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

United Airlines, KLM, and Air Serbia are the most popular carriers operating from Chicago to Bucharest

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

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

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: 31% of momondo users choosing 1-stop flights on this route connected there.

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.

What airlines fly to Bucharest?

Lufthansa, Turkish Airlines and HiSky are the top three most popular airlines that fly to Bucharest from Chicago according to our data. Lufthansa is the first choice among our users, with 38% 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.

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 July 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.

$329 Cheap Flights from Chicago to Bucharest in 2026

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 $801 to $1,214. The lowest price recently found on this route was $784.

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

4:10 pm - 12:35 pm

OTP

ORD

28h 25m

1 stop

$784Multiple Airlines

Tue, Aug 11 - Tue, Aug 18

11:25 am - 8:10 am

ORD

OTP

12h 45m

1 stop

9:35 pm - 9:40 am

OTP

ORD

20h 05m

1 stop

$785Turkish Airlines

Wed, Sep 9 - Tue, Sep 22

1:59 pm - 1:40 pm

ORD

OTP

15h 41m

2 stops

7:05 am - 2:30 pm

OTP

ORD

15h 25m

1 stop

$786Delta

Wed, Aug 12 - Wed, Aug 26

7:25 pm - 1:10 am

ORD

OTP

21h 45m

2 stops

5:35 am - 9:25 pm

OTP

ORD

23h 50m

3 stops

$787Multiple Airlines

Sun, Oct 4 - Wed, Oct 14

11:05 am - 6:35 pm

ORD

OTP

23h 30m

2 stops

4:10 pm - 12:35 pm

OTP

ORD

28h 25m

1 stop

$788Multiple Airlines

Wed, Aug 12 - Tue, Aug 18

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:05 pm - 9:15 pm

OTP

ORD

13h 10m

1 stop

$789Air Serbia

Wed, Sep 2 - Sat, Sep 5

1:00 pm - 2:10 pm

MDW

OTP

17h 10m

2 stops

6:00 am - 6:37 pm

OTP

MDW

20h 37m

2 stops

$791Delta

Mon, Jan 4 - Mon, Jan 18

9:50 pm - 1:45 am

ORD

OTP

19h 55m

1 stop

6:25 pm - 7:55 pm

OTP

ORD

33h 30m

1 stop

$793LOT

Sat, Jan 9 - Sat, Jan 23

6:42 pm - 5:40 pm

MDW

OTP

14h 58m

2 stops

2:00 pm - 10:45 pm

OTP

MDW

16h 45m

2 stops

$848KLM

Mon, Aug 24 - Wed, Sep 9

6:42 pm - 5:40 pm

MDW

OTP

14h 58m

2 stops

8:35 am - 6:01 pm

OTP

MDW

17h 26m

2 stops

$850KLM

Thu, Aug 6 - Tue, Aug 25

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Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets

