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Cheap flights from Chicago to Bucharest from $236

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 11/6. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:05 am - 3:50 pmORD-OTP
24h 45m2 stops
Air Canada Logo
5:55 am - 8:00 pmOTP-ORD
22h 05m2 stops
$535Air Canada
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jue., nov. 13 - vie., nov. 21
Turkish Airlines Logo
11:50 am - 8:50 amORD-OTP
13h 00m1 stop
Turkish Airlines Logo
10:10 am - 6:25 pmOTP-ORD
16h 15m1 stop
$536Turkish Airlines
Find Deal
mié., nov. 5 - mié., nov. 12
United Airlines Logo
8:50 am - 6:35 pmORD-OTP
25h 45m2 stops
United Airlines Logo
5:55 am - 8:10 pmOTP-ORD
22h 15m2 stops
$537United Airlines
Find Deal
vie., nov. 28 - vie., dic. 5
United Airlines Logo
6:00 pm - 6:35 pmORD-OTP
16h 35m1 stop
United Airlines Logo
5:50 am - 6:26 pmOTP-ORD
20h 36m2 stops
$542United Airlines
Find Deal
lun., nov. 17 - jue., nov. 27
KLM Logo
1:15 pm - 1:00 pmMDW-OTP
15h 45m2 stops
KLM Logo
8:35 am - 6:18 pmOTP-MDW
17h 43m2 stops
$544KLM
Find Deal
jue., nov. 13 - mié., nov. 26
LOT Logo
9:55 pm - 5:40 pmORD-OTP
11h 45m1 stop
LOT Logo
5:35 am - 8:00 pmOTP-ORD
22h 25m1 stop
$546LOT
Find Deal
mié., nov. 5 - jue., nov. 13
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
Lufthansa Logo
2:50 pm - 8:05 pmOTP-ORD
13h 15m1 stop
$549Lufthansa
Find Deal
lun., nov. 10 - dom., nov. 23
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
LOT Logo
5:35 am - 9:00 pmOTP-ORD
22h 25m1 stop
$556LOT
Find Deal
sáb., nov. 8 - mié., mar. 11
Lufthansa Logo
9:50 pm - 6:35 pmORD-OTP
12h 45m1 stop
Lufthansa Logo
6:05 am - 1:10 pmOTP-ORD
15h 05m2 stops
$557Lufthansa
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jue., nov. 6 - mar., nov. 11
KLM Logo
4:56 pm - 3:25 pmORD-OTP
15h 29m2 stops
KLM Logo
1:55 pm - 12:01 amOTP-ORD
18h 06m2 stops
$583KLM
Find Deal
lun., oct. 27 - jue., nov. 13

KLM flights from Chicago to Bucharest

Our best KLM deals on Chicago to Bucharest flight tickets
KLM
Nov 13
MDW1:15 pmChicago Midway
15h 45m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Nov 26
OTP8:35 amBucharest Otopeni Intl
17h 43m
2 stops
MDW6:18 pmChicago Midway
$544
Find similar
KLM
Oct 27
ORD4:56 pmChicago O'Hare Intl
15h 29m
2 stops
OTP3:25 pmBucharest Otopeni Intl
Nov 13
OTP1:55 pmBucharest Otopeni Intl
18h 06m
2 stops
ORD12:01 amChicago O'Hare Intl
$583
Find similar
KLM
Nov 6
MDW1:08 pmChicago Midway
15h 52m
2 stops
OTP1:00 pmBucharest Otopeni Intl
Nov 11
OTP8:35 amBucharest Otopeni Intl
17h 43m
2 stops
MDW6:18 pmChicago Midway
$883
Find similar

