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

Istanbul (IST) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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

American Airlines, United Airlines, and Delta are the most popular carriers operating from Chicago to Bucharest

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?

Warsaw (WAW) has the shortest average layover time for this route: 1h 28m.

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 36% of people opting to fly with this airline when traveling to Bucharest. Keep in mind that there are 12 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 London (LHR) offer the lowest average round-trip price of $575.

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 12 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.

$316 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 $1,225 to $908. The lowest price recently found on this route was $679.

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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.

11:20 pm - 3:05 am

ORD

OTP

19h 45m

1 stop

4:30 am - 2:30 pm

OTP

ORD

18h 00m

1 stop

$679Air Serbia

Sat, Aug 29 - Mon, Sep 14

4:40 pm - 3:20 pm

ORD

OTP

14h 40m

1 stop

4:30 am - 2:30 pm

OTP

ORD

18h 00m

1 stop

$680Air Serbia

Mon, Aug 17 - Mon, Sep 14

11:20 pm - 3:05 am

ORD

OTP

19h 45m

1 stop

4:05 pm - 2:30 pm

OTP

ORD

30h 25m

1 stop

$681Air Serbia

Sat, Sep 5 - Tue, Sep 22

2:25 pm - 11:50 pm

ORD

OTP

25h 25m

2 stops

6:40 am - 2:00 pm

OTP

ORD

15h 20m

1 stop

$694Austrian Airlines

Wed, Nov 4 - Wed, Nov 18

4:20 pm - 11:50 pm

ORD

OTP

23h 30m

1 stop

6:40 am - 2:00 pm

OTP

ORD

15h 20m

1 stop

$704Austrian Airlines

Wed, Nov 4 - Wed, Nov 18

9:50 pm - 6:35 pm

ORD

OTP

12h 45m

1 stop

6:05 am - 1:10 pm

OTP

ORD

15h 05m

1 stop

$706Lufthansa

Mon, Nov 2 - Wed, Nov 11

8:45 am - 3:20 pm

ORD

OTP

22h 35m

2 stops

4:10 pm - 12:35 pm

OTP

ORD

28h 25m

1 stop

$707Multiple Airlines

Mon, Aug 10 - Mon, Aug 24

2:00 pm - 3:50 pm

ORD

OTP

17h 50m

2 stops

2:50 pm - 8:05 pm

OTP

ORD

13h 15m

1 stop

$713Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

9:24 am - 1:40 pm

MDW

OTP

20h 16m

2 stops

7:05 am - 6:31 pm

OTP

MDW

19h 26m

2 stops

$796Delta

Tue, Aug 25 - Fri, Sep 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

$797Delta

Wed, Aug 19 - Wed, Sep 2

SWISS flights from Chicago to Bucharest

Our best SWISS deals on Chicago to Bucharest flight tickets

SWISS

Nov 3

ORD6:50 pmChicago O'Hare Intl

13h 00m

1 stop

OTP3:50 pmBucharest Otopeni Intl

Nov 17

OTP4:40 pmBucharest Otopeni Intl

31h 40m

1 stop

ORD4:20 pmChicago O'Hare Intl

$717

SWISS

Aug 10

ORD7:05 pmChicago O'Hare Intl

22h 05m

1 stop

OTP1:10 amBucharest Otopeni Intl

Aug 24

OTP4:10 pmBucharest Otopeni Intl

28h 25m

1 stop

ORD12:35 pmChicago O'Hare Intl

$719

SWISS

Nov 6

ORD6:50 pmChicago O'Hare Intl

13h 00m

1 stop

OTP3:50 pmBucharest Otopeni Intl

Nov 20

OTP6:30 amBucharest Otopeni Intl

17h 50m

1 stop

ORD4:20 pmChicago O'Hare Intl

$746

Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets

Lufthansa

Aug 5

ORD9:40 pmChicago O'Hare Intl

12h 55m

1 stop

OTP6:35 pmBucharest Otopeni Intl

Aug 19

OTP7:20 pmBucharest Otopeni Intl

25h 15m

1 stop

ORD12:35 pmChicago O'Hare Intl

$730

Lufthansa

Aug 6

ORD9:40 pmChicago O'Hare Intl

19h 30m

1 stop

OTP1:10 amBucharest Otopeni Intl

Aug 20

OTP6:15 amBucharest Otopeni Intl

14h 20m

1 stop

ORD12:35 pmChicago O'Hare Intl

$748

Lufthansa

May 10

ORD9:40 pmChicago O'Hare Intl

19h 30m

1 stop

OTP1:10 amBucharest Otopeni Intl

May 25

OTP12:45 pmBucharest Otopeni Intl

13h 30m

1 stop

ORD6:15 pmChicago O'Hare Intl

$857

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 8/29

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$679

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/17

4:40 pm-3:20 pm

1 stop14h 40m

Bucharest Otopeni Intl

Mon 9/14

