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

United Airlines, Air Serbia, and Lufthansa are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport 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.

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

As of August 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.

$319 Cheap Flights from Chicago O'Hare Intl Airport to Romania in 2026

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.

8:10 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

$687Turkish Airlines

Thu, Oct 8 - Wed, Oct 21

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

14h 00m1 stop Istanbul

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

19h 45m1 stop Istanbul

$692Turkish Airlines

Mon, Sep 21 - Wed, Oct 14

1:35 pm - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 35m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

2:00 pm - 3:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 25m1 stop Amsterdam Schiphol

$738Delta

Tue, Feb 23 - Tue, Mar 16

9:30 am - 2:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 40m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

2:00 pm - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 25m1 stop Amsterdam Schiphol

$738Delta

Tue, Feb 23 - Wed, Mar 10

12:50 pm - 3:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 00m2 stops Toronto Pearson Intl Zurich

6:00 am - 1:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 10m2 stops Munich Franz Josef Strauss Frankfurt am Main

$738Multiple Airlines

Wed, Nov 25 - Wed, Dec 9

9:50 pm - 12:05 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

18h 15m1 stop London Heathrow

8:25 am - 6:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 20m1 stop London Heathrow

$739British Airways

Mon, Feb 1 - Fri, Feb 5

9:50 pm - 3:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

33h 55m1 stop London Heathrow

4:00 pm - 7:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

34h 45m1 stop London Heathrow

$739British Airways

Tue, Feb 23 - Mon, Mar 15

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

11h 55m1 stop Warsaw Frederic Chopin

8:20 am - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

19h 35m1 stop Warsaw Frederic Chopin

$741LOT

Tue, Feb 23 - Sat, Mar 13

10:50 pm - 11:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 35m1 stop Warsaw Frederic Chopin

2:35 pm - 7:50 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 15m1 stop Warsaw Frederic Chopin

$741LOT

Tue, Oct 27 - Sat, Apr 24

10:05 am - 3:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

21h 45m2 stops Toronto Pearson Intl Zurich

7:10 pm - 6:33 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 23m2 stops Vienna Intl Washington, D.C. Dulles Intl

$742Multiple Airlines

Mon, Dec 28 - Mon, Jan 11

Cheap last minute flights

Enter your travel dates to find the best prices.

11:20 pm - 3:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

32h 15m1 stop Belgrade Nikola Tesla

4:05 pm - 2:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

30h 25m1 stop Belgrade Nikola Tesla

$820Air Serbia

Sat, Aug 29 - Tue, Sep 15

11:20 pm - 3:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

32h 15m1 stop Belgrade Nikola Tesla

4:05 pm - 2:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

30h 25m1 stop Belgrade Nikola Tesla

$820Air Serbia

Sat, Aug 29 - Sun, Sep 13

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

$910SWISS

Sun, Aug 30 - Tue, Sep 15

2:20 pm - 1:10 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

26h 50m1 stop Zurich

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

17h 35m1 stop Zurich

$939SWISS

Sun, Aug 30 - Tue, Sep 15

2:20 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 00m1 stop Zurich

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

14h 50m1 stop Frankfurt am Main

$961Multiple Airlines

Sun, Aug 30 - Tue, Sep 8

7:25 pm - 10:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 10m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Budapest Ferenc Liszt Intl

8:20 pm - 4:00 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

27h 40m2 stops Rome Fiumicino Lisbon Humberto Delgado

$961Multiple Airlines

Sun, Aug 30 - Tue, Sep 8

5:10 pm - 11:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 15m1 stop Paris Charles de Gaulle

2:00 pm - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 15m1 stop Amsterdam Schiphol

$986Delta

Tue, Sep 1 - Thu, Sep 17

5:10 pm - 11:25 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 15m1 stop Paris Charles de Gaulle

2:00 pm - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 15m1 stop Amsterdam Schiphol

$986Delta

Tue, Sep 1 - Mon, Sep 14

4:15 pm - 5:40 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 25m1 stop Amsterdam Schiphol

7:05 am - 2:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 10m1 stop Amsterdam Schiphol

