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

British Airways, Lufthansa, and Air Serbia are the most popular carriers operating from Illinois to Romania

What airlines fly to Romania?

Lufthansa, Turkish Airlines and LOT are the top three most popular airlines that fly to Romania from Illinois according to our data. Lufthansa is the first choice among our users, with 45% 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 Illinois to Romania?

Prices for flights from Illinois to Romania are updated daily.

How many operators does momondo search for flights from Illinois to Romania?

As of March 2026, there are 13 operators available to choose from for flights from Illinois to Romania.

How old do you have to be to fly from Illinois 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 Illinois to Romania.

What documentation or ID do you need to fly to Romania?

The travel and health documents required for your trip to Romania can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Romania. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$328 Cheap Flights from Illinois to Romania in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Romania

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 8:15 pm

ORD

CLJ

16h 05m

1 stop

9:05 pm - 9:40 am

CLJ

ORD

20h 35m

1 stop

$514Turkish Airlines

Thu, Aug 13 - Thu, Sep 17

8:10 pm - 8:15 pm

ORD

CLJ

16h 05m

1 stop

9:55 am - 9:40 am

CLJ

ORD

31h 45m

1 stop

$515Turkish Airlines

Wed, Apr 22 - Fri, May 1

11:25 am - 12:30 pm

ORD

TSR

17h 05m

2 stops

6:45 pm - 9:40 am

TSR

ORD

22h 55m

2 stops

$662Multiple Airlines

Wed, Jul 29 - Wed, Sep 30

11:25 am - 12:30 pm

ORD

TSR

17h 05m

2 stops

6:45 pm - 9:40 am

TSR

ORD

22h 55m

2 stops

$666Multiple Airlines

Wed, Jul 29 - Wed, Sep 30

6:38 pm - 5:20 pm

MDW

OTP

14h 42m

2 stops

7:05 am - 5:58 pm

OTP

MDW

18h 53m

2 stops

$792Delta

Sun, Apr 19 - Tue, May 5

6:38 pm - 5:20 pm

MDW

OTP

14h 42m

2 stops

7:05 am - 5:58 pm

OTP

MDW

18h 53m

2 stops

$794Delta

Sun, Apr 19 - Tue, May 5

4:20 pm - 1:20 am

ORD

IAS

25h 00m

1 stop

4:00 pm - 1:20 pm

IAS

ORD

29h 20m

1 stop

$795Austrian Airlines

Mon, Apr 27 - Mon, May 4

4:20 pm - 3:20 pm

ORD

IAS

15h 00m

1 stop

4:00 pm - 1:20 pm

IAS

ORD

29h 20m

1 stop

$805Austrian Airlines

Mon, Apr 27 - Mon, May 4

9:40 pm - 1:20 am

ORD

IAS

19h 40m

2 stops

4:00 pm - 12:55 pm

IAS

ORD

28h 55m

2 stops

$816Lufthansa

Mon, Apr 27 - Mon, May 4

12:15 pm - 4:20 pm

STL

OTP

20h 05m

2 stops

12:45 pm - 10:56 pm

OTP

STL

18h 11m

2 stops

$819Lufthansa

Tue, May 5 - Tue, May 12

Air Serbia flights from Illinois to Romania

Our best Air Serbia deals on Illinois to Romania flight tickets

Air Serbia

Sep 9

ORD4:40 pmChicago O'Hare Intl

26h 25m

1 stop

OTP3:05 amBucharest Otopeni Intl

Sep 13

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$599

Air Serbia

Sep 2

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 5

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$613

Air Serbia

Apr 1

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Apr 7

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$779

British Airways flights from Illinois to Romania

Our best British Airways deals on Illinois to Romania flight tickets

British Airways

May 5

STL5:53 pmLambert-St Louis

23h 27m

2 stops

OTP1:20 amBucharest Otopeni Intl

May 12

OTP6:10 pmBucharest Otopeni Intl

33h 20m

1 stop

STL7:30 pmLambert-St Louis

$890

British Airways

May 5

STL9:35 pmLambert-St Louis

19h 45m

1 stop

OTP1:20 amBucharest Otopeni Intl

May 12

OTP8:15 amBucharest Otopeni Intl

19h 15m

1 stop

STL7:30 pmLambert-St Louis

$957

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Thu 8/13

8:10 pm-8:15 pm

1 stop16h 05m

Cluj Napoca

Thu 9/17

9:05 pm-9:40 am

1 stop20h 35m

$514

ChicagoCluj Napoca

ORD - CLJ

ORDCLJ

Chicago O'Hare Intl

Wed 4/22

8:10 pm-8:15 pm

1 stop16h 05m

Cluj Napoca

Fri 5/1

9:55 am-9:40 am

1 stop31h 45m

$515

ChicagoTimisoara

ORD - TSR

ORDTSR

Chicago O'Hare Intl

Wed 7/29

11:25 am-12:30 pm

2 stops17h 05m

Timisoara

Wed 9/30

6:45 pm-9:40 am

2 stops22h 55m

$662

ChicagoTimisoara

ORD - TSR

ORDTSR

Chicago O'Hare Intl

Wed 7/29

11:25 am-12:30 pm

2 stops17h 05m

Timisoara

Wed 9/30

6:45 pm-9:40 am

2 stops22h 55m

$666

Quickest round-trip

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sun 4/19

6:38 pm-5:20 pm

2 stops14h 42m

Bucharest Otopeni Intl

Tue 5/5

7:05 am-5:58 pm

2 stops18h 53m

$792

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sun 4/19

6:38 pm-5:20 pm

2 stops14h 42m

Bucharest Otopeni Intl

Tue 5/5

7:05 am-5:58 pm

2 stops18h 53m

$794

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 4/27

4:20 pm-1:20 am

1 stop25h 00m

Iasi

Mon 5/4

4:00 pm-1:20 pm

1 stop29h 20m

$795

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 4/27

4:20 pm-3:20 pm

1 stop15h 00m

Iasi

Mon 5/4

4:00 pm-1:20 pm

1 stop29h 20m

$805

ChicagoIaşi

ORD - IAS

ORDIAS

Chicago O'Hare Intl

Mon 4/27

9:40 pm-1:20 am

2 stops19h 40m

Iasi

Mon 5/4

4:00 pm-12:55 pm

2 stops28h 55m

$816

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 5/5

12:15 pm-4:20 pm

2 stops20h 05m

Bucharest Otopeni Intl

Tue 5/12

12:45 pm-10:56 pm

2 stops18h 11m

$819

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 Illinois 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 Illinois is in January. Flight prices, which tend to average around $566, are often lower during this time because this is during the off-season. If you are unable to visit Romania during the month of January, then departing from Illinois during the month October is also very affordable. Most momondo users find prices during this month for around $572.

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 $834. 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 Monday because tickets tend to average around $878. These prices are subject to change though, so be sure to set up a Price Alert for flights to Romania.

What is the cheapest Illinois to Romania flight route?

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

How far in advance should I book a flight to Romania?

