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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $275

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 10/5. 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 Chicago O'Hare Intl Airport to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
LOT Logo
8:20 am - 7:50 pm
OTP
-
ORD
19h 30m
1 stop
$789LOT
Wed, Sep 2 - Wed, Sep 16
LOT Logo
5:10 pm - 1:50 pm
ORD
-
OTP
12h 40m
1 stop
LOT Logo
8:20 am - 7:50 pm
OTP
-
ORD
19h 30m
1 stop
$789LOT
Thu, Sep 3 - Thu, Sep 17
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$789Turkish Airlines
Wed, Sep 2 - Wed, Sep 16
Turkish Airlines Logo
8:10 pm - 2:35 pm
ORD
-
OTP
34h 25m
1 stop
Turkish Airlines Logo
9:30 am - 9:40 am
OTP
-
ORD
32h 10m
1 stop
$789Turkish Airlines
Sat, Oct 10 - Wed, Oct 14
Air Canada Logo
7:05 am - 3:50 pm
ORD
-
OTP
24h 45m
2 stops
Air Canada Logo
6:30 am - 7:52 pm
OTP
-
ORD
21h 22m
2 stops
$789Air Canada
Mon, Jan 25 - Sat, Feb 6
Air Canada Logo
5:50 pm - 3:50 pm
ORD
-
OTP
38h 00m
2 stops
Air Canada Logo
6:30 am - 11:07 am
OTP
-
ORD
36h 37m
2 stops
$789Air Canada
Sat, Jan 23 - Sun, Feb 7
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:05 pm - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$790Air Serbia
Mon, Sep 21 - Sat, Sep 26
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
$794Air Serbia
Mon, Sep 21 - Tue, Sep 29
KLM Logo
3:00 pm - 3:25 pm
ORD
-
OTP
16h 25m
2 stops
KLM Logo
8:35 am - 6:10 pm
OTP
-
ORD
17h 35m
2 stops
$795KLM
Wed, Jan 27 - Mon, Feb 8
KLM Logo
1:55 pm - 1:00 pm
ORD
-
OTP
15h 05m
2 stops
KLM Logo
8:35 am - 2:15 pm
OTP
-
ORD
13h 40m
1 stop
$896KLM
Tue, Sep 15 - Tue, Sep 22

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

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines
Oct 9
ORD11:25 amChicago O'Hare Intl
15h 50m
1 stop
OTP11:15 amBucharest Otopeni Intl
Oct 13
OTP9:35 pmBucharest Otopeni Intl
20h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$789
Turkish Airlines
Sep 15
ORD11:25 amChicago O'Hare Intl
19h 10m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Sep 22
OTP9:30 amBucharest Otopeni Intl
32h 10m
1 stop
ORD9:40 amChicago O'Hare Intl
$792
Turkish Airlines
Sep 19
ORD8:10 pmChicago O'Hare Intl
28h 00m
1 stop
OTP8:10 amBucharest Otopeni Intl
Oct 11
OTP3:55 pmBucharest Otopeni Intl
25h 45m
1 stop
ORD9:40 amChicago O'Hare Intl
$799

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

Our best Delta deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
Delta
Sep 8
ORD7:35 amChicago O'Hare Intl
21h 10m
2 stops
OTP12:45 pmBucharest Otopeni Intl
Sep 22
OTP2:00 pmBucharest Otopeni Intl
32h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$842
Delta
Aug 5
ORD5:10 pmChicago O'Hare Intl
12h 30m
1 stop
OTP1:40 pmBucharest Otopeni Intl
Aug 19
OTP2:00 pmBucharest Otopeni Intl
32h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
$937
Delta
Aug 4
ORD4:20 pmChicago O'Hare Intl
12h 40m
1 stop
OTP1:00 pmBucharest Otopeni Intl
Aug 18
OTP2:00 pmBucharest Otopeni Intl
32h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$941

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 August 3, 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

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/2

9:50 pm-1:50 am

1 stop20h 00m

Bucharest Otopeni Intl

Wed 9/16

8:20 am-7:50 pm

1 stop19h 30m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 9/3

5:10 pm-1:50 pm

1 stop12h 40m

Bucharest Otopeni Intl

Thu 9/17

8:20 am-7:50 pm

1 stop19h 30m

$789

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

9:35 pm-9:40 am

1 stop20h 05m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 10/10

8:10 pm-2:35 pm

1 stop34h 25m

Bucharest Otopeni Intl

Wed 10/14

9:30 am-9:40 am

1 stop32h 10m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/25

7:05 am-3:50 pm

2 stops24h 45m

Bucharest Otopeni Intl

Sat 2/6

6:30 am-7:52 pm

2 stops21h 22m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/23

5:50 pm-3:50 pm

2 stops38h 00m

Bucharest Otopeni Intl

Sun 2/7

6:30 am-11:07 am

2 stops36h 37m

$789
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/21

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sat 9/26

4:05 pm-9:15 pm

1 stop13h 10m

$790

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/21

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Tue 9/29

4:05 pm-2:30 pm

1 stop30h 25m

$794

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/27

3:00 pm-3:25 pm

2 stops16h 25m

Bucharest Otopeni Intl

Mon 2/8

8:35 am-6:10 pm

2 stops17h 35m

$795

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/15

1:55 pm-1:00 pm

2 stops15h 05m

Bucharest Otopeni Intl

Tue 9/22

8:35 am-2:15 pm

1 stop13h 40m

$896

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from $640 to $939.
The lowest price recently found on this route was $789.

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 January instead. Flights to Bucharest Otopeni Intl Airport in January, while not as cheap as those in November, still average around $575.

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 Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport for around $893.

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 from Chicago O'Hare Intl Airport 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 $746 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 $365 on momondo.

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

There are 3 cabin classes available to choose from on Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight.

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

$478

Fastest flight time

12h 05m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $478. 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 $932.
The fastest flight from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport takes 12h 05m
There are no direct flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

  • 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 12h 05m.

  • 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
United AirlinesPriceFrom $300Free CancellationRating
7.4
10,059 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,143 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,461 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $510Free CancellationRating
7.5
1,633 reviews
Search Air France flights
KLMPriceFrom $541Free CancellationRating
7.8
1,552 reviews
Search KLM flights
LufthansaPriceFrom $553Free CancellationRating
6.8
8,173 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $566Free CancellationRating
6.2
233 reviews
Search Air Serbia flights
SWISSPriceFrom $569Free CancellationRating
7.5
2,021 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.8
8,488 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.6
1,212 reviews
Search LOT flights

Traveling to a place near Bucharest?

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To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bucharest from Chicago.

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

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