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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.
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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.
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$676Air Serbia
Sat, Aug 29 - Mon, Sep 14
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m
1 stop
LOT Logo
2:35 pm - 8:00 pm
OTP
-
ORD
13h 25m
1 stop
$677LOT
Thu, Nov 5 - Sat, Nov 14
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
Delta Logo
1:05 pm - 2:10 pm
MDW
-
OTP
17h 05m
2 stops
Delta Logo
6:00 am - 6:37 pm
OTP
-
MDW
20h 37m
2 stops
$744Delta
Mon, Nov 9 - Wed, Nov 18
Delta Logo
12:30 pm - 1:00 pm
MDW
-
OTP
16h 30m
2 stops
Delta Logo
6:00 am - 4:50 pm
OTP
-
MDW
18h 50m
2 stops
$749Delta
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
5:30 pm - 1:10 am
STL
-
OTP
23h 40m
2 stops
United Airlines Logo
6:05 am - 1:25 pm
OTP
-
STL
15h 20m
1 stop
$843United Airlines
Mon, Sep 7 - Wed, Sep 16
United Airlines Logo
7:01 am - 6:35 pm
STL
-
OTP
27h 34m
3 stops
United Airlines Logo
6:05 am - 6:41 pm
OTP
-
STL
20h 36m
2 stops
$847United Airlines
Tue, Sep 8 - Thu, Oct 1
Lufthansa Logo
3:30 pm - 4:20 pm
STL
-
OTP
16h 50m
1 stop
Lufthansa Logo
6:05 am - 1:25 pm
OTP
-
STL
15h 20m
1 stop
$851Lufthansa
Mon, Sep 7 - Wed, Sep 16
Lufthansa Logo
3:30 pm - 1:00 pm
STL
-
OTP
13h 30m
1 stop
Lufthansa Logo
5:35 pm - 1:25 pm
OTP
-
STL
27h 50m
1 stop
$900Lufthansa
Tue, Sep 8 - Thu, Oct 1

Delta flights from Illinois to Bucharest

Our best Delta deals on Illinois to Bucharest flight tickets
Delta
Aug 12
ORD5:10 pmChicago O'Hare Intl
12h 30m
1 stop
OTP1:40 pmBucharest Otopeni Intl
Aug 26
OTP7:05 amBucharest Otopeni Intl
15h 25m
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
Nov 9
MDW1:05 pmChicago Midway
17h 05m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Nov 18
OTP6:00 amBucharest Otopeni Intl
20h 37m
2 stops
MDW6:37 pmChicago Midway
$744

United Airlines flights from Illinois to Bucharest

Our best United Airlines deals on Illinois to Bucharest flight tickets
United Airlines
Aug 9
ORD10:51 amChicago O'Hare Intl
17h 09m
2 stops
OTP12:00 pmBucharest Otopeni Intl
Aug 21
OTP1:45 pmBucharest Otopeni Intl
17h 55m
2 stops
ORD11:40 pmChicago O'Hare Intl
$746
United Airlines
Sep 7
STL5:30 pmLambert-St Louis
23h 40m
2 stops
OTP1:10 amBucharest Otopeni Intl
Sep 16
OTP6:05 amBucharest Otopeni Intl
15h 20m
1 stop
STL1:25 pmLambert-St Louis
$843
United Airlines
Sep 8
STL7:01 amLambert-St Louis
27h 34m
3 stops
OTP6:35 pmBucharest Otopeni Intl
Oct 1
OTP6:05 amBucharest Otopeni Intl
20h 36m
2 stops
STL6:41 pmLambert-St Louis
$847

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 May 13, 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

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$676
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 11/5

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sat 11/14

2:35 pm-8:00 pm

1 stop13h 25m

$677

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

MDW - OTP

MDWOTP

Chicago Midway

Mon 11/9

1:05 pm-2:10 pm

2 stops17h 05m

Bucharest Otopeni Intl

Wed 11/18

6:00 am-6:37 pm

2 stops20h 37m

$744

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 11/4

12:30 pm-1:00 pm

2 stops16h 30m

Bucharest Otopeni Intl

Wed 11/11

6:00 am-4:50 pm

2 stops18h 50m

$749

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 9/7

5:30 pm-1:10 am

2 stops23h 40m

Bucharest Otopeni Intl

Wed 9/16

6:05 am-1:25 pm

1 stop15h 20m

$843

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 9/8

7:01 am-6:35 pm

3 stops27h 34m

Bucharest Otopeni Intl

Thu 10/1

6:05 am-6:41 pm

2 stops20h 36m

$847

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Mon 9/7

3:30 pm-4:20 pm

1 stop16h 50m

Bucharest Otopeni Intl

Wed 9/16

6:05 am-1:25 pm

1 stop15h 20m

$851

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Tue 9/8

3:30 pm-1:00 pm

1 stop13h 30m

Bucharest Otopeni Intl

Thu 10/1

5:35 pm-1:25 pm

1 stop27h 50m

$900

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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, July 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 $278. If you aren’t able to travel to Bucharest during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $280.

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

Our data shows that Sunday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $846. The most expensive day to fly to Bucharest is Monday, with ticket prices averaging around $874.

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 from Illinois 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 $721 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.

Can stopping save me money on Illinois to Bucharest flights?

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

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

$443

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 $443. The best round-trip flight deal from Illinois to Bucharest found on momondo in the last 72 hours is $824.
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

Frequently asked questions about flying from Illinois to Bucharest

  • 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
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,711 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
7,979 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $443Free CancellationRating
7.4
1,777 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,366 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,999 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.2
223 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
8,453 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?

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