You are more likely to see cheaper flights to Romania from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Romania for around $713 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Romania from Illinois for as low as $365 on momondo.

What cabin class options are available on Illinois to Romania flights?

There are 2 cabin classes available to choose from on Illinois 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 Illinois to Romania flights?

No. A direct flight is the cheapest option for a flight between Illinois to Romania.

Cheap Illinois to Romania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Romania

Best Price Found	$438
Fastest flight time	9h 50m
Direct flights	Mon and Fri
Airports in Romania	29 airports

The best one-way flight to Romania from Illinois in the past 72 hours is $438. The best round-trip flight deal from Illinois to Romania found on momondo in the last 72 hours is $811.

The fastest flight from Illinois to Romania takes 9h 50m

Direct flights go from Illinois to Romania on Monday and Friday. The only airline offering direct flights is HiSky.

There are 29 airports in Romania. From Illinois there are direct flights to Bucharest Otopeni Intl (OTP).

Search flight deals

When did momondo last update prices for flights from Illinois to Romania?
Prices for flights from Illinois to Romania are updated daily.
How many operators does momondo search for flights from Illinois to Romania?
As of March 2026, there are 13 operators available to choose from for flights from Illinois to Romania.
How old do you have to be to fly from Illinois 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 Illinois to Romania.
What documentation or ID do you need to fly to Romania?
The travel and health documents required for your trip to Romania can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Romania. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Illinois to Romania?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Romania is Airbus A330 (100.00% of total bookings).

Best airlines flying from Illinois to Romania

Compare and see reviews for airlines that fly from Illinois to Romania with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 9,523 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $477	Free Cancellation	Rating 7.3 1,731 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,293 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $506	Free Cancellation	Rating 6.7 7,834 reviews	Search British Airways flights
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 7,879 reviews	Search Lufthansa flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,480 reviews	Search KLM flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.1 216 reviews	Search Air Serbia flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,558 reviews	Search Air France flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,362 reviews	Search Delta flights
LOT	PriceFrom $580	Free Cancellation	Rating 7.5 1,179 reviews	Search LOT flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Romania?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Romania from Illinois.

Can I find flights from Illinois to Romania with flexible booking policies on momondo?

momondo does allow users to show only those flights to Romania from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois 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 Illinois.

I’m not ready to book a flight from Illinois to Romania right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Romania, momondo offers a useful price alert feature which will track prices for flights to Romania from Illinois and alert you when they change.

An easier way to manage your Romania trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 4/29

Wed 5/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Romania

Popular cities

Other flights from Illinois

Other flights to Romania

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Romania

Flights to Bucharestfrom $520

Flights to Cluj Napocafrom $514

Flights to Timisoarafrom $534

Flights to Iaşifrom $629

Flights to Sibiufrom $758

Flights to Suceavafrom $889

Flights to Oradeafrom $941

Flights to Bacăufrom $1,265

Flights to Târgu Mureş

Flights to Constanţafrom $521

Flights to Baia Mare

Flights to Satu Marefrom $876

Cheap flights from Illinois to Romania from $318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Romania departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Illinois to Romania

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Air Serbia flights from Illinois to Romania

Our best Air Serbia deals on Illinois to Romania flight tickets

British Airways flights from Illinois to Romania

Our best British Airways deals on Illinois to Romania flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Illinois to Romania that are best for you.

See travel insights to Romania from

How to get the cheapest flight ticket from Illinois to Romania

What is the cheapest month to fly to Romania?

What is the cheapest day to depart on your flight to Romania?

What is the cheapest Illinois to Romania flight route?

How far in advance should I book a flight to Romania?

What cabin class options are available on Illinois to Romania flights?

Can stopping save me money on Illinois to Romania flights?

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

What airlines fly to Romania?

Cheap Illinois to Romania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Romania

Best Price Found

Fastest flight time

Direct flights

Airports in Romania

Best airlines flying from Illinois to Romania

Compare and see reviews for airlines that fly from Illinois to Romania with momondo

Why use momondo?

An easier way to manage your Romania trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Romania

Popular cities in Romania

Popular flights according to clicks in the last 7 days on momondo

Illinois flight routes

According to popular flight searches on momondo this year

Romania flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Romania

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Romania

List of cabin classes available on flights landing in Romania. Availability may vary depending on flight origin and airline.

Complete your trip to Romania

Explore popular destinations other users love

According to popular flight searches on momondo this year