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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $184

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 2/15. 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.
LOT Logo
10:55 pm - 5:40 pm
ORD
-
OTP
11h 45m1 stop
LOT Logo
8:20 am - 9:00 pm
OTP
-
ORD
19h 40m1 stop
$538LOT
Thu, Mar 12 - Sun, Mar 22
Air Canada Logo
2:00 pm - 12:30 pm
ORD
-
OTP
15h 30m2 stops
Air Canada Logo
6:35 am - 5:45 pm
OTP
-
ORD
19h 10m2 stops
$539Air Canada
Thu, Mar 26 - Thu, Apr 2
United Airlines Logo
4:05 pm - 2:00 pm
ORD
-
OTP
13h 55m1 stop
United Airlines Logo
5:55 am - 3:20 pm
OTP
-
ORD
17h 25m1 stop
$540United Airlines
Wed, Jan 21 - Sun, Jan 25
United Airlines Logo
10:35 am - 2:00 pm
ORD
-
OTP
19h 25m2 stops
United Airlines Logo
5:55 am - 3:20 pm
OTP
-
ORD
17h 25m1 stop
$543United Airlines
Wed, Jan 21 - Sun, Jan 25
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m1 stop
Lufthansa Logo
5:55 am - 1:25 pm
OTP
-
ORD
15h 30m1 stop
$546Lufthansa
Sat, Feb 7 - Sat, Feb 21
Multiple Airlines Logo
6:30 pm - 12:45 am
ORD
-
OTP
22h 15m2 stops
Multiple Airlines Logo
6:45 pm - 5:20 pm
OTP
-
ORD
30h 35m2 stops
$548Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
6:25 pm - 11:45 pm
ORD
-
OTP
21h 20m1 stop
American Airlines Logo
8:05 am - 7:15 pm
OTP
-
ORD
19h 10m2 stops
$549American Airlines
Sat, Jan 24 - Sat, Feb 7
LOT Logo
10:55 pm - 1:50 pm
ORD
-
OTP
31h 55m1 stop
LOT Logo
2:35 pm - 8:55 pm
OTP
-
ORD
37h 20m2 stops
$551LOT
Thu, Mar 12 - Sun, Mar 22
American Airlines Logo
3:21 pm - 11:45 pm
ORD
-
OTP
24h 24m2 stops
American Airlines Logo
8:05 am - 11:27 pm
OTP
-
ORD
23h 22m2 stops
$553American Airlines
Sat, Jan 24 - Sat, Feb 7
SWISS Logo
6:50 pm - 3:50 pm
ORD
-
OTP
13h 00m1 stop
SWISS Logo
4:40 pm - 4:20 pm
OTP
-
ORD
31h 40m1 stop
$554SWISS
Sat, Jan 24 - Sat, Feb 7

United Airlines flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best United Airlines deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
United Airlines
Jan 21
ORD4:05 pmChicago O'Hare Intl
13h 55m
1 stop
OTP2:00 pmBucharest Otopeni Intl
Jan 25
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
$540
United Airlines
Jan 21
ORD10:35 amChicago O'Hare Intl
19h 25m
2 stops
OTP2:00 pmBucharest Otopeni Intl
Jan 25
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
$543
United Airlines
Mar 26
ORD7:15 amChicago O'Hare Intl
28h 25m
2 stops
OTP6:40 pmBucharest Otopeni Intl
Apr 6
OTP1:50 pmBucharest Otopeni Intl
31h 05m
1 stop
ORD12:55 pmChicago O'Hare Intl
$564

American Airlines flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best American Airlines deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
American Airlines
Jan 24
ORD6:25 pmChicago O'Hare Intl
21h 20m
1 stop
OTP11:45 pmBucharest Otopeni Intl
Feb 7
OTP8:05 amBucharest Otopeni Intl
19h 10m
2 stops
ORD7:15 pmChicago O'Hare Intl
$549
American Airlines
Jan 24
ORD3:21 pmChicago O'Hare Intl
24h 24m
2 stops
OTP11:45 pmBucharest Otopeni Intl
Feb 7
OTP8:05 amBucharest Otopeni Intl
23h 22m
2 stops
ORD11:27 pmChicago O'Hare Intl
$553

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 January 8, 2026.
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

Thu 3/12

10:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Sun 3/22

8:20 am-9:00 pm

1 stop19h 40m

$538

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/26

2:00 pm-12:30 pm

2 stops15h 30m

Bucharest Otopeni Intl

Thu 4/2

6:35 am-5:45 pm

2 stops19h 10m

$539

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/21

4:05 pm-2:00 pm

1 stop13h 55m

Bucharest Otopeni Intl

Sun 1/25

5:55 am-3:20 pm

1 stop17h 25m

$540

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/21

10:35 am-2:00 pm

2 stops19h 25m

Bucharest Otopeni Intl

Sun 1/25

5:55 am-3:20 pm

1 stop17h 25m

$543

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/7

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Sat 2/21

5:55 am-1:25 pm

1 stop15h 30m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

6:30 pm-12:45 am

2 stops22h 15m

Bucharest Otopeni Intl

Sat 1/31

6:45 pm-5:20 pm

2 stops30h 35m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

6:25 pm-11:45 pm

1 stop21h 20m

Bucharest Otopeni Intl

Sat 2/7

8:05 am-7:15 pm

2 stops19h 10m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/12

10:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

Sun 3/22

2:35 pm-8:55 pm

2 stops37h 20m

$551

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

3:21 pm-11:45 pm

2 stops24h 24m

Bucharest Otopeni Intl

Sat 2/7

8:05 am-11:27 pm

2 stops23h 22m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Sat 2/7

4:40 pm-4:20 pm

1 stop31h 40m

$554

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 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 Monday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $829. 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 $728 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 $528 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?

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 $809.
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
7.3
1,637 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.3
4,154 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
889 reviews
Search Austrian Airlines flights
LOTPriceFrom $562Free CancellationRating
7.5
1,169 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,519 reviews
Search Air France flights
LufthansaPriceFrom $569Free CancellationRating
6.8
7,698 reviews
Search Lufthansa flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,032 reviews
Search Delta flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,659 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights

Traveling to a place near Bucharest?

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