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

Delta is the most popular carrier operating from Chicago to Bucharest Otopeni Intl

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.

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

Istanbul (IST) was the most common stop: 36% 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 Amsterdam (AMS) have the shortest average one-way travel time: 12h 10m.

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.

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.

$300 Cheap Flights from Chicago to Bucharest Otopeni Intl Airport in 2026

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.

8:48 am - 1:40 pm

ORD

OTP

20h 52m

2 stops

2:00 pm - 2:30 pm

OTP

ORD

32h 30m

1 stop

$787Delta

Sun, Aug 9 - Tue, Aug 25

7:00 am - 1:40 pm

ORD

OTP

22h 40m

2 stops

2:00 pm - 2:15 pm

OTP

ORD

32h 15m

1 stop

$788Delta

Sat, Aug 8 - Mon, Aug 24

2:00 pm - 1:10 am

ORD

OTP

27h 10m

2 stops

6:05 am - 12:55 pm

OTP

ORD

14h 50m

1 stop

$789United Airlines

Sat, Aug 8 - Sat, Aug 22

3:40 pm - 3:20 pm

ORD

OTP

39h 40m

2 stops

6:05 am - 12:55 pm

OTP

ORD

14h 50m

1 stop

$790Multiple Airlines

Sun, Aug 9 - Sat, Aug 22

7:25 pm - 12:35 am

ORD

OTP

21h 10m

2 stops

3:10 pm - 6:15 pm

OTP

ORD

35h 05m

3 stops

$791Multiple Airlines

Mon, Aug 10 - Mon, Aug 17

3:19 pm - 5:40 pm

ORD

OTP

18h 21m

2 stops

2:00 pm - 2:15 pm

OTP

ORD

32h 15m

1 stop

$792Delta

Wed, Aug 5 - Mon, Aug 24

5:10 pm - 1:40 pm

ORD

OTP

12h 30m

1 stop

7:05 am - 8:55 pm

OTP

ORD

21h 50m

2 stops

$793Delta

Thu, Aug 6 - Tue, Aug 25

7:15 pm - 11:45 pm

ORD

OTP

20h 30m

2 stops

4:50 pm - 4:10 pm

OTP

ORD

31h 20m

2 stops

$794Scandinavian Airlines

Mon, Aug 24 - Wed, Sep 2

3:35 pm - 12:00 pm

ORD

OTP

12h 25m

1 stop

6:05 am - 4:59 pm

OTP

ORD

18h 54m

2 stops

$795United Airlines

Fri, Aug 7 - Tue, Aug 25

10:30 am - 1:40 pm

ORD

OTP

19h 10m

2 stops

7:05 am - 6:49 pm

OTP

ORD

19h 44m

2 stops

$796Delta

Wed, Aug 12 - Wed, Aug 26

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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

Aug 24

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 2

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$794

Scandinavian Airlines

Aug 26

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 9

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$815

Scandinavian Airlines

Aug 21

ORD7:15 pmChicago O'Hare Intl

20h 30m

2 stops

OTP11:45 pmBucharest Otopeni Intl

Sep 1

OTP4:50 pmBucharest Otopeni Intl

31h 20m

2 stops

ORD4:10 pmChicago O'Hare Intl

$824

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

Aug 30

ORD8:10 pmChicago O'Hare Intl

35h 30m

2 stops

OTP3:40 pmBucharest Otopeni Intl

Sep 12

OTP7:35 amBucharest Otopeni Intl

18h 40m

1 stop

ORD6:15 pmChicago O'Hare Intl

$801

Turkish Airlines

Sep 7

ORD11:25 amChicago O'Hare Intl

16h 40m

1 stop

OTP12:05 pmBucharest Otopeni Intl

Sep 18

OTP3:55 pmBucharest Otopeni Intl

25h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$804

Turkish Airlines

Aug 17

ORD8:10 pmChicago O'Hare Intl

28h 00m

1 stop

OTP8:10 amBucharest Otopeni Intl

Sep 14

OTP6:25 pmBucharest Otopeni Intl

47h 15m

2 stops

ORD9:40 amChicago O'Hare Intl

$813

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

Sun 8/9

8:48 am-1:40 pm

2 stops20h 52m

Bucharest Otopeni Intl

Tue 8/25

2:00 pm-2:30 pm

1 stop32h 30m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/8

7:00 am-1:40 pm

2 stops22h 40m

Bucharest Otopeni Intl

Mon 8/24

2:00 pm-2:15 pm

1 stop32h 15m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/8

2:00 pm-1:10 am

2 stops27h 10m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

3:40 pm-3:20 pm

2 stops39h 40m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

$790

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

7:25 pm-12:35 am

2 stops21h 10m

Bucharest Otopeni Intl

Mon 8/17

3:10 pm-6:15 pm

3 stops35h 05m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/5

3:19 pm-5:40 pm

2 stops18h 21m

Bucharest Otopeni Intl

Mon 8/24

2:00 pm-2:15 pm

1 stop32h 15m

$792

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 8/6

5:10 pm-1:40 pm

1 stop12h 30m

Bucharest Otopeni Intl

Tue 8/25

7:05 am-8:55 pm

2 stops21h 50m

$793

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/24

7:15 pm-11:45 pm

2 stops20h 30m

Bucharest Otopeni Intl

Wed 9/2

4:50 pm-4:10 pm

2 stops31h 20m

$794

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 8/7

3:35 pm-12:00 pm

1 stop12h 25m

Bucharest Otopeni Intl

Tue 8/25

6:05 am-4:59 pm

2 stops18h 54m

$795

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

10:30 am-1:40 pm

2 stops19h 10m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-6:49 pm

2 stops19h 44m

$796

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 $734 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.

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	12h 45m
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 12h 45m

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 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?
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 87.80% of all bookings. The subsequent popular model is Airbus A330-200 at 12.20%.
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 18%, HiSky with 15%, and LOT with 12%.

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 9,874 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,064 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 4,407 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,613 reviews	Search Air France flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.1 231 reviews	Search Air Serbia flights
KLM	PriceFrom $541	Free Cancellation	Rating 7.8 1,530 reviews	Search KLM flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 8,086 reviews	Search Lufthansa flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 1,971 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,422 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,203 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.

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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Cheap flights from Chicago to Bucharest from $300

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 8/17. 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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Scandinavian Airlines flights from Chicago to Bucharest Otopeni Intl Airport

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

Turkish Airlines flights from Chicago to Bucharest Otopeni Intl Airport

Our best Turkish 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?

Can stopping save me money 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?

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An easier way to manage your Bucharest Otopeni Intl Airport trip

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Chicago flight routes

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Bucharest Otopeni Intl Airport flight routes

According to popular flight searches on momondo this year

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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