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

Air Serbia, British Airways, and Air Canada are the most popular carriers operating from Illinois to Bucharest

What airlines fly to Bucharest?

Turkish Airlines, Lufthansa and LOT are the top three most popular airlines that fly to Bucharest from Illinois according to our data. Turkish Airlines is the first choice among our users, with 37% 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.

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 March 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.

$302 Cheap Flights from Illinois to Bucharest in 2026

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Find the cheapest flights from Illinois to Bucharest

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:10 pm - 8:05 am

ORD

OTP

27h 55m

1 stop

3:55 pm - 9:40 am

OTP

ORD

25h 45m

1 stop

$531Turkish Airlines

Mon, Apr 13 - Tue, Apr 28

8:10 pm - 12:05 pm

ORD

OTP

31h 55m

1 stop

9:35 pm - 9:40 am

OTP

ORD

20h 05m

1 stop

$538Turkish Airlines

Sun, Apr 19 - Tue, May 5

8:10 pm - 12:05 pm

ORD

OTP

31h 55m

1 stop

3:55 pm - 9:40 am

OTP

ORD

25h 45m

1 stop

$539Turkish Airlines

Sun, Apr 19 - Tue, May 5

9:27 am - 1:00 pm

MDW

OTP

19h 33m

2 stops

7:05 am - 5:58 pm

OTP

MDW

18h 53m

2 stops

$701Delta

Sun, Apr 19 - Tue, May 5

1:46 pm - 3:25 pm

STL

OTP

17h 39m

2 stops

4:50 pm - 2:29 pm

OTP

STL

29h 39m

2 stops

$703KLM

Mon, Apr 13 - Mon, Apr 20

9:29 am - 12:45 pm

MDW

OTP

19h 16m

2 stops

7:05 am - 6:36 pm

OTP

MDW

19h 31m

2 stops

$747Delta

Mon, Apr 20 - Mon, Apr 27

12:27 pm - 2:40 pm

STL

OTP

18h 13m

2 stops

8:15 am - 10:19 pm

OTP

STL

22h 04m

2 stops

$761British Airways

Thu, Apr 30 - Thu, May 7

7:09 pm - 6:35 pm

STL

OTP

15h 26m

2 stops

1:15 pm - 4:39 pm

OTP

STL

35h 24m

2 stops

$775Multiple Airlines

Mon, May 4 - Mon, May 11

9:40 pm - 12:50 am

STL

OTP

19h 10m

1 stop

8:15 am - 7:30 pm

OTP

STL

19h 15m

1 stop

$789British Airways

Sun, May 3 - Tue, May 19

1:05 pm - 3:20 pm

STL

OTP

42h 15m

2 stops

1:55 pm - 1:25 pm

OTP

STL

31h 30m

1 stop

$809Multiple Airlines

Sat, May 2 - Sat, May 9

Delta flights from Illinois to Bucharest

Our best Delta deals on Illinois to Bucharest flight tickets

Delta

Apr 3

ORD10:40 amChicago O'Hare Intl

17h 45m

2 stops

OTP12:25 pmBucharest Otopeni Intl

Apr 6

OTP7:05 amBucharest Otopeni Intl

15h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$737

Delta

Apr 20

MDW9:29 amChicago Midway

19h 16m

2 stops

OTP12:45 pmBucharest Otopeni Intl

Apr 27

OTP7:05 amBucharest Otopeni Intl

19h 31m

2 stops

MDW6:36 pmChicago Midway

$747

Delta

Apr 19

MDW9:27 amChicago Midway

19h 33m

2 stops

OTP1:00 pmBucharest Otopeni Intl

May 5

OTP7:05 amBucharest Otopeni Intl

17h 21m

2 stops

MDW4:26 pmChicago Midway

$750

Turkish Airlines flights from Illinois to Bucharest

Our best Turkish Airlines deals on Illinois to Bucharest flight tickets

Turkish Airlines

Apr 13

ORD8:10 pmChicago O'Hare Intl

27h 55m

1 stop

OTP8:05 amBucharest Otopeni Intl

Apr 28

OTP3:55 pmBucharest Otopeni Intl

25h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$531

Turkish Airlines

Aug 23

ORD8:10 pmChicago O'Hare Intl

16h 05m

1 stop

OTP8:15 pmBucharest Otopeni Intl

Oct 1

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$533

Turkish Airlines

Apr 19

ORD8:10 pmChicago O'Hare Intl

31h 55m

1 stop

OTP12:05 pmBucharest Otopeni Intl

May 5

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$538

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/13

8:10 pm-8:05 am

1 stop27h 55m

Bucharest Otopeni Intl

Tue 4/28

3:55 pm-9:40 am

1 stop25h 45m

$531

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 4/19

8:10 pm-12:05 pm

1 stop31h 55m

Bucharest Otopeni Intl

Tue 5/5

9:35 pm-9:40 am

1 stop20h 05m

$538

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 4/19

8:10 pm-12:05 pm

1 stop31h 55m

Bucharest Otopeni Intl

Tue 5/5

3:55 pm-9:40 am

1 stop25h 45m

$539

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sun 4/19

9:27 am-1:00 pm

2 stops19h 33m

Bucharest Otopeni Intl

Tue 5/5

7:05 am-5:58 pm

2 stops18h 53m

$701

