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Cheap flights from Chicago to Bucharest from $273

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 5/18. 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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Find the cheapest flights from Chicago to Bucharest

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
9:40 pm - 1:10 am
ORD
-
OTP
19h 30m
1 stop
Lufthansa Logo
6:05 am - 12:55 pm
OTP
-
ORD
14h 50m
1 stop
$502Lufthansa
Wed, Apr 29 - Wed, May 13
British Airways Logo
3:45 pm - 1:20 am
ORD
-
OTP
25h 35m
2 stops
British Airways Logo
3:40 pm - 6:15 pm
OTP
-
ORD
34h 35m
1 stop
$508British Airways
Mon, Apr 27 - Mon, May 11
British Airways Logo
9:15 pm - 1:20 am
ORD
-
OTP
20h 05m
1 stop
British Airways Logo
3:40 pm - 3:55 pm
OTP
-
ORD
32h 15m
1 stop
$510British Airways
Mon, Apr 27 - Mon, May 11
Turkish Airlines Logo
11:50 am - 8:50 am
ORD
-
OTP
13h 00m
1 stop
Turkish Airlines Logo
3:30 pm - 6:25 pm
OTP
-
ORD
34h 55m
1 stop
$517Turkish Airlines
Mon, Feb 16 - Mon, Mar 2
Turkish Airlines Logo
8:20 pm - 2:10 pm
ORD
-
OTP
33h 50m
1 stop
Turkish Airlines Logo
10:10 am - 10:05 am
OTP
-
ORD
31h 55m
1 stop
$518Turkish Airlines
Wed, Feb 18 - Fri, Feb 27
Turkish Airlines Logo
8:20 pm - 8:50 am
ORD
-
OTP
28h 30m
1 stop
Turkish Airlines Logo
10:10 am - 10:05 am
OTP
-
ORD
31h 55m
1 stop
$519Turkish Airlines
Sun, Feb 22 - Sun, Mar 1
Delta Logo
9:34 am - 1:00 pm
MDW
-
OTP
19h 26m
2 stops
Delta Logo
6:05 am - 5:40 pm
OTP
-
MDW
19h 35m
2 stops
$626Delta
Mon, Mar 2 - Sun, Mar 8
KLM Logo
1:29 pm - 1:00 pm
MDW
-
OTP
15h 31m
2 stops
KLM Logo
8:35 am - 6:40 pm
OTP
-
MDW
17h 05m
2 stops
$764KLM
Thu, Mar 5 - Mon, Mar 16
KLM Logo
6:34 pm - 3:25 pm
MDW
-
OTP
13h 51m
2 stops
KLM Logo
8:35 am - 6:40 pm
OTP
-
MDW
17h 05m
2 stops
$882KLM
Wed, Mar 11 - Wed, Mar 18
Delta Logo
4:13 pm - 5:10 pm
MDW
-
OTP
16h 57m
2 stops
Delta Logo
6:00 am - 10:31 pm
OTP
-
MDW
23h 31m
2 stops
$885Delta
Sat, Mar 7 - Mon, Mar 16

British Airways flights from Chicago to Bucharest

Our best British Airways deals on Chicago to Bucharest flight tickets
British Airways
Apr 27
ORD3:45 pmChicago O'Hare Intl
25h 35m
2 stops
OTP1:20 amBucharest Otopeni Intl
May 11
OTP3:40 pmBucharest Otopeni Intl
34h 35m
1 stop
ORD6:15 pmChicago O'Hare Intl
$508
British Airways
Apr 27
ORD9:15 pmChicago O'Hare Intl
20h 05m
1 stop
OTP1:20 amBucharest Otopeni Intl
May 11
OTP3:40 pmBucharest Otopeni Intl
32h 15m
1 stop
ORD3:55 pmChicago O'Hare Intl
$510
British Airways
Apr 27
ORD3:45 pmChicago O'Hare Intl
25h 35m
2 stops
OTP1:20 amBucharest Otopeni Intl
May 11
OTP3:40 pmBucharest Otopeni Intl
35h 40m
2 stops
ORD7:20 pmChicago O'Hare Intl
$511