$991KLM

Tue, Sep 1 - Tue, Sep 15

4:20 pm - 1:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 40m1 stop Amsterdam Schiphol

7:05 am - 4:13 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 08m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$1,047KLM

Sun, Aug 30 - Tue, Sep 15

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Turkish Airlines flights from Chicago O'Hare Intl Airport to Romania

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

Turkish Airlines

Oct 8

ORD8:10 pmChicago O'Hare Intl

16h 55m

1 stop

TSR9:05 pmTimisoara

Oct 21

TSR9:55 pmTimisoara

19h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$687

Turkish Airlines

Sep 21

ORD11:25 amChicago O'Hare Intl

14h 00m

1 stop

TSR9:25 amTimisoara

Oct 14

TSR9:55 pmTimisoara

19h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$692

Turkish Airlines

Oct 7

ORD11:25 amChicago O'Hare Intl

22h 40m

2 stops

TSR6:05 pmTimisoara

Oct 14

TSR9:55 pmTimisoara

19h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$716

Air Serbia flights from Chicago O'Hare Intl Airport to Romania

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

Air Serbia

Sep 5

ORD11:20 pmChicago O'Hare Intl

19h 45m

1 stop

OTP3:05 amBucharest Otopeni Intl

Sep 8

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$785

Air Serbia

Sep 21

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Oct 13

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$791

Air Serbia

Sep 5

ORD11:20 pmChicago O'Hare Intl

19h 45m

1 stop

OTP3:05 amBucharest Otopeni Intl

Sep 8

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$801

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

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Thu 10/8

8:10 pm-9:05 pm

1 stop16h 55m

Timisoara

Wed 10/21

9:55 pm-9:40 am

1 stop19h 45m

$687

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Mon 9/21

11:25 am-9:25 am

1 stop14h 00m

Timisoara

Wed 10/14

9:55 pm-9:40 am

1 stop19h 45m

$692

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 2/23

1:35 pm-2:10 pm

2 stops16h 35m

Bucharest Otopeni Intl

Tue 3/16

2:00 pm-3:25 pm

1 stop32h 25m

$738

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 2/23

9:30 am-2:10 pm

2 stops20h 40m

Bucharest Otopeni Intl

Wed 3/10

2:00 pm-2:25 pm

1 stop32h 25m

$738

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 11/25

12:50 pm-3:50 pm

2 stops19h 00m

Bucharest Otopeni Intl

Wed 12/9

6:00 am-1:10 pm

2 stops15h 10m

$738

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 2/1

9:50 pm-12:05 am

1 stop18h 15m

Bucharest Otopeni Intl

Fri 2/5

8:25 am-6:45 pm

1 stop18h 20m

$739

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 2/23

9:50 pm-3:45 pm

1 stop33h 55m

Bucharest Otopeni Intl

Mon 3/15

4:00 pm-7:45 pm

1 stop34h 45m

$739

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 2/23

9:50 pm-5:45 pm

1 stop11h 55m

Bucharest Otopeni Intl

Sat 3/13

8:20 am-7:55 pm

1 stop19h 35m

$741

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 10/27

10:50 pm-11:25 pm

1 stop17h 35m

Bucharest Otopeni Intl

Sat 4/24

2:35 pm-7:50 pm

1 stop13h 15m

$741

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 12/28

10:05 am-3:50 pm

2 stops21h 45m

Bucharest Otopeni Intl

Mon 1/11

7:10 pm-6:33 pm

2 stops31h 23m

$742

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 $568, 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 January is also very affordable. Most momondo users find prices during this month for around $577.

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 $771 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 23% 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	$319
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Romania from Chicago O'Hare Intl Airport in the past 72 hours is $319. The best round-trip flight deal from Chicago O'Hare Intl Airport to Romania found on momondo in the last 72 hours is $687.

The fastest flight from Chicago O'Hare Intl Airport to Romania takes 12h 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 August 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 10,136 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,190 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,485 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,645 reviews	Search Air France flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,566 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,226 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.1 237 reviews	Search Air Serbia flights
LOT	PriceFrom $568	Free Cancellation	Rating 7.5 1,212 reviews	Search LOT flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,058 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,536 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. 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.