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Cheap flights from Chicago to Bucharest from $183

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 3/15. 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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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:20 pm - 12:30 pm
ORD
-
OTP
12h 10m
1 stop
United Airlines Logo
7:10 pm - 2:00 pm
OTP
-
ORD
26h 50m
1 stop
$522United Airlines
Fri, Feb 13 - Thu, Feb 26
Lufthansa Logo
9:50 pm - 1:05 am
ORD
-
OTP
19h 15m
1 stop
Lufthansa Logo
1:05 pm - 6:25 pm
OTP
-
ORD
13h 20m
1 stop
$524Lufthansa
Wed, Feb 11 - Sat, Feb 28
Lufthansa Logo
3:35 pm - 6:35 pm
ORD
-
OTP
19h 00m
1 stop
Lufthansa Logo
6:15 am - 6:15 pm
OTP
-
ORD
20h 00m
1 stop
$526Lufthansa
Fri, May 1 - Mon, Jun 1
Multiple Airlines Logo
7:05 pm - 3:20 pm
ORD
-
OTP
12h 15m
1 stop
Multiple Airlines Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$527Multiple Airlines
Tue, Jul 14 - Fri, Aug 21
Air Canada Logo
2:00 pm - 3:50 pm
ORD
-
OTP
17h 50m
2 stops
Air Canada Logo
5:55 am - 8:50 am
OTP
-
ORD
34h 55m
2 stops
$530Air Canada
Wed, Mar 4 - Sun, Mar 8
United Airlines Logo
7:15 am - 6:40 pm
ORD
-
OTP
28h 25m
2 stops
United Airlines Logo
6:55 pm - 1:20 pm
OTP
-
ORD
26h 25m
1 stop
$532United Airlines
Thu, Mar 26 - Mon, Apr 6
Air Canada Logo
10:35 am - 3:50 pm
ORD
-
OTP
21h 15m
2 stops
Air Canada Logo
5:55 am - 8:10 pm
OTP
-
ORD
22h 15m
2 stops
$534Air Canada
Sun, Feb 8 - Sat, Feb 28
British Airways Logo
9:45 pm - 11:45 pm
ORD
-
OTP
18h 00m
1 stop
British Airways Logo
8:05 am - 6:45 pm
OTP
-
ORD
18h 40m
1 stop
$535British Airways
Sat, Feb 14 - Sat, Feb 28
KLM Logo
1:26 pm - 1:00 pm
MDW
-
OTP
15h 34m
2 stops
KLM Logo
8:35 am - 5:37 pm
OTP
-
MDW
17h 02m
2 stops
$578KLM
Sun, Feb 1 - Tue, Feb 17
KLM Logo
1:29 pm - 1:00 pm
MDW
-
OTP
15h 31m
2 stops
KLM Logo
8:35 am - 5:37 pm
OTP
-
MDW
17h 02m
2 stops
$885KLM
Thu, Feb 12 - Tue, Feb 24

United Airlines flights from Chicago to Bucharest

Our best United Airlines deals on Chicago to Bucharest flight tickets
United Airlines
Feb 13
ORD4:20 pmChicago O'Hare Intl
12h 10m
1 stop
OTP12:30 pmBucharest Otopeni Intl
Feb 26
OTP7:10 pmBucharest Otopeni Intl
26h 50m
1 stop
ORD2:00 pmChicago O'Hare Intl
$522
United Airlines
Mar 26
ORD7:15 amChicago O'Hare Intl
28h 25m
2 stops
OTP6:40 pmBucharest Otopeni Intl
Apr 6
OTP6:55 pmBucharest Otopeni Intl
26h 25m
1 stop
ORD1:20 pmChicago O'Hare Intl
$532
United Airlines
Mar 20
ORD8:00 amChicago O'Hare Intl
23h 10m
2 stops
OTP2:10 pmBucharest Otopeni Intl
Mar 29
OTP6:55 pmBucharest Otopeni Intl
36h 48m
2 stops
ORD11:43 pmChicago O'Hare Intl
$597

Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets
Lufthansa
Feb 11
ORD9:50 pmChicago O'Hare Intl
19h 15m
1 stop
OTP1:05 amBucharest Otopeni Intl
Feb 28
OTP1:05 pmBucharest Otopeni Intl
13h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
$524
Lufthansa
May 1
ORD3:35 pmChicago O'Hare Intl
19h 00m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Jun 1
OTP6:15 amBucharest Otopeni Intl
20h 00m
1 stop
ORD6:15 pmChicago O'Hare Intl
$526
Lufthansa
Feb 12
ORD4:05 pmChicago O'Hare Intl
14h 00m
1 stop
OTP2:05 pmBucharest Otopeni Intl
Feb 25
OTP6:05 amBucharest Otopeni Intl
15h 20m
1 stop
ORD1:25 pmChicago O'Hare Intl
$538

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Bucharest that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Chicago to Bucharest that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 2/13

4:20 pm-12:30 pm

1 stop12h 10m

Bucharest Otopeni Intl

Thu 2/26

7:10 pm-2:00 pm

1 stop26h 50m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/11

9:50 pm-1:05 am

1 stop19h 15m

Bucharest Otopeni Intl

Sat 2/28

1:05 pm-6:25 pm

1 stop13h 20m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 5/1

3:35 pm-6:35 pm

1 stop19h 00m

Bucharest Otopeni Intl

Mon 6/1

6:15 am-6:15 pm

1 stop20h 00m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 7/14

7:05 pm-3:20 pm

1 stop12h 15m

Bucharest Otopeni Intl

Fri 8/21

6:05 am-12:55 pm

1 stop14h 50m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 3/4

2:00 pm-3:50 pm

2 stops17h 50m

Bucharest Otopeni Intl

Sun 3/8

5:55 am-8:50 am

2 stops34h 55m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 3/26

7:15 am-6:40 pm

2 stops28h 25m

Bucharest Otopeni Intl

Mon 4/6

6:55 pm-1:20 pm

1 stop26h 25m

$532

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 2/8

10:35 am-3:50 pm

2 stops21h 15m

Bucharest Otopeni Intl

Sat 2/28

5:55 am-8:10 pm

2 stops22h 15m

$534

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sat 2/14

9:45 pm-11:45 pm

1 stop18h 00m

Bucharest Otopeni Intl

Sat 2/28

8:05 am-6:45 pm

1 stop18h 40m

$535

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sun 2/1

1:26 pm-1:00 pm

2 stops15h 34m

Bucharest Otopeni Intl

Tue 2/17

8:35 am-5:37 pm

2 stops17h 02m

$578

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 2/12

1:29 pm-1:00 pm

2 stops15h 31m

Bucharest Otopeni Intl

Tue 2/24

8:35 am-5:37 pm

2 stops17h 02m

$885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bucharest from

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?

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 $543. 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 $586.

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

Our data shows that Monday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $829. The most expensive day to fly to Bucharest is Tuesday, with ticket prices averaging around $952.

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 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 $728 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 $605 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?

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

$429

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 $429. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $836.
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

  • 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $326Free CancellationRating
7.3
1,658 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,198 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
894 reviews
Search Austrian Airlines flights
KLMPriceFrom $541Free CancellationRating
7.7
1,442 reviews
Search KLM flights
LOTPriceFrom $562Free CancellationRating
7.5
1,174 reviews
Search LOT flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,733 reviews
Search Lufthansa flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,524 reviews
Search Air France flights
British AirwaysPriceFrom $570Free CancellationRating
6.7
7,690 reviews
Search British Airways flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,080 reviews
Search Delta flights
SWISSPriceFrom $586Free CancellationRating
7.5
1,855 reviews
Search SWISS flights

Traveling to a place near Bucharest?

Book flights to Bucharest if you plan to visit one of these locations
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.

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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
Bucharest Otopeni Intl Airport