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Cheap flights from Chicago to Bucharest from $246

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 1/9. 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

Enter your travel dates to find the best prices.
SWISS Logo
6:50 pm - 3:50 pm
ORD
-
OTP
13h 00m1 stop
SWISS Logo
6:30 am - 1:45 pm
OTP
-
ORD
14h 15m1 stop
$520SWISS
Wed, Mar 4 - Wed, Mar 18
SWISS Logo
5:10 pm - 12:30 am
ORD
-
OTP
24h 20m1 stop
SWISS Logo
4:40 pm - 1:45 pm
OTP
-
ORD
28h 05m1 stop
$521SWISS
Mon, Mar 9 - Mon, Mar 16
LOT Logo
9:55 pm - 11:15 pm
ORD
-
OTP
17h 20m1 stop
LOT Logo
5:35 am - 7:55 pm
OTP
-
ORD
22h 20m2 stops
$522LOT
Thu, Jan 15 - Mon, Feb 16
Multiple Airlines Logo
4:38 pm - 3:50 pm
ORD
-
OTP
15h 12m2 stops
Multiple Airlines Logo
6:55 am - 10:42 pm
OTP
-
ORD
23h 47m2 stops
$524Multiple Airlines
Fri, Jan 23 - Fri, Feb 6
SWISS Logo
6:10 pm - 3:45 pm
ORD
-
OTP
37h 35m2 stops
SWISS Logo
6:30 am - 4:20 pm
OTP
-
ORD
17h 50m1 stop
$525SWISS
Mon, Dec 29 - Sat, Feb 28
LOT Logo
9:55 pm - 1:50 pm
ORD
-
OTP
31h 55m1 stop
LOT Logo
8:20 am - 8:00 pm
OTP
-
ORD
19h 40m1 stop
$526LOT
Wed, Feb 11 - Sun, Feb 15
Multiple Airlines Logo
2:00 pm - 1:55 pm
ORD
-
OTP
15h 55m2 stops
Multiple Airlines Logo
5:55 am - 8:10 pm
OTP
-
ORD
21h 15m2 stops
$527Multiple Airlines
Tue, Mar 3 - Tue, Mar 17
Lufthansa Logo
6:00 pm - 6:35 pm
ORD
-
OTP
16h 35m1 stop
Lufthansa Logo
6:05 am - 1:25 pm
OTP
-
ORD
15h 20m1 stop
$528Lufthansa
Mon, Dec 29 - Wed, Feb 25
United Airlines Logo
5:55 pm - 6:35 pm
ORD
-
OTP
16h 40m1 stop
United Airlines Logo
6:05 am - 11:00 am
OTP
-
ORD
12h 55m1 stop
$530United Airlines
Sun, Mar 29 - Wed, Apr 15
KLM Logo
1:28 pm - 1:00 pm
MDW
-
OTP
15h 32m2 stops
KLM Logo
6:00 am - 4:16 pm
OTP
-
MDW
18h 16m2 stops
$583KLM
Sat, Jan 17 - Sat, Jan 24

LOT flights from Chicago to Bucharest

Our best LOT deals on Chicago to Bucharest flight tickets
LOT
Jan 15
ORD9:55 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:15 pmBucharest Otopeni Intl
Feb 16
OTP5:35 amBucharest Otopeni Intl
22h 20m
2 stops
ORD7:55 pmChicago O'Hare Intl
$522
Find similar
LOT
Feb 11
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
Feb 15
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
$526
Find similar
LOT
Mar 3
ORD9:55 pmChicago O'Hare Intl
11h 45m
1 stop
OTP5:40 pmBucharest Otopeni Intl
Mar 15
OTP6:25 pmBucharest Otopeni Intl
33h 30m
2 stops
ORD8:55 pmChicago O'Hare Intl
$532
Find similar

