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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $330

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 9/6. 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

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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
10:50 pm - 1:05 am
ORD
-
OTP
19h 15m
1 stop
Multiple Airlines Logo
6:30 am - 7:35 pm
OTP
-
ORD
21h 05m
2 stops
$749Multiple Airlines
Thu, Oct 29 - Thu, Nov 12
Air Serbia Logo
4:40 pm - 4:25 pm
ORD
-
OTP
15h 45m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$752Air Serbia
Mon, Aug 17 - Mon, Sep 14
United Airlines Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m
1 stop
United Airlines Logo
7:10 pm - 11:42 pm
OTP
-
ORD
36h 32m
2 stops
$755United Airlines
Mon, Nov 30 - Mon, Dec 14
Multiple Airlines Logo
4:20 pm - 3:10 pm
ORD
-
OTP
14h 50m
1 stop
Multiple Airlines Logo
6:20 am - 12:35 pm
OTP
-
ORD
14h 15m
1 stop
$756Multiple Airlines
Sun, Aug 9 - Wed, Aug 26
Scandinavian Airlines Logo
7:15 pm - 11:45 pm
ORD
-
OTP
20h 30m
2 stops
Scandinavian Airlines Logo
4:50 pm - 4:10 pm
OTP
-
ORD
31h 20m
2 stops
$758Scandinavian Airlines
Tue, Sep 29 - Tue, Oct 13
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
$760Air Serbia
Wed, Jul 29 - Sat, Sep 12
Delta Logo
12:15 pm - 2:10 pm
ORD
-
OTP
18h 55m
2 stops
Delta Logo
6:00 am - 3:25 pm
OTP
-
ORD
16h 25m
1 stop
$761Delta
Wed, Oct 28 - Sun, Nov 1
Air Serbia Logo
11:20 pm - 3:20 pm
ORD
-
OTP
32h 00m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$762Air Serbia
Sat, Aug 1 - Mon, Aug 31
Multiple Airlines Logo
11:05 am - 3:20 pm
ORD
-
OTP
20h 15m
2 stops
Multiple Airlines Logo
6:00 am - 8:05 pm
OTP
-
ORD
22h 05m
1 stop
$763Multiple Airlines
Mon, Aug 10 - Sat, Jan 9
Lufthansa Logo
3:35 pm - 12:00 pm
ORD
-
OTP
12h 25m
1 stop
Lufthansa Logo
1:50 pm - 7:55 pm
OTP
-
ORD
14h 05m
1 stop
$765Lufthansa
Sun, Aug 16 - Mon, Aug 24

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
Aug 26
ORD9:50 pmChicago O'Hare Intl
20h 00m
1 stop
OTP1:50 amBucharest Otopeni Intl
Sep 9
OTP8:20 amBucharest Otopeni Intl
19h 30m
1 stop
ORD7:50 pmChicago O'Hare Intl
$795
LOT
Aug 19
ORD9:50 pmChicago O'Hare Intl
20h 00m
1 stop
OTP1:50 amBucharest Otopeni Intl
Sep 2
OTP6:30 pmBucharest Otopeni Intl
28h 40m
1 stop
ORD3:10 pmChicago O'Hare Intl
$803
LOT
Jun 5
ORD9:50 pmChicago O'Hare Intl
17h 25m
1 stop
OTP11:15 pmBucharest Otopeni Intl
Jun 12
OTP2:35 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
$1,112

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

Our best Lufthansa deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Aug 16
ORD3:35 pmChicago O'Hare Intl
12h 25m
1 stop
OTP12:00 pmBucharest Otopeni Intl
Aug 24
OTP1:50 pmBucharest Otopeni Intl
14h 05m
1 stop
ORD7:55 pmChicago O'Hare Intl
$765
Lufthansa
Aug 12
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 26
OTP6:15 amBucharest Otopeni Intl
14h 20m
1 stop
ORD12:35 pmChicago O'Hare Intl
$766
Lufthansa
Aug 12
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 22
OTP6:15 amBucharest Otopeni Intl
20h 00m
1 stop
ORD6:15 pmChicago O'Hare Intl
$767

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 June 4, 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

Thu 10/29

10:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

Thu 11/12

6:30 am-7:35 pm

2 stops21h 05m

$749

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

4:40 pm-4:25 pm

1 stop15h 45m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$752

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/30

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Mon 12/14

7:10 pm-11:42 pm

2 stops36h 32m

$755

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

4:20 pm-3:10 pm

1 stop14h 50m

Bucharest Otopeni Intl

Wed 8/26

6:20 am-12:35 pm

1 stop14h 15m

$756

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 9/29

7:15 pm-11:45 pm

2 stops20h 30m

Bucharest Otopeni Intl

Tue 10/13

4:50 pm-4:10 pm

2 stops31h 20m

$758

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 7/29

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sat 9/12

4:05 pm-9:15 pm

1 stop13h 10m

$760

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 10/28

12:15 pm-2:10 pm

2 stops18h 55m

Bucharest Otopeni Intl

Sun 11/1

6:00 am-3:25 pm

1 stop16h 25m

$761

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Mon 8/31

4:30 am-2:30 pm

1 stop18h 00m

$762

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

11:05 am-3:20 pm

2 stops20h 15m

Bucharest Otopeni Intl

Sat 1/9

6:00 am-8:05 pm

1 stop22h 05m

$763
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/16

3:35 pm-12:00 pm

1 stop12h 25m

Bucharest Otopeni Intl

Mon 8/24

1:50 pm-7:55 pm

1 stop14h 05m

$765

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 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 $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 $365 on momondo.

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

There are 2 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.

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

$458

Fastest flight time

12h 15m

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 $458. 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 $868.
The fastest flight from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport takes 12h 15m
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 15m.

  • 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
9,774 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,026 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,408 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $535Free CancellationRating
6.8
8,036 reviews
Search Lufthansa flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
229 reviews
Search Air Serbia flights
KLMPriceFrom $539Free CancellationRating
7.8
1,524 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,596 reviews
Search Air France flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,964 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.8
8,395 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,198 reviews
Search LOT flights

Traveling to a place near Bucharest?

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