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Cheap flights from Chicago to Bucharest from $277

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 1/19. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:50 pm - 6:35 pm
ORD
-
OTP
12h 45m1 stop
Lufthansa Logo
5:55 am - 11:10 am
OTP
-
ORD
13h 15m1 stop
$520Lufthansa
Sat, Jan 24 - Sat, Jan 31
Turkish Airlines Logo
7:50 pm - 8:25 pm
ORD
-
OTP
16h 35m1 stop
Turkish Airlines Logo
9:30 am - 6:15 pm
OTP
-
ORD
16h 45m1 stop
$522Turkish Airlines
Wed, Apr 1 - Wed, May 6
SWISS Logo
5:50 pm - 12:25 am
ORD
-
OTP
22h 35m2 stops
SWISS Logo
6:30 am - 4:20 pm
OTP
-
ORD
17h 50m1 stop
$527SWISS
Sat, Jan 24 - Sat, Jan 31
SWISS Logo
9:05 pm - 12:25 am
ORD
-
OTP
19h 20m2 stops
SWISS Logo
4:40 pm - 12:45 pm
OTP
-
ORD
28h 05m1 stop
$528SWISS
Wed, Jan 14 - Thu, Jan 22
Turkish Airlines Logo
11:50 am - 2:10 pm
ORD
-
OTP
18h 20m1 stop
Turkish Airlines Logo
10:10 am - 7:25 pm
OTP
-
ORD
16h 15m1 stop
$529Turkish Airlines
Sat, Feb 28 - Wed, Mar 18
SWISS Logo
6:50 pm - 3:45 pm
ORD
-
OTP
12h 55m1 stop
SWISS Logo
6:30 am - 4:20 pm
OTP
-
ORD
17h 50m1 stop
$530SWISS
Tue, Jan 13 - Fri, Jan 23
Lufthansa Logo
4:05 pm - 2:00 pm
ORD
-
OTP
13h 55m1 stop
Lufthansa Logo
1:05 pm - 6:10 pm
OTP
-
ORD
13h 05m1 stop
$534Lufthansa
Wed, Jan 14 - Wed, Feb 4
Delta Logo
1:26 pm - 1:00 pm
MDW
-
OTP
15h 34m2 stops
Delta Logo
6:00 am - 5:29 pm
OTP
-
MDW
19h 29m2 stops
$575Delta
Mon, Jan 19 - Tue, Feb 3
Delta Logo
10:46 am - 12:05 pm
MDW
-
OTP
17h 19m2 stops
Delta Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m2 stops
$578Delta
Sat, Jan 24 - Sat, Feb 7
KLM Logo
1:26 pm - 1:00 pm
MDW
-
OTP
15h 34m2 stops
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m2 stops
$584KLM
Sat, Jan 24 - Sat, Feb 7

Delta flights from Chicago to Bucharest Otopeni Intl Airport

Our best Delta deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Delta
Jan 13
ORD9:35 amChicago O'Hare Intl
18h 30m
2 stops
OTP12:05 pmBucharest Otopeni Intl
Jan 23
OTP6:00 amBucharest Otopeni Intl
16h 20m
1 stop
ORD2:20 pmChicago O'Hare Intl
$568
Find similar
Delta
Jan 19
MDW1:26 pmChicago Midway
15h 34m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Feb 3
OTP6:00 amBucharest Otopeni Intl
19h 29m
2 stops
MDW5:29 pmChicago Midway
$575
Find similar
Delta
Jan 24
MDW10:46 amChicago Midway
17h 19m
2 stops
OTP12:05 pmBucharest Otopeni Intl
Feb 7
OTP6:00 amBucharest Otopeni Intl
18h 16m
2 stops
MDW4:16 pmChicago Midway
$578
Find similar

Lufthansa flights from Chicago to Bucharest Otopeni Intl Airport

Our best Lufthansa deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Lufthansa
Jan 24
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jan 31
OTP5:55 amBucharest Otopeni Intl
13h 15m
1 stop
ORD11:10 amChicago O'Hare Intl
$520
Find similar
Lufthansa
Jan 12
ORD4:05 pmChicago O'Hare Intl
14h 00m
1 stop
OTP2:05 pmBucharest Otopeni Intl
Jan 26
OTP5:55 amBucharest Otopeni Intl
15h 30m
1 stop
ORD1:25 pmChicago O'Hare Intl
$533
Find similar
Lufthansa
Jan 15
ORD9:50 pmChicago O'Hare Intl
12h 45m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jan 19
OTP1:05 pmBucharest Otopeni Intl
13h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
$537
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 December 11, 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

Sat 1/24

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Sat 1/31

5:55 am-11:10 am

1 stop13h 15m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 4/1

7:50 pm-8:25 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 5/6

9:30 am-6:15 pm

1 stop16h 45m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/24

5:50 pm-12:25 am

2 stops22h 35m

Bucharest Otopeni Intl

Sat 1/31

6:30 am-4:20 pm

1 stop17h 50m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

9:05 pm-12:25 am

2 stops19h 20m

Bucharest Otopeni Intl

Thu 1/22

4:40 pm-12:45 pm

1 stop28h 05m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/28

11:50 am-2:10 pm

1 stop18h 20m

Bucharest Otopeni Intl

Wed 3/18

10:10 am-7:25 pm

1 stop16h 15m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 1/13

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

Fri 1/23

6:30 am-4:20 pm

1 stop17h 50m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 1/14

4:05 pm-2:00 pm

1 stop13h 55m

Bucharest Otopeni Intl

Wed 2/4

1:05 pm-6:10 pm

1 stop13h 05m

$534

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 1/19

1:26 pm-1:00 pm

2 stops15h 34m

Bucharest Otopeni Intl

Tue 2/3

6:00 am-5:29 pm

2 stops19h 29m

$575

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 1/24

10:46 am-12:05 pm

2 stops17h 19m

Bucharest Otopeni Intl

Sat 2/7

6:00 am-4:16 pm

2 stops18h 16m

$578

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 1/24

1:26 pm-1:00 pm

2 stops15h 34m

Bucharest Otopeni Intl

Sat 2/7

6:00 am-4:16 pm

2 stops18h 16m

$584

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 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 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 November instead. Flights to Bucharest Otopeni Intl Airport in November, while not as cheap as those in January, still average around $560.

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. 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.

What is the cheapest Chicago to Bucharest Otopeni Intl flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago - Bucharest Otopeni Intl flight prices

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 $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 for as low as $634 on momondo.

What cabin class options are available on Chicago to Bucharest Otopeni Intl flights?

There is only 1 cabin class available to choose from on Chicago to Bucharest Otopeni Intl 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 to Bucharest Otopeni Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Chicago to Bucharest Otopeni Intl Airport.

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

$827

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $827
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 9h 50m
Direct flights go from Chicago to Bucharest Otopeni Intl Airport on Monday and Friday. There are no airlines offering direct flights.
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 9h 50m 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 plane model from Chicago to Bucharest Otopeni Intl Airport?

  • 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
1,605 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,090 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
879 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.6
1,146 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,432 reviews
Search KLM flights
LufthansaPriceFrom $570Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
SWISSPriceFrom $597Free CancellationRating
7.5
1,810 reviews
Search SWISS flights
Air FrancePriceFrom $618Free CancellationRating
7.4
1,504 reviews
Search Air France 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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Why should I use momondo to find a flight deal from Chicago to Bucharest?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Bucharest for you.

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

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

How can momondo help me find flights from Chicago to Bucharest?

momondo provides multiple filters to help you find the best flight to Bucharest from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

Price alerts on flights to Bucharest from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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