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Cheap flights from Chicago to Bucharest from $245

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 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

LOT Logo
10:55 pm - 11:15 pmORD-OTP
17h 20m1 stop
LOT Logo
5:35 am - 9:00 pmOTP-ORD
22h 25m1 stop
$530LOT
Find Deal
Sat, Mar 14 - Sat, Mar 21
Logo
6:50 pm - 3:50 pmORD-OTP
13h 00m1 stop
Logo
1:05 pm - 6:25 pmOTP-ORD
13h 20m1 stop
$532
Find Deal
Wed, Dec 3 - Tue, Dec 16
Logo
1:00 pm - 12:30 pmORD-OTP
15h 30m2 stops
Logo
6:30 am - 4:20 pmOTP-ORD
17h 50m1 stop
$533
Find Deal
Tue, Nov 4 - Tue, Nov 18
British Airways Logo
9:45 pm - 7:35 pmORD-OTP
13h 50m1 stop
British Airways Logo
8:00 am - 6:45 pmOTP-ORD
18h 45m1 stop
$541British Airways
Find Deal
Sun, Nov 30 - Thu, Dec 18
British Airways Logo
5:10 pm - 7:35 pmORD-OTP
18h 25m1 stop
British Airways Logo
8:25 pm - 1:50 pmOTP-ORD
25h 25m1 stop
$553British Airways
Find Deal
Sun, Nov 30 - Mon, Dec 15
Air Canada Logo
2:00 pm - 2:10 pmORD-OTP
16h 10m2 stops
Air Canada Logo
5:55 am - 2:55 pmOTP-ORD
17h 00m2 stops
$558Air Canada
Find Deal
Fri, Nov 7 - Fri, Nov 14
United Airlines Logo
1:05 pm - 2:00 pmORD-OTP
16h 55m2 stops
United Airlines Logo
5:55 am - 3:20 pmOTP-ORD
17h 25m1 stop
$560United Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 16
Air Canada Logo
7:15 am - 3:45 pmORD-OTP
24h 30m2 stops
Air Canada Logo
6:30 am - 8:00 pmOTP-ORD
21h 30m2 stops
$561Air Canada
Find Deal
Tue, Dec 2 - Tue, Dec 16
United Airlines Logo
11:15 am - 1:55 pmORD-OTP
18h 40m2 stops
United Airlines Logo
6:05 am - 3:20 pmOTP-ORD
17h 15m1 stop
$564United Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 17
American Airlines Logo
11:50 am - 3:10 pmORD-OTP
19h 20m2 stops
American Airlines Logo
8:00 am - 7:20 pmOTP-ORD
19h 20m2 stops
$573American Airlines
Find Deal
Fri, Jan 9 - Fri, Jan 16

Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets
Delta
Oct 28
MDW10:35 amChicago Midway
18h 30m
2 stops
OTP12:05 pmBucharest Otopeni Intl
Nov 4
OTP6:05 amBucharest Otopeni Intl
20h 20m
2 stops
MDW6:25 pmChicago Midway
$585
Find similar
Delta
Dec 5
ORD7:10 amChicago O'Hare Intl
22h 40m
2 stops
OTP1:50 pmBucharest Otopeni Intl
Dec 17
OTP6:05 amBucharest Otopeni Intl
17h 05m
1 stop
ORD3:10 pmChicago O'Hare Intl
$590
Find similar
Delta
Nov 14
MDW1:14 pmChicago Midway
16h 36m
2 stops
OTP1:50 pmBucharest Otopeni Intl
Nov 21
OTP6:05 amBucharest Otopeni Intl
20h 03m
2 stops
MDW6:08 pmChicago Midway
$600
Find similar

LOT flights from Chicago to Bucharest

Our best LOT deals on Chicago to Bucharest flight tickets
LOT
Mar 14
ORD10:55 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:15 pmBucharest Otopeni Intl
Mar 21
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$530
Find similar
LOT
Oct 16
ORD5:10 pmChicago O'Hare Intl
22h 00m
2 stops
OTP11:10 pmBucharest Otopeni Intl
Nov 1
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$535
Find similar
LOT
Oct 16
ORD5:10 pmChicago O'Hare Intl
22h 00m
2 stops
OTP11:10 pmBucharest Otopeni Intl
Nov 1
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD9:00 pmChicago O'Hare Intl
$536
Find similar

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 September 15, 2025.
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

Sat 3/14

10:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Sat 3/21

5:35 am-9:00 pm

1 stop22h 25m

$530

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Tue 12/16

1:05 pm-6:25 pm

1 stop13h 20m

$532

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 11/4

1:00 pm-12:30 pm

2 stops15h 30m

Bucharest Otopeni Intl

Tue 11/18

6:30 am-4:20 pm

1 stop17h 50m

$533

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

9:45 pm-7:35 pm

1 stop13h 50m

Bucharest Otopeni Intl

Thu 12/18

8:00 am-6:45 pm

1 stop18h 45m

$541

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 11/30

5:10 pm-7:35 pm

1 stop18h 25m

Bucharest Otopeni Intl

Mon 12/15

8:25 pm-1:50 pm

1 stop25h 25m

$553

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 11/7

2:00 pm-2:10 pm

2 stops16h 10m

Bucharest Otopeni Intl

Fri 11/14

5:55 am-2:55 pm

2 stops17h 00m

$558

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 12/3

1:05 pm-2:00 pm

2 stops16h 55m

Bucharest Otopeni Intl

Tue 12/16

5:55 am-3:20 pm

1 stop17h 25m

$560

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

7:15 am-3:45 pm

2 stops24h 30m

Bucharest Otopeni Intl

Tue 12/16

6:30 am-8:00 pm

2 stops21h 30m

$561

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 12/2

11:15 am-1:55 pm

2 stops18h 40m

Bucharest Otopeni Intl

Wed 12/17

6:05 am-3:20 pm

1 stop17h 15m

$564

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/9

11:50 am-3:10 pm

2 stops19h 20m

Bucharest Otopeni Intl

Fri 1/16

8:00 am-7:20 pm

2 stops19h 20m

$573

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, February 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 $588. If you aren’t able to travel to Bucharest during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $616.

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 $748. The most expensive day to fly to Bucharest is Sunday, with ticket prices averaging around $991.

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 at noon when prices are around $1,070.

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 $722 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?

As of September 2025, prices for Chicago to Bucharest flights are approximately 18% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from Chicago to Bucharest. There are no popular flight routes from Chicago to Bucharest.
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  • 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 11h 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?

  • 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 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 $385Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
850 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
LOTPriceFrom $538Free CancellationRating
7.6
1,114 reviews
Search LOT flights
British AirwaysPriceFrom $544Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Air FrancePriceFrom $580Free CancellationRating
7.4
1,469 reviews
Search Air France flights
KLMPriceFrom $582Free CancellationRating
7.8
1,385 reviews
Search KLM flights
SWISSPriceFrom $587Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
8,929 reviews
Search United Airlines 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