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

Air Serbia, SWISS, and Lufthansa 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 46% 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 November 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.

$263 Cheap Flights from Illinois to Bucharest in 2025/26

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Find the cheapest flights from Illinois to Bucharest

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Cheap round-trip flights

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8:20 pm - 8:50 amORD-OTP

28h 30m1 stop

9:30 am - 6:15 pmOTP-ORD

16h 45m1 stop

$520Turkish Airlines

Find Deal

lun., mar. 2 - mar., mar. 31

11:50 am - 2:10 pmORD-OTP

18h 20m1 stop

9:50 pm - 6:25 pmOTP-ORD

28h 35m1 stop

$521Turkish Airlines

Find Deal

sáb., ene. 24 - sáb., feb. 7

8:20 pm - 8:30 pmORD-OTP

16h 10m1 stop

10:10 am - 6:25 pmOTP-ORD

16h 15m1 stop

$522Turkish Airlines

Find Deal

lun., feb. 2 - lun., feb. 16

10:35 pm - 11:50 pmORD-OTP

17h 15m1 stop

2:45 pm - 8:05 pmOTP-ORD

13h 20m1 stop

$530Lufthansa

Find Deal

jue., nov. 27 - jue., dic. 11

9:50 pm - 6:35 pmORD-OTP

12h 45m1 stop

5:55 am - 1:10 pmOTP-ORD

15h 15m1 stop

$531Lufthansa

Find Deal

dom., nov. 16 - dom., nov. 23

6:50 pm - 12:30 amORD-OTP

21h 40m1 stop

6:05 am - 6:25 pmOTP-ORD

20h 20m1 stop

$535Multiple Airlines

Find Deal

mar., dic. 30 - mar., ene. 13

6:50 pm - 12:30 amORD-OTP

21h 40m1 stop

6:30 am - 4:20 pmOTP-ORD

17h 50m1 stop

$537SWISS

Find Deal

vie., nov. 28 - vie., dic. 12

7:02 pm - 10:50 pmSTL-OTP

19h 48m2 stops

1:55 pm - 5:00 pmOTP-STL

35h 05m2 stops

$539Delta

Find Deal

dom., dic. 7 - mar., dic. 23

9:50 pm - 1:05 amORD-OTP

19h 15m1 stop

6:05 am - 2:55 pmOTP-ORD

16h 50m2 stops

$541Multiple Airlines

Find Deal

mar., nov. 18 - mié., nov. 26

6:00 am - 1:00 pmSTL-OTP

23h 00m2 stops

1:55 pm - 10:16 pmOTP-STL

40h 21m2 stops

$544Delta

Find Deal

dom., dic. 7 - mar., dic. 23

Austrian Airlines flights from Illinois to Bucharest

Our best Austrian Airlines deals on Illinois to Bucharest flight tickets

Austrian Airlines

Feb 2

ORD1:00 pmChicago O'Hare Intl

21h 25m

2 stops

OTP6:25 pmBucharest Otopeni Intl

Feb 16

OTP6:55 amBucharest Otopeni Intl

15h 05m

1 stop

ORD2:00 pmChicago O'Hare Intl

$543

Find similar

Austrian Airlines

Mar 7

ORD4:20 pmChicago O'Hare Intl

12h 10m

1 stop

OTP12:30 pmBucharest Otopeni Intl

Mar 21

OTP6:55 amBucharest Otopeni Intl

15h 05m

1 stop

ORD3:00 pmChicago O'Hare Intl

$557

Find similar

Austrian Airlines

Nov 11

ORD1:00 pmChicago O'Hare Intl

15h 30m

2 stops

OTP12:30 pmBucharest Otopeni Intl

Nov 16

OTP7:10 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD6:30 pmChicago O'Hare Intl

