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Cheap flights from Chicago to Bucharest from $251

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 to Bucharest departing on 9/9. 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 to Bucharest (CHI-OTP)

Cheap round-trip flights

Turkish Airlines Logo
11:50 am - 8:30 pmORD-OTP
24h 40m1 stop
Turkish Airlines Logo
3:30 pm - 10:05 amOTP-ORD
26h 35m1 stop
$550Turkish Airlines
Find Deal
lun., dic. 29 - mié., feb. 25
Turkish Airlines Logo
11:45 pm - 8:10 amORD-OTP
24h 25m1 stop
Turkish Airlines Logo
9:45 pm - 9:40 amOTP-ORD
19h 55m1 stop
$554Turkish Airlines
Find Deal
lun., sep. 8 - mié., sep. 24
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
LOT Logo
6:25 pm - 8:00 pmOTP-ORD
33h 35m1 stop
$556LOT
Find Deal
lun., nov. 3 - lun., nov. 17
LOT Logo
9:40 pm - 11:10 pmORD-OTP
17h 30m1 stop
LOT Logo
5:35 am - 9:00 pmOTP-ORD
22h 25m1 stop
$567LOT
Find Deal
mié., oct. 22 - sáb., nov. 1
British Airways Logo
9:45 pm - 11:25 pmORD-OTP
17h 40m1 stop
British Airways Logo
4:45 pm - 1:50 pmOTP-ORD
29h 05m1 stop
$577British Airways
Find Deal
vie., nov. 14 - vie., nov. 21
British Airways Logo
5:10 pm - 3:05 pmORD-OTP
13h 55m1 stop
British Airways Logo
4:40 pm - 6:45 pmOTP-ORD
34h 05m1 stop
$582British Airways
Find Deal
sáb., nov. 8 - mar., nov. 18
United Airlines Logo
6:00 pm - 6:35 pmORD-OTP
16h 35m1 stop
United Airlines Logo
5:50 am - 11:10 amOTP-ORD
13h 20m1 stop
$584United Airlines
Find Deal
lun., nov. 3 - jue., nov. 20
United Airlines Logo
12:50 pm - 2:00 pmORD-OTP
17h 10m2 stops
United Airlines Logo
5:50 am - 3:20 pmOTP-ORD
17h 30m1 stop
$588United Airlines
Find Deal
mié., nov. 5 - jue., nov. 20
Lufthansa Logo
2:40 pm - 11:50 pmORD-OTP
25h 10m2 stops
Lufthansa Logo
5:55 am - 8:05 pmOTP-ORD
22h 10m1 stop
$618Lufthansa
Find Deal
sáb., nov. 8 - lun., nov. 17
Lufthansa Logo
10:35 pm - 1:05 amORD-OTP
18h 30m2 stops
Lufthansa Logo
7:20 pm - 6:25 pmOTP-ORD
31h 05m1 stop
$633Lufthansa
Find Deal
jue., dic. 25 - jue., ene. 8

Turkish Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Turkish Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Turkish Airlines
Dec 29
ORD11:50 amChicago O'Hare Intl
24h 40m
1 stop
OTP8:30 pmBucharest Otopeni Intl
Feb 25
OTP3:30 pmBucharest Otopeni Intl
26h 35m
1 stop
ORD10:05 amChicago O'Hare Intl
$550
Find similar
Turkish Airlines
Sep 8
ORD11:45 pmChicago O'Hare Intl
24h 25m
1 stop
OTP8:10 amBucharest Otopeni Intl
Sep 24
OTP9:45 pmBucharest Otopeni Intl
19h 55m
1 stop
ORD9:40 amChicago O'Hare Intl
$554
Find similar
Turkish Airlines
Sep 19
ORD11:25 amChicago O'Hare Intl
25h 00m
1 stop
OTP8:25 pmBucharest Otopeni Intl
Sep 29
OTP9:35 amBucharest Otopeni Intl
20h 25m
1 stop
ORD10:00 pmChicago O'Hare Intl
$555
Find similar

