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

Air Serbia, SWISS, and Lufthansa are the most popular carriers operating from Chicago to Bucharest

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 offers the lowest fares from Chicago to Bucharest?

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

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 has the shortest travel time from Chicago to Bucharest?

Flights connecting via Warsaw (WAW) have the shortest average one-way travel time: 11h 55m.

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 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.

$261 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 $575 to $707. The lowest price recently found on this route was $529.

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8:20 pm - 2:10 pmORD-OTP

33h 50m1 stop

9:50 pm - 6:25 pmOTP-ORD

28h 35m1 stop

$529Turkish Airlines

Find Deal

Fri, Feb 13 - Fri, Feb 20

6:50 pm - 3:45 pmORD-OTP

12h 55m1 stop

2:45 pm - 8:05 pmOTP-ORD

13h 20m1 stop

$534Multiple Airlines

Find Deal

Tue, Dec 2 - Thu, Dec 11

7:05 pm - 1:05 amORD-OTP

22h 00m1 stop

1:50 pm - 7:55 pmOTP-ORD

14h 05m1 stop

$535Multiple Airlines

Find Deal

Sat, Apr 11 - Sat, Apr 25

12:50 pm - 8:50 amORD-OTP

13h 00m1 stop

9:45 pm - 9:40 amOTP-ORD

19h 55m1 stop

$538Turkish Airlines

Find Deal

Mon, Mar 16 - Mon, Mar 30

12:50 pm - 6:35 pmORD-OTP

22h 45m2 stops

1:50 pm - 7:55 pmOTP-ORD

14h 05m1 stop

$540Multiple Airlines

Find Deal

Mon, Mar 16 - Mon, Mar 30

12:50 pm - 6:35 pmORD-OTP

21h 45m2 stops

2:50 pm - 8:05 pmOTP-ORD

13h 15m1 stop

$541Multiple Airlines

Find Deal

Mon, Nov 24 - Mon, Dec 8

11:25 am - 2:35 pmORD-OTP

19h 10m1 stop

9:45 pm - 9:40 amOTP-ORD

19h 55m1 stop

$547Turkish Airlines

Find Deal

Tue, May 12 - Tue, May 19

10:35 am - 12:10 pmMDW-OTP

17h 35m2 stops

7:00 am - 6:34 pmOTP-MDW

19h 34m2 stops

$576Delta

Find Deal

Tue, Mar 31 - Tue, Apr 7

10:46 am - 12:05 pmMDW-OTP

17h 19m2 stops

6:00 am - 4:16 pmOTP-MDW

18h 16m2 stops

$577Delta

Find Deal

Sat, Jan 24 - Sat, Feb 7

1:00 pm - 5:20 pmMDW-OTP

20h 20m2 stops

1:50 pm - 6:34 pmOTP-MDW

36h 44m2 stops

$580Delta

Find Deal

Thu, Apr 2 - Mon, Apr 6

Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets

Delta

Nov 23

ORD5:20 pmChicago O'Hare Intl

21h 30m

1 stop

OTP10:50 pmBucharest Otopeni Intl

Dec 6

OTP1:55 pmBucharest Otopeni Intl

32h 25m

1 stop

ORD2:20 pmChicago O'Hare Intl

$563

Find similar

Delta

Nov 30

ORD5:20 pmChicago O'Hare Intl

34h 45m

1 stop

OTP12:05 pmBucharest Otopeni Intl

Dec 13

OTP6:00 amBucharest Otopeni Intl

16h 20m

1 stop

ORD2:20 pmChicago O'Hare Intl

$565

Find similar

Delta

Mar 31

ORD10:40 amChicago O'Hare Intl

17h 30m

2 stops

OTP12:10 pmBucharest Otopeni Intl

Apr 5

OTP1:50 pmBucharest Otopeni Intl

32h 30m

1 stop

ORD2:20 pmChicago O'Hare Intl

$566

Find similar

British Airways flights from Chicago to Bucharest

Our best British Airways deals on Chicago to Bucharest flight tickets

British Airways

Mar 29

ORD7:05 pmChicago O'Hare Intl

21h 40m

1 stop

OTP12:45 amBucharest Otopeni Intl

Apr 7

OTP8:25 amBucharest Otopeni Intl

17h 50m

1 stop

ORD6:15 pmChicago O'Hare Intl

$551

Find similar

British Airways

Jan 9

ORD9:45 pmChicago O'Hare Intl

17h 40m

1 stop

OTP11:25 pmBucharest Otopeni Intl

Jan 16

OTP8:00 amBucharest Otopeni Intl

18h 45m

1 stop

ORD6:45 pmChicago O'Hare Intl

$560

Find similar

British Airways

Jan 9

ORD11:44 amChicago O'Hare Intl

19h 26m

2 stops

OTP3:10 pmBucharest Otopeni Intl

Jan 16

OTP8:00 amBucharest Otopeni Intl

17h 42m

2 stops

ORD5:42 pmChicago O'Hare Intl

$581

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 2/13

