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

Air Serbia, Lufthansa, 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 September 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.

$301 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.

9:50 pm - 5:30 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 40m1 stop Warsaw Frederic Chopin

1:55 pm - 7:55 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

14h 00m1 stop Warsaw Frederic Chopin

$685LOT

Wed, Oct 7 - Wed, Feb 3

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

12h 20m1 stop Istanbul

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

20h 35m1 stop Istanbul

$689Turkish Airlines

Tue, Nov 3 - Tue, Nov 24

11:45 am - 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

$690Turkish Airlines

Tue, Nov 10 - Tue, Nov 17

9:50 pm - 5:20 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

11h 30m1 stop Warsaw Frederic Chopin

6:00 pm - 7:55 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

33h 55m1 stop Warsaw Frederic Chopin

$695LOT

Mon, Nov 30 - Tue, Feb 23

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

19h 15m1 stop Munich Franz Josef Strauss

10:45 am - 4:15 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

13h 30m1 stop Zurich

$696Multiple Airlines

Mon, Jan 11 - Thu, Jan 14

9:50 pm - 6:30 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 40m1 stop Munich Franz Josef Strauss

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

31h 35m1 stop Zurich

$712Multiple Airlines

Mon, Nov 16 - Sun, Nov 29

9:50 pm - 1:00 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 10m1 stop Munich Franz Josef Strauss

6:00 am - 9:13 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

23h 13m2 stops Munich Franz Josef Strauss Denver Intl

$714Lufthansa

Sun, Nov 29 - Fri, Feb 26

5:10 pm - 12:05 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 55m1 stop London Heathrow

4:00 pm - 1:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

29h 45m1 stop London Heathrow

$715British Airways

Mon, Dec 14 - Mon, Jan 11

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

18h 15m1 stop London Heathrow

4:00 pm - 6:45 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

34h 45m1 stop London Heathrow

$715British Airways

Mon, Dec 14 - Wed, Jan 13

9:50 pm - 1:00 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 10m1 stop Munich Franz Josef Strauss

7:15 pm - 6:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 10m1 stop Munich Franz Josef Strauss

$734Lufthansa

Sun, Dec 27 - Tue, Jan 5

Cheap last minute flights

Enter your travel dates to find the best prices.

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

19h 45m1 stop Belgrade Nikola Tesla

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

13h 10m1 stop Belgrade Nikola Tesla

$788Air Serbia

Sat, Sep 19 - Sat, Oct 10

10:25 pm - 1:20 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

18h 55m1 stop London Heathrow

3:30 pm - 12:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

29h 00m1 stop London Heathrow

$828American Airlines

Mon, Sep 21 - Fri, Oct 9

3:45 pm - 1:35 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

25h 50m2 stops Toronto Pearson Intl Barcelona-El Prat

6:20 pm - 12:35 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

26h 15m2 stops Barcelona-El Prat Zurich

$866Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

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

16h 05m1 stop Istanbul

9:55 am - 9:40 amCLJ Cluj Napoca-ORD Chicago O'Hare Intl

31h 45m1 stop Istanbul

$881Turkish Airlines

Wed, Sep 23 - Wed, Oct 21

3:45 pm - 11:10 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

23h 25m2 stops Toronto Pearson Intl Barcelona-El Prat

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

26h 20m2 stops Barcelona-El Prat Zurich

$903Multiple Airlines

Mon, Sep 21 - Fri, Oct 9

8:10 pm - 8:25 amORD Chicago O'Hare Intl-TSR Timisoara

28h 15m2 stops Istanbul Bucharest Otopeni Intl

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

19h 45m1 stop Istanbul

$913Turkish Airlines

Mon, Sep 21 - Wed, Oct 21

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

19h 45m1 stop Belgrade Nikola Tesla

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

30h 25m1 stop Belgrade Nikola Tesla

$1,000Air Serbia

Sat, Sep 19 - Sun, Jun 13

7:05 pm - 1:10 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 05m1 stop Zurich

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

31h 45m1 stop Zurich

$1,007SWISS

Sat, Sep 19 - Wed, Jun 16

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

17h 00m1 stop Zurich

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

28h 25m1 stop Zurich

$1,017SWISS

Thu, Sep 24 - Mon, Sep 28

11:37 am - 2:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

18h 23m2 stops New York John F Kennedy Intl London Heathrow

8:15 am - 5:35 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

17h 20m1 stop London Heathrow

$1,161American Airlines

Sat, Sep 19 - Sat, Oct 10

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Air Serbia flights from Chicago to Romania

