What airlines fly to Bucharest Otopeni Intl Airport?

Turkish Airlines, LOT and Lufthansa are the top three most popular airlines that fly to Bucharest Otopeni Intl Airport from Chicago according to our data. Turkish Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Bucharest Otopeni Intl Airport. Keep in mind that there are 13 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 offers the lowest fares from Chicago to Bucharest Otopeni Intl Airport?

Flights via Vienna (VIE) offer the lowest average round-trip price of $671.

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

Istanbul (IST) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

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

Flights connecting via Vienna (VIE) have the shortest average one-way travel time: 12h 05m.

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

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

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

Zurich (ZRH) has the shortest average layover time for this route: 1h 23m.

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

As of December 2025, there are 13 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.

$322 Cheap Flights from Chicago to Bucharest Otopeni Intl Airport in 2025/26

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 $918 to $1,031. The lowest price recently found on this route was $520.

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 3:20 pmORD-OTP

12h 15m1 stop

6:30 am - 12:20 pmOTP-ORD

13h 50m1 stop

$520SWISS

Find Deal

Tue, Mar 31 - Tue, Apr 14

7:05 pm - 3:20 pmORD-OTP

12h 15m1 stop

4:05 pm - 1:20 pmOTP-ORD

29h 15m1 stop

$521Multiple Airlines

Find Deal

Mon, Mar 30 - Mon, Apr 13

9:55 pm - 1:45 amORD-OTP

19h 50m1 stop

5:35 am - 8:55 pmOTP-ORD

22h 20m2 stops

$522LOT

Find Deal

Mon, Mar 2 - Mon, Mar 16

7:05 pm - 3:20 pmORD-OTP

12h 15m1 stop

4:10 pm - 12:20 pmOTP-ORD

28h 10m1 stop

$523SWISS

Find Deal

Mon, Apr 6 - Mon, Apr 20

4:20 pm - 12:25 pmORD-OTP

12h 05m1 stop

4:05 pm - 1:20 pmOTP-ORD

29h 15m1 stop

$524Austrian Airlines

Find Deal

Thu, Apr 2 - Thu, Apr 16

4:20 pm - 12:25 pmORD-OTP

12h 05m1 stop

4:05 pm - 1:20 pmOTP-ORD

29h 15m1 stop

$525Austrian Airlines

Find Deal

Thu, Apr 2 - Thu, Apr 16

4:20 pm - 12:25 pmORD-OTP

12h 05m1 stop

4:05 pm - 1:20 pmOTP-ORD

29h 15m1 stop

$526Austrian Airlines

Find Deal

Thu, Apr 2 - Thu, Apr 16

10:45 pm - 11:45 pmORD-OTP

18h 00m1 stop

4:10 pm - 2:50 pmOTP-ORD

29h 40m1 stop

$528British Airways

Find Deal

Sun, Mar 15 - Sun, Mar 22

1:28 pm - 1:00 pmMDW-OTP

15h 32m2 stops

8:35 am - 6:36 pmOTP-MDW

18h 01m2 stops

$561KLM

Find Deal

Thu, Jan 15 - Thu, Jan 22

1:26 pm - 1:00 pmMDW-OTP

15h 34m2 stops

6:00 am - 4:16 pmOTP-MDW

18h 16m2 stops

$583KLM

Find Deal

Sat, Jan 24 - Sat, Feb 7

LOT flights from Chicago to Bucharest Otopeni Intl Airport

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

LOT

Mar 2

ORD9:55 pmChicago O'Hare Intl

19h 50m

1 stop

OTP1:45 amBucharest Otopeni Intl

Mar 16

OTP5:35 amBucharest Otopeni Intl

22h 20m

2 stops

ORD8:55 pmChicago O'Hare Intl

$522

Find similar

LOT

Dec 6

ORD9:55 pmChicago O'Hare Intl

17h 20m

1 stop

OTP11:15 pmBucharest Otopeni Intl

Dec 19

OTP8:20 amBucharest Otopeni Intl

19h 40m

1 stop

ORD8:00 pmChicago O'Hare Intl

$800

Find similar

British Airways flights from Chicago to Bucharest Otopeni Intl Airport

Our best British Airways deals on Chicago to Bucharest Otopeni Intl Airport flight tickets

