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

Istanbul (IST) was the most common stop: 30% of momondo users choosing 1-stop flights on this route connected there.

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

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

What airlines fly to Bucharest?

Turkish Airlines, Lufthansa and HiSky are the top three most popular airlines that fly to Bucharest from Chicago according to our data. Turkish Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 11 different airlines that fly to Bucharest 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?

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

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

Flights via Munich (MUC) offer the lowest average round-trip price of $503.

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

Air France and Delta are the most popular carriers operating from Chicago to Bucharest

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

Prices for flights from Chicago to Bucharest are updated daily.

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

The number of operators available for flights from Chicago to Bucharest is 11 as of June 2026.

How old do you have to be to fly from Chicago to Bucharest?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bucharest.

What documentation or ID do you need to fly to Bucharest?

The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$317 Cheap Flights from Chicago to Bucharest 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.

9:40 pm - 6:35 pm

ORD

OTP

12h 55m

1 stop

12:45 pm - 12:35 pm

OTP

ORD

31h 50m

1 stop

$777Lufthansa

Wed, Aug 12 - Tue, Aug 18

4:05 pm - 12:50 pm

ORD

OTP

12h 45m

1 stop

1:45 pm - 7:55 pm

OTP

ORD

14h 10m

1 stop

$778Lufthansa

Wed, Sep 9 - Wed, Sep 23

5:10 pm - 1:40 pm

ORD

OTP

12h 30m

1 stop

2:00 pm - 2:30 pm

OTP

ORD

32h 30m

1 stop

$783Delta

Sat, Aug 1 - Sun, Aug 23

9:40 pm - 1:10 am

ORD

OTP

19h 30m

1 stop

6:05 am - 12:55 pm

OTP

ORD

14h 50m

1 stop

$784United Airlines

Sun, Sep 6 - Fri, Sep 25

3:35 pm - 6:35 pm

ORD

OTP

19h 00m

1 stop

5:15 pm - 12:55 pm

OTP

ORD

27h 40m

1 stop

$785Lufthansa

Wed, Aug 12 - Tue, Aug 18

4:20 pm - 1:00 pm

ORD

OTP

12h 40m

1 stop

2:00 pm - 2:15 pm

OTP

ORD

32h 15m

1 stop

$786Delta

Sun, Sep 6 - Mon, Sep 21

11:22 am - 1:40 pm

ORD

OTP

18h 18m

2 stops

7:05 am - 2:30 pm

OTP

ORD

15h 25m

1 stop

$787Delta

Wed, Aug 12 - Wed, Aug 26

2:30 pm - 6:35 pm

ORD

OTP

20h 05m

2 stops

1:45 pm - 7:55 pm

OTP

ORD

14h 10m

1 stop

$788United Airlines

Wed, Sep 9 - Wed, Sep 23

11:25 am - 2:35 pm

ORD

OTP

19h 10m

1 stop

9:35 pm - 9:40 am

OTP

ORD

20h 05m

1 stop

$789Turkish Airlines

Wed, Aug 26 - Wed, Sep 9

8:45 am - 3:20 pm

ORD

OTP

22h 35m

2 stops

6:05 am - 12:55 pm

OTP

ORD

14h 50m

1 stop

$790Multiple Airlines

Sun, Aug 9 - Sat, Aug 22

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LOT flights from Chicago to Bucharest

