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Cheap flights from Chicago to Bucharest from $234

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Bucharest departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
LOT Logo
2:35 pm - 8:00 pm
OTP
-
ORD
13h 25m
1 stop
$676LOT
Sun, Oct 18 - Sun, Nov 1
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 - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$701Air Serbia
Sat, Aug 15 - Sat, Sep 12
Air Serbia Logo
4:40 pm - 3:05 am
ORD
-
OTP
26h 25m
1 stop
Air Serbia Logo
4:05 pm - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$702Air Serbia
Wed, Aug 12 - Sat, Sep 5
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
$705Air Serbia
Sat, Aug 15 - Mon, Aug 31
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$706Air Serbia
Mon, Aug 17 - Sun, Sep 13
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
LOT Logo
6:25 pm - 9:00 pm
OTP
-
ORD
33h 35m
1 stop
$710LOT
Sat, Oct 17 - Sat, Oct 31
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
2:35 pm - 8:05 pm
OTP
-
ORD
13h 30m
1 stop
$714Lufthansa
Tue, Oct 20 - Tue, Nov 3
Delta Logo
1:00 pm - 2:10 pm
MDW
-
OTP
17h 10m
2 stops
Delta Logo
6:00 am - 6:37 pm
OTP
-
MDW
20h 37m
2 stops
$743Delta
Mon, Nov 9 - Wed, Nov 18
Delta Logo
6:45 pm - 5:20 pm
MDW
-
OTP
14h 35m
2 stops
Delta Logo
6:00 am - 6:37 pm
OTP
-
MDW
20h 37m
2 stops
$776Delta
Wed, Oct 21 - Sat, Nov 14

Air Serbia flights from Chicago to Bucharest Otopeni Intl Airport

Our best Air Serbia deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Air Serbia
Aug 17
ORD4:40 pmChicago O'Hare Intl
14h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Sep 14
OTP4:30 amBucharest Otopeni Intl
18h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$680
Air Serbia
Aug 15
ORD11:20 pmChicago O'Hare Intl
19h 45m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 12
OTP4:05 pmBucharest Otopeni Intl
13h 10m
1 stop
ORD9:15 pmChicago O'Hare Intl
$701
Air Serbia
Aug 12
ORD4:40 pmChicago O'Hare Intl
26h 25m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 7
OTP4:30 amBucharest Otopeni Intl
18h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$702

British Airways flights from Chicago to Bucharest Otopeni Intl Airport

Our best British Airways deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
British Airways
Aug 12
ORD9:15 pmChicago O'Hare Intl
19h 05m
1 stop
OTP12:20 amBucharest Otopeni Intl
Aug 26
OTP8:15 amBucharest Otopeni Intl
15h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
$774
British Airways
Aug 12
ORD9:15 pmChicago O'Hare Intl
19h 05m
1 stop
OTP12:20 amBucharest Otopeni Intl
Aug 26
OTP8:15 amBucharest Otopeni Intl
15h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
$775

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 20, 2026.
Use the filters below to find and compare flights from Chicago 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

Sun 10/18

9:50 pm-11:15 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sun 11/1

2:35 pm-8:00 pm

1 stop13h 25m

$676

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 8/15

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sat 9/12

4:05 pm-9:15 pm

1 stop13h 10m

$701

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

4:40 pm-3:05 am

1 stop26h 25m

Bucharest Otopeni Intl

Sat 9/5

4:05 pm-9:15 pm

1 stop13h 10m

$702

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/15

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 8/31

4:30 am-2:30 pm

1 stop18h 00m

$705

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sun 9/13

4:05 pm-2:30 pm

1 stop30h 25m

$706

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 10/17

9:50 pm-11:15 pm

1 stop17h 25m

Bucharest Otopeni Intl

Sat 10/31

6:25 pm-9:00 pm

1 stop33h 35m

$710
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/20

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 11/3

2:35 pm-8:05 pm

1 stop13h 30m

$714

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 11/9

1:00 pm-2:10 pm

2 stops17h 10m

Bucharest Otopeni Intl

Wed 11/18

6:00 am-6:37 pm

2 stops20h 37m

$743

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 10/21

6:45 pm-5:20 pm

2 stops14h 35m

Bucharest Otopeni Intl

Sat 11/14

6:00 am-6:37 pm

2 stops20h 37m

$776

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 Chicago 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 typical price of a round-trip flight between Chicago and Bucharest Otopeni Intl Airport?

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 Chicago 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 $850. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $893.

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

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

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Chicago 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 Chicago for as low as $365 on momondo.

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

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

You could potentially save up to 4% on your flight if you consider stops on a Chicago to Bucharest Otopeni Intl Airport flight.

How have Chicago to Bucharest Otopeni Intl Airport flight prices changed over time?

When to book flights from Chicago to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Bucharest Otopeni Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Bucharest Otopeni Intl Airport (CHI to OTP) flight deals and tips

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

Best Price Found

$444

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $444. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $857.
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 9h 50m
Direct flights go from Chicago 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 Chicago to Bucharest Otopeni Intl Airport

  • How far is Chicago to Bucharest Otopeni Intl by plane?

    The straight-line distance from Chicago to Bucharest Otopeni Intl is 5194.0 mi. Typically, this will take 9h 50m by plane in normal conditions.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 Chicago to Bucharest Otopeni Intl Airport?

  • What is the most popular airline from Chicago to Bucharest Otopeni Intl Airport?

Best airlines flying from Chicago to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Chicago to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,747 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
7,991 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,382 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
8,018 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
227 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,518 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,589 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,452 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,193 reviews
Search LOT flights
SWISSPriceFrom $586Free CancellationRating
7.5
1,952 reviews
Search SWISS 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 Chicago to Bucharest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Bucharest for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Bucharest from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bucharest from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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