United Airlines flights from Chicago to Bucharest

Our best United Airlines deals on Chicago to Bucharest flight tickets
United Airlines
Nov 28
ORD8:50 amChicago O'Hare Intl
25h 45m
2 stops
OTP6:35 pmBucharest Otopeni Intl
Dec 5
OTP5:55 amBucharest Otopeni Intl
22h 15m
2 stops
ORD8:10 pmChicago O'Hare Intl
$537
Find similar
United Airlines
Nov 17
ORD6:00 pmChicago O'Hare Intl
16h 35m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Nov 27
OTP5:50 amBucharest Otopeni Intl
20h 36m
2 stops
ORD6:26 pmChicago O'Hare Intl
$542
Find similar
United Airlines
Dec 28
ORD8:15 pmChicago O'Hare Intl
43h 40m
2 stops
OTP11:55 pmBucharest Otopeni Intl
Jan 11
OTP2:50 pmBucharest Otopeni Intl
13h 15m
1 stop
ORD8:05 pmChicago O'Hare Intl
$553
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 octubre 16, 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

jue. 11/13

7:05 am-3:50 pm

2 stops24h 45m

Bucharest Otopeni Intl

vie. 11/21

5:55 am-8:00 pm

2 stops22h 05m

$535

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 11/5

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

mié. 11/12

10:10 am-6:25 pm

1 stop16h 15m

$536

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

vie. 11/28

8:50 am-6:35 pm

2 stops25h 45m

Bucharest Otopeni Intl

vie. 12/5

5:55 am-8:10 pm

2 stops22h 15m

$537

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 11/17

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

jue. 11/27

5:50 am-6:26 pm

2 stops20h 36m

$542

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

jue. 11/13

1:15 pm-1:00 pm

2 stops15h 45m

Bucharest Otopeni Intl

mié. 11/26

8:35 am-6:18 pm

2 stops17h 43m

$544

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

mié. 11/5

9:55 pm-5:40 pm

1 stop11h 45m

Bucharest Otopeni Intl

jue. 11/13

5:35 am-8:00 pm

1 stop22h 25m

$546

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 11/10

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

dom. 11/23

2:50 pm-8:05 pm

1 stop13h 15m

$549

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

sáb. 11/8

9:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

mié. 3/11

5:35 am-9:00 pm

1 stop22h 25m

$556

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

jue. 11/6

9:50 pm-6:35 pm

1 stop12h 45m

Bucharest Otopeni Intl

mar. 11/11

6:05 am-1:10 pm

2 stops15h 05m

$557

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

lun. 10/27

4:56 pm-3:25 pm

2 stops15h 29m

Bucharest Otopeni Intl

jue. 11/13

1:55 pm-12:01 am

2 stops18h 06m

$583

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 $599. If you aren’t able to travel to Bucharest during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $601.

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

Our data shows that Friday is the least expensive day to fly to Bucharest. Tickets to fly out on this day can be as low as $773. The most expensive day to fly to Bucharest is Saturday, with ticket prices averaging around $947.

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 in the afternoon when prices are around $911.

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 $713 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 October 2025, prices for Chicago to Bucharest flights are approximately 33% more expensive 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

Best Price Found

$829

Direct flights

None
The best flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $829
There are no direct flights from Chicago to Bucharest. There are no popular flight routes from Chicago to Bucharest.
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 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 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 $385Free CancellationRating
7.4
1,533 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $504Free CancellationRating
7.3
4,010 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
855 reviews
Search Austrian Airlines flights
LufthansaPriceFrom $534Free CancellationRating
6.8
7,497 reviews
Search Lufthansa flights
LOTPriceFrom $538Free CancellationRating
7.6
1,133 reviews
Search LOT flights
British AirwaysPriceFrom $544Free CancellationRating
6.7
7,457 reviews
Search British Airways flights
Air FrancePriceFrom $580Free CancellationRating
7.4
1,476 reviews
Search Air France flights
KLMPriceFrom $582Free CancellationRating
7.7
1,404 reviews
Search KLM flights
SWISSPriceFrom $587Free CancellationRating
7.5
1,772 reviews
Search SWISS flights
United AirlinesPriceFrom $588Free CancellationRating
7.4
8,982 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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sáb. 11/15
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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