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

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

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

Flights via London (LHR) offer the lowest average round-trip price of $575.

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 35% 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 airport is the most popular layover for flights between Chicago and Bucharest?

Istanbul (IST) was the most common stop: 32% of momondo users choosing 1-stop flights on this route connected there.

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 May 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.

$263 Cheap Flights from Chicago to Bucharest in 2026

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Find the cheapest flights from Chicago to Bucharest

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:45 pm - 10:55 pm

ORD

OTP

17h 10m

1 stop

4:35 pm - 1:50 pm

OTP

ORD

29h 15m

1 stop

$724British Airways

Tue, Oct 27 - Thu, Nov 5

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

$728Air Serbia

Wed, Aug 12 - Tue, Oct 13

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

$729Air Serbia

Mon, Aug 10 - Tue, Oct 6

9:40 pm - 6:35 pm

ORD

OTP

12h 55m

1 stop

4:10 pm - 12:35 pm

OTP

ORD

28h 25m

1 stop

$730Multiple Airlines

Mon, Aug 17 - Mon, Aug 24

10:30 am - 2:10 pm

ORD

OTP

19h 40m

2 stops

6:00 am - 2:25 pm

OTP

ORD

16h 25m

1 stop

$733Delta

Sun, Nov 15 - Wed, Nov 18

8:45 am - 6:35 pm

ORD

OTP

25h 50m

2 stops

4:40 pm - 4:20 pm

OTP

ORD

31h 40m

1 stop

$736Multiple Airlines

Mon, Oct 19 - Mon, Nov 2

11:20 pm - 3:20 pm

ORD

OTP

32h 00m

1 stop

4:30 am - 9:15 pm

OTP

ORD

24h 45m

1 stop

$738Air Serbia

Sat, Aug 22 - Sat, Sep 5

4:40 pm - 3:05 am

ORD

OTP

26h 25m

1 stop

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

$739Air Serbia

Wed, Aug 26 - Sun, Sep 6

7:15 am - 3:50 pm

ORD

OTP

24h 35m

2 stops

6:30 am - 8:10 pm

OTP

ORD

21h 40m

2 stops

$741Air Canada

Sun, Nov 15 - Wed, Nov 18

1:27 pm - 1:40 pm

MDW

OTP

16h 13m

2 stops

7:05 am - 6:05 pm

OTP

MDW

19h 00m

2 stops

$796Delta

Wed, Aug 19 - Wed, Sep 2

SWISS flights from Chicago to Bucharest

Our best SWISS deals on Chicago to Bucharest flight tickets

SWISS

Oct 22

ORD7:05 pmChicago O'Hare Intl

12h 15m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Nov 5

OTP6:30 amBucharest Otopeni Intl

14h 10m

1 stop

ORD12:40 pmChicago O'Hare Intl

$745

SWISS

Aug 11

ORD7:05 pmChicago O'Hare Intl

12h 15m

1 stop

OTP3:20 pmBucharest Otopeni Intl

Aug 18

OTP4:10 pmBucharest Otopeni Intl

28h 25m

1 stop

ORD12:35 pmChicago O'Hare Intl

$776

SWISS

Jun 7

ORD7:05 pmChicago O'Hare Intl

22h 05m

1 stop

OTP1:10 amBucharest Otopeni Intl

Jun 20

OTP6:20 amBucharest Otopeni Intl

14h 15m

1 stop

ORD12:35 pmChicago O'Hare Intl

$928

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 23

OTP6:15 amBucharest Otopeni Intl

20h 00m

1 stop

ORD6:15 pmChicago O'Hare Intl

$770

Lufthansa

Aug 25

ORD9:40 pmChicago O'Hare Intl

12h 55m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Sep 8

OTP1:50 pmBucharest Otopeni Intl

14h 05m

1 stop

ORD7:55 pmChicago O'Hare Intl

$772

Lufthansa

Aug 26

ORD9:40 pmChicago O'Hare Intl

19h 30m

1 stop

OTP1:10 amBucharest Otopeni Intl

Sep 9

OTP1:45 pmBucharest Otopeni Intl

14h 10m

1 stop

ORD7:55 pmChicago O'Hare Intl

$775

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 10/27

10:45 pm-10:55 pm

1 stop17h 10m

Bucharest Otopeni Intl

Thu 11/5

4:35 pm-1:50 pm

1 stop29h 15m

$724

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/12

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Tue 10/13

4:05 pm-2:30 pm

1 stop30h 25m

$728

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Tue 10/6

4:05 pm-2:30 pm

1 stop30h 25m

$729

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

9:40 pm-6:35 pm

1 stop12h 55m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$730

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/15

10:30 am-2:10 pm

2 stops19h 40m

Bucharest Otopeni Intl

Wed 11/18

6:00 am-2:25 pm

1 stop16h 25m

$733

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 10/19

8:45 am-6:35 pm

2 stops25h 50m

Bucharest Otopeni Intl

Mon 11/2

4:40 pm-4:20 pm

1 stop31h 40m

$736

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/22

11:20 pm-3:20 pm

1 stop32h 00m

Bucharest Otopeni Intl

Sat 9/5

4:30 am-9:15 pm

1 stop24h 45m

$738

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 8/26

4:40 pm-3:05 am

1 stop26h 25m

Bucharest Otopeni Intl

Sun 9/6

4:05 pm-2:30 pm

1 stop30h 25m

$739

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/15

7:15 am-3:50 pm

2 stops24h 35m

Bucharest Otopeni Intl

Wed 11/18

6:30 am-8:10 pm

2 stops21h 40m

$741

Quickest round-trip

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 8/19

1:27 pm-1:40 pm

2 stops16h 13m

Bucharest Otopeni Intl

Wed 9/2

7:05 am-6:05 pm

2 stops19h 00m

$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

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 $721 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.

Can stopping save me money on Chicago to Bucharest flights?

You could potentially save up to 5% on your flight if you consider stops on a Chicago to Bucharest flight.

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 15m
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 $867.

The fastest flight from Chicago to Bucharest takes 12h 15m

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 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 11 as of May 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 91.08% of all bookings. The subsequent popular model is Airbus A330-200 at 8.92%.
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 28% of all bookings. The subsequent popular airlines are HiSky at 19%, LOT at 19%, and United Airlines at 18%.

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 9,749 reviews	Search United Airlines flights
British Airways	PriceFrom $440	Free Cancellation	Rating 6.7 8,005 reviews	Search British Airways flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,393 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $535	Free Cancellation	Rating 6.8 8,029 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.1 227 reviews	Search Air Serbia flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,521 reviews	Search KLM flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,591 reviews	Search Air France flights
SWISS	PriceFrom $569	Free Cancellation	Rating 7.5 1,958 reviews	Search SWISS flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,426 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,194 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 $263

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 6/21. 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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SWISS flights from Chicago to Bucharest

Our best SWISS deals on Chicago to Bucharest flight tickets

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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?

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

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List of cabin classes available on flights landing in Bucharest. Availability may vary depending on flight origin and airline.

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