Lufthansa flights from Chicago to Bucharest

Our best Lufthansa deals on Chicago to Bucharest flight tickets
Lufthansa
Dec 29
ORD6:00 pmChicago O'Hare Intl
16h 35m
1 stop
OTP6:35 pmBucharest Otopeni Intl
Feb 25
OTP6:05 amBucharest Otopeni Intl
15h 20m
1 stop
ORD1:25 pmChicago O'Hare Intl
$528
Find similar
Lufthansa
Dec 29
ORD10:35 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:55 pmBucharest Otopeni Intl
Feb 28
OTP6:05 amBucharest Otopeni Intl
20h 20m
1 stop
ORD6:25 pmChicago O'Hare Intl
$633
Find similar
Lufthansa
Jan 4
ORD6:10 pmChicago O'Hare Intl
16h 15m
2 stops
OTP6:25 pmBucharest Otopeni Intl
Jan 18
OTP5:55 amBucharest Otopeni Intl
17h 25m
1 stop
ORD3:20 pmChicago O'Hare Intl
$682
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 December 4, 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

Wed 3/4

6:50 pm-3:50 pm

1 stop13h 00m

Bucharest Otopeni Intl

Wed 3/18

6:30 am-1:45 pm

1 stop14h 15m

$520

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 3/9

5:10 pm-12:30 am

1 stop24h 20m

Bucharest Otopeni Intl

Mon 3/16

4:40 pm-1:45 pm

1 stop28h 05m

$521

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Thu 1/15

9:55 pm-11:15 pm

1 stop17h 20m

Bucharest Otopeni Intl

Mon 2/16

5:35 am-7:55 pm

2 stops22h 20m

$522

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Fri 1/23

4:38 pm-3:50 pm

2 stops15h 12m

Bucharest Otopeni Intl

Fri 2/6

6:55 am-10:42 pm

2 stops23h 47m

$524

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/29

6:10 pm-3:45 pm

2 stops37h 35m

Bucharest Otopeni Intl

Sat 2/28

6:30 am-4:20 pm

1 stop17h 50m

$525

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/11

9:55 pm-1:50 pm

1 stop31h 55m

Bucharest Otopeni Intl

Sun 2/15

8:20 am-8:00 pm

1 stop19h 40m

$526

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Tue 3/3

2:00 pm-1:55 pm

2 stops15h 55m

Bucharest Otopeni Intl

Tue 3/17

5:55 am-8:10 pm

2 stops21h 15m

$527

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 12/29

6:00 pm-6:35 pm

1 stop16h 35m

Bucharest Otopeni Intl

Wed 2/25

6:05 am-1:25 pm

1 stop15h 20m

$528

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 3/29

5:55 pm-6:35 pm

1 stop16h 40m

Bucharest Otopeni Intl

Wed 4/15

6:05 am-11:00 am

1 stop12h 55m

$530

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 1/17

1:28 pm-1:00 pm

2 stops15h 32m

Bucharest Otopeni Intl

Sat 1/24

6:00 am-4:16 pm

2 stops18h 16m

$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 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 $569. 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 $599.

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 $854. 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 $738 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?

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

$854

Fastest flight time

9h 50m

Direct flights

None
The best flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $854
The fastest flight from Chicago to Bucharest takes 9h 50m
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
1,592 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.6
875 reviews
Search Austrian Airlines flights
LOTPriceFrom $538Free CancellationRating
7.5
1,143 reviews
Search LOT flights
KLMPriceFrom $568Free CancellationRating
7.7
1,430 reviews
Search KLM flights
LufthansaPriceFrom $570Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
British AirwaysPriceFrom $575Free CancellationRating
6.7
7,562 reviews
Search British Airways flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
9,066 reviews
Search United Airlines flights
SWISSPriceFrom $597Free CancellationRating
7.5
1,804 reviews
Search SWISS flights
Air FrancePriceFrom $618Free CancellationRating
7.4
1,502 reviews
Search Air France 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