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

Air Serbia, Turkish Airlines, and Scandinavian Airlines are the most popular carriers operating from Illinois to Bucharest

What airlines fly to Bucharest?

Turkish Airlines, LOT and Lufthansa 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 43% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 13 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 August 2025, there are 13 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.

$219 Cheap Flights from Illinois to Bucharest in 2025

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Find the cheapest flights from Illinois to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

7:15 pm - 9:10 pmORD-OTP

17h 55m1 stop

9:50 pm - 4:10 pmOTP-ORD

26h 20m1 stop

$437Scandinavian Airlines

Find Deal

Sun, Oct 5 - Mon, Oct 20

7:15 pm - 9:10 pmORD-OTP

17h 55m1 stop

9:50 pm - 4:10 pmOTP-ORD

26h 20m1 stop

$466Scandinavian Airlines

Find Deal

Sun, Oct 5 - Mon, Oct 20

7:15 pm - 8:00 pmORD-OTP

16h 45m1 stop

9:50 pm - 4:10 pmOTP-ORD

26h 20m1 stop

$508Scandinavian Airlines

Find Deal

Tue, Sep 30 - Fri, Oct 17

7:50 pm - 8:25 pmORD-OTP

16h 35m1 stop

9:30 am - 5:55 pmOTP-ORD

16h 25m1 stop

$525Turkish Airlines

Find Deal

Mon, Sep 8 - Wed, Sep 24

9:55 pm - 11:15 pmORD-OTP

17h 20m1 stop

5:35 am - 8:00 pmOTP-ORD

22h 25m1 stop

$529LOT

Find Deal

Tue, Nov 11 - Tue, Nov 25

11:45 pm - 2:35 pmORD-OTP

30h 50m1 stop

10:10 am - 11:05 amOTP-ORD

31h 55m1 stop

$534Turkish Airlines

Find Deal

Wed, Sep 24 - Tue, Oct 28

5:10 pm - 5:45 pmORD-OTP

16h 35m1 stop

6:30 pm - 3:10 pmOTP-ORD

28h 40m1 stop

$563LOT

Find Deal

Mon, Sep 1 - Mon, Sep 15

6:50 pm - 12:30 amORD-OTP

21h 40m1 stop

6:30 am - 4:20 pmOTP-ORD

17h 50m1 stop

$567SWISS

Find Deal

Sun, Jan 11 - Sun, Jan 25

7:05 pm - 3:20 pmORD-OTP

12h 15m1 stop

5:55 am - 1:10 pmOTP-ORD

15h 15m1 stop

$572

Find Deal

Tue, Sep 2 - Tue, Nov 11

10:15 pm - 1:00 amORD-OTP

18h 45m2 stops

6:45 pm - 6:15 pmOTP-ORD

31h 30m2 stops

$574

Find Deal

Tue, Sep 2 - Tue, Sep 16

United Airlines flights from Illinois to Bucharest

Our best United Airlines deals on Illinois to Bucharest flight tickets

United Airlines

Nov 14

ORD9:50 pmChicago O'Hare Intl

12h 40m

1 stop

OTP6:30 pmBucharest Otopeni Intl

Nov 21

OTP5:55 amBucharest Otopeni Intl

17h 00m

2 stops

ORD2:55 pmChicago O'Hare Intl

$584

Find similar

United Airlines

Jan 9

ORD9:50 pmChicago O'Hare Intl

12h 40m

1 stop

OTP6:30 pmBucharest Otopeni Intl

Jan 16

OTP5:55 amBucharest Otopeni Intl

21h 35m

2 stops

ORD7:30 pmChicago O'Hare Intl

$586

Find similar

United Airlines

Nov 13

ORD12:50 pmChicago O'Hare Intl

17h 15m

2 stops

OTP2:05 pmBucharest Otopeni Intl

Dec 2

OTP5:55 amBucharest Otopeni Intl

17h 00m

2 stops

ORD2:55 pmChicago O'Hare Intl

$588

Find similar

Lufthansa flights from Illinois to Bucharest

Our best Lufthansa deals on Illinois to Bucharest flight tickets

Lufthansa

Aug 19

ORD9:40 pmChicago O'Hare Intl

19h 15m

1 stop

OTP12:55 amBucharest Otopeni Intl

Aug 25

OTP7:20 pmBucharest Otopeni Intl

30h 55m

1 stop

ORD6:15 pmChicago O'Hare Intl

$696

Find similar

Lufthansa

Aug 20

ORD10:30 pmChicago O'Hare Intl

17h 00m

1 stop

OTP11:30 pmBucharest Otopeni Intl

Aug 25

OTP7:20 pmBucharest Otopeni Intl

30h 55m

1 stop

ORD6:15 pmChicago O'Hare Intl

$700

Find similar

Lufthansa

Aug 18

ORD4:00 pmChicago O'Hare Intl

18h 35m

2 stops

OTP6:35 pmBucharest Otopeni Intl

Aug 25

OTP7:20 pmBucharest Otopeni Intl

30h 55m

1 stop

ORD6:15 pmChicago O'Hare Intl

$722

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/5

7:15 pm-9:10 pm

1 stop17h 55m

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-4:10 pm

1 stop26h 20m

$437

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/5

7:15 pm-9:10 pm

1 stop17h 55m

Bucharest Otopeni Intl

Mon 10/20

9:50 pm-4:10 pm

1 stop26h 20m

$466

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/30

7:15 pm-8:00 pm

1 stop16h 45m

Bucharest Otopeni Intl

Fri 10/17

9:50 pm-4:10 pm

1 stop26h 20m

$508

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/8

7:50 pm-8:25 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 9/24

9:30 am-5:55 pm

1 stop16h 25m

$525

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/11

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Tue 11/25

5:35 am-8:00 pm

1 stop22h 25m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/24

11:45 pm-2:35 pm

1 stop30h 50m

Bucharest Otopeni Intl

Tue 10/28

10:10 am-11:05 am

1 stop31h 55m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/1

5:10 pm-5:45 pm

1 stop16h 35m

Bucharest Otopeni Intl

Mon 9/15

6:30 pm-3:10 pm

1 stop28h 40m

