What airlines fly to Bucharest?

Lufthansa, Turkish Airlines and HiSky are the top three most popular airlines that fly to Bucharest from Illinois according to our data. Lufthansa is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 12 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

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

Delta and Lufthansa are the most popular carriers operating from Illinois to Bucharest

When did momondo last update prices for flights from Illinois to Bucharest?

Prices for flights from Illinois to Bucharest are refreshed on a daily basis.

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

As of August 2026, there are 12 operators available to choose from for flights from Illinois to Bucharest.

How old do you have to be to fly from Illinois to Bucharest?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Bucharest.

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

The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Illinois to Bucharest in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 11:15 amORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

31h 05m1 stop Istanbul

9:30 am - 9:40 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

32h 10m1 stop Istanbul

$759Turkish Airlines

Sun, Sep 27 - Sun, Oct 4

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

12h 40m1 stop Munich Franz Josef Strauss

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

$759Multiple Airlines

Sun, Jan 10 - Sun, Jan 24

11:05 am - 1:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 55m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

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

31h 35m1 stop Zurich

$759Multiple Airlines

Tue, Oct 13 - Mon, Jan 11

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

$765LOT

Sat, Sep 12 - Thu, Oct 1

8:10 pm - 2:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

34h 25m1 stop Istanbul

3:55 pm - 9:40 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

25h 45m1 stop Istanbul

$765Turkish Airlines

Mon, Sep 21 - Tue, Oct 13

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

16h 40m1 stop Zurich

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

31h 35m1 stop Zurich

$767SWISS

Tue, Oct 13 - Mon, Jan 11

8:40 pm - 11:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

19h 05m1 stop London Heathrow

8:00 am - 7:15 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

19h 15m1 stop London Heathrow

$781American Airlines

Thu, Dec 10 - Thu, Dec 24

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

17h 25m1 stop Warsaw Frederic Chopin

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

28h 40m1 stop Warsaw Frederic Chopin

$786LOT

Wed, Sep 9 - Wed, Sep 23

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

22h 05m1 stop Zurich

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

31h 35m1 stop Zurich

$848SWISS

Sun, Oct 11 - Tue, Jan 5

10:30 pm - 11:50 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

17h 20m1 stop London Heathrow

8:25 am - 3:30 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

15h 05m1 stop London Heathrow

$891American Airlines

Fri, Oct 9 - Wed, Jan 6

Cheap last minute flights

Enter your travel dates to find the best prices.

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

$785Air Serbia

Mon, Aug 17 - Tue, Sep 8

4:40 pm - 3:35 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

14h 55m1 stop Belgrade Nikola Tesla

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

13h 10m1 stop Belgrade Nikola Tesla

$785Air Serbia

Wed, Aug 19 - Sat, Sep 5

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

$811LOT

Wed, Aug 19 - Wed, Sep 2

5:10 pm - 11:15 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

22h 05m2 stops Krakow J. Paul II Balice Warsaw Frederic Chopin

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

28h 40m1 stop Warsaw Frederic Chopin

$853LOT

Wed, Aug 19 - Wed, Sep 2

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

19h 30m1 stop Munich Franz Josef Strauss

1:50 pm - 12:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 05m1 stop Frankfurt am Main

