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Cheap flights from Bucharest to Chicago from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bucharest to Chicago departing on 5/6. 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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Find the cheapest flights from Bucharest to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
5:35 am - 3:10 pm
OTP
-
ORD
17h 35m
1 stop
LOT Logo
9:50 pm - 1:50 am
ORD
-
OTP
20h 00m
1 stop
$688LOT
Tue, Sep 1 - Tue, Sep 29
LOT Logo
8:20 am - 7:50 pm
OTP
-
ORD
19h 30m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$691LOT
Wed, Sep 2 - Fri, Sep 25
LOT Logo
5:35 am - 7:50 pm
OTP
-
ORD
22h 15m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$694LOT
Wed, Sep 2 - Fri, Sep 11
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$696LOT
Tue, Sep 1 - Sat, Sep 26
LOT Logo
2:35 pm - 7:50 pm
OTP
-
ORD
13h 15m
1 stop
LOT Logo
5:10 pm - 11:15 pm
ORD
-
OTP
22h 05m
2 stops
$702LOT
Tue, Sep 1 - Fri, Sep 25
LOT Logo
8:20 am - 3:10 pm
OTP
-
ORD
14h 50m
1 stop
LOT Logo
9:50 pm - 5:45 pm
ORD
-
OTP
11h 55m
1 stop
$704LOT
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
9:00 am - 11:50 am
OTP
-
ORD
10h 50mnonstop
Multiple Airlines Logo
7:05 pm - 1:05 am
ORD
-
OTP
22h 00m
1 stop
$707Multiple Airlines
Sun, Aug 16 - Sun, Sep 13
Delta Logo
7:05 am - 5:54 pm
OTP
-
MDW
18h 49m
2 stops
Delta Logo
9:29 am - 12:45 pm
MDW
-
OTP
19h 16m
2 stops
$747Delta
Thu, Apr 9 - Mon, Apr 13
Delta Logo
7:05 am - 5:54 pm
OTP
-
MDW
18h 49m
2 stops
Delta Logo
9:29 am - 12:25 pm
MDW
-
OTP
18h 56m
2 stops
$748Delta
Thu, Apr 9 - Fri, Apr 24
Delta Logo
7:05 am - 5:58 pm
OTP
-
MDW
18h 53m
2 stops
Delta Logo
1:22 pm - 5:20 pm
MDW
-
OTP
19h 58m
2 stops
$749Delta
Mon, May 4 - Mon, May 11

United Airlines flights from Bucharest to Chicago

Our best United Airlines deals on Bucharest to Chicago flight tickets
United Airlines
Apr 9
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Apr 25
ORD6:01 pmChicago O'Hare Intl
16h 34m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$775
United Airlines
Sep 2
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Sep 28
ORD4:25 pmChicago O'Hare Intl
18h 10m
2 stops
OTP6:35 pmBucharest Otopeni Intl
$776
United Airlines
May 15
OTP6:05 amBucharest Otopeni Intl
14h 50m
1 stop
ORD12:55 pmChicago O'Hare Intl
May 31
ORD6:30 pmChicago O'Hare Intl
21h 10m
1 stop
OTP11:40 pmBucharest Otopeni Intl
$777

Delta flights from Bucharest to Chicago

Our best Delta deals on Bucharest to Chicago flight tickets
Delta
Apr 9
OTP7:05 amBucharest Otopeni Intl
15h 10m
1 stop
ORD2:15 pmChicago O'Hare Intl
Apr 24
ORD1:06 pmChicago O'Hare Intl
15h 54m
2 stops
OTP1:00 pmBucharest Otopeni Intl
$747
Delta
Apr 6
OTP7:05 amBucharest Otopeni Intl
15h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
Apr 19
ORD1:36 pmChicago O'Hare Intl
19h 44m
2 stops
OTP5:20 pmBucharest Otopeni Intl
$748
Delta
Apr 8
OTP7:05 amBucharest Otopeni Intl
15h 25m
1 stop
ORD2:30 pmChicago O'Hare Intl
Apr 25
ORD1:29 pmChicago O'Hare Intl
19h 51m
2 stops
OTP5:20 pmBucharest Otopeni Intl
$749

momondo Fare Finder

 
Customize your flight search to find flights from Bucharest to Chicago 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 March 26, 2026.
Use the filters below to find and compare flights from Bucharest to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/1

