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

Lufthansa, Delta, and Air Serbia 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.

$311 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

Thu, Oct 8 - Wed, Oct 21

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

$695Turkish Airlines

Thu, Oct 8 - Wed, Oct 21

9:00 pm - 12:00 pmORD Chicago O'Hare Intl-IAS Iasi

31h 00m1 stop Dublin

5:45 am - 7:15 pmIAS Iasi-ORD Chicago O'Hare Intl

21h 30m2 stops Paris Beauvais-Tille Dublin

$699Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

4:30 pm - 3:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 20m2 stops Toronto Pearson Intl Zurich

6:00 am - 2:52 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 52m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$768Multiple Airlines

Fri, Jan 15 - Tue, Feb 9

11:15 am - 12:30 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 15m2 stops Washington, D.C. Dulles Intl Vienna Intl

7:10 pm - 2:00 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

26h 50m1 stop Vienna Intl

$769United Airlines

Wed, Dec 2 - Tue, Dec 8

1:31 pm - 3:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 39m2 stops New York John F Kennedy Intl London Heathrow

8:20 am - 6:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

18h 25m1 stop London Heathrow

$769British Airways

Fri, Jan 15 - Tue, Feb 9

9:50 pm - 11:15 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 25m1 stop Warsaw Frederic Chopin

8:20 am - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

14h 50m1 stop Warsaw Frederic Chopin

$777LOT

Fri, Oct 9 - Sun, Oct 18

1:31 pm - 3:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 39m2 stops New York John F Kennedy Intl London Heathrow

8:25 am - 8:00 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

19h 35m2 stops London Heathrow Toronto Pearson Intl

$777British Airways

Fri, Jan 22 - Fri, Feb 5

1:12 pm - 12:30 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

15h 18m2 stops Washington, D.C. Dulles Intl Vienna Intl

7:10 pm - 9:47 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

34h 37m2 stops Vienna Intl Newark

$779United Airlines

Wed, Dec 2 - Tue, Dec 8

5:10 pm - 5:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 35m2 stops Krakow J. Paul II Balice Warsaw Frederic Chopin

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

19h 35m1 stop Warsaw Frederic Chopin

$781LOT

Thu, Oct 15 - Thu, Nov 5

Cheap last minute flights

Enter your travel dates to find the best prices.

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

14h 00m1 stop Istanbul

9:00 pm - 7:15 pmTSR Timisoara-ORD Chicago O'Hare Intl

54h 15m2 stops Bergamo Orio Al Serio Dublin

$769Multiple Airlines

Mon, Aug 24 - Fri, Sep 18

4:40 pm - 3:05 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

26h 25m1 stop Belgrade Nikola Tesla

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

30h 25m1 stop Belgrade Nikola Tesla

$789Air Serbia

Wed, Aug 26 - Tue, Sep 8

4:40 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

14h 40m1 stop Belgrade Nikola Tesla

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

30h 25m1 stop Belgrade Nikola Tesla

$789Air Serbia

Mon, Aug 24 - Tue, Sep 8

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

32h 00m1 stop Warsaw Frederic Chopin

6:30 pm - 3:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

28h 40m1 stop Warsaw Frederic Chopin

$843LOT

Wed, Aug 26 - Wed, Sep 9

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

20h 00m1 stop Warsaw Frederic Chopin

6:30 pm - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

33h 25m1 stop Warsaw Frederic Chopin

$872LOT

Sun, Aug 23 - Tue, Feb 23

11:20 pm - 3:05 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 45m1 stop Belgrade Nikola Tesla

11:20 pm - 10:59 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 39m2 stops Dublin Orlando

$889Multiple Airlines

Sat, Aug 22 - Thu, Sep 10

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

12h 15m1 stop Zurich

4:10 pm - 3:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 45m1 stop Zurich