LOT flights from Chicago to Bucharest Otopeni Intl Airport

Our best LOT deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
LOT
Nov 3
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
Nov 17
OTP6:25 pmBucharest Otopeni Intl
33h 35m
1 stop
ORD8:00 pmChicago O'Hare Intl
$556
Find similar
LOT
Oct 22
ORD9:40 pmChicago O'Hare Intl
17h 30m
1 stop
OTP11:10 pmBucharest Otopeni Intl
Nov 1
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$567
Find similar
LOT
Nov 5
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Nov 18
OTP2:35 pmBucharest Otopeni Intl
13h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
$571
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 agosto 18, 2025.
Use the filters below to find and compare flights from Chicago 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

lun. 12/29

11:50 am-8:30 pm

1 stop24h 40m

Bucharest Otopeni Intl

mié. 2/25

3:30 pm-10:05 am

1 stop26h 35m

$550

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 9/8

11:45 pm-8:10 am

1 stop24h 25m

Bucharest Otopeni Intl

mié. 9/24

9:45 pm-9:40 am

1 stop19h 55m

$554

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 11/3

9:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

lun. 11/17

6:25 pm-8:00 pm

1 stop33h 35m

$556

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 10/22

9:40 pm-11:10 pm

1 stop17h 30m

Bucharest Otopeni Intl

sáb. 11/1

5:35 am-9:00 pm

1 stop22h 25m

$567

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 11/14

9:45 pm-11:25 pm

1 stop17h 40m

Bucharest Otopeni Intl

vie. 11/21

4:45 pm-1:50 pm

1 stop29h 05m

$577

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 11/8

5:10 pm-3:05 pm

1 stop13h 55m

Bucharest Otopeni Intl

mar. 11/18

4:40 pm-6:45 pm

1 stop34h 05m

$582

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 11/3

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

jue. 11/20

5:50 am-11:10 am

1 stop13h 20m

$584

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 11/5

12:50 pm-2:00 pm

2 stops17h 10m

Bucharest Otopeni Intl

jue. 11/20

5:50 am-3:20 pm

1 stop17h 30m

$588

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 11/8

2:40 pm-11:50 pm

2 stops25h 10m

Bucharest Otopeni Intl

lun. 11/17

5:55 am-8:05 pm

1 stop22h 10m

$618

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 12/25

10:35 pm-1:05 am

2 stops18h 30m

Bucharest Otopeni Intl

jue. 1/8

7:20 pm-6:25 pm

1 stop31h 05m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago 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 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 January, then book flights to Bucharest Otopeni Intl Airport from Chicago during October instead. Flights to Bucharest Otopeni Intl Airport in October, while not as cheap as those in January, still average around $577.

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 $718. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Chicago 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 to Bucharest Otopeni Intl Airport during this time can be as low as $607. At noon is when there is more demand to fly to Bucharest Otopeni Intl Airport, so prices are often more expensive at around $905 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 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 for as low as $634 on momondo.

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

As of August 2025, prices for Chicago to Bucharest Otopeni Intl Airport flights are approximately 74% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Bucharest Otopeni Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago 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 to Bucharest Otopeni Intl Airport (CHI to OTP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Bucharest Otopeni Intl Airport

Best Price Found

$251

Fastest flight time

11h 45m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $251. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $550.
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 11h 45m
There are no direct flights from Chicago to Bucharest Otopeni Intl Airport. Popular non-direct routes for this connection are Chicago Midway Airport - Bucharest Otopeni Intl Airport and Chicago O'Hare Intl Airport - Bucharest Otopeni Intl Airport.
Search flight deals

  • How far is Chicago to Bucharest Otopeni Intl by plane?

    The straight-line distance from Chicago to Bucharest Otopeni Intl is 5194.0 mi. Typically, this will take 11h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Bucharest Otopeni Intl Airport?

    Prices for flights from Chicago to Bucharest Otopeni Intl Airport refresh daily.

  • How many operators does momondo search for flights from Chicago to Bucharest Otopeni Intl Airport?

  • How old do you have to be to fly from Chicago 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 to Bucharest Otopeni Intl Airport.

  • What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

    The travel and health documents required for your trip to Bucharest Otopeni Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bucharest Otopeni Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Bucharest Otopeni Intl Airport?

Best airlines flying from Chicago to Bucharest Otopeni Intl Airport

Compare and see reviews for airlines that fly from Chicago to Bucharest Otopeni Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $385Free CancellationRating
7.4
1,470 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
3,945 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
829 reviews
Search Austrian Airlines flights
LOTPriceFrom $536Free CancellationRating
7.6
1,110 reviews
Search LOT flights
British AirwaysPriceFrom $544Free CancellationRating
6.6
7,277 reviews
Search British Airways flights
LufthansaPriceFrom $545Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights
Air FrancePriceFrom $580Free CancellationRating
7.4
1,468 reviews
Search Air France flights
KLMPriceFrom $582Free CancellationRating
7.8
1,385 reviews
Search KLM flights
SWISSPriceFrom $587Free CancellationRating
7.6
1,699 reviews
Search SWISS flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
Otopeni

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