5:35 am-3:10 pm

1 stop17h 35m

Chicago O'Hare Intl

Tue 9/29

9:50 pm-1:50 am

1 stop20h 00m

$688

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/2

8:20 am-7:50 pm

1 stop19h 30m

Chicago O'Hare Intl

Fri 9/25

9:50 pm-5:45 pm

1 stop11h 55m

$691

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 9/2

5:35 am-7:50 pm

1 stop22h 15m

Chicago O'Hare Intl

Fri 9/11

9:50 pm-5:45 pm

1 stop11h 55m

$694

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/1

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Sat 9/26

9:50 pm-11:15 pm

1 stop17h 25m

$696

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/1

2:35 pm-7:50 pm

1 stop13h 15m

Chicago O'Hare Intl

Fri 9/25

5:10 pm-11:15 pm

2 stops22h 05m

$702
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/1

8:20 am-3:10 pm

1 stop14h 50m

Chicago O'Hare Intl

Wed 9/30

9:50 pm-5:45 pm

1 stop11h 55m

$704

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 8/16

9:00 am-11:50 am

Nonstop10h 50m

Chicago O'Hare Intl

Sun 9/13

7:05 pm-1:05 am

1 stop22h 00m

$707

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/9

7:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Mon 4/13

9:29 am-12:45 pm

2 stops19h 16m

$747

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 4/9

7:05 am-5:54 pm

2 stops18h 49m

Chicago Midway

Fri 4/24

9:29 am-12:25 pm

2 stops18h 56m

$748

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Mon 5/4

7:05 am-5:58 pm

2 stops18h 53m

Chicago Midway

Mon 5/11

1:22 pm-5:20 pm

2 stops19h 58m

$749

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 Chicago from

How to get the cheapest flight ticket from Bucharest to Chicago

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 Bucharest and Chicago?

What is the cheapest month to fly to Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from Bucharest, with most prices found around $616. If you’re not able to fly to Chicago in September, then April is your next best option. Flight prices from Bucharest to Chicago during April average around $663.

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

The cheapest day to depart on your flight to Chicago is on a Saturday when prices can be found for as low as $469. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Bucharest to Chicago for around $479.

What is the cheapest Bucharest to Chicago flight route?

Fly from Bucharest Otopeni Intl to Chicago O'Hare Intl for the best Bucharest - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $741 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Bucharest for as low as $611 on momondo.

What cabin class options are available on Bucharest to Chicago flights?

There are 2 cabin classes available to choose from on Bucharest to Chicago 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 Bucharest to Chicago flights?

No. A direct flight is the cheapest option for a flight between Bucharest to Chicago.

How have Bucharest to Chicago flight prices changed over time?

When to book flights from Bucharest to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Bucharest to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Bucharest to Chicago (BUH to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Bucharest to Chicago

Fastest flight time

10h 50m

Direct flights

Mon and Fri

Airports in Chicago

3 airports
The fastest flight from Bucharest to Chicago takes 10h 50m
Direct flights go from Bucharest to Chicago on Monday and Friday. The only airline offering direct flights is HiSky.
There are 3 airports in Chicago. From Bucharest there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

  • How far is Bucharest to Chicago by plane?

    The straight-line distance from Bucharest to Chicago is 5200.7 mi. 10h 50m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Bucharest to Chicago?

    Prices for flights from Bucharest to Chicago are refreshed on a daily basis.

  • How many operators does momondo search for flights from Bucharest to Chicago?

  • How old do you have to be to fly from Bucharest to Chicago?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Bucharest to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Bucharest to Chicago?

  • What is the most popular airline from Bucharest to Chicago?

Best airlines flying from Bucharest to Chicago

Compare and see reviews for airlines that fly from Bucharest to Chicago with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $284Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights
Turkish AirlinesPriceFrom $336Free CancellationRating
7.4
4,282 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $595Free CancellationRating
7.1
11,497 reviews
Search American Airlines flights
LOTPriceFrom $602Free CancellationRating
7.5
1,182 reviews
Search LOT flights
British AirwaysPriceFrom $602Free CancellationRating
6.7
7,821 reviews
Search British Airways flights
LufthansaPriceFrom $603Free CancellationRating
6.8
7,871 reviews
Search Lufthansa flights
KLMPriceFrom $612Free CancellationRating
7.8
1,478 reviews
Search KLM flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Schererville
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Bucharest to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Bucharest.

Can I find flights from Bucharest to Chicago with flexible booking policies on momondo?

All flight searches from Bucharest to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Bucharest to Chicago?

momondo helps you find the best flight between Bucharest and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Bucharest to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Bucharest. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport