Which layover airport has the shortest travel time from Chicago to Bucharest Otopeni Intl Airport?

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 12h 10m.

What airlines fly to Bucharest Otopeni Intl Airport?

Lufthansa, Turkish Airlines and HiSky are the top three most popular airlines that fly to Bucharest Otopeni Intl Airport from Chicago according to our data. Lufthansa is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Bucharest Otopeni Intl Airport. Keep in mind that there are 11 different airlines that fly to Bucharest Otopeni Intl Airport on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Chicago to Bucharest Otopeni Intl Airport?

Warsaw (WAW) has the shortest average layover time for this route: 1h 16m.

What is the cheapest airline that flies from Chicago to Bucharest Otopeni Intl?

American Airlines, British Airways, and Delta are the most popular carriers operating from Chicago to Bucharest Otopeni Intl

Which layover airport offers the lowest fares from Chicago to Bucharest Otopeni Intl Airport?

Flights via Istanbul (IST) offer the lowest average round-trip price of $663.

Which airport is the most popular layover for flights between Chicago and Bucharest Otopeni Intl Airport?

Istanbul (IST) was the most common stop: 35% of momondo users choosing 1-stop flights on this route connected there.

How many operators does momondo search for flights from Chicago to Bucharest Otopeni Intl Airport?

As of June 2026, there are 11 operators available to choose from 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.

$307 Cheap Flights from Chicago to Bucharest Otopeni Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Chicago and Bucharest Otopeni Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,230 to $864. The lowest price recently found on this route was $784.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Bucharest

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:20 pm - 3:05 am

ORD

OTP

19h 45m

1 stop

4:05 pm - 9:15 pm

OTP

ORD

13h 10m

1 stop

$784Air Serbia

Sat, Aug 1 - Sat, Sep 12

11:05 am - 6:35 pm

ORD

OTP

23h 30m

2 stops

1:50 pm - 12:55 pm

OTP

ORD

31h 05m

1 stop

$785Multiple Airlines

Tue, Aug 4 - Tue, Aug 18

7:15 pm - 11:45 pm

ORD

OTP

20h 30m

2 stops

4:50 pm - 5:45 pm

OTP

ORD

31h 55m

2 stops

$786Scandinavian Airlines

Wed, Sep 30 - Sun, Oct 25

1:59 pm - 1:40 pm

ORD

OTP

15h 41m

2 stops

7:05 am - 2:30 pm

OTP

ORD

15h 25m

1 stop

$787Delta

Wed, Aug 12 - Wed, Aug 26

6:30 am - 1:40 pm

ORD

OTP

23h 10m

2 stops

7:05 am - 2:15 pm

OTP

ORD

15h 10m

1 stop

$788Delta

Sat, Aug 1 - Sun, Aug 23

7:17 pm - 5:40 pm

ORD

OTP

14h 23m

2 stops

4:50 pm - 2:30 pm

OTP

ORD

29h 40m

1 stop

$789KLM

Sun, Aug 2 - Tue, Aug 18

7:25 pm - 11:10 pm

ORD

OTP

19h 45m

2 stops

11:20 pm - 7:48 pm

OTP

ORD

28h 28m

2 stops

$790Multiple Airlines

Wed, Sep 9 - Thu, Sep 24

7:17 pm - 5:40 pm

ORD

OTP

14h 23m

2 stops

4:50 pm - 2:15 pm

OTP

ORD

29h 25m

1 stop

$791KLM

Mon, Jul 27 - Wed, Aug 19

5:20 pm - 2:10 pm

ORD

OTP

12h 50m

1 stop

6:00 am - 4:37 pm

OTP

ORD

18h 37m

2 stops

$792Delta

Sun, Nov 8 - Thu, Nov 26

5:20 pm - 2:10 pm

ORD

OTP

12h 50m

1 stop

6:00 am - 4:37 pm

OTP

ORD

18h 37m

2 stops

$793Delta

Fri, Nov 13 - Thu, Nov 26

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Air Serbia flights from Chicago to Bucharest Otopeni Intl Airport

Our best Air Serbia deals on Chicago to Bucharest Otopeni Intl Airport flight tickets

Air Serbia

Aug 1

ORD11:20 pmChicago O'Hare Intl

19h 45m

1 stop

OTP3:05 amBucharest Otopeni Intl

Sep 12

OTP4:05 pmBucharest Otopeni Intl

13h 10m

1 stop

ORD9:15 pmChicago O'Hare Intl

$784

Air Serbia

Aug 3

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 8

OTP4:05 pmBucharest Otopeni Intl

30h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$803

Air Serbia

Jun 22

ORD4:40 pmChicago O'Hare Intl

14h 40m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Sep 12

OTP4:30 amBucharest Otopeni Intl

24h 45m

1 stop

ORD9:15 pmChicago O'Hare Intl

$1,210

Scandinavian Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Scandinavian Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets

