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Cheap flights from Illinois to Bucharest from $305

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 9/16. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
3:55 pm - 6:15 pm
OTP
-
ORD
34h 20m
1 stop
$788Turkish Airlines
Wed, Sep 2 - Wed, Sep 16
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
$790Multiple Airlines
Sun, Aug 16 - Mon, Aug 24
Delta Logo
12:30 pm - 2:10 pm
MDW
-
OTP
17h 40m
2 stops
Delta Logo
6:00 am - 6:37 pm
OTP
-
MDW
20h 37m
2 stops
$791Delta
Wed, Nov 18 - Sun, Dec 6
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
$791Air Serbia
Sat, Aug 29 - Mon, Sep 7
Lufthansa Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
Lufthansa Logo
1:55 pm - 7:55 pm
OTP
-
ORD
14h 00m
1 stop
$792Lufthansa
Sun, Aug 9 - Sat, Aug 22
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
OTP
20h 30m
2 stops
Scandinavian Airlines Logo
4:50 pm - 4:10 pm
OTP
-
ORD
31h 20m
2 stops
$793Scandinavian Airlines
Sun, Aug 23 - Mon, Aug 31
Delta Logo
10:35 am - 12:45 pm
ORD
-
OTP
18h 10m
2 stops
Delta Logo
7:05 am - 8:24 pm
OTP
-
ORD
21h 19m
2 stops
$794Delta
Wed, Oct 7 - Fri, Oct 23
Delta Logo
1:25 pm - 1:40 pm
MDW
-
OTP
16h 15m
2 stops
Delta Logo
7:05 am - 6:01 pm
OTP
-
MDW
18h 56m
2 stops
$795Delta
Wed, Aug 12 - Wed, Aug 26
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
$798Air Serbia
Mon, Aug 17 - Mon, Sep 14
Lufthansa Logo
12:59 pm - 12:00 pm
STL
-
OTP
15h 01m
2 stops
Lufthansa Logo
1:55 pm - 10:59 pm
OTP
-
STL
17h 04m
2 stops
$856Lufthansa
Wed, Aug 12 - Sat, Aug 22

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Air Serbia flights from Illinois to Bucharest Otopeni Intl Airport

Our best Air Serbia deals on Illinois to Bucharest Otopeni Intl Airport flight tickets
Air Serbia
Aug 29
ORD11:20 pmChicago O'Hare Intl
19h 45m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 8
OTP4:05 pmBucharest Otopeni Intl
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$791
Air Serbia
Aug 17
ORD4:40 pmChicago O'Hare Intl
15h 45m
1 stop
OTP4:25 pmBucharest Otopeni Intl
Aug 30
OTP4:05 pmBucharest Otopeni Intl
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$825

Delta flights from Illinois to Bucharest Otopeni Intl Airport

Our best Delta deals on Illinois to Bucharest Otopeni Intl Airport flight tickets
Delta
Nov 18
MDW12:30 pmChicago Midway
17h 40m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Dec 6
OTP6:00 amBucharest Otopeni Intl
20h 37m
2 stops
MDW6:37 pmChicago Midway
$791
Delta
Oct 7
ORD10:35 amChicago O'Hare Intl
18h 10m
2 stops
OTP12:45 pmBucharest Otopeni Intl
Oct 20
OTP7:05 amBucharest Otopeni Intl
21h 19m
2 stops
ORD8:24 pmChicago O'Hare Intl
$794
Delta
Aug 12
MDW1:25 pmChicago Midway
16h 15m
2 stops
OTP1:40 pmBucharest Otopeni Intl
Aug 26
OTP7:05 amBucharest Otopeni Intl
18h 56m
2 stops
MDW6:01 pmChicago Midway
$795

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 June 27, 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

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/2

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Wed 9/16

3:55 pm-6:15 pm

1 stop34h 20m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/16

11:05 am-3:20 pm

2 stops20h 15m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$790

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 11/18

12:30 pm-2:10 pm

2 stops17h 40m

Bucharest Otopeni Intl

Sun 12/6

6:00 am-6:37 pm

2 stops20h 37m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 9/7

4:30 am-2:30 pm

1 stop18h 00m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Sat 8/22

1:55 pm-7:55 pm

1 stop14h 00m

$792

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/23

7:15 pm-11:45 pm

2 stops20h 30m

Bucharest Otopeni Intl

Mon 8/31

4:50 pm-4:10 pm

2 stops31h 20m

$793

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 10/7

10:35 am-12:45 pm

2 stops18h 10m

Bucharest Otopeni Intl

Fri 10/23

7:05 am-8:24 pm

2 stops21h 19m

$794

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 8/12

1:25 pm-1:40 pm

2 stops16h 15m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-6:01 pm

2 stops18h 56m

$795

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

$798
Quickest round-trip

St. LouisBucharest

STL - OTP

STLOTP

Lambert-St Louis

Wed 8/12

12:59 pm-12:00 pm

2 stops15h 01m

Bucharest Otopeni Intl

Sat 8/22

1:55 pm-10:59 pm

2 stops17h 04m

$856

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 Tuesday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $853. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Bucharest Otopeni Intl Airport for around $893.

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 $734 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.

What cabin class options are available on Illinois to Bucharest Otopeni Intl Airport flights?

There are 2 cabin classes available to choose from on Illinois to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Illinois to Bucharest Otopeni Intl Airport.

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

$478

Fastest flight time

12h 15m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Illinois in the past 72 hours is $478. The best round-trip flight deal from Illinois to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $932.
The fastest flight from Illinois to Bucharest Otopeni Intl Airport takes 12h 15m
There are no direct flights from Illinois to Bucharest Otopeni Intl Airport. There are no popular flight routes from Illinois to Bucharest Otopeni Intl Airport.
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
9,901 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,074 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.4
4,425 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $510Free CancellationRating
7.5
1,614 reviews
Search Air France flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
232 reviews
Search Air Serbia flights
KLMPriceFrom $541Free CancellationRating
7.8
1,531 reviews
Search KLM flights
LufthansaPriceFrom $553Free CancellationRating
6.8
8,103 reviews
Search Lufthansa flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,976 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.8
8,455 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,207 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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