Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Bucharest to Chicago from $310

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 12/5. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Bucharest to Chicago

Cheap round-trip flights

LOT Logo
8:20 am - 8:00 pmOTP-ORD
19h 40m1 stop
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
$516LOT
Find Deal
Fri, Nov 21 - Sat, Nov 29
LOT Logo
8:20 am - 8:00 pmOTP-ORD
19h 40m1 stop
LOT Logo
9:55 pm - 1:50 pmORD-OTP
31h 55m1 stop
$517LOT
Find Deal
Wed, Nov 12 - Wed, Nov 26
American Airlines Logo
8:05 am - 5:00 pmOTP-ORD
16h 55m1 stop
American Airlines Logo
8:45 pm - 7:35 pmORD-OTP
14h 50m1 stop
$636American Airlines
Find Deal
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
8:20 am - 11:50 amOTP-ORD
35h 30m1 stop
American Airlines Logo
11:45 am - 2:45 pmORD-OTP
19h 00m2 stops
$637American Airlines
Find Deal
Sun, Oct 19 - Tue, Nov 4
British Airways Logo
8:05 am - 6:45 pmOTP-ORD
18h 40m1 stop
British Airways Logo
6:45 pm - 11:45 pmORD-OTP
21h 00m1 stop
$639British Airways
Find Deal
Sat, Jan 10 - Sat, Feb 7
British Airways Logo
8:05 am - 6:45 pmOTP-ORD
18h 40m1 stop
British Airways Logo
8:45 pm - 7:30 pmORD-OTP
14h 45m1 stop
$640British Airways
Find Deal
Wed, Dec 17 - Thu, Jan 8
Delta Logo
7:00 am - 2:40 pmOTP-ORD
15h 40m1 stop
Delta Logo
10:25 am - 12:10 pmORD-OTP
17h 45m2 stops
$655Delta
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
7:00 am - 6:25 pmOTP-MDW
19h 25m2 stops
Delta Logo
12:48 pm - 12:10 pmMDW-OTP
15h 22m2 stops
$656Delta
Find Deal
Thu, Oct 16 - Thu, Oct 23
KLM Logo
1:45 pm - 2:40 pmOTP-ORD
32h 55m1 stop
KLM Logo
1:25 pm - 1:00 pmORD-OTP
15h 35m2 stops
$660KLM
Find Deal
Sun, Oct 19 - Tue, Nov 4
KLM Logo
4:50 pm - 2:40 pmOTP-ORD
29h 50m1 stop
KLM Logo
1:25 pm - 1:00 pmORD-OTP
15h 35m2 stops
$661KLM
Find Deal
Sun, Oct 19 - Tue, Nov 4

LOT flights from Bucharest to Chicago

Our best LOT deals on Bucharest to Chicago flight tickets
LOT
Nov 21
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
Nov 29
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$516
Find similar
LOT
Nov 12
OTP8:20 amBucharest Otopeni Intl
19h 40m
1 stop
ORD8:00 pmChicago O'Hare Intl
Nov 26
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$517
Find similar
LOT
Nov 21
OTP5:35 amBucharest Otopeni Intl
22h 25m
1 stop
ORD8:00 pmChicago O'Hare Intl
Nov 29
ORD9:55 pmChicago O'Hare Intl
31h 55m
1 stop
OTP1:50 pmBucharest Otopeni Intl
$567
Find similar

American Airlines flights from Bucharest to Chicago

Our best American Airlines deals on Bucharest to Chicago flight tickets
American Airlines
Feb 18
OTP8:05 amBucharest Otopeni Intl
16h 55m
1 stop
ORD5:00 pmChicago O'Hare Intl
Feb 22
ORD8:45 pmChicago O'Hare Intl
14h 50m
1 stop
OTP7:35 pmBucharest Otopeni Intl
$636
Find similar
American Airlines
Oct 19
OTP8:20 amBucharest Otopeni Intl
35h 30m
1 stop
ORD11:50 amChicago O'Hare Intl
Nov 4
ORD11:45 amChicago O'Hare Intl
19h 00m
2 stops
OTP2:45 pmBucharest Otopeni Intl
$637
Find similar
American Airlines
Dec 16
OTP8:00 amBucharest Otopeni Intl
15h 25m
1 stop
ORD3:25 pmChicago O'Hare Intl
Jan 11
ORD12:05 pmChicago O'Hare Intl
23h 30m
2 stops
OTP7:35 pmBucharest Otopeni Intl
$638
Find similar

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 September 17, 2025.
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

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 11/21

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Sat 11/29

9:55 pm-1:50 pm

1 stop31h 55m

$516

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 11/12

8:20 am-8:00 pm

1 stop19h 40m

Chicago O'Hare Intl

Wed 11/26

9:55 pm-1:50 pm

1 stop31h 55m

$517

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 2/18

8:05 am-5:00 pm

1 stop16h 55m

Chicago O'Hare Intl

Sun 2/22

8:45 pm-7:35 pm

1 stop14h