Delta flights from Chicago to Bucharest

Our best Delta deals on Chicago to Bucharest flight tickets
Delta
Mar 22
ORD6:20 pmChicago O'Hare Intl
21h 30m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Apr 1
OTP2:00 pmBucharest Otopeni Intl
32h 15m
1 stop
ORD2:15 pmChicago O'Hare Intl
$563
Delta
Mar 8
ORD6:20 pmChicago O'Hare Intl
21h 30m
1 stop
OTP10:50 pmBucharest Otopeni Intl
Mar 25
OTP6:00 amBucharest Otopeni Intl
16h 20m
1 stop
ORD3:20 pmChicago O'Hare Intl
$564
Delta
Apr 1
ORD10:40 amChicago O'Hare Intl
18h 05m
2 stops
OTP12:45 pmBucharest Otopeni Intl
Apr 22
OTP7:00 amBucharest Otopeni Intl
15h 30m
1 stop
ORD2:30 pmChicago O'Hare Intl
$567

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 27, 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

Wed 4/29

9:40 pm-1:10 am

1 stop19h 30m

Bucharest Otopeni Intl

Wed 5/13

6:05 am-12:55 pm

1 stop14h 50m

$502

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/27

3:45 pm-1:20 am

2 stops25h 35m

Bucharest Otopeni Intl

Mon 5/11

3:40 pm-6:15 pm

1 stop34h 35m

$508

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 4/27

9:15 pm-1:20 am

1 stop20h 05m

Bucharest Otopeni Intl

Mon 5/11

3:40 pm-3:55 pm

1 stop32h 15m

$510

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Mon 2/16

11:50 am-8:50 am

1 stop13h 00m

Bucharest Otopeni Intl

Mon 3/2

3:30 pm-6:25 pm

1 stop34h 55m

$517

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Wed 2/18

8:20 pm-2:10 pm

1 stop33h 50m

Bucharest Otopeni Intl

Fri 2/27

10:10 am-10:05 am

1 stop31h 55m

$518

ChicagoBucharest

ORD - OTP

ORDOTP

Chicago O'Hare Intl

Sun 2/22

8:20 pm-8:50 am

1 stop28h 30m

Bucharest Otopeni Intl

Sun 3/1

10:10 am-10:05 am

1 stop31h 55m

$519

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Mon 3/2

9:34 am-1:00 pm

2 stops19h 26m

Bucharest Otopeni Intl

Sun 3/8

6:05 am-5:40 pm

2 stops19h 35m

$626

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Thu 3/5

1:29 pm-1:00 pm

2 stops15h 31m

Bucharest Otopeni Intl

Mon 3/16

8:35 am-6:40 pm

2 stops17h 05m

$764

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Wed 3/11

6:34 pm-3:25 pm

2 stops13h 51m

Bucharest Otopeni Intl

Wed 3/18

8:35 am-6:40 pm

2 stops17h 05m

$882

ChicagoBucharest

MDW - OTP

MDWOTP

Chicago Midway

Sat 3/7

4:13 pm-5:10 pm

2 stops16h 57m

Bucharest Otopeni Intl

Mon 3/16

6:00 am-10:31 pm

2 stops23h 31m

$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 $673 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

$419

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 $419. The best round-trip flight deal from Chicago to Bucharest found on momondo in the last 72 hours is $812.
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
1,672 reviews
Search Scandinavian Airlines flights
Turkish AirlinesPriceFrom $503Free CancellationRating
7.3
4,209 reviews
Search Turkish Airlines flights
Austrian AirlinesPriceFrom $517Free CancellationRating
7.5
895 reviews
Search Austrian Airlines flights
KLMPriceFrom $541Free CancellationRating
7.7
1,443 reviews
Search KLM flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,704 reviews
Search British Airways flights
LOTPriceFrom $562Free CancellationRating
7.5
1,176 reviews
Search LOT flights
LufthansaPriceFrom $566Free CancellationRating
6.8
7,749 reviews
Search Lufthansa flights
Air FrancePriceFrom $569Free CancellationRating
7.4
1,528 reviews
Search Air France flights
DeltaPriceFrom $575Free CancellationRating
7.9
8,124 reviews
Search Delta flights
SWISSPriceFrom $586Free CancellationRating
7.6
1,863 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