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Cheap flights from Chicago O'Hare Intl Airport to Bucharest from $316

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 8/19. 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.
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$679Air Serbia
sab, ago 29 - lun, set 14
Air Serbia Logo
4:40 pm - 3:20 pm
ORD
-
OTP
14h 40m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$680Air Serbia
lun, ago 17 - lun, set 14
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$681Air Serbia
sab, set 5 - dom, set 20
Air Serbia Logo
4:40 pm - 3:05 am
ORD
-
OTP
26h 25m
1 stop
Air Serbia Logo
4:05 pm - 2:30 pm
OTP
-
ORD
30h 25m
1 stop
$705Air Serbia
mer, ago 12 - mar, set 1
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m
1 stop
Lufthansa Logo
6:05 am - 1:10 pm
OTP
-
ORD
15h 05m
1 stop
$706Lufthansa
lun, nov 2 - mer, nov 11
Multiple Airlines Logo
8:45 am - 3:20 pm
ORD
-
OTP
22h 35m
2 stops
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$707Multiple Airlines
lun, ago 10 - lun, ago 24
Multiple Airlines Logo
2:00 pm - 3:50 pm
ORD
-
OTP
17h 50m
2 stops
Multiple Airlines Logo
2:50 pm - 8:05 pm
OTP
-
ORD
13h 15m
1 stop
$713Multiple Airlines
mar, nov 3 - mar, nov 17
Multiple Airlines Logo
12:50 pm - 6:40 pm
ORD
-
OTP
21h 50m
2 stops
Multiple Airlines Logo
6:05 am - 8:05 pm
OTP
-
ORD
22h 00m
1 stop
$714Multiple Airlines
lun, nov 2 - mer, nov 11
Multiple Airlines Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m
1 stop
Multiple Airlines Logo
6:30 am - 8:10 pm
OTP
-
ORD
21h 40m
2 stops
$716Multiple Airlines
mar, nov 3 - mar, nov 17
SWISS Logo
6:50 pm - 3:50 pm
ORD
-
OTP
13h 00m
1 stop
SWISS Logo
4:40 pm - 4:20 pm
OTP
-
ORD
31h 40m
1 stop
$717SWISS
mar, nov 3 - mar, nov 17

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

Our best Air Serbia deals on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flight tickets
Air Serbia
Aug 29
ORD11:20 pmChicago O'Hare Intl
19h 45m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 14
OTP4:30 amBucharest Otopeni Intl
18h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$679
Air Serbia
Aug 17
ORD4:40 pmChicago O'Hare Intl
14h 40m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Sep 14
OTP4:30 amBucharest Otopeni Intl
18h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$680
Air Serbia
Sep 5
ORD11:20 pmChicago O'Hare Intl
19h 45m
1 stop
OTP3:05 amBucharest Otopeni Intl
Sep 20
OTP4:05 pmBucharest Otopeni Intl
30h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
$681

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
Nov 2
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 11
OTP6:05 amBucharest Otopeni Intl
15h 05m
1 stop
ORD1:10 pmChicago O'Hare Intl
$706
Lufthansa
Aug 5
ORD9:40 pmChicago O'Hare Intl
12h 55m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Aug 19
OTP7:20 pmBucharest Otopeni Intl
25h 15m
1 stop
ORD12:35 pmChicago O'Hare Intl
$730
Lufthansa
Aug 6
ORD9:40 pmChicago O'Hare Intl
19h 30m
1 stop
OTP1:10 amBucharest Otopeni Intl
Aug 20
OTP6:15 amBucharest Otopeni Intl
14h 20m
1 stop
ORD12:35 pmChicago O'Hare Intl
$748

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 maggio 7, 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

sab 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

lun 9/14

4:30 am-2:30 pm

1 stop18h 00m

$679

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun 8/17

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

lun 9/14

4:30 am-2:30 pm

1 stop18h 00m

$680

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sab 9/5

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

dom 9/20

4:05 pm-2:30 pm

1 stop30h 25m

$681

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mer 8/12

4:40 pm-3:05 am

1 stop26h 25m

Bucharest Otopeni Intl

mar 9/1

4:05 pm-2:30 pm

1 stop30h 25m

$705
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun 11/2

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

mer 11/11

6:05 am-1:10 pm

1 stop15h 05m

$706

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun 8/10

8:45 am-3:20 pm

2 stops22h 35m

Bucharest Otopeni Intl

lun 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$707

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar 11/3

2:00 pm-3:50 pm

2 stops17h 50m

Bucharest Otopeni Intl

mar 11/17

2:50 pm-8:05 pm

1 stop13h 15m

$713

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun 11/2

12:50 pm-6:40 pm

2 stops21h 50m

Bucharest Otopeni Intl

mer 11/11

6:05 am-8:05 pm

1 stop22h 00m

$714

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar 11/3

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

mar 11/17

6:30 am-8:10 pm

2 stops21h 40m

$716

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mar 11/3

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

mar 11/17

4:40 pm-4:20 pm

1 stop31h 40m

$717

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 Sunday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $843. 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 $937.

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 $722 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.

Can stopping save me money on Chicago O'Hare Intl Airport to Bucharest Otopeni Intl Airport flights?

You could potentially save up to 2% 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

$442

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 $442. 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 $824.
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

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 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
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,693 reviews
Search United Airlines flights
British AirwaysPriceFrom $440Free CancellationRating
6.7
7,952 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $443Free CancellationRating
7.4
1,770 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.4
4,355 reviews
Search Turkish Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,981 reviews
Search Lufthansa flights
KLMPriceFrom $539Free CancellationRating
7.8
1,511 reviews
Search KLM flights
Air SerbiaPriceFrom $566Free CancellationRating
6.2
222 reviews
Search Air Serbia flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,585 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,458 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,193 reviews
Search LOT flights

Traveling to a place near Bucharest?

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