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Cheap flights from Chicago to Bucharest from $246

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 1/9. 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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0 bags

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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
6:50 pm - 3:50 pm
ORD
-
OTP
13h 00m1 stop
SWISS Logo
6:30 am - 1:45 pm
OTP
-
ORD
14h 15m1 stop
$520SWISS
Wed, Mar 4 - Wed, Mar 18
SWISS Logo
5:10 pm - 12:30 am
ORD
-
OTP
24h 20m1 stop
SWISS Logo
4:40 pm - 1:45 pm
OTP
-
ORD
28h 05m1 stop
$521SWISS
Mon, Mar 9 - Mon, Mar 16
LOT Logo
9:55 pm - 11:15 pm
ORD
-
OTP
17h 20m1 stop
LOT Logo
5:35 am - 7:55 pm
OTP
-
ORD
22h 20m2 stops
$522LOT
Thu, Jan 15 - Mon, Feb 16
Multiple Airlines Logo
4:38 pm - 3:50 pm
ORD
-
OTP
15h 12m2 stops
Multiple Airlines Logo
6:55 am - 10:42 pm
OTP
-
ORD
23h 47m2 stops
$524Multiple Airlines
Fri, Jan 23 - Fri, Feb 6
SWISS Logo
6:10 pm - 3:45 pm
ORD
-
OTP
37h 35m2 stops
SWISS Logo
6:30 am - 4:20 pm
OTP
-
ORD
17h 50m1 stop
$525SWISS
Mon, Dec 29 - Sat, Feb 28
LOT Logo
9:55 pm - 1:50 pm
ORD
-
OTP
31h 55m1 stop
LOT Logo
8:20 am - 8:00 pm
OTP
-
ORD
19h 40m1 stop
$526LOT
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
2:00 pm - 1:55 pm
ORD
-
OTP
15h 55m2 stops
Multiple Airlines Logo
5:55 am - 8:10 pm
OTP
-
ORD
21h 15m2 stops
$527Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Lufthansa Logo
6:00 pm - 6:35 pm
ORD
-
OTP
16h 35m1 stop
Lufthansa Logo
6:05 am - 1:25 pm
OTP
-
ORD
15h 20m1 stop
$528Lufthansa
Mon, Dec 29 - Wed, Feb 25
United Airlines Logo
5:55 pm - 6:35 pm
ORD
-
OTP
16h 40m1 stop
United Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m1 stop
$530United Airlines
Sun, Mar 29 - Wed, Apr 15
KLM Logo
1:28 pm - 1:00 pm
MDW
-
OTP
15h 32m2 stops
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m2 stops
$583KLM
Sat, Jan 17 - Sat, Jan 24

LOT flights from Chicago to Bucharest Otopeni Intl Airport

Our best LOT deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
LOT
Jan 15
ORD9:55 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:15 pmBucharest Otopeni Intl
Feb 16
OTP5:35 amBucharest Otopeni Intl
22h 20m
2 stops
ORD7:55 pmChicago O'Hare Intl
$522
Find similar
LOT
Feb 11
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
Feb 15
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
$526
Find similar
LOT
Mar 3
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Mar 15
OTP6:25 pmBucharest Otopeni Intl
33h 30m
2 stops
ORD8:55 pmChicago O'Hare Intl
$532
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
Dec 29
ORD6:00 pmChicago O'Hare Intl
16h 35m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Feb 25
OTP6:05 amBucharest Otopeni Intl
15h 20m
1 stop
ORD1:25 pmChicago O'Hare Intl
$528
Find similar
Lufthansa
Dec 29
ORD10:35 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:55 pmBucharest Otopeni Intl
Feb 28
OTP6:05 amBucharest Otopeni Intl
20h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
$633
Find similar
Lufthansa
Jan 4
ORD6:10 pmChicago O'Hare Intl
16h 15m
2 stops
OTP6:25 pmBucharest Otopeni Intl
Jan 18
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
$682
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 4, 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

Wed 3/4

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Wed 3/18

6:30 am-1:45 pm

1 stop14h 15m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/9

5:10 pm-12:30 am

1 stop24h 20m

Bucharest Otopeni Intl

Mon 3/16

4:40 pm-1:45 pm

1 stop28h 05m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 1/15

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Mon 2/16

5:35 am-7:55 pm

2 stops22h 20m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/23

4:38 pm-3:50 pm

2 stops15h 12m

Bucharest Otopeni Intl

Fri 2/6

6:55 am-10:42 pm

2 stops23h 47m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/29

6:10 pm-3:45 pm

2 stops37h 35m

Bucharest Otopeni Intl

Sat 2/28

6:30 am-4:20 pm

1 stop17h 50m

$525

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/11

9:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

Sun 2/15

8:20 am-8:00 pm

1 stop19h 40m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/3

2:00 pm-1:55 pm

2 stops15h 55m

Bucharest Otopeni Intl

Tue 3/17

5:55 am-8:10 pm

2 stops21h 15m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/29

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 2/25

6:05 am-1:25 pm

1 stop15h 20m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/29

5:55 pm-6:35 pm

1 stop16h 40m

Bucharest Otopeni Intl

Wed 4/15

6:05 am-11:00 am

1 stop12h 55m

$530

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 1/17

1:28 pm-1:00 pm

2 stops15h 32m

Bucharest Otopeni Intl

Sat 1/24

6:00 am-4:16 pm

2 stops18h 16m

$583

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 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 November instead. Flights to Bucharest Otopeni Intl Airport in November, while not as cheap as those in January, still average around $565.

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 $854. 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. 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 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 for as low as $634 on momondo.

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

$854

Fastest flight time

9h 50m

Direct flights

None
The best flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $854
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 9h 50m
There are no direct flights from Chicago to Bucharest Otopeni Intl Airport. There are no popular flight routes from Chicago to 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 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
1,592 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
875 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.5
1,143 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,430 reviews
Search KLM flights
LufthansaPriceFrom $570Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SWISSPriceFrom $597Free CancellationRating
7.5
1,804 reviews
Search SWISS flights
Air FrancePriceFrom $618Free CancellationRating
7.4
1,502 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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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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