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

United Airlines, Air Canada, 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 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.

$304 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

$660Turkish Airlines

Thu, Oct 8 - Wed, Oct 21

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

6:45 pm - 9:40 amTSR Timisoara-ORD Chicago O'Hare Intl

22h 55m2 stops Bucharest Otopeni Intl Istanbul

$676Turkish Airlines

Tue, Oct 13 - Tue, Oct 20

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

6:45 pm - 11:00 amTSR Timisoara-ORD Chicago O'Hare Intl

23h 15m2 stops Bucharest Otopeni Intl Istanbul

$734Multiple Airlines

Tue, Oct 13 - Tue, Oct 27

8:10 pm - 9:05 pmORD Chicago O'Hare Intl-TSR Timisoara

16h 55m1 stop Istanbul

2:50 pm - 11:00 amTSR Timisoara-ORD Chicago O'Hare Intl

27h 10m2 stops Bucharest Otopeni Intl Istanbul

$734Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

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

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

6:00 am - 2:25 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

16h 25m1 stop Amsterdam Schiphol

$738Delta

Wed, Feb 24 - Thu, Mar 11

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

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

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

18h 20m1 stop London Heathrow

$739British Airways

Tue, Feb 23 - Fri, Mar 12

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

32h 00m1 stop Warsaw Frederic Chopin

2:35 pm - 8:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

$741LOT

Sat, Feb 27 - Wed, Mar 17

9:50 pm - 1:45 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 55m1 stop Warsaw Frederic Chopin

2:35 pm - 8:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

13h 20m1 stop Warsaw Frederic Chopin

$741LOT

Fri, Feb 26 - Wed, Mar 17

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

30h 25m1 stop Belgrade Nikola Tesla

$786Air Serbia

Sat, Sep 5 - 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

$816Air Serbia

Wed, Sep 2 - Tue, Sep 22

5:10 pm - 1:20 pmORD Chicago O'Hare Intl-CLJ Cluj Napoca

12h 10m1 stop Warsaw Frederic Chopin

2:00 pm - 7:50 pmCLJ Cluj Napoca-ORD Chicago O'Hare Intl

13h 50m1 stop Warsaw Frederic Chopin

$918LOT

Sat, Sep 5 - Tue, Oct 6

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

20h 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

$924LOT

Tue, Sep 1 - Wed, Sep 30

2:40 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 40m1 stop Zurich

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

14h 15m1 stop Zurich

$960SWISS

Tue, Sep 1 - Wed, Sep 16

2:40 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 40m1 stop Zurich

6:20 am - 8:12 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

21h 52m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$965Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

2:40 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 40m1 stop Zurich

6:20 am - 8:12 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

21h 52m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$974Multiple Airlines

Tue, Sep 1 - Wed, Sep 30

2:40 pm - 3:20 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 40m1 stop Zurich

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

17h 35m1 stop Zurich

$989SWISS

Tue, Sep 1 - Fri, Sep 25

6:05 pm - 2:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

12h 30m1 stop London Heathrow

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

17h 00m1 stop London Heathrow

$989American Airlines

Wed, Sep 2 - Wed, Sep 16

1:54 pm - 2:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

16h 41m2 stops Boston Logan Intl London Heathrow

8:15 am - 2:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

14h 40m1 stop London Heathrow

$993American Airlines

Wed, Sep 2 - Wed, Sep 16

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Air Serbia flights from Chicago to Romania

Our best Air Serbia deals on Chicago 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

$786

Air Serbia

Oct 7

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Jan 6

OTP3:50 pmBucharest Otopeni Intl

13h 30m

1 stop

ORD9:20 pmChicago O'Hare Intl

$791

Air Serbia

Sep 2

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 26

OTP4:30 amBucharest Otopeni Intl

24h 45m

1 stop

ORD9:15 pmChicago O'Hare Intl

$816

KLM flights from Chicago to Romania

Our best KLM deals on Chicago to Romania flight tickets

KLM

Oct 14

MDW1:27 pmChicago Midway

15h 33m

2 stops

OTP1:00 pmBucharest Otopeni Intl

Oct 21

OTP7:05 amBucharest Otopeni Intl

17h 42m

2 stops

MDW4:47 pmChicago Midway

$845

KLM

Oct 15

MDW6:44 pmChicago Midway

14h 36m

2 stops

OTP5:20 pmBucharest Otopeni Intl

Nov 10

OTP8:35 amBucharest Otopeni Intl

17h 29m

2 stops

MDW6:04 pmChicago Midway

$852

KLM

Oct 30

MDW6:44 pmChicago Midway

15h 26m

2 stops

OTP5:10 pmBucharest Otopeni Intl

Nov 7

OTP8:35 amBucharest Otopeni Intl

17h 25m

2 stops

MDW6:00 pmChicago Midway

$902

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

$660

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Tue 10/13

8:10 pm-9:05 pm

1 stop16h 55m

Timisoara

Tue 10/20

6:45 pm-9:40 am

2 stops22h 55m

$676

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Tue 10/13

8:10 pm-9:05 pm

1 stop16h 55m

Timisoara

Tue 10/27

6:45 pm-11:00 am

2 stops23h 15m

$734

ChicagoTimisoara

ORD Chicago O'Hare Intl - TSR Timisoara

ORDTSR

Chicago O'Hare Intl

Tue 10/20

8:10 pm-9:05 pm

1 stop16h 55m

Timisoara

Tue 10/27

2:50 pm-11:00 am

2 stops27h 10m

$734

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 2/24

9:30 am-2:10 pm

2 stops20h 40m

Bucharest Otopeni Intl

Thu 3/11

6:00 am-2:25 pm

1 stop16h 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

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

Fri 3/12

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

Sat 2/27

9:50 pm-1:50 pm

1 stop32h 00m

Bucharest Otopeni Intl

Wed 3/17

2:35 pm-8:55 pm

1 stop13h 20m

$741

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 2/26

9:50 pm-1:45 am

1 stop19h 55m

Bucharest Otopeni Intl

Wed 3/17

2:35 pm-8:55 pm

1 stop13h 20m

$741

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 $596.

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 $775 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	$304
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Romania from Chicago in the past 72 hours is $304. The best round-trip flight deal from Chicago to Romania found on momondo in the last 72 hours is $660.

The fastest flight from Chicago to Romania takes 12h 20m

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 10,157 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,195 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,478 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 1,569 reviews	Search KLM flights
Lufthansa	PriceFrom $549	Free Cancellation	Rating 6.8 8,228 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 1,207 reviews	Search LOT flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,060 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,539 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.