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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $261

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 12/2. 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.
Turkish Airlines Logo
8:20 pm - 2:10 pmORD-OTP
33h 50m1 stop
Turkish Airlines Logo
9:50 pm - 6:25 pmOTP-ORD
28h 35m1 stop
$529Turkish Airlines
Find Deal
vie., feb. 13 - vie., feb. 20
Multiple Airlines Logo
6:50 pm - 3:45 pmORD-OTP
12h 55m1 stop
Multiple Airlines Logo
2:45 pm - 8:05 pmOTP-ORD
13h 20m1 stop
$534Multiple Airlines
Find Deal
mar., dic. 2 - jue., dic. 11
Multiple Airlines Logo
7:05 pm - 1:05 amORD-OTP
22h 00m1 stop
Multiple Airlines Logo
1:50 pm - 7:55 pmOTP-ORD
14h 05m1 stop
$535Multiple Airlines
Find Deal
sáb., abr. 11 - sáb., abr. 25
Turkish Airlines Logo
12:50 pm - 8:50 amORD-OTP
13h 00m1 stop
Turkish Airlines Logo
9:45 pm - 9:40 amOTP-ORD
19h 55m1 stop
$538Turkish Airlines
Find Deal
lun., mar. 16 - lun., mar. 30
Multiple Airlines Logo
12:50 pm - 6:35 pmORD-OTP
22h 45m2 stops
Multiple Airlines Logo
1:50 pm - 7:55 pmOTP-ORD
14h 05m1 stop
$540Multiple Airlines
Find Deal
lun., mar. 16 - lun., mar. 30
Multiple Airlines Logo
12:50 pm - 6:35 pmORD-OTP
21h 45m2 stops
Multiple Airlines Logo
2:50 pm - 8:05 pmOTP-ORD
13h 15m1 stop
$541Multiple Airlines
Find Deal
lun., nov. 24 - lun., dic. 8
Multiple Airlines Logo
7:15 am - 3:45 pmORD-OTP
24h 30m2 stops
Multiple Airlines Logo
5:55 am - 1:10 pmOTP-ORD
15h 15m1 stop
$545Multiple Airlines
Find Deal
mar., feb. 10 - mar., feb. 24
Turkish Airlines Logo
11:25 am - 2:35 pmORD-OTP
19h 10m1 stop
Turkish Airlines Logo
9:45 pm - 9:40 amOTP-ORD
19h 55m1 stop
$547Turkish Airlines
Find Deal
mar., may. 12 - mar., may. 19
Multiple Airlines Logo
6:50 pm - 12:25 amORD-OTP
21h 35m1 stop
Multiple Airlines Logo
5:55 am - 7:30 pmOTP-ORD
21h 35m2 stops
$548Multiple Airlines
Find Deal
sáb., ene. 17 - sáb., ene. 31
Multiple Airlines Logo
7:05 pm - 3:20 pmORD-OTP
12h 15m1 stop
Multiple Airlines Logo
6:35 am - 1:20 pmOTP-ORD
14h 45m1 stop
$549Multiple Airlines
Find Deal
mar., mar. 31 - mar., abr. 7

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
Nov 30
ORD5:20 pmChicago O'Hare Intl
34h 45m
1 stop
OTP12:05 pmBucharest Otopeni Intl
Dec 13
OTP6:00 amBucharest Otopeni Intl
16h 20m
1 stop
ORD2:20 pmChicago O'Hare Intl
$565
Find similar
Delta
Mar 31
ORD10:40 amChicago O'Hare Intl
17h 30m
2 stops
OTP12:10 pmBucharest Otopeni Intl
Apr 5
OTP1:50 pmBucharest Otopeni Intl
32h 30m
1 stop
ORD2:20 pmChicago O'Hare Intl
$566
Find similar
Delta
Nov 29
ORD5:20 pmChicago O'Hare Intl
21h 30m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Dec 15
OTP6:00 amBucharest Otopeni Intl
21h 20m
2 stops
ORD7:20 pmChicago O'Hare Intl
$569
Find similar

British Airways flights from Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport

Our best British Airways deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
British Airways
Mar 29
ORD7:05 pmChicago O'Hare Intl
21h 40m
1 stop
OTP12:45 amBucharest Otopeni Intl
Apr 7
OTP8:25 amBucharest Otopeni Intl
17h 50m
1 stop
ORD6:15 pmChicago O'Hare Intl
$551
Find similar
British Airways
Jan 9
ORD9:45 pmChicago O'Hare Intl
17h 40m
1 stop
OTP11:25 pmBucharest Otopeni Intl
Jan 16
OTP8:00 amBucharest Otopeni Intl
18h 45m
1 stop
ORD6:45 pmChicago O'Hare Intl
$560
Find similar
British Airways
Jan 9
ORD11:44 amChicago O'Hare Intl
19h 26m
2 stops
OTP3:10 pmBucharest Otopeni Intl
Jan 16
OTP8:00 amBucharest Otopeni Intl
17h 42m
2 stops
ORD5:42 pmChicago O'Hare Intl
$581
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 noviembre 13, 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

vie. 2/13

8:20 pm-2:10 pm

1 stop33h 50m

Bucharest Otopeni Intl

vie. 2/20

9:50 pm-6:25 pm

1 stop28h 35m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 12/2

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

jue. 12/11

2:45 pm-8:05 pm

1 stop13h 20m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 4/11

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

sáb. 4/25

1:50 pm-7:55 pm

1 stop14h 05m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 3/16

12:50 pm-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

lun. 3/30

9:45 pm-9:40 am

1 stop19h 55m

$538

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 3/16

12:50 pm-6:35 pm

2 stops22h 45m

Bucharest Otopeni Intl

lun. 3/30

1:50 pm-7:55 pm

1 stop14h 05m

$540

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 11/24

12:50 pm-6:35 pm

2 stops21h 45m

Bucharest Otopeni Intl

lun. 12/8

2:50 pm-8:05 pm

1 stop13h 15m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 2/10

7:15 am-3:45 pm

2 stops24h 30m

Bucharest Otopeni Intl

mar. 2/24

5:55 am-1:10 pm

1 stop15h 15m

$545

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 5/12

11:25 am-2:35 pm

1 stop19h 10m

Bucharest Otopeni Intl

mar. 5/19

9:45 pm-9:40 am

1 stop19h 55m

$547

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 1/17

6:50 pm-12:25 am

1 stop21h 35m

Bucharest Otopeni Intl

sáb. 1/31

5:55 am-7:30 pm

2 stops21h 35m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar. 3/31

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

mar. 4/7

6:35 am-1:20 pm

1 stop14h 45m

$549

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 $538.

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

Our data shows that Friday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $808. When flying out on a Saturday, 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 $931.

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.

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 $738 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.

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

As of November 2025, prices for Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flights are approximately 45% more expensive 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

Direct flights

None
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
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

  • 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
Scandinavian AirlinesPriceFrom $385Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,044 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
868 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.6
1,135 reviews
Search LOT flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
SWISSPriceFrom $587Free CancellationRating
7.5
1,784 reviews
Search SWISS flights
LufthansaPriceFrom $588Free CancellationRating
6.8
7,570 reviews
Search Lufthansa flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Air FrancePriceFrom $618Free CancellationRating
7.4
1,486 reviews
Search Air France flights
Air SerbiaPriceFrom $655Free CancellationRating
6.2
207 reviews
Search Air Serbia flights

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