport to Romania

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Romania with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 10,365 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,261 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 4,455 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,651 reviews	Search Air France flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.1 240 reviews	Search Air Serbia flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,588 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,278 reviews	Search Lufthansa flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,104 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
Austrian Airlines	PriceFrom $608	Free Cancellation	Rating 7.6 980 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. All flights to Romania from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Chicago to Romania flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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.