Our best LOT deals on Chicago to Bucharest flight tickets

LOT

Aug 19

ORD9:50 pmChicago O'Hare Intl

11h 55m

1 stop

OTP5:45 pmBucharest Otopeni Intl

Sep 2

OTP5:35 amBucharest Otopeni Intl

22h 15m

1 stop

ORD7:50 pmChicago O'Hare Intl

$803

LOT

Sep 4

ORD9:50 pmChicago O'Hare Intl

11h 55m

1 stop

OTP5:45 pmBucharest Otopeni Intl

Sep 17

OTP5:35 amBucharest Otopeni Intl

17h 35m

1 stop

ORD3:10 pmChicago O'Hare Intl

$811

LOT

Sep 2

ORD5:10 pmChicago O'Hare Intl

16h 35m

2 stops

OTP5:45 pmBucharest Otopeni Intl

Sep 17

OTP5:35 amBucharest Otopeni Intl

17h 35m

1 stop

ORD3:10 pmChicago O'Hare Intl

$830

Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets

Lufthansa

Aug 12

ORD9:40 pmChicago O'Hare Intl

12h 55m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Aug 18

OTP12:45 pmBucharest Otopeni Intl

31h 50m

1 stop

ORD12:35 pmChicago O'Hare Intl

$777

Lufthansa

Sep 9

ORD4:05 pmChicago O'Hare Intl

12h 45m

1 stop

OTP12:50 pmBucharest Otopeni Intl

Sep 23

OTP1:45 pmBucharest Otopeni Intl

14h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

$778

Lufthansa

Aug 12

ORD3:35 pmChicago O'Hare Intl

19h 00m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Aug 18

OTP5:15 pmBucharest Otopeni Intl

27h 40m

1 stop

ORD12:55 pmChicago O'Hare Intl

$785

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 8/18

12:45 pm-12:35 pm

1 stop31h 50m

$777

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

4:05 pm-12:50 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 9/23

1:45 pm-7:55 pm

1 stop14h 10m

$778

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/1

5:10 pm-1:40 pm

1 stop12h 30m

Bucharest Otopeni Intl

Sun 8/23

2:00 pm-2:30 pm

1 stop32h 30m

$783

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/6

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Fri 9/25

6:05 am-12:55 pm

1 stop14h 50m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

3:35 pm-6:35 pm

1 stop19h 00m

Bucharest Otopeni Intl

Tue 8/18

5:15 pm-12:55 pm

1 stop27h 40m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 9/6

4:20 pm-1:00 pm

1 stop12h 40m

Bucharest Otopeni Intl

Mon 9/21

2:00 pm-2:15 pm

1 stop32h 15m

$786

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

11:22 am-1:40 pm

2 stops18h 18m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-2:30 pm

1 stop15h 25m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

2:30 pm-6:35 pm

2 stops20h 05m

Bucharest Otopeni Intl

Wed 9/23

1:45 pm-7:55 pm

1 stop14h 10m

$788

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

11:25 am-2:35 pm

1 stop19h 10m

Bucharest Otopeni Intl

Wed 9/9

9:35 pm-9:40 am

1 stop20h 05m

$789

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 8/9

8:45 am-3:20 pm

2 stops22h 35m

Bucharest Otopeni Intl

Sat 8/22

6:05 am-12:55 pm

1 stop14h 50m

$790

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

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?

What is the cheapest month to fly to Bucharest?

In general, July is the cheapest month to fly from Chicago to Bucharest. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $278. If you aren’t able to travel to Bucharest during the month of July, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $280.

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

Our data shows that Tuesday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $853. The most expensive day to fly to Bucharest is Friday, with ticket prices averaging around $893.

What is the cheapest Chicago to Bucharest flight route?

Fly from Chicago O'Hare Intl to Bucharest Otopeni Intl for the best Chicago - Bucharest flight prices

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

You are more likely to see cheaper flights to Bucharest from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from Chicago for as low as $365 on momondo.

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

There are 2 cabin classes available to choose from on Chicago to Bucharest 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 flight prices changed over time?

When to book flights from Chicago to Bucharest

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Bucharest according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Bucharest (CHI to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Bucharest

Best Price Found	$435
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Bucharest from Chicago in the past 72 hours is $435. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $893.

The fastest flight from Chicago to Bucharest takes 12h 45m

There are no direct flights from Chicago to Bucharest. There are no popular flight routes from Chicago to Bucharest.

Search flight deals

Frequently asked questions about flying from Chicago to Bucharest

How far is Chicago to Bucharest by plane?
The straight-line distance from Chicago to Bucharest is 5200.7 mi. Flights usually cover this in 12h 45m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Bucharest?
Prices for flights from Chicago to Bucharest are updated daily.
How many operators does momondo search for flights from Chicago to Bucharest?
The number of operators available for flights from Chicago to Bucharest is 11 as of June 2026.
How old do you have to be to fly from Chicago to Bucharest?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Bucharest.
What documentation or ID do you need to fly to Bucharest?
The travel and health documents you'll need for your trip to Bucharest may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bucharest. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Chicago to Bucharest?
momondo data reveals that the most frequently booked plane model on the route from Chicago to Bucharest is Airbus A330, representing 90.13% of all bookings. The subsequent popular model is Airbus A330-200 at 9.87%.
What is the most popular airline from Chicago to Bucharest?
momondo data reveals that the most frequently booked airline on the route from Chicago to Bucharest is Turkish Airlines, representing 23% of all bookings. The subsequent popular airlines are United Airlines at 17%, HiSky at 16%, and Lufthansa at 15%.

Best airlines flying from Chicago to Bucharest

Compare and see reviews for airlines that fly from Chicago to Bucharest with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $300	Free Cancellation	Rating 7.4 9,801 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,035 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 1,598 reviews	Search Air France flights
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 8,052 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.1 229 reviews	Search Air Serbia flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,527 reviews	Search KLM flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 1,968 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,393 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,197 reviews	Search LOT flights

Otopeni

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Bucharest. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Bucharest from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chicago to Bucharest flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Bucharest flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Bucharest 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.

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Cheap flights from Chicago to Bucharest from $317

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 7/20. 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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LOT flights from Chicago to Bucharest

Our best LOT deals on Chicago to Bucharest flight tickets

Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets

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How to get the cheapest flight ticket from Chicago to Bucharest

What is the typical price of a round-trip flight between Chicago and Bucharest?

What is the cheapest month to fly to Bucharest?

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

What is the cheapest Chicago to Bucharest flight route?

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

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

How have Chicago to Bucharest flight prices changed over time?

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

What airlines fly to Bucharest?

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

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

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

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

When to book flights from Chicago to Bucharest

Cheap Chicago to Bucharest (CHI to BUH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Bucharest

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Bucharest

Best airlines flying from Chicago to Bucharest

Compare and see reviews for airlines that fly from Chicago to Bucharest with momondo

Traveling to a place near Bucharest?

Why use momondo?

An easier way to manage your Bucharest 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 Romania

Fly into one of these airports located in Bucharest

Airports listed have a maximum distance of 9.6 mi from Bucharest

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.

Popular cities in Romania

Popular flights according to clicks in the last 7 days on momondo

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