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Cheap flights from Chicago to Bucharest from $322

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 10/22. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:40 pm - 6:35 pm
ORD
-
OTP
12h 55m
1 stop
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$784Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
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
$785Turkish Airlines
Wed, Sep 9 - Tue, Sep 22
British Airways Logo
9:15 pm - 3:25 pm
ORD
-
OTP
34h 10m
1 stop
British Airways Logo
3:50 pm - 1:50 pm
OTP
-
ORD
30h 00m
1 stop
$786British Airways
Mon, Sep 14 - Wed, Nov 11
Multiple Airlines Logo
7:25 pm - 1:10 am
ORD
-
OTP
21h 45m
2 stops
Multiple Airlines Logo
5:35 am - 9:25 pm
OTP
-
ORD
23h 50m
3 stops
$787Multiple Airlines
Sun, Oct 4 - Wed, Oct 14
Multiple Airlines Logo
11:05 am - 6:35 pm
ORD
-
OTP
23h 30m
2 stops
Multiple Airlines Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
$788Multiple Airlines
Wed, Aug 12 - Tue, Aug 18
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:05 pm - 9:15 pm
OTP
-
ORD
13h 10m
1 stop
$789Air Serbia
Sat, Sep 5 - Sat, Sep 19
Delta Logo
8:25 am - 1:00 pm
ORD
-
OTP
20h 35m
2 stops
Delta Logo
2:00 pm - 2:25 pm
OTP
-
ORD
32h 25m
1 stop
$790Delta
Sun, Sep 13 - Wed, Nov 11
Air Serbia Logo
11:20 pm - 3:05 am
ORD
-
OTP
19h 45m
1 stop
Air Serbia Logo
4:30 am - 2:30 pm
OTP
-
ORD
18h 00m
1 stop
$791Air Serbia
Sat, Sep 5 - Mon, Sep 21
LOT Logo
5:10 pm - 5:45 pm
ORD
-
OTP
16h 35m
1 stop
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
$793LOT
Thu, Aug 6 - Tue, Aug 25
KLM Logo
6:42 pm - 5:40 pm
MDW
-
OTP
14h 58m
2 stops
KLM Logo
8:35 am - 6:01 pm
OTP
-
MDW
17h 26m
2 stops
$850KLM
Thu, Aug 6 - Tue, Aug 25

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KLM flights from Chicago to Bucharest Otopeni Intl Airport

Our best KLM deals on Chicago to Bucharest Otopeni Intl Airport flight tickets
KLM
Aug 6
MDW6:42 pmChicago Midway
14h 58m
2 stops
OTP5:40 pmBucharest Otopeni Intl
Aug 25
OTP8:35 amBucharest Otopeni Intl
17h 26m
2 stops
MDW6:01 pmChicago Midway
$850
KLM
Aug 12
MDW7:25 pmChicago Midway
14h 15m
2 stops
OTP5:40 pmBucharest Otopeni Intl
Aug 18
OTP8:35 amBucharest Otopeni Intl
17h 26m
2 stops
MDW6:01 pmChicago Midway
$856
KLM
Aug 12
MDW7:25 pmChicago Midway
14h 15m
2 stops
OTP5:40 pmBucharest Otopeni Intl
Aug 18
OTP8:35 amBucharest Otopeni Intl
17h 26m
2 stops
MDW6:01 pmChicago Midway
$896

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
Sep 9
ORD11:25 amChicago O'Hare Intl
12h 45m
1 stop
OTP8:10 amBucharest Otopeni Intl
Sep 22
OTP9:35 pmBucharest Otopeni Intl
20h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$785
Turkish Airlines
Sep 5
ORD8:10 pmChicago O'Hare Intl
34h 25m
1 stop
OTP2:35 pmBucharest Otopeni Intl
Sep 17
OTP9:35 pmBucharest Otopeni Intl
20h 05m
1 stop
ORD9:40 amChicago O'Hare Intl
$791
Turkish Airlines
Aug 24
ORD11:25 amChicago O'Hare Intl
20h 15m
2 stops
OTP3:40 pmBucharest Otopeni Intl
Sep 6
OTP3:50 pmBucharest Otopeni Intl
25h 50m
1 stop
ORD9:40 amChicago O'Hare Intl
$806

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 July 11, 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

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/11

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 8/18

4:10 pm-12:35 pm

1 stop28h 25m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 9/22

9:35 pm-9:40 am

1 stop20h 05m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 9/14

9:15 pm-3:25 pm

1 stop34h 10m

Bucharest Otopeni Intl

Wed 11/11

3:50 pm-1:50 pm

1 stop30h 00m

$786

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/4

7:25 pm-1:10 am

2 stops21h 45m

Bucharest Otopeni Intl

Wed 10/14

5:35 am-9:25 pm

3 stops23h 50m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

11:05 am-6:35 pm

2 stops23h 30m

Bucharest Otopeni Intl

Tue 8/18

4:10 pm-12:35 pm

1 stop28h 25m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/5

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sat 9/19

4:05 pm-9:15 pm

1 stop13h 10m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/13

8:25 am-1:00 pm

2 stops20h 35m

Bucharest Otopeni Intl

Wed 11/11

2:00 pm-2:25 pm

1 stop32h 25m

$790

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/5

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 9/21

4:30 am-2:30 pm

1 stop18h 00m

$791
Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/6

5:10 pm-5:45 pm

1 stop16h 35m

Bucharest Otopeni Intl

Tue 8/25

8:20 am-3:10 pm

1 stop14h 50m

$793

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 8/6

6:42 pm-5:40 pm

2 stops14h 58m

Bucharest Otopeni Intl

Tue 8/25

8:35 am-6:01 pm

2 stops17h 26m

$850

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 July, then book flights to Bucharest Otopeni Intl Airport from Chicago during May instead. Flights to Bucharest Otopeni Intl Airport in May, while not as cheap as those in July, still average around $280.

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 $853. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Chicago to Bucharest Otopeni Intl Airport for around $893.

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 from Chicago 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 $741 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 Airport flights?

There are 3 cabin classes available to choose from on Chicago to Bucharest Otopeni Intl Airport 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

$478

Fastest flight time

14h 58m

Direct flights

None
The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $478. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $932.
The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 14h 58m
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

Frequently asked questions about flying from Chicago to Bucharest Otopeni Intl Airport

  • 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 14h 58m 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
9,978 reviews
Search United Airlines flights
British AirwaysPriceFrom $418Free CancellationRating
6.7
8,107 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.4
4,442 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $510Free CancellationRating
7.5
1,625 reviews
Search Air France flights
Air SerbiaPriceFrom $537Free CancellationRating
6.1
232 reviews
Search Air Serbia flights
KLMPriceFrom $541Free CancellationRating
7.8
1,537 reviews
Search KLM flights
LufthansaPriceFrom $553Free CancellationRating
6.8
8,132 reviews
Search Lufthansa flights
SWISSPriceFrom $569Free CancellationRating
7.5
1,998 reviews
Search SWISS flights
DeltaPriceFrom $575Free CancellationRating
7.8
8,457 reviews
Search Delta flights
LOTPriceFrom $586Free CancellationRating
7.5
1,210 reviews
Search LOT 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.

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

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