$901Lufthansa

Sun, Aug 16 - Mon, Aug 24

4:05 pm - 1:05 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

13h 00m1 stop Frankfurt am Main

5:15 pm - 12:55 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

27h 40m1 stop Frankfurt am Main

$932Lufthansa

Sun, Aug 16 - Mon, Aug 24

7:15 pm - 11:45 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

20h 30m2 stops Kastrup Copenhagen Amsterdam Schiphol

4:50 pm - 4:10 pmOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

31h 20m2 stops Amsterdam Schiphol Kastrup Copenhagen

$934Scandinavian Airlines

Wed, Aug 19 - Wed, Sep 2

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

19h 30m1 stop Munich Franz Josef Strauss

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

28h 25m1 stop Zurich

$941Multiple Airlines

Sun, Aug 16 - Mon, Aug 24

8:10 pm - 12:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

31h 50m1 stop Istanbul

6:25 pm - 9:40 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

47h 15m2 stops Timisoara Istanbul

$968Turkish Airlines

Mon, Aug 17 - Mon, Sep 14

8:10 pm - 12:00 pmORD Chicago O'Hare Intl-OTP Bucharest Otopeni Intl

31h 50m1 stop Istanbul

6:25 pm - 9:40 amOTP Bucharest Otopeni Intl-ORD Chicago O'Hare Intl

47h 15m2 stops Timisoara Istanbul

$988Turkish Airlines

Mon, Aug 17 - Mon, Sep 14

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Air Canada flights from Illinois to Bucharest