Scandinavian Airlines

Sep 30

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Oct 25

OTP4:50 pmBucharest Otopeni Intl

31h 55m

2 stops

ORD5:45 pmChicago O'Hare Intl

$786

Scandinavian Airlines

Nov 8

ORD7:15 pmChicago O'Hare Intl

20h 15m

2 stops

OTP11:30 pmBucharest Otopeni Intl

Nov 21

OTP4:50 pmBucharest Otopeni Intl

31h 55m

2 stops

ORD4:45 pmChicago O'Hare Intl

$798

Scandinavian Airlines

Aug 17

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 14

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$824

momondo Fare Finder

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

Sat 8/1

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Sat 9/12

4:05 pm-9:15 pm

1 stop13h 10m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/4

11:05 am-6:35 pm

2 stops23h 30m

Bucharest Otopeni Intl

Tue 8/18

1:50 pm-12:55 pm

1 stop31h 05m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/30

7:15 pm-11:45 pm

2 stops20h 30m

Bucharest Otopeni Intl

Sun 10/25

4:50 pm-5:45 pm

2 stops31h 55m

$786

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

1:59 pm-1:40 pm

2 stops15h 41m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-2:30 pm

1 stop15h 25m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

6:30 am-1:40 pm

2 stops23h 10m

Bucharest Otopeni Intl

Sun 8/23

7:05 am-2:15 pm

1 stop15h 10m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/2

7:17 pm-5:40 pm

2 stops14h 23m

Bucharest Otopeni Intl

Tue 8/18

4:50 pm-2:30 pm

1 stop29h 40m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

7:25 pm-11:10 pm

2 stops19h 45m

Bucharest Otopeni Intl

Thu 9/24

11:20 pm-7:48 pm

2 stops28h 28m

$790

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 7/27

7:17 pm-5:40 pm

2 stops14h 23m

Bucharest Otopeni Intl

Wed 8/19

4:50 pm-2:15 pm

1 stop29h 25m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/8

5:20 pm-2:10 pm

1 stop12h 50m

Bucharest Otopeni Intl

Thu 11/26

6:00 am-4:37 pm

2 stops18h 37m

$792

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/13

5:20 pm-2:10 pm

1 stop12h 50m

Bucharest Otopeni Intl

Thu 11/26

6:00 am-4:37 pm

2 stops18h 37m

$793

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $728 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 2 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.

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	$435
Fastest flight time	12h 10m
Direct flights	None

The best one-way flight to Bucharest Otopeni Intl Airport from Chicago in the past 72 hours is $435. The best round-trip flight deal from Chicago to Bucharest Otopeni Intl Airport found on momondo in the last 72 hours is $896.

The fastest flight from Chicago to Bucharest Otopeni Intl Airport takes 12h 10m

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 12h 10m 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?
As of June 2026, there are 11 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Bucharest Otopeni Intl Airport is Airbus A330, representing 89.44% of all bookings. The subsequent popular model is Airbus A330-200 at 10.56%.
What is the most popular airline from Chicago to Bucharest Otopeni Intl Airport?
Based on momondo bookings for flights between Chicago and Bucharest Otopeni Intl Airport, the leading airline is Turkish Airlines, making up 27% of the total bookings. Other popular airlines include Lufthansa with 20%, HiSky with 14%, and LOT with 11%.

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 Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 9,842 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,052 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 4,409 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.4 1,606 reviews	Search Air France flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.1 231 reviews	Search Air Serbia flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,528 reviews	Search KLM flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 8,066 reviews	Search Lufthansa flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 1,969 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,405 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,198 reviews	Search LOT flights

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.

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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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Cheap flights from Chicago to Bucharest from $307

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 7/28. 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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Air Serbia flights from Chicago to Bucharest Otopeni Intl Airport

Our best Air Serbia deals on Chicago to Bucharest Otopeni Intl Airport flight tickets

Scandinavian Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Scandinavian Airlines deals on Chicago to Bucharest Otopeni Intl Airport flight tickets

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Use the filters below to find and compare flights from Chicago to Bucharest Otopeni Intl Airport that are best for you.

See travel insights to Bucharest from

How to get the cheapest flight ticket from Chicago to Bucharest Otopeni Intl Airport

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?

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

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

How far in advance should I book a flight from Chicago to Bucharest Otopeni Intl Airport?

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

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

What is the cheapest airline that flies from Chicago to Bucharest Otopeni Intl?

What airlines fly to Bucharest Otopeni Intl Airport?

Which airport is the most popular layover for flights between Chicago and Bucharest Otopeni Intl Airport?

Which layover airport offers the lowest fares from Chicago to Bucharest Otopeni Intl Airport?

Which layover airport has the shortest travel time from Chicago to Bucharest Otopeni Intl Airport?

Which layover airport has the shortest connection time from Chicago to Bucharest Otopeni Intl Airport?

When to book flights from Chicago to Bucharest Otopeni Intl Airport

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

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest Otopeni Intl Airport trip

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bucharest

Chicago flight routes

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Bucharest Otopeni Intl Airport flight routes

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Fly your favorite airline to Bucharest

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bucharest

List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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