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Cheap flights from Illinois to Bucharest from $330

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 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$680Air Serbia
Mon, Aug 17 - Mon, Sep 14
Air Serbia Logo
11:20 pm - 3:20 pm
ORD
-
OTP
32h 00m
1 stop
Air Serbia Logo
4:30 am - 9:15 pm
OTP
-
ORD
24h 45m
1 stop
$684Air Serbia
Sat, Sep 5 - Sat, Sep 19
Multiple Airlines Logo
4:20 pm - 12:25 pm
ORD
-
OTP
12h 05m
1 stop
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$703Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
8:45 am - 3:20 pm
ORD
-
OTP
22h 35m
2 stops
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$707Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
Multiple Airlines Logo
11:05 am - 3:20 pm
ORD
-
OTP
20h 15m
2 stops
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$710Multiple Airlines
Mon, Aug 10 - Mon, Aug 24
LOT Logo
5:10 pm - 1:50 pm
ORD
-
OTP
12h 40m
1 stop
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
$712LOT
Mon, Aug 17 - Mon, Sep 14
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$713Air Serbia
Sat, Aug 29 - Tue, Sep 1
SWISS Logo
6:50 pm - 12:30 am
ORD
-
OTP
21h 40m
1 stop
SWISS Logo
4:40 pm - 4:20 pm
OTP
-
ORD
31h 40m
1 stop
$717SWISS
Wed, Nov 4 - Wed, Nov 18
Delta Logo
12:46 pm - 1:40 pm
MDW
-
OTP
16h 54m
2 stops
Delta Logo
7:05 am - 9:46 pm
OTP
-
MDW
22h 41m
2 stops
$796Delta
Wed, Aug 19 - Wed, Sep 2
Delta Logo
1:27 pm - 1:40 pm
MDW
-
OTP
16h 13m
2 stops
Delta Logo
7:05 am - 4:27 pm
OTP
-
MDW
17h 22m
2 stops
$797Delta
Wed, Aug 19 - Wed, Sep 2

Lufthansa flights from Illinois to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Illinois to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Aug 12
ORD3:35 pmChicago O'Hare Intl
12h 25m
1 stop
OTP12:00 pmBucharest Otopeni Intl
Aug 26
OTP6:15 amBucharest Otopeni Intl
14h 20m
1 stop
ORD12:35 pmChicago O'Hare Intl
$720
Lufthansa
Aug 6
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 20
OTP6:15 amBucharest Otopeni Intl
14h 20m
1 stop
ORD12:35 pmChicago O'Hare Intl
$748
Lufthansa
Sep 7
STL3:30 pmLambert-St Louis
16h 50m
1 stop
OTP4:20 pmBucharest Otopeni Intl
Sep 16
OTP6:05 amBucharest Otopeni Intl
15h 20m
1 stop
STL1:25 pmLambert-St Louis
$851

Delta flights from Illinois to Bucharest Otopeni Intl Airport

Our best Delta deals on Illinois to Bucharest Otopeni Intl Airport flight tickets
Delta
Aug 12
ORD5:10 pmChicago O'Hare Intl
12h 30m
1 stop
OTP1:40 pmBucharest Otopeni Intl
Aug 25
OTP2:00 pmBucharest Otopeni Intl
32h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$729
Delta
Aug 12
ORD2:12 pmChicago O'Hare Intl
15h 28m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 26
OTP7:05 amBucharest Otopeni Intl
15h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$734
Delta
Aug 12
ORD2:12 pmChicago O'Hare Intl
15h 28m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 26
OTP2:00 pmBucharest Otopeni Intl
17h 58m
2 stops
ORD11:58 pmChicago O'Hare Intl
$744

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Bucharest Otopeni Intl Airport 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 May 12, 2026.
Use the filters below to find and compare flights from Illinois to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$680

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/5

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sat 9/19

4:30 am-9:15 pm

1 stop24h 45m

$684

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

4:20 pm-12:25 pm

1 stop12h 05m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$703

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

8:45 am-3:20 pm

2 stops22h 35m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$707

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

11:05 am-3:20 pm

2 stops20h 15m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$710

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

5:10 pm-1:50 pm

1 stop12h 40m

Bucharest Otopeni Intl

Mon 9/14

5:35 am-7:50 pm

1 stop22h 15m

$712

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Tue 9/1

4:05 pm-2:30 pm

1 stop30h 25m

$713

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 11/4

6:50 pm-12:30 am

1 stop21h 40m

Bucharest Otopeni Intl

Wed 11/18

4:40 pm-4:20 pm

1 stop31h 40m

$717

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 8/19

12:46 pm-1:40 pm

2 stops16h 54m

Bucharest Otopeni Intl

Wed 9/2

7:05 am-9:46 pm

2 stops22h 41m

$796

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 8/19

1:27 pm-1:40 pm

2 stops16h 13m

Bucharest Otopeni Intl

Wed 9/2

7:05 am-4:27 pm

2 stops17h 22m

$797

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 Otopeni Intl Airport

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 Otopeni Intl Airport?

If you aren’t able to travel during the month of July, then book flights to Bucharest Otopeni Intl Airport from Illinois during May instead. Flights to Bucharest Otopeni Intl Airport in May, while not as cheap as those in July, still average around $280.

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

Our data shows that Sunday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $846. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Bucharest Otopeni Intl Airport for around $874.

What is the cheapest Illinois to Bucharest Otopeni Intl flight route?

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

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $721 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest Otopeni Intl Airport from Illinois for as low as $365 on momondo.

Can stopping save me money on Illinois to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Illinois to Bucharest Otopeni Intl Airport flight.

Cheap Illinois to Bucharest Otopeni Intl Airport flight deals and tips

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

Best Price Found

$443

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best one-way flight to Bucharest Otopeni Intl Airport from Illinois in the past 72 hours is $443. The best round-trip flight deal from Illinois to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $824.
The fastest flight from Illinois to Bucharest Otopeni Intl Airport takes 9h 50m
Direct flights go from Illinois to Bucharest Otopeni Intl Airport on Monday and Friday. The only airline offering direct flights is HiSky.
Search flight deals

Frequently asked questions about flying from Illinois to Bucharest Otopeni Intl Airport

  • When did momondo last update prices for flights from Illinois to Bucharest Otopeni Intl Airport?

    Prices for flights from Illinois to Bucharest Otopeni Intl Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from Illinois to Bucharest Otopeni Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents required for your trip to Bucharest Otopeni Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest Otopeni Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Illinois to Bucharest Otopeni Intl Airport?

Best airlines flying from Illinois to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Illinois to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,704 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
7,975 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $443Free CancellationRating
7.4
1,775 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,362 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,993 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.2
222 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,587 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,450 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,190 reviews
Search LOT 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?

It is quick and easy to find Illinois to Bucharest flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Bucharest that suits you.

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

All flight searches from Illinois to Bucharest on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bucharest from Illinois.

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

If you are simply researching potential flights to Bucharest, momondo offers a useful price alert feature which will track prices for flights to Bucharest from Illinois and alert you when they change.

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