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

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $629.

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.

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

Istanbul (IST) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Bucharest?

Turkish Airlines, LOT and Lufthansa 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 46% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 13 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?

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

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

SWISS is the most popular carrier 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 13 as of November 2025.

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.

$250 Cheap Flights from Chicago to Bucharest in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $581 to $994. The lowest price recently found on this route was $520.

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Cheap round-trip flights

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9:50 pm - 6:35 pmORD-OTP

12h 45m1 stop

5:55 am - 11:10 amOTP-ORD

13h 15m1 stop

$520Lufthansa

Find Deal

Mon, Dec 8 - Mon, Dec 15

9:50 pm - 6:35 pmORD-OTP

12h 45m1 stop

5:55 am - 1:10 pmOTP-ORD

15h 15m1 stop

$521Lufthansa

Find Deal

Sun, Jan 18 - Sun, Feb 1

4:10 pm - 12:30 amORD-OTP

24h 20m1 stop

1:20 pm - 2:00 pmOTP-ORD

32h 40m1 stop

$524Multiple Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 23

4:10 pm - 12:30 amORD-OTP

24h 20m1 stop

1:20 pm - 2:00 pmOTP-ORD

32h 40m1 stop

$528Multiple Airlines

Find Deal

Tue, Dec 9 - Tue, Dec 23

11:50 am - 8:50 amORD-OTP

13h 00m1 stop

9:55 pm - 11:05 amOTP-ORD

20h 10m1 stop

$529Turkish Airlines

Find Deal

Mon, Feb 23 - Mon, Mar 9

7:05 pm - 5:25 pmORD-OTP

14h 20m1 stop

8:25 am - 3:55 pmOTP-ORD

15h 30m1 stop

$530British Airways

Find Deal

Mon, Mar 30 - Tue, Apr 14

9:50 pm - 6:35 pmORD-OTP

12h 45m1 stop

2:40 pm - 8:05 pmOTP-ORD

13h 25m1 stop

$531United Airlines

Find Deal

Mon, Dec 8 - Wed, Dec 24

5:20 pm - 10:50 pmORD-OTP

21h 30m1 stop

6:00 am - 2:20 pmOTP-ORD

16h 20m1 stop

$532Delta

Find Deal

Sun, Dec 7 - Wed, Dec 24

7:10 am - 3:20 pmORD-OTP

24h 10m2 stops

6:05 am - 7:50 pmOTP-ORD

21h 45m2 stops

$533Air Canada

Find Deal

Sun, Mar 29 - Tue, Apr 14

1:14 pm - 3:25 pmMDW-OTP

18h 11m2 stops

6:00 am - 5:26 pmOTP-MDW

19h 26m2 stops

$893KLM

Find Deal

Mon, Dec 8 - Mon, Dec 22

British Airways flights from Chicago to Bucharest

Our best British Airways deals on Chicago to Bucharest flight tickets

British Airways

Mar 30

ORD7:05 pmChicago O'Hare Intl

14h 20m

1 stop

OTP5:25 pmBucharest Otopeni Intl

Apr 14

OTP8:25 amBucharest Otopeni Intl

15h 30m

1 stop

ORD3:55 pmChicago O'Hare Intl

$530

Find similar

British Airways

Mar 28

ORD9:15 pmChicago O'Hare Intl

19h 15m

1 stop

OTP12:30 amBucharest Otopeni Intl

Apr 16

OTP8:25 amBucharest Otopeni Intl

15h 30m

1 stop

ORD3:55 pmChicago O'Hare Intl

$545

Find similar

United Airlines flights from Chicago to Bucharest

Our best United Airlines deals on Chicago to Bucharest flight tickets

United Airlines

Dec 8

ORD9:50 pmChicago O'Hare Intl

12h 45m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Dec 24

OTP2:40 pmBucharest Otopeni Intl

13h 25m

1 stop

ORD8:05 pmChicago O'Hare Intl

$531

Find similar

United Airlines

Mar 29

ORD11:15 amChicago O'Hare Intl

16h 40m

2 stops

OTP11:55 amBucharest Otopeni Intl

Apr 15

OTP6:05 amBucharest Otopeni Intl

16h 45m

1 stop

ORD2:50 pmChicago O'Hare Intl

$536

Find similar

United Airlines

Dec 8

ORD9:50 pmChicago O'Hare Intl

12h 45m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Dec 24

OTP6:05 amBucharest Otopeni Intl

25h 39m

2 stops

ORD11:44 pmChicago O'Hare Intl

$541

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/8

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Mon 12/15

5:55 am-11:10 am

1 stop13h 15m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 1/18

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Sun 2/1

5:55 am-1:10 pm

1 stop15h 15m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/9

4:10 pm-12:30 am

1 stop24h 20m

Bucharest Otopeni Intl

Tue 12/23

1:20 pm-2:00 pm

1 stop32h 40m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/9

4:10 pm-12:30 am

1 stop24h 20m

Bucharest Otopeni Intl

Tue 12/23

1:20 pm-2:00 pm

1 stop32h 40m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/23

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Mon 3/9

9:55 pm-11:05 am

1 stop20h 10m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/30

7:05 pm-5:25 pm

1 stop14h 20m

Bucharest Otopeni Intl

Tue 4/14

8:25 am-3:55 pm

1 stop15h 30m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/8

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 12/24

