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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $260

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 O'Hare Intl Airport to Bucharest departing on 5/7. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:50 pm - 1:05 am
ORD
-
OTP
19h 15m1 stop
Multiple Airlines Logo
6:05 am - 2:55 pm
OTP
-
ORD
16h 50m2 stops
$545Multiple Airlines
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
9:50 pm - 1:05 am
ORD
-
OTP
19h 15m1 stop
Multiple Airlines Logo
5:50 am - 2:55 pm
OTP
-
ORD
17h 05m2 stops
$546Multiple Airlines
Thu, Feb 12 - Thu, Feb 19
Multiple Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m1 stop
Multiple Airlines Logo
6:05 am - 7:50 pm
OTP
-
ORD
21h 45m2 stops
$548Multiple Airlines
Fri, Apr 3 - Sat, Apr 18
Multiple Airlines Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m1 stop
Multiple Airlines Logo
5:55 am - 7:45 pm
OTP
-
ORD
20h 50m2 stops
$549Multiple Airlines
Thu, Mar 5 - Fri, Mar 13
Air Canada Logo
7:15 am - 3:50 pm
ORD
-
OTP
24h 35m2 stops
Air Canada Logo
6:30 am - 7:45 pm
OTP
-
ORD
21h 15m2 stops
$550Air Canada
Wed, Jan 14 - Sun, Jan 18
Delta Logo
4:20 pm - 5:20 pm
ORD
-
OTP
17h 00m1 stop
Delta Logo
7:00 am - 7:48 pm
OTP
-
ORD
20h 48m2 stops
$551Delta
Thu, Apr 2 - Fri, Apr 17
Delta Logo
4:20 pm - 5:40 pm
ORD
-
OTP
17h 20m1 stop
Delta Logo
2:00 pm - 10:06 pm
OTP
-
ORD
16h 06m2 stops
$552Delta
Fri, May 1 - Wed, May 13
Multiple Airlines Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m1 stop
Multiple Airlines Logo
6:30 am - 7:45 pm
OTP
-
ORD
21h 15m2 stops
$554Multiple Airlines
Wed, Jan 14 - Sun, Jan 18
Turkish Airlines Logo
11:25 am - 8:10 am
ORD
-
OTP
12h 45m1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m1 stop
$555Turkish Airlines
Tue, Apr 28 - Thu, May 14
LOT Logo
10:55 pm - 5:40 pm
ORD
-
OTP
11h 45m1 stop
LOT Logo
2:35 pm - 8:55 pm
OTP
-
ORD
37h 20m2 stops
$557LOT
Thu, Mar 12 - Sun, Mar 22

LOT flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best LOT deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
LOT
Mar 12
ORD10:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Mar 22
OTP2:35 pmBucharest Otopeni Intl
37h 20m
2 stops
ORD8:55 pmChicago O'Hare Intl
$557
Find similar
LOT
Apr 26
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
May 10
OTP6:30 pmBucharest Otopeni Intl
33h 20m
2 stops
ORD7:50 pmChicago O'Hare Intl
$593
Find similar
LOT
Jan 1
ORD9:55 pmChicago O'Hare Intl
19h 50m
1 stop
OTP1:45 amBucharest Otopeni Intl
Jan 10
OTP6:25 pmBucharest Otopeni Intl
57h 30m
2 stops
ORD7:55 pmChicago O'Hare Intl
$1,099
Find similar

SWISS flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best SWISS deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
SWISS
Jan 1
ORD4:10 pmChicago O'Hare Intl
24h 15m
1 stop
OTP12:25 amBucharest Otopeni Intl
Jan 12
OTP4:40 pmBucharest Otopeni Intl
31h 40m
1 stop
ORD4:20 pmChicago O'Hare Intl
$568
Find similar
SWISS
Jan 17
ORD5:50 pmChicago O'Hare Intl
46h 40m
2 stops
OTP12:30 amBucharest Otopeni Intl
Jan 23
OTP6:30 amBucharest Otopeni Intl
39h 40m
2 stops
ORD2:10 pmChicago O'Hare Intl
$597
Find similar
SWISS
Dec 31
ORD4:10 pmChicago O'Hare Intl
15h 40m
1 stop
OTP3:50 pmBucharest Otopeni Intl
Jan 8
OTP4:40 pmBucharest Otopeni Intl
53h 05m
2 stops
ORD1:45 pmChicago O'Hare Intl
$599
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 December 30, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/11

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

Wed 2/18

6:05 am-2:55 pm

2 stops16h 50m

$545

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 2/12

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

Thu 2/19

5:50 am-2:55 pm

2 stops17h 05m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 4/3

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Sat 4/18

6:05 am-7:50 pm

2 stops21h 45m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/5

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Fri 3/13

5:55 am-7:45 pm

2 stops20h 50m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

7:15 am-3:50 pm

2 stops24h 35m

Bucharest Otopeni Intl

Sun 1/18

6:30 am-7:45 pm

2 stops21h 15m

$550

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 4/2

4:20 pm-5:20 pm

1 stop17h 00m

Bucharest Otopeni Intl

Fri 4/17

7:00 am-7:48 pm

2 stops20h 48m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 5/1

4:20 pm-5:40 pm

1 stop17h 20m

Bucharest Otopeni Intl

Wed 5/13

2:00 pm-10:06 pm

2 stops16h 06m

$552

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Sun 1/18

6:30 am-7:45 pm

2 stops21h 15m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/28

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Thu 5/14

9:35 pm-9:40 am

1 stop20h 05m

$555

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/12

10:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sun 3/22

2:35 pm-8:55 pm

2 stops37h 20m

$557

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 Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 November, then book flights to Bucharest Otopeni Intl Airport from Chicago O'Hare Intl Airport during February instead. Flights to Bucharest Otopeni Intl Airport in February, while not as cheap as those in November, still average around $571.

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 Friday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport for around $856.

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

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

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

You are more likely to see cheaper flights to Bucharest Otopeni Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest Otopeni Intl Airport for around $722 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 O'Hare Intl Airport for as low as $634 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Bucharest Otopeni Intl flights?

There is only 1 cabin class available to choose from on Chicago O'Hare Intl to Bucharest Otopeni Intl 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 O'Hare Intl Airport to Bucharest Otopeni Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport.

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

As of December 2025, prices for Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Bucharest Otopeni Intl Airport (ORD to OTP) flight deals and tips

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

Best Price Found

$218

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $218. The best round-trip flight deal from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $811.
The fastest flight from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport takes 9h 50m
Direct flights go from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport on Monday and Friday. The only airline offering direct flights is HiSky.
Search flight deals

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

    Bucharest Otopeni Intl is 5198.3 mi away from Chicago O'Hare Intl. A reasonable flight in good conditions will take 9h 50m.

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

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

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

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Bucharest Otopeni Intl Airport.

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

    The travel and health documents you'll need for your trip to Bucharest Otopeni Intl Airport 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 Otopeni Intl Airport. 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 Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport?

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

Best airlines flying from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $385Free CancellationRating
7.4
1,633 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.3
4,132 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.5
886 reviews
Search Austrian Airlines flights
LOTPriceFrom $562Free CancellationRating
7.5
1,158 reviews
Search LOT flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,666 reviews
Search Lufthansa flights
KLMPriceFrom $568Free CancellationRating
7.7
1,435 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,515 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,015 reviews
Search Delta flights
British AirwaysPriceFrom $577Free CancellationRating
6.7
7,626 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,125 reviews
Search United Airlines flights

Traveling to a place near Bucharest?

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