$922SWISS

Wed, Aug 26 - Thu, Sep 10

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

$922SWISS

Wed, Aug 26 - Fri, Sep 11

1:55 pm - 1:10 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

15h 15m2 stops Charlotte Douglas Munich Franz Josef Strauss

6:00 am - 12:35 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

14h 35m1 stop Munich Franz Josef Strauss

$947Lufthansa

Wed, Aug 26 - Wed, Sep 16

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

19h 30m1 stop Munich Franz Josef Strauss

6:05 am - 7:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

21h 50m1 stop Frankfurt am Main

$959Lufthansa

Sun, Aug 23 - Wed, Sep 2

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Scandinavian Airlines flights from Chicago to Romania

Our best Scandinavian Airlines deals on Chicago to Romania flight tickets

Scandinavian Airlines

Sep 9

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 23

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$792

Scandinavian Airlines

Sep 13

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 16

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$800

Scandinavian Airlines

Oct 5

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Oct 12

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$803

Delta flights from Chicago to Romania

Our best Delta deals on Chicago to Romania flight tickets

Delta

Oct 13

ORD6:30 amChicago O'Hare Intl

22h 15m

2 stops

OTP12:45 pmBucharest Otopeni Intl

Nov 4

OTP2:00 pmBucharest Otopeni Intl

32h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$787

Delta

Oct 12

ORD9:59 amChicago O'Hare Intl

18h 46m

2 stops

OTP12:45 pmBucharest Otopeni Intl

Nov 6

OTP5:55 amBucharest Otopeni Intl

18h 20m

1 stop

ORD4:15 pmChicago O'Hare Intl

$794

Delta

Oct 12

ORD9:59 amChicago O'Hare Intl

18h 46m

2 stops

OTP12:45 pmBucharest Otopeni Intl

Nov 3

OTP6:00 amBucharest Otopeni Intl

18h 26m

2 stops

ORD4:26 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

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

$691

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

$695

ChicagoIaşi

ORD Chicago O'Hare Intl - IAS Iasi

ORDIAS

Chicago O'Hare Intl

Mon 10/5

9:00 pm-12:00 pm

1 stop31h 00m

Iasi

Mon 10/12

5:45 am-7:15 pm

2 stops21h 30m

$699

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 1/15

4:30 pm-3:50 pm

2 stops15h 20m

Bucharest Otopeni Intl

Tue 2/9

6:00 am-2:52 pm

2 stops16h 52m

$768

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 12/2

11:15 am-12:30 pm

2 stops17h 15m

Bucharest Otopeni Intl

Tue 12/8

7:10 pm-2:00 pm

1 stop26h 50m

$769

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 1/15

1:31 pm-3:10 pm

2 stops17h 39m

Bucharest Otopeni Intl

Tue 2/9

8:20 am-6:45 pm

1 stop18h 25m

$769

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 10/9

9:50 pm-11:15 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sun 10/18

8:20 am-3:10 pm

1 stop14h 50m

$777

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 1/22

1:31 pm-3:10 pm

2 stops17h 39m

Bucharest Otopeni Intl

Fri 2/5

8:25 am-8:00 pm

2 stops19h 35m

$777

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 12/2

1:12 pm-12:30 pm

2 stops15h 18m

Bucharest Otopeni Intl

Tue 12/8

7:10 pm-9:47 pm

2 stops34h 37m

$779

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Thu 10/15

5:10 pm-5:45 pm

2 stops16h 35m

Bucharest Otopeni Intl

Thu 11/5

8:20 am-7:55 pm

1 stop19h 35m

$781

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 $598.

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 $770 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	$311
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Romania from Chicago in the past 72 hours is $311. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $691.

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 A330-200, representing 68.18% of all bookings. The subsequent popular model is Airbus A330 at 31.82%.

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 10,108 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,183 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,481 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,647 reviews	Search Air France flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,563 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,203 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.1 238 reviews	Search Air Serbia flights
LOT	PriceFrom $568	Free Cancellation	Rating 7.5 1,213 reviews	Search LOT flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,049 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,514 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.