2:40 pm-8:05 pm

1 stop13h 25m

$531

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 12/7

5:20 pm-10:50 pm

1 stop21h 30m

Bucharest Otopeni Intl

Wed 12/24

6:00 am-2:20 pm

1 stop16h 20m

$532

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/29

7:10 am-3:20 pm

2 stops24h 10m

Bucharest Otopeni Intl

Tue 4/14

6:05 am-7:50 pm

2 stops21h 45m

$533

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 12/8

1:14 pm-3:25 pm

2 stops18h 11m

Bucharest Otopeni Intl

Mon 12/22

6:00 am-5:26 pm

2 stops19h 26m

$893

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, October 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 $569. If you aren’t able to travel to Bucharest during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $599.

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

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

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

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from Chicago to Bucharest in the morning for as low as $694. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Bucharest is in the afternoon when prices are around $911.

How far in advance should I book a flight 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 $737 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 $634 on momondo.

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	$827
Fastest flight time	12h 45m
Direct flights	None

The best flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $827

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

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 13 as of November 2025.
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 100.00% of all bookings.
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 27% of all bookings. The subsequent popular airlines are LOT at 20%, Lufthansa at 13%, and United Airlines at 13%.

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
Scandinavian Airlines	PriceFrom $385	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,059 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights
LOT	PriceFrom $538	Free Cancellation	Rating 7.5 1,140 reviews	Search LOT flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
Lufthansa	PriceFrom $570	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
British Airways	PriceFrom $570	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
United Airlines	PriceFrom $593	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
SWISS	PriceFrom $597	Free Cancellation	Rating 7.5 1,794 reviews	Search SWISS flights
Air France	PriceFrom $618	Free Cancellation	Rating 7.4 1,497 reviews	Search Air France 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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Fly into one of these airports located in Bucharest

Bucharest Otopeni Intl Airport

Cheap flights from Chicago to Bucharest from $250

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 12/31. 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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Filter for what you want

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British Airways flights from Chicago to Bucharest

Our best British Airways deals on Chicago to Bucharest flight tickets

United Airlines flights from Chicago to Bucharest

Our best United Airlines deals on Chicago to Bucharest flight tickets

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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

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?

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

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

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

How have Chicago to Bucharest flight prices changed over time?

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

SWISS is the most popular carrier operating from Chicago to Bucharest

What airlines fly to Bucharest?

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

Istanbul (IST) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Copenhagen (CPH) offer the lowest average round-trip price of $629.

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.

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

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

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

How far is Chicago to Bucharest by plane?

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

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

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

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

What is the most popular plane model from Chicago to Bucharest?

What is the most popular airline 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?

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 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