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Cheap flights from Chicago to Bucharest from $223

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 4/28. 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.
LOT Logo
9:55 pm - 11:15 pm
ORD
-
OTP
17h 20m1 stop
LOT Logo
6:25 pm - 8:00 pm
OTP
-
ORD
33h 35m1 stop
$530LOT
Mon, Feb 2 - Tue, Feb 17
British Airways Logo
5:00 pm - 12:45 am
ORD
-
OTP
23h 45m1 stop
British Airways Logo
8:05 pm - 6:15 pm
OTP
-
ORD
30h 10m1 stop
$537British Airways
Sun, Mar 29 - Sat, Apr 4
Multiple Airlines Logo
7:15 am - 3:50 pm
ORD
-
OTP
24h 35m2 stops
Multiple Airlines Logo
1:05 pm - 6:25 pm
OTP
-
ORD
13h 20m1 stop
$544Multiple Airlines
Mon, Feb 2 - Tue, Feb 17
Turkish Airlines Logo
12:50 pm - 2:10 pm
ORD
-
OTP
18h 20m1 stop
Turkish Airlines Logo
3:30 pm - 11:05 am
OTP
-
ORD
26h 35m1 stop
$545Turkish Airlines
Thu, Mar 12 - Sun, Mar 22
LOT Logo
9:55 pm - 5:40 pm
ORD
-
OTP
11h 45m1 stop
LOT Logo
5:35 am - 8:00 pm
OTP
-
ORD
22h 25m1 stop
$546LOT
Mon, Feb 9 - Tue, Feb 24
Air Canada Logo
3:55 pm - 3:50 pm
ORD
-
OTP
15h 55m2 stops
Air Canada Logo
5:55 am - 2:55 pm
OTP
-
ORD
17h 00m2 stops
$547Air Canada
Mon, Jan 19 - Tue, Feb 3
Multiple Airlines Logo
12:50 pm - 2:05 pm
ORD
-
OTP
17h 15m2 stops
Multiple Airlines Logo
5:55 am - 1:10 pm
OTP
-
ORD
15h 15m1 stop
$548Multiple Airlines
Mon, Jan 19 - Tue, Feb 3
Air Serbia Logo
5:30 pm - 2:20 pm
ORD
-
OTP
13h 50m1 stop
Air Serbia Logo
4:30 am - 9:15 pm
OTP
-
ORD
24h 45m1 stop
$551Air Serbia
Sat, Mar 28 - Sat, Apr 4
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
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
$585KLM
Sat, Jan 24 - Sat, Feb 7

Austrian Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Austrian Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
Austrian Airlines
Dec 28
ORD3:45 pmChicago O'Hare Intl
18h 40m
2 stops
OTP6:25 pmBucharest Otopeni Intl
Jan 14
OTP1:20 pmBucharest Otopeni Intl
31h 25m
2 stops
ORD12:45 pmChicago O'Hare Intl
$596
Find similar
Austrian Airlines
Dec 27
ORD5:50 pmChicago O'Hare Intl
22h 00m
2 stops
OTP11:50 pmBucharest Otopeni Intl
Jan 4
OTP7:10 pmBucharest Otopeni Intl
47h 35m
2 stops
ORD10:45 amChicago O'Hare Intl
$1,371
Find similar
Austrian Airlines
Dec 29
ORD1:24 pmChicago O'Hare Intl
15h 06m
2 stops
OTP12:30 pmBucharest Otopeni Intl
Jan 8
OTP7:10 pmBucharest Otopeni Intl
25h 35m
2 stops
ORD12:45 pmChicago O'Hare Intl
$1,462
Find similar

SWISS flights from Chicago to Bucharest Otopeni Intl Airport

Our best SWISS deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
SWISS
Dec 28
ORD9:05 pmChicago O'Hare Intl
19h 25m
2 stops
OTP12:30 amBucharest Otopeni Intl
Jan 14
OTP6:30 amBucharest Otopeni Intl
17h 50m
1 stop
ORD4:20 pmChicago O'Hare Intl
$545
Find similar
SWISS
Jan 5
ORD9:05 pmChicago O'Hare Intl
19h 25m
2 stops
OTP12:30 amBucharest Otopeni Intl
Jan 26
OTP6:30 amBucharest Otopeni Intl
14h 15m
1 stop
ORD12:45 pmChicago O'Hare Intl
$550
Find similar
SWISS
Dec 28
ORD4:10 pmChicago O'Hare Intl
24h 20m
1 stop
OTP12:30 amBucharest Otopeni Intl
Jan 14
OTP6:30 amBucharest Otopeni Intl
17h 50m
1 stop
ORD4:20 pmChicago O'Hare Intl
$565
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 26, 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

Mon 2/2

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Tue 2/17

6:25 pm-8:00 pm

1 stop33h 35m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/29

5:00 pm-12:45 am

1 stop23h 45m

Bucharest Otopeni Intl

Sat 4/4

8:05 pm-6:15 pm

1 stop30h 10m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/2

7:15 am-3:50 pm

2 stops24h 35m

Bucharest Otopeni Intl

Tue 2/17

1:05 pm-6:25 pm

1 stop13h 20m

$544

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/12

12:50 pm-2:10 pm

1 stop18h 20m

Bucharest Otopeni Intl

Sun 3/22

3:30 pm-11:05 am

1 stop26h 35m

$545

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/9

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

Tue 2/24

5:35 am-8:00 pm

1 stop22h 25m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/19

3:55 pm-3:50 pm

2 stops15h 55m

Bucharest Otopeni Intl

Tue 2/3

5:55 am-2:55 pm

2 stops17h 00m

$547

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 1/19

12:50 pm-2:05 pm

2 stops17h 15m

Bucharest Otopeni Intl

Tue 2/3

5:55 am-1:10 pm

1 stop15h 15m

$548

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 3/28

5:30 pm-2:20 pm

1 stop13h 50m

Bucharest Otopeni Intl

Sat 4/4

4:30 am-9:15 pm

1 stop24h 45m

$551

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

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

$585

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 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 $723 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

$218

Fastest flight time

9h 50m

Direct flights

Mon and Fri
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $218. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $811.
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. The only airline offering direct flights is HiSky.
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
1,627 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.3
4,117 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
884 reviews
Search Austrian Airlines flights
LOTPriceFrom $562Free CancellationRating
7.5
1,152 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,434 reviews
Search KLM flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,515 reviews
Search Air France flights
LufthansaPriceFrom $569Free CancellationRating
6.8
7,655 reviews
Search Lufthansa flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,018 reviews
Search Delta flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,616 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,116 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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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.

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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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