Our best Air Canada deals on Illinois to Bucharest flight tickets

Air Canada

Feb 1

STL4:05 pmLambert-St Louis

15h 45m

2 stops

OTP3:50 pmBucharest Otopeni Intl

Feb 3

OTP6:30 amBucharest Otopeni Intl

40h 56m

2 stops

STL3:26 pmLambert-St Louis

$789

Air Canada

Nov 3

ORD1:55 pmChicago O'Hare Intl

41h 55m

2 stops

OTP3:50 pmBucharest Otopeni Intl

Nov 11

OTP6:30 amBucharest Otopeni Intl

33h 30m

2 stops

ORD8:00 amChicago O'Hare Intl

$794

Air Canada

Nov 4

STL4:05 pmLambert-St Louis

15h 45m

2 stops

OTP3:50 pmBucharest Otopeni Intl

Nov 10

OTP6:55 amBucharest Otopeni Intl

23h 29m

3 stops

STL10:24 pmLambert-St Louis

$847

Delta flights from Illinois to Bucharest

Our best Delta deals on Illinois to Bucharest flight tickets

Delta

Nov 3

ORD7:25 amChicago O'Hare Intl

22h 45m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Nov 12

OTP6:00 amBucharest Otopeni Intl

16h 25m

1 stop

ORD2:25 pmChicago O'Hare Intl

$787

Delta

Nov 2

MDW1:27 pmChicago Midway

16h 43m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Nov 11

OTP6:00 amBucharest Otopeni Intl

18h 39m

2 stops

MDW4:39 pmChicago Midway

$796

Delta

Nov 1

MDW10:01 amChicago Midway

20h 09m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Nov 13

OTP2:00 pmBucharest Otopeni Intl

28h 33m

2 stops

MDW10:33 amChicago Midway

$802

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 9/27

8:10 pm-11:15 am

1 stop31h 05m

Bucharest Otopeni Intl

Sun 10/4

9:30 am-9:40 am

1 stop32h 10m

$759

Quickest round-trip

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 1/10

9:50 pm-6:30 pm

1 stop12h 40m

Bucharest Otopeni Intl

Sun 1/24

6:00 am-2:52 pm

2 stops16h 52m

$759

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 10/13

11:05 am-1:00 pm

2 stops17h 55m

Bucharest Otopeni Intl

Mon 1/11

4:40 pm-4:15 pm

1 stop31h 35m

$759

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sat 9/12

9:50 pm-11:15 pm

1 stop17h 25m

Bucharest Otopeni Intl

Thu 10/1

8:20 am-3:10 pm

1 stop14h 50m

$765

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Mon 9/21

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Tue 10/13

3:55 pm-9:40 am

1 stop25h 45m

$765

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Tue 10/13

2:40 pm-3:20 pm

1 stop16h 40m

Bucharest Otopeni Intl

Mon 1/11

4:40 pm-4:15 pm

1 stop31h 35m

$767

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Thu 12/10

8:40 pm-11:45 pm

1 stop19h 05m

Bucharest Otopeni Intl

Thu 12/24

8:00 am-7:15 pm

1 stop19h 15m

$781

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Wed 9/9

9:50 pm-11:15 pm

1 stop17h 25m

Bucharest Otopeni Intl

Wed 9/23

6:30 pm-3:10 pm

1 stop28h 40m

$786

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Sun 10/11

7:05 pm-1:10 am

1 stop22h 05m

Bucharest Otopeni Intl

Tue 1/5

4:40 pm-4:15 pm

1 stop31h 35m

$848

ChicagoBucharest

ORD Chicago O'Hare Intl - OTP Bucharest Otopeni Intl

ORDOTP

Chicago O'Hare Intl

Fri 10/9

10:30 pm-11:50 pm

1 stop17h 20m

Bucharest Otopeni Intl

Wed 1/6

8:25 am-3:30 pm

1 stop15h 05m

$891

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 Bucharest

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 Bucharest?

In general, November is the cheapest month to fly from Illinois to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $559. If you aren’t able to travel to Bucharest during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $573.

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

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $853. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $893.

What is the cheapest Illinois to Bucharest flight route?

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

How far in advance should I book a flight from Illinois to Bucharest?

You are more likely to see cheaper flights to Bucharest from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $768 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Illinois for as low as $365 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Bucharest 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 Bucharest flights?

You could potentially save up to 17% on your flight if you consider stops on a Illinois to Bucharest flight.

Cheap Illinois to Bucharest flight deals and tips

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

Best Price Found	$478
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Bucharest from Illinois in the past 72 hours is $478. The best round-trip flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $932.

The fastest flight from Illinois to Bucharest takes 12h 05m

There are no direct flights from Illinois to Bucharest. There are no popular flight routes from Illinois to Bucharest.

Search flight deals

Frequently asked questions about flying from Illinois to Bucharest

When did momondo last update prices for flights from Illinois to Bucharest?
Prices for flights from Illinois to Bucharest are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Bucharest?
As of August 2026, there are 12 operators available to choose from for flights from Illinois to Bucharest.
How old do you have to be to fly from Illinois to Bucharest?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Bucharest?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Bucharest is Airbus A330 (61.54% of total bookings). The next most popular plane model is Airbus A330-200 (38.46%).

Best airlines flying from Illinois to Bucharest

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,160 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,474 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,643 reviews	Search Air France flights
KLM	PriceFrom $543	Free Cancellation	Rating 7.8 1,558 reviews	Search KLM flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 8,194 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $566	Free Cancellation	Rating 6.2 234 reviews	Search Air Serbia flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,035 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,514 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,213 reviews	Search LOT flights

Otopeni

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Bucharest. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Illinois to Bucharest with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Bucharest?

momondo helps you find the best flight between Illinois and Bucharest by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Bucharest from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Bucharest 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.

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

Cheap flights from Illinois to Bucharest from $299

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 Bucharest departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Illinois to Bucharest

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Air Canada flights from Illinois to Bucharest

Our best Air Canada deals on Illinois to Bucharest flight tickets

Delta flights from Illinois to Bucharest

Our best Delta deals on Illinois to Bucharest flight tickets

momondo Fare Finder

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

See travel insights to Bucharest from

How to get the cheapest flight ticket from Illinois to Bucharest

What is the cheapest month to fly to Bucharest?

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

What is the cheapest Illinois to Bucharest flight route?

How far in advance should I book a flight from Illinois to Bucharest?

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

Can stopping save me money on Illinois to Bucharest flights?

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

What airlines fly to Bucharest?

Cheap Illinois to Bucharest flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Illinois to Bucharest

Best airlines flying from Illinois to Bucharest

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

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest 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

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest

Fly your favorite airline to Bucharest

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

Cabin classes currently available on flights to Bucharest

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

Popular cities in Romania

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

Fly to other destinations from Illinois

According to popular flight searches on momondo this year

Complete your trip to Bucharest

Explore popular destinations other users love

According to popular flight searches on momondo this year