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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $277

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 1/19. 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.
Austrian Airlines Logo
4:25 pm - 9:05 am
ORD
-
OTP
32h 40m2 stops
Austrian Airlines Logo
6:35 am - 1:20 pm
OTP
-
ORD
14h 45m1 stop
$521Austrian Airlines
Mon, Apr 6 - Sun, Apr 19
Multiple Airlines Logo
4:38 pm - 3:50 pm
ORD
-
OTP
15h 12m2 stops
Multiple Airlines Logo
6:05 am - 10:42 pm
OTP
-
ORD
24h 37m2 stops
$522Multiple Airlines
Thu, Jan 15 - Thu, Jan 22
LOT Logo
9:55 pm - 1:45 am
ORD
-
OTP
19h 50m1 stop
LOT Logo
2:35 pm - 8:00 pm
OTP
-
ORD
13h 25m1 stop
$527LOT
Wed, Feb 11 - Sun, Feb 15
SWISS Logo
4:25 pm - 1:05 am
ORD
-
OTP
24h 40m2 stops
SWISS Logo
6:30 am - 12:20 pm
OTP
-
ORD
13h 50m1 stop
$528SWISS
Mon, Apr 6 - Sun, Apr 19
SWISS Logo
3:50 pm - 1:45 pm
ORD
-
OTP
13h 55m1 stop
SWISS Logo
6:30 am - 12:20 pm
OTP
-
ORD
13h 50m1 stop
$529SWISS
Mon, Apr 6 - Sun, Apr 19
Turkish Airlines Logo
8:20 pm - 8:50 am
ORD
-
OTP
28h 30m1 stop
Turkish Airlines Logo
10:10 am - 6:25 pm
OTP
-
ORD
16h 15m1 stop
$531Turkish Airlines
Mon, Jan 19 - Tue, Feb 3
Multiple Airlines Logo
5:50 pm - 6:25 pm
ORD
-
OTP
16h 35m2 stops
Multiple Airlines Logo
6:30 am - 12:45 pm
OTP
-
ORD
14h 15m1 stop
$534Multiple Airlines
Thu, Jan 15 - Thu, Jan 22
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m1 stop
LOT Logo
6:25 pm - 7:55 pm
OTP
-
ORD
57h 30m2 stops
$535LOT
Sat, Jan 24 - Sat, Feb 7
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m1 stop
Lufthansa Logo
1:05 pm - 6:25 pm
OTP
-
ORD
13h 20m1 stop
$537Lufthansa
Wed, Jan 14 - Thu, Jan 22
SWISS Logo
4:10 pm - 3:50 pm
ORD
-
OTP
15h 40m1 stop
SWISS Logo
6:30 am - 12:45 pm
OTP
-
ORD
14h 15m1 stop
$538SWISS
Fri, Jan 16 - Thu, Jan 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
Feb 11
ORD9:55 pmChicago O'Hare Intl
19h 50m
1 stop
OTP1:45 amBucharest Otopeni Intl
Feb 15
OTP2:35 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
$527
Find similar
LOT
Jan 24
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Feb 7
OTP6:25 pmBucharest Otopeni Intl
57h 30m
2 stops
ORD7:55 pmChicago O'Hare Intl
$535
Find similar
LOT
Jan 13
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Jan 22
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
$540
Find similar

Air Canada flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best Air Canada deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
Air Canada
Jan 19
ORD3:55 pmChicago O'Hare Intl
15h 55m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Feb 3
OTP5:55 amBucharest Otopeni Intl
17h 00m
2 stops
ORD2:55 pmChicago O'Hare Intl
$550
Find similar
Air Canada
Jan 14
ORD7:15 amChicago O'Hare Intl
24h 35m
2 stops
OTP3:50 pmBucharest Otopeni Intl
Jan 23
OTP5:55 amBucharest Otopeni Intl
40h 46m
2 stops
ORD2:41 pmChicago O'Hare Intl
$569
Find similar
Air Canada
Jan 13
ORD2:00 pmChicago O'Hare Intl
17h 45m
2 stops
OTP3:45 pmBucharest Otopeni Intl
Jan 22
OTP5:50 amBucharest Otopeni Intl
42h 52m
2 stops
ORD4:42 pmChicago O'Hare Intl
$572
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 9, 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

Mon 4/6

4:25 pm-9:05 am

2 stops32h 40m

Bucharest Otopeni Intl

Sun 4/19

6:35 am-1:20 pm

1 stop14h 45m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 1/15

4:38 pm-3:50 pm

2 stops15h 12m

Bucharest Otopeni Intl

Thu 1/22

6:05 am-10:42 pm

2 stops24h 37m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/11

9:55 pm-1:45 am

1 stop19h 50m

Bucharest Otopeni Intl

Sun 2/15

2:35 pm-8:00 pm

1 stop13h 25m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/6

4:25 pm-1:05 am

2 stops24h 40m

Bucharest Otopeni Intl

Sun 4/19

6:30 am-12:20 pm

1 stop13h 50m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/6

3:50 pm-1:45 pm

1 stop13h 55m

Bucharest Otopeni Intl

Sun 4/19

6:30 am-12:20 pm

1 stop13h 50m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/19

8:20 pm-8:50 am

1 stop28h 30m

Bucharest Otopeni Intl

Tue 2/3

10:10 am-6:25 pm

1 stop16h 15m

$531

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 1/15

5:50 pm-6:25 pm

2 stops16h 35m

Bucharest Otopeni Intl

Thu 1/22

6:30 am-12:45 pm

1 stop14h 15m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sat 2/7

6:25 pm-7:55 pm

2 stops57h 30m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Thu 1/22

1:05 pm-6:25 pm

1 stop13h 20m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/16

4:10 pm-3:50 pm

1 stop15h 40m

Bucharest Otopeni Intl

Thu 1/22

6:30 am-12:45 pm

1 stop14h 15m

$538

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 $559.

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

Our most recent data shows that the best time of day to fly to Bucharest Otopeni Intl Airport is in the morning. Flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport during this time can be as low as $607. In the afternoon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $872 per ticket.

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 $725 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

$827

Fastest flight time

9h 50m

Direct flights

Mon
The best flight deal from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $827
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. There are no airlines offering direct flights.
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 11h 45m.

  • 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
1,602 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.5
1,143 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,431 reviews
Search KLM flights
LufthansaPriceFrom $570Free CancellationRating
6.8
7,618 reviews
Search Lufthansa flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,089 reviews
Search United Airlines flights
SWISSPriceFrom $597Free CancellationRating
7.5
1,807 reviews
Search SWISS flights
Air FrancePriceFrom $618Free CancellationRating
7.4
1,502 reviews
Search Air France flights

Traveling to a place near Bucharest?

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