British Airways

Mar 15

ORD10:45 pmChicago O'Hare Intl

18h 00m

1 stop

OTP11:45 pmBucharest Otopeni Intl

Mar 22

OTP4:10 pmBucharest Otopeni Intl

29h 40m

1 stop

ORD2:50 pmChicago O'Hare Intl

$528

Find similar

British Airways

Apr 1

ORD9:15 pmChicago O'Hare Intl

19h 10m

1 stop

OTP12:25 amBucharest Otopeni Intl

Apr 16

OTP3:40 pmBucharest Otopeni Intl

30h 10m

1 stop

ORD1:50 pmChicago O'Hare Intl

$536

Find similar

British Airways

Mar 28

ORD9:15 pmChicago O'Hare Intl

19h 15m

1 stop

OTP12:30 amBucharest Otopeni Intl

Apr 15

OTP4:15 pmBucharest Otopeni Intl

29h 35m

1 stop

ORD1:50 pmChicago O'Hare Intl

$551

Find similar

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

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/31

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Tue 4/14

6:30 am-12:20 pm

1 stop13h 50m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/30

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Mon 4/13

4:05 pm-1:20 pm

1 stop29h 15m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/2

9:55 pm-1:45 am

1 stop19h 50m

Bucharest Otopeni Intl

Mon 3/16

5:35 am-8:55 pm

2 stops22h 20m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/6

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Mon 4/20

4:10 pm-12:20 pm

1 stop28h 10m

$523

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 4/2

4:20 pm-12:25 pm

1 stop12h 05m

Bucharest Otopeni Intl

Thu 4/16

4:05 pm-1:20 pm

1 stop29h 15m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 4/2

4:20 pm-12:25 pm

1 stop12h 05m

Bucharest Otopeni Intl

Thu 4/16

4:05 pm-1:20 pm

1 stop29h 15m

$525

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 4/2

4:20 pm-12:25 pm

1 stop12h 05m

Bucharest Otopeni Intl

Thu 4/16

4:05 pm-1:20 pm

1 stop29h 15m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/15

10:45 pm-11:45 pm

1 stop18h 00m

Bucharest Otopeni Intl

Sun 3/22

4:10 pm-2:50 pm

1 stop29h 40m

$528

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 1/15

1:28 pm-1:00 pm

2 stops15h 32m

Bucharest Otopeni Intl

Thu 1/22

8:35 am-6:36 pm

2 stops18h 01m

$561

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

$583

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 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 12h 05m 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 December 2025, there are 13 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 100.00% of all bookings.
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 LOT, making up 22% of the total bookings. Other popular airlines include Turkish Airlines with 20%, Lufthansa with 16%, and United Airlines with 10%.

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 Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,591 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,071 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 875 reviews	Search Austrian Airlines flights
LOT	PriceFrom $538	Free Cancellation	Rating 7.5 1,141 reviews	Search LOT flights
KLM	PriceFrom $568	Free Cancellation	Rating 7.7 1,426 reviews	Search KLM flights
Lufthansa	PriceFrom $570	Free Cancellation	Rating 6.8 7,603 reviews	Search Lufthansa flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,550 reviews	Search British Airways flights
United Airlines	PriceFrom $595	Free Cancellation	Rating 7.4 9,063 reviews	Search United Airlines flights
SWISS	PriceFrom $597	Free Cancellation	Rating 7.5 1,798 reviews	Search SWISS flights
Air France	PriceFrom $618	Free Cancellation	Rating 7.4 1,500 reviews	Search Air France flights

Otopeni

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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.

An easier way to manage your Bucharest Otopeni Intl Airport trip

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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 5/6. 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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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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LOT flights from Chicago to Bucharest Otopeni Intl Airport

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

British Airways flights from Chicago to Bucharest Otopeni Intl Airport

Our best British Airways 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.

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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 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?

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

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

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

Lufthansa, American Airlines, and Delta are the most popular carriers operating 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?

Istanbul (IST) was the most common stop: 39% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Vienna (VIE) offer the lowest average round-trip price of $671.

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

Flights connecting via Vienna (VIE) have the shortest average one-way travel time: 12h 05m.

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

Zurich (ZRH) has the shortest average layover time for this route: 1h 23m.

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

How far is Chicago to Bucharest Otopeni Intl by plane?

When did momondo last update prices for flights from Chicago to Bucharest Otopeni Intl Airport?

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?

What documentation or ID do you need to fly to Bucharest Otopeni Intl Airport?

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

Traveling to a place near Bucharest?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Bucharest?

Can I find flights from Chicago to Bucharest with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Bucharest?

I’m not ready to book a flight from Chicago to Bucharest right now. Can momondo alert me if prices change?

An easier way to manage your Bucharest Otopeni Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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

Find better results for your trip to Bucharest

Chicago flight routes

According to popular flight searches on momondo this year