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 4/13

1:46 pm-3:25 pm

2 stops17h 39m

Bucharest Otopeni Intl

Mon 4/20

4:50 pm-2:29 pm

2 stops29h 39m

$703

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 4/20

9:29 am-12:45 pm

2 stops19h 16m

Bucharest Otopeni Intl

Mon 4/27

7:05 am-6:36 pm

2 stops19h 31m

$747

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Thu 4/30

12:27 pm-2:40 pm

2 stops18h 13m

Bucharest Otopeni Intl

Thu 5/7

8:15 am-10:19 pm

2 stops22h 04m

$761

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 5/4

7:09 pm-6:35 pm

2 stops15h 26m

Bucharest Otopeni Intl

Mon 5/11

1:15 pm-4:39 pm

2 stops35h 24m

$775

Quickest round-trip

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 5/3

9:40 pm-12:50 am

1 stop19h 10m

Bucharest Otopeni Intl

Tue 5/19

8:15 am-7:30 pm

1 stop19h 15m

$789

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sat 5/2

1:05 pm-3:20 pm

2 stops42h 15m

Bucharest Otopeni Intl

Sat 5/9

1:55 pm-1:25 pm

1 stop31h 30m

$809

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, January 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 $566. If you aren’t able to travel to Bucharest during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $572.

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

Our data shows that Monday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $829. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $941.

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 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 $713 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 2 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?

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

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	$438
Fastest flight time	9h 50m
Direct flights	Mon and Fri
Airports in Bucharest	2 airports

The best one-way flight to Bucharest from Illinois in the past 72 hours is $438. The best round-trip flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $820.

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

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

There are 2 airports in Bucharest. 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 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 March 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 (100.00% of total bookings).

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 9,456 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom $326	Free Cancellation	Rating 7.3 1,720 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,266 reviews	Search Turkish Airlines flights
British Airways	PriceFrom $513	Free Cancellation	Rating 6.7 7,807 reviews	Search British Airways flights
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 7,860 reviews	Search Lufthansa flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,475 reviews	Search KLM flights
LOT	PriceFrom $562	Free Cancellation	Rating 7.5 1,184 reviews	Search LOT flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,547 reviews	Search Air France flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,315 reviews	Search Delta flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,901 reviews	Search SWISS 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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Bucharest Otopeni Intl Airport

Cheap flights from Illinois to Bucharest from $302

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 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Illinois to Bucharest

Our best Delta deals on Illinois to Bucharest flight tickets

Turkish Airlines flights from Illinois to Bucharest

Our best Turkish Airlines deals on Illinois to Bucharest flight tickets

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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 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

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

Best Price Found

Fastest flight time

Direct flights

Airports in 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

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According to popular flight searches on momondo this year

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