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Cheap flights from Chicago to Bucharest from $224

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 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
SWISS Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$493SWISS
Wed, Aug 19 - Tue, Aug 25
British Airways Logo
9:15 pm - 2:40 pm
ORD
-
OTP
33h 25m
1 stop
British Airways Logo
8:15 am - 3:55 pm
OTP
-
ORD
15h 40m
1 stop
$508British Airways
Wed, Aug 12 - Wed, Aug 26
Lufthansa Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Lufthansa Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
$510Lufthansa
Wed, Aug 12 - Wed, Aug 26
Multiple Airlines Logo
2:15 pm - 12:00 pm
ORD
-
OTP
13h 45m
2 stops
Multiple Airlines Logo
5:15 pm - 7:55 pm
OTP
-
ORD
34h 40m
1 stop
$511Multiple Airlines
Wed, Aug 19 - Tue, Aug 25
United Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
United Airlines Logo
1:45 pm - 10:16 am
OTP
-
ORD
28h 31m
2 stops
$515United Airlines
Wed, Aug 12 - Wed, Aug 26
Turkish Airlines Logo
8:10 pm - 8:10 am
ORD
-
OTP
28h 00m
1 stop
Turkish Airlines Logo
9:30 am - 9:40 am
OTP
-
ORD
32h 10m
1 stop
$516Turkish Airlines
Tue, Apr 7 - Fri, May 29
Turkish Airlines Logo
11:25 am - 8:10 am
ORD
-
OTP
12h 45m
1 stop
Turkish Airlines Logo
9:35 pm - 9:40 am
OTP
-
ORD
20h 05m
1 stop
$518Turkish Airlines
Sun, May 3 - Tue, May 12
United Airlines Logo
2:25 pm - 6:35 pm
ORD
-
OTP
20h 10m
2 stops
United Airlines Logo
1:45 pm - 8:05 pm
OTP
-
ORD
38h 20m
2 stops
$519United Airlines
Wed, Aug 12 - Wed, Aug 26
United Airlines Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
United Airlines Logo
6:05 am - 11:15 pm
OTP
-
ORD
25h 10m
2 stops
$521United Airlines
Wed, Aug 12 - Wed, Aug 26
Turkish Airlines Logo
12:50 pm - 8:30 pm
ORD
-
OTP
24h 40m
1 stop
Turkish Airlines Logo
3:55 pm - 6:15 pm
OTP
-
ORD
34h 20m
1 stop
$525Turkish Airlines
Tue, Mar 17 - Tue, Mar 31

SWISS flights from Chicago to Bucharest Otopeni Intl Airport

Our best SWISS deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
SWISS
Aug 19
ORD7:05 pmChicago O'Hare Intl
12h 15m
1 stop
OTP3:20 pmBucharest Otopeni Intl
Aug 25
OTP4:10 pmBucharest Otopeni Intl
28h 25m
1 stop
ORD12:35 pmChicago O'Hare Intl
$493
SWISS
Mar 6
ORD6:35 pmChicago O'Hare Intl
21h 55m
2 stops
OTP12:30 amBucharest Otopeni Intl
Mar 13
OTP6:30 amBucharest Otopeni Intl
17h 50m
1 stop
ORD5:20 pmChicago O'Hare Intl
$6,890

LOT flights from Chicago to Bucharest Otopeni Intl Airport

Our best LOT deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
LOT
Apr 8
ORD9:50 pmChicago O'Hare Intl
20h 00m
1 stop
OTP1:50 amBucharest Otopeni Intl
Apr 22
OTP2:35 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
$530
LOT
Apr 8
ORD9:50 pmChicago O'Hare Intl
20h 00m
1 stop
OTP1:50 amBucharest Otopeni Intl
Apr 22
OTP5:35 amBucharest Otopeni Intl
22h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
$536
LOT
Apr 7
ORD9:50 pmChicago O'Hare Intl
11h 55m
1 stop
OTP5:45 pmBucharest Otopeni Intl
Apr 28
OTP2:35 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD7:50 pmChicago O'Hare Intl
$540

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 February 26, 2026.
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 8/19

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 8/25

4:10 pm-12:35 pm

1 stop28h 25m

$493

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:15 pm-2:40 pm

1 stop33h 25m

Bucharest Otopeni Intl

Wed 8/26

8:15 am-3:55 pm

1 stop15h 40m

$508

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-7:55 pm

1 stop14h 10m

$510

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/19

2:15 pm-12:00 pm

2 stops13h 45m

Bucharest Otopeni Intl

Tue 8/25

5:15 pm-7:55 pm

1 stop34h 40m

$511

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-10:16 am

2 stops28h 31m

$515

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 4/7

8:10 pm-8:10 am

1 stop28h 00m

Bucharest Otopeni Intl

Fri 5/29

9:30 am-9:40 am

1 stop32h 10m

$516

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 5/3

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 5/12

9:35 pm-9:40 am

1 stop20h 05m

$518

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

2:25 pm-6:35 pm

2 stops20h 10m

Bucharest Otopeni Intl

Wed 8/26

1:45 pm-8:05 pm

2 stops38h 20m

$519

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Wed 8/26

6:05 am-11:15 pm

2 stops25h 10m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/17

12:50 pm-8:30 pm

1 stop24h 40m

Bucharest Otopeni Intl

Tue 3/31

3:55 pm-6:15 pm

1 stop34h 20m

$525

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 November, then book flights to Bucharest Otopeni Intl Airport from Chicago during January instead. Flights to Bucharest Otopeni Intl Airport in January, while not as cheap as those in November, still average around $592.

What is the cheapest day to depart on your flight to Bucharest Otopeni Intl Airport?

Our data shows that Monday is the least expensive day to fly to Bucharest Otopeni Intl Airport. Tickets to fly out on this day can be as low as $829. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $860.

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 $720 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 $365 on momondo.

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

There are 2 cabin classes 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.

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

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

$781

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 $781
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
United AirlinesPriceFrom $300Free CancellationRating
7.4
9,349 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom $326Free CancellationRating
7.3
1,700 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,239 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
901 reviews
Search Austrian Airlines flights
KLMPriceFrom $539Free CancellationRating
7.7
1,460 reviews
Search KLM flights
British AirwaysPriceFrom $544Free CancellationRating
6.7
7,770 reviews
Search British Airways flights
LOTPriceFrom $562Free CancellationRating
7.5
1,182 reviews
Search LOT flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,814 reviews
Search Lufthansa flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,538 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,238 reviews
Search Delta flights

Traveling to a place near Bucharest?

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

Why use momondo?

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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