Our best Air Serbia deals on Chicago to Romania flight tickets

Air Serbia

Oct 7

ORD4:40 pmChicago O'Hare Intl

26h 25m

1 stop

OTP3:05 amBucharest Otopeni Intl

Oct 17

OTP4:30 amBucharest Otopeni Intl

24h 45m

1 stop

ORD9:15 pmChicago O'Hare Intl

$758

Air Serbia

Sep 26

ORD11:20 pmChicago O'Hare Intl

19h 45m

1 stop

OTP3:05 amBucharest Otopeni Intl

Oct 10

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$785

Air Serbia

Sep 19

ORD11:20 pmChicago O'Hare Intl

19h 45m

1 stop

OTP3:05 amBucharest Otopeni Intl

Oct 10

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$788

British Airways flights from Chicago to Romania

Our best British Airways deals on Chicago to Romania flight tickets

British Airways

Dec 14

ORD5:10 pmChicago O'Hare Intl

14h 20m

1 stop

OTP3:30 pmBucharest Otopeni Intl

Jan 12

OTP8:20 amBucharest Otopeni Intl

18h 25m

1 stop

ORD6:45 pmChicago O'Hare Intl

$715

British Airways

Oct 14

ORD1:31 pmChicago O'Hare Intl

17h 04m

2 stops

OTP2:35 pmBucharest Otopeni Intl

Oct 21

OTP8:15 amBucharest Otopeni Intl

20h 50m

2 stops

ORD9:05 pmChicago O'Hare Intl

$730

British Airways

Feb 1

ORD9:50 pmChicago O'Hare Intl

18h 15m

1 stop

OTP12:05 amBucharest Otopeni Intl

Feb 5

OTP8:25 amBucharest Otopeni Intl

18h 20m

1 stop

ORD6:45 pmChicago O'Hare Intl

$738

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Wed 10/7

9:50 pm-5:30 pm

1 stop11h 40m

Cluj Napoca

Wed 2/3

1:55 pm-7:55 pm

1 stop14h 00m

$685

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Tue 11/3

12:45 pm-9:05 am

1 stop12h 20m

Cluj Napoca

Tue 11/24

9:25 pm-10:00 am

1 stop20h 35m

$689

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Tue 11/10

11:45 am-9:05 am

1 stop13h 20m

Cluj Napoca

Tue 11/17

9:25 pm-10:00 am

1 stop20h 35m

$690

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Mon 11/30

9:50 pm-5:20 pm

1 stop11h 30m

Cluj Napoca

Tue 2/23

6:00 pm-7:55 pm

1 stop33h 55m

$695

ChicagoCluj Napoca

ORD Chicago O'Hare Intl - CLJ Cluj Napoca

ORDCLJ

Chicago O'Hare Intl

Mon 1/11

9:50 pm-1:05 am

1 stop19h 15m

Cluj Napoca

Thu 1/14

10:45 am-4:15 pm

1 stop13h 30m

$696

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 11/16

9:50 pm-6:30 pm

1 stop12h 40m

Bucharest Otopeni Intl

Sun 11/29

4:40 pm-4:15 pm

1 stop31h 35m

$712

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 11/29

9:50 pm-1:00 am

1 stop19h 10m

Bucharest Otopeni Intl

Fri 2/26

6:00 am-9:13 pm

2 stops23h 13m

$714

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 12/14

5:10 pm-12:05 am

1 stop22h 55m

Bucharest Otopeni Intl

Mon 1/11

4:00 pm-1:45 pm

1 stop29h 45m

$715

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 12/14

9:50 pm-12:05 am

1 stop18h 15m

Bucharest Otopeni Intl

Wed 1/13

4:00 pm-6:45 pm

1 stop34h 45m

$715

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 12/27

9:50 pm-1:00 am

1 stop19h 10m

Bucharest Otopeni Intl

Tue 1/5

7:15 pm-6:25 pm

1 stop31h 10m

$734

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 $575.

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 $782 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	$301
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Romania from Chicago in the past 72 hours is $301. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $685.

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 September 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 7.4 10,231 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,229 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,464 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,650 reviews	Search Air France flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,577 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,235 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 7.6 1,198 reviews	Search LOT flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,076 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,586 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.