Delta

Aug 12

ORD1:59 pmChicago O'Hare Intl

15h 41m

2 stops

OTP1:40 pmBucharest Otopeni Intl

Aug 26

OTP7:05 amBucharest Otopeni Intl

15h 25m

1 stop

ORD2:30 pmChicago O'Hare Intl

$786

Delta

Nov 13

ORD9:30 amChicago O'Hare Intl

20h 40m

2 stops

OTP2:10 pmBucharest Otopeni Intl

Nov 27

OTP6:00 amBucharest Otopeni Intl

23h 33m

2 stops

ORD9:33 pmChicago O'Hare Intl

$792

Delta

Aug 12

ORD10:30 amChicago O'Hare Intl

19h 10m

2 stops

OTP1:40 pmBucharest Otopeni Intl

Aug 26

OTP7:05 amBucharest Otopeni Intl

19h 44m

2 stops

ORD6:49 pmChicago O'Hare Intl

$795

Turkish Airlines flights from Chicago to Bucharest

Our best Turkish Airlines deals on Chicago to Bucharest flight tickets

Turkish Airlines

Sep 9

ORD11:25 amChicago O'Hare Intl

12h 45m

1 stop

OTP8:10 amBucharest Otopeni Intl

Sep 22

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$785

Turkish Airlines

Sep 2

ORD8:10 pmChicago O'Hare Intl

16h 05m

1 stop

OTP8:15 pmBucharest Otopeni Intl

Sep 16

OTP3:55 pmBucharest Otopeni Intl

25h 45m

1 stop

ORD9:40 amChicago O'Hare Intl

$790

Turkish Airlines

Sep 5

ORD8:10 pmChicago O'Hare Intl

34h 25m

1 stop

OTP2:35 pmBucharest Otopeni Intl

Sep 17

OTP9:35 pmBucharest Otopeni Intl

20h 05m

1 stop

ORD9:40 amChicago O'Hare Intl

$791

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 8/11

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Tue 8/18

4:10 pm-12:35 pm

1 stop28h 25m

$784

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/9

11:25 am-8:10 am

1 stop12h 45m

Bucharest Otopeni Intl

Tue 9/22

9:35 pm-9:40 am

1 stop20h 05m

$785

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

1:59 pm-1:40 pm

2 stops15h 41m

Bucharest Otopeni Intl

Wed 8/26

7:05 am-2:30 pm

1 stop15h 25m

$786

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 10/4

7:25 pm-1:10 am

2 stops21h 45m

Bucharest Otopeni Intl

Wed 10/14

5:35 am-9:25 pm

3 stops23h 50m

$787

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

11:05 am-6:35 pm

2 stops23h 30m

Bucharest Otopeni Intl

Tue 8/18

4:10 pm-12:35 pm

1 stop28h 25m

$788

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 9/2

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Sat 9/5

4:05 pm-9:15 pm

1 stop13h 10m

$789

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 1/4

1:00 pm-2:10 pm

2 stops17h 10m

Bucharest Otopeni Intl

Mon 1/18

6:00 am-6:37 pm

2 stops20h 37m

$791

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 1/9

9:50 pm-1:45 am

1 stop19h 55m

Bucharest Otopeni Intl

Sat 1/23

6:25 pm-7:55 pm

1 stop33h 30m

$793

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 8/24

6:42 pm-5:40 pm

2 stops14h 58m

Bucharest Otopeni Intl

Wed 9/9

2:00 pm-10:45 pm

2 stops16h 45m

$848

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 8/6

6:42 pm-5:40 pm

2 stops14h 58m

Bucharest Otopeni Intl

Tue 8/25

8:35 am-6:01 pm

2 stops17h 26m

$850

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 $741 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 3 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.

Can stopping save me money on Chicago to Bucharest flights?

No. A direct flight is the cheapest option for a flight between Chicago to Bucharest.

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	$478
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Bucharest from Chicago in the past 72 hours is $478. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $932.

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 July 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 83.33% of all bookings. The subsequent popular model is Airbus A330-200 at 16.67%.
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 22% of all bookings. The subsequent popular airlines are Lufthansa at 17%, HiSky at 17%, and LOT at 16%.

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 9,990 reviews	Search United Airlines flights
British Airways	PriceFrom $418	Free Cancellation	Rating 6.7 8,113 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $503	Free Cancellation	Rating 7.4 4,445 reviews	Search Turkish Airlines flights
Air France	PriceFrom $510	Free Cancellation	Rating 7.5 1,627 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 1,539 reviews	Search KLM flights
Lufthansa	PriceFrom $553	Free Cancellation	Rating 6.8 8,133 reviews	Search Lufthansa flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 2,004 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.8 8,467 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,210 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

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Cheap flights from Chicago to Bucharest from $329

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 9/20. 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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Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets

Turkish Airlines flights from Chicago to Bucharest

Our best Turkish Airlines deals on Chicago to Bucharest flight tickets

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Use the filters below to find and compare flights from Chicago to Bucharest that are best for you.

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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?

Can stopping save me money 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.

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

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