4:30 am-2:30 pm

1 stop18h 00m

$680

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 9/5

11:20 pm-3:05 am

1 stop19h 45m

Bucharest Otopeni Intl

Tue 9/22

4:05 pm-2:30 pm

1 stop30h 25m

$681

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 11/4

2:25 pm-11:50 pm

2 stops25h 25m

Bucharest Otopeni Intl

Wed 11/18

6:40 am-2:00 pm

1 stop15h 20m

$694

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 11/4

4:20 pm-11:50 pm

1 stop23h 30m

Bucharest Otopeni Intl

Wed 11/18

6:40 am-2:00 pm

1 stop15h 20m

$704

Quickest round-trip

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 11/2

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

Wed 11/11

6:05 am-1:10 pm

1 stop15h 05m

$706

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 8/10

8:45 am-3:20 pm

2 stops22h 35m

Bucharest Otopeni Intl

Mon 8/24

4:10 pm-12:35 pm

1 stop28h 25m

$707

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/3

2:00 pm-3:50 pm

2 stops17h 50m

Bucharest Otopeni Intl

Tue 11/17

2:50 pm-8:05 pm

1 stop13h 15m

$713

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Tue 8/25

9:24 am-1:40 pm

2 stops20h 16m

Bucharest Otopeni Intl

Fri 9/18

7:05 am-6:31 pm

2 stops19h 26m

$796

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

$797

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 Sunday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $843. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $937.

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.

Can stopping save me money on Chicago to Bucharest flights?

You could potentially save up to 6% 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	$443
Fastest flight time	9h 50m
Direct flights	Mon and Fri
Airports in Bucharest	2 airports

The best one-way flight to Bucharest from Chicago in the past 72 hours is $443. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $824.

The fastest flight from Chicago to Bucharest takes 9h 50m

Direct flights go from Chicago to Bucharest on Monday and Friday. The only airline offering direct flights is HiSky.

There are 2 airports in Bucharest. From Chicago there are direct flights to Bucharest Otopeni Intl (OTP).

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 9h 50m, 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 12 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 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 28% of all bookings. The subsequent popular airlines are LOT at 19%, United Airlines at 17%, and Lufthansa 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 9,695 reviews	Search United Airlines flights
British Airways	PriceFrom $440	Free Cancellation	Rating 6.7 7,964 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $443	Free Cancellation	Rating 7.4 1,771 reviews	Search Scandinavian Airlines flights
Turkish Airlines	PriceFrom $504	Free Cancellation	Rating 7.4 4,357 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $534	Free Cancellation	Rating 6.8 7,985 reviews	Search Lufthansa flights
Air Serbia	PriceFrom $537	Free Cancellation	Rating 6.2 222 reviews	Search Air Serbia flights
KLM	PriceFrom $539	Free Cancellation	Rating 7.8 1,513 reviews	Search KLM flights
Air France	PriceFrom $569	Free Cancellation	Rating 7.4 1,585 reviews	Search Air France flights
Delta	PriceFrom $575	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
LOT	PriceFrom $586	Free Cancellation	Rating 7.5 1,190 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 $316

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 8/19. 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?

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

Airports in Bucharest

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.

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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

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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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