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Cheap flights from Illinois to Bucharest from $273

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 5/18. 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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0 bags

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Find the cheapest flights from Illinois to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$499Lufthansa
Wed, May 6 - Wed, May 13
Turkish Airlines Logo
11:50 am - 8:50 am
ORD
-
OTP
13h 00m
1 stop
Turkish Airlines Logo
3:30 pm - 11:05 am
OTP
-
ORD
26h 35m
1 stop
$518Turkish Airlines
Thu, Mar 5 - Thu, Mar 19
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m
1 stop
Lufthansa Logo
5:55 am - 1:25 pm
OTP
-
ORD
15h 30m
1 stop
$520Lufthansa
Wed, Feb 18 - Fri, Feb 27
Multiple Airlines Logo
6:40 am - 3:15 am
ORD
-
OTP
36h 35m
2 stops
Multiple Airlines Logo
9:35 am - 12:40 am
OTP
-
ORD
22h 05m
1 stop
$521Multiple Airlines
Mon, Feb 23 - Mon, Mar 9
British Airways Logo
8:53 am - 12:50 am
STL
-
OTP
31h 57m
2 stops
British Airways Logo
6:10 pm - 7:30 pm
OTP
-
STL
33h 20m
1 stop
$536British Airways
Sun, Apr 19 - Tue, Apr 28
British Airways Logo
8:53 am - 12:50 am
STL
-
OTP
31h 57m
2 stops
British Airways Logo
6:10 pm - 10:14 pm
OTP
-
STL
36h 04m
2 stops
$539British Airways
Sun, Apr 19 - Tue, Apr 28
Multiple Airlines Logo
12:50 pm - 3:45 pm
ORD
-
OTP
19h 55m
2 stops
Multiple Airlines Logo
1:50 pm - 7:55 pm
OTP
-
ORD
14h 05m
1 stop
$542Multiple Airlines
Tue, Mar 24 - Tue, Apr 7
United Airlines Logo
8:30 am - 12:20 pm
STL
-
OTP
20h 50m
2 stops
United Airlines Logo
6:05 am - 9:42 pm
OTP
-
STL
22h 37m
2 stops
$553United Airlines
Wed, Mar 18 - Wed, Mar 25
Delta Logo
1:29 pm - 5:10 pm
MDW
-
OTP
19h 41m
2 stops
Delta Logo
6:00 am - 6:40 pm
OTP
-
MDW
20h 40m
2 stops
$587Delta
Sat, Feb 14 - Mon, Mar 2
Delta Logo
9:31 am - 1:00 pm
MDW
-
OTP
19h 29m
2 stops
Delta Logo
7:05 am - 5:56 pm
OTP
-
MDW
18h 51m
2 stops
$594Delta
Wed, May 6 - Wed, May 13

Lufthansa flights from Illinois to Bucharest

Our best Lufthansa deals on Illinois to Bucharest flight tickets
Lufthansa
May 6
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
May 13
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
$499
Lufthansa
Feb 18
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Feb 27
OTP5:55 amBucharest Otopeni Intl
15h 30m
1 stop
ORD1:25 pmChicago O'Hare Intl
$520
Lufthansa
Apr 19
STL3:30 pmLambert-St Louis
17h 00m
1 stop
OTP4:30 pmBucharest Otopeni Intl
Apr 28
OTP5:15 pmBucharest Otopeni Intl
28h 10m
1 stop
STL1:25 pmLambert-St Louis
$570

Turkish Airlines flights from Illinois to Bucharest

Our best Turkish Airlines deals on Illinois to Bucharest flight tickets
Turkish Airlines
Mar 5
ORD11:50 amChicago O'Hare Intl
13h 00m
1 stop
OTP8:50 amBucharest Otopeni Intl
Mar 19
OTP3:30 pmBucharest Otopeni Intl
26h 35m
1 stop
ORD11:05 amChicago O'Hare Intl
$518
Turkish Airlines
Apr 8
ORD8:10 pmChicago O'Hare Intl
28h 00m
1 stop
OTP8:10 amBucharest Otopeni Intl
May 18
OTP3:55 pmBucharest Otopeni Intl
25h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$527
Turkish Airlines
Feb 14
ORD8:20 pmChicago O'Hare Intl
28h 30m
1 stop
OTP8:50 amBucharest Otopeni Intl
Mar 2
OTP9:55 pmBucharest Otopeni Intl
20h 10m
1 stop
ORD10:05 amChicago O'Hare Intl
$529

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Bucharest that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 2, 2026.
Use the filters below to find and compare flights from Illinois to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 5/6

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 5/13

6:05 am-12:55 pm

1 stop14h 50m

$499

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/5

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Thu 3/19

3:30 pm-11:05 am

1 stop26h 35m

$518

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/18

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Fri 2/27

5:55 am-1:25 pm

1 stop15h 30m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/23

6:40 am-3:15 am

2 stops36h 35m

Bucharest Otopeni Intl

Mon 3/9

9:35 am-12:40 am

1 stop22h 05m

$521

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 4/19

8:53 am-12:50 am

2 stops31h 57m

Bucharest Otopeni Intl

Tue 4/28

6:10 pm-7:30 pm

1 stop33h 20m

$536

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Sun 4/19

8:53 am-12:50 am

2 stops31h 57m

Bucharest Otopeni Intl

Tue 4/28

6:10 pm-10:14 pm

2 stops36h 04m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/24

12:50 pm-3:45 pm

2 stops19h 55m

Bucharest Otopeni Intl

Tue 4/7

1:50 pm-7:55 pm

1 stop14h 05m

$542

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 3/18

8:30 am-12:20 pm

2 stops20h 50m

Bucharest Otopeni Intl

Wed 3/25

6:05 am-9:42 pm

2 stops22h 37m

$553

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 2/14

1:29 pm-5:10 pm

2 stops19h 41m

Bucharest Otopeni Intl

Mon 3/2

6:00 am-6:40 pm

2 stops20h 40m

$587

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 5/6

9:31 am-1:00 pm

2 stops19h 29m

Bucharest Otopeni Intl

Wed 5/13

7:05 am-5:56 pm

2 stops18h 51m

$594

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, October 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 $543. If you aren’t able to travel to Bucharest during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $583.

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 Tuesday, with ticket prices averaging around $952.

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 $727 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 $673 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

$419

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 $419. The best round-trip flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $844.
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?

  • 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?

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 AirlinesPriceFrom $326Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.5
896 reviews
Search Austrian Airlines flights
KLMPriceFrom $541Free CancellationRating
7.7
1,448 reviews
Search KLM flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,710 reviews
Search British Airways flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,531 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,131 reviews
Search Delta flights
LOTPriceFrom $576Free CancellationRating
7.5
1,178 reviews
Search LOT flights
United AirlinesPriceFrom $578Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
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.

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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
Bucharest Otopeni Intl Airport