$563

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 1/11

6:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

Sun 1/25

6:30 am-4:20 pm

1 stop17h 50m

$567

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/2

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 11/11

5:55 am-1:10 pm

1 stop15h 15m

$572

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/2

10:15 pm-1:00 am

2 stops18h 45m

Bucharest Otopeni Intl

Tue 9/16

6:45 pm-6:15 pm

2 stops31h 30m

$574

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, February 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 $588. If you aren’t able to travel to Bucharest during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $616.

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 $748. The most expensive day to fly to Bucharest is Sunday, with ticket prices averaging around $991.

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

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Illinois to Bucharest in the morning for as low as $694. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is at noon when prices are around $1,070.

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 $728 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 $634 on momondo.

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	$219
Fastest flight time	11h 45m
Direct flights	None
Airports in Bucharest	1 airport

The best one-way flight to Bucharest from Illinois in the past 72 hours is $219. The best round-trip flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $437.

The fastest flight from Illinois to Bucharest takes 11h 45m

There are no direct flights from Illinois to Bucharest. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Bucharest Otopeni Intl Airport.

There is 1 airport near Bucharest: 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 August 2025, there are 13 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.

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
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,466 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 3,942 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 826 reviews	Search Austrian Airlines flights
LOT	PriceFrom $535	Free Cancellation	Rating 7.6 1,107 reviews	Search LOT flights
British Airways	PriceFrom $544	Free Cancellation	Rating 6.6 7,265 reviews	Search British Airways flights
Lufthansa	PriceFrom $545	Free Cancellation	Rating 6.8 7,317 reviews	Search Lufthansa flights
Air France	PriceFrom $580	Free Cancellation	Rating 7.4 1,467 reviews	Search Air France flights
KLM	PriceFrom $582	Free Cancellation	Rating 7.8 1,381 reviews	Search KLM flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,698 reviews	Search SWISS flights
United Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 8,920 reviews	Search United Airlines 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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Find better results for your trip to Romania

Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

Cheap flights from Illinois to Bucharest from $219

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 9/9. 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 Bucharest

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Illinois to Bucharest

Our best United Airlines deals on Illinois to Bucharest flight tickets

Lufthansa flights from Illinois to Bucharest

Our best Lufthansa deals on Illinois to Bucharest flight tickets

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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

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

What is the cheapest month to fly to Bucharest?

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 $748. The most expensive day to fly to Bucharest is Sunday, with ticket prices averaging around $991.

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

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

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

Air Serbia, Turkish Airlines, and Scandinavian Airlines are the most popular carriers operating 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

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

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

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

What documentation or ID do you need to fly 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?

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

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

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

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

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