$615

Find similar

KLM flights from Illinois to Bucharest

Our best KLM deals on Illinois to Bucharest flight tickets

KLM

Dec 2

ORD1:23 pmChicago O'Hare Intl

15h 37m

2 stops

OTP1:00 pmBucharest Otopeni Intl

Dec 15

OTP8:35 amBucharest Otopeni Intl

13h 45m

1 stop

ORD2:20 pmChicago O'Hare Intl

$570

Find similar

KLM

Nov 9

MDW1:15 pmChicago Midway

18h 10m

2 stops

OTP3:25 pmBucharest Otopeni Intl

Nov 22

OTP1:55 pmBucharest Otopeni Intl

17h 45m

2 stops

MDW11:40 pmChicago Midway

$605

Find similar

KLM

Dec 2

MDW1:14 pmChicago Midway

15h 46m

2 stops

OTP1:00 pmBucharest Otopeni Intl

Dec 16

OTP6:00 amBucharest Otopeni Intl

18h 44m

2 stops

MDW4:44 pmChicago Midway

$7,415

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 3/2

8:20 pm-8:50 am

1 stop28h 30m

Bucharest Otopeni Intl

mar. 3/31

9:30 am-6:15 pm

1 stop16h 45m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 1/24

11:50 am-2:10 pm

1 stop18h 20m

Bucharest Otopeni Intl

sáb. 2/7

9:50 pm-6:25 pm

1 stop28h 35m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 2/2

8:20 pm-8:30 pm

1 stop16h 10m

Bucharest Otopeni Intl

lun. 2/16

10:10 am-6:25 pm

1 stop16h 15m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 11/27

10:35 pm-11:50 pm

1 stop17h 15m

Bucharest Otopeni Intl

jue. 12/11

2:45 pm-8:05 pm

1 stop13h 20m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

dom. 11/16

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

dom. 11/23

5:55 am-1:10 pm

1 stop15h 15m

$531

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 12/30

6:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

mar. 1/13

6:05 am-6:25 pm

1 stop20h 20m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 11/28

6:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

vie. 12/12

6:30 am-4:20 pm

1 stop17h 50m

$537

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

dom. 12/7

7:02 pm-10:50 pm

2 stops19h 48m

Bucharest Otopeni Intl

mar. 12/23

1:55 pm-5:00 pm

2 stops35h 05m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 11/18

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

mié. 11/26

6:05 am-2:55 pm

2 stops16h 50m

$541

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

dom. 12/7

6:00 am-1:00 pm

2 stops23h 00m

Bucharest Otopeni Intl

mar. 12/23

1:55 pm-10:16 pm

2 stops40h 21m

$544

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 $599. If you aren’t able to travel to Bucharest during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $601.

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

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

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 in the afternoon when prices are around $911.

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 $708 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	$827
Direct flights	None

The best flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $827

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

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 November 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.
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
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,564 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,032 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 865 reviews	Search Austrian Airlines flights
LOT	PriceFrom $538	Free Cancellation	Rating 7.6 1,135 reviews	Search LOT flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,500 reviews	Search British Airways flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,779 reviews	Search SWISS flights
Lufthansa	PriceFrom $588	Free Cancellation	Rating 6.8 7,558 reviews	Search Lufthansa flights
United Airlines	PriceFrom $595	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Air France	PriceFrom $618	Free Cancellation	Rating 7.4 1,484 reviews	Search Air France flights
Air Serbia	PriceFrom $655	Free Cancellation	Rating 6.2 207 reviews	Search Air Serbia 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.

Start using Trips

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sáb. 12/6

sáb. 12/13

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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

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Cheap flights from Illinois to Bucharest from $263

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 11/26. 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

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Cheap last minute flights

Austrian Airlines flights from Illinois to Bucharest

Our best Austrian Airlines deals on Illinois to Bucharest flight tickets

KLM flights from Illinois to Bucharest

Our best KLM 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 Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

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, SWISS, and Lufthansa 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

Direct flights

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?

What is the most popular plane model 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?

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