8:20 pm-2:10 pm

1 stop33h 50m

Bucharest Otopeni Intl

Fri 2/20

9:50 pm-6:25 pm

1 stop28h 35m

$529

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

6:50 pm-3:45 pm

1 stop12h 55m

Bucharest Otopeni Intl

Thu 12/11

2:45 pm-8:05 pm

1 stop13h 20m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 4/11

7:05 pm-1:05 am

1 stop22h 00m

Bucharest Otopeni Intl

Sat 4/25

1:50 pm-7:55 pm

1 stop14h 05m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/16

12:50 pm-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Mon 3/30

9:45 pm-9:40 am

1 stop19h 55m

$538

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/16

12:50 pm-6:35 pm

2 stops22h 45m

Bucharest Otopeni Intl

Mon 3/30

1:50 pm-7:55 pm

1 stop14h 05m

$540

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/24

12:50 pm-6:35 pm

2 stops21h 45m

Bucharest Otopeni Intl

Mon 12/8

2:50 pm-8:05 pm

1 stop13h 15m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 5/12

11:25 am-2:35 pm

1 stop19h 10m

Bucharest Otopeni Intl

Tue 5/19

9:45 pm-9:40 am

1 stop19h 55m

$547

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Tue 3/31

10:35 am-12:10 pm

2 stops17h 35m

Bucharest Otopeni Intl

Tue 4/7

7:00 am-6:34 pm

2 stops19h 34m

$576

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 1/24

10:46 am-12:05 pm

2 stops17h 19m

Bucharest Otopeni Intl

Sat 2/7

6:00 am-4:16 pm

2 stops18h 16m

$577

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 4/2

1:00 pm-5:20 pm

2 stops20h 20m

Bucharest Otopeni Intl

Mon 4/6

1:50 pm-6:34 pm

2 stops36h 44m

$580

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 $738 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
Direct flights	None

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

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 15m, 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 26% of all bookings. The subsequent popular airlines are LOT at 21%, United Airlines at 15%, and Lufthansa 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 1,575 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.3 4,043 reviews	Search Turkish Airlines flights
Austrian Airlines	PriceFrom $517	Free Cancellation	Rating 7.6 868 reviews	Search Austrian Airlines flights
LOT	PriceFrom $538	Free Cancellation	Rating 7.5 1,134 reviews	Search LOT flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,521 reviews	Search British Airways flights
SWISS	PriceFrom $587	Free Cancellation	Rating 7.5 1,784 reviews	Search SWISS flights
Lufthansa	PriceFrom $588	Free Cancellation	Rating 6.8 7,572 reviews	Search Lufthansa flights
United Airlines	PriceFrom $595	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
Air France	PriceFrom $618	Free Cancellation	Rating 7.4 1,487 reviews	Search Air France flights
Air Serbia	PriceFrom $655	Free Cancellation	Rating 6.2 207 reviews	Search Air Serbia 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

Fly to other destinations from Chicago

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Cheap flights from Chicago to Bucharest from $261

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 12/2. 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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Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets

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Our best British Airways 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?

Air Serbia, SWISS, and Lufthansa are the most popular carriers 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 Warsaw (WAW) have the shortest average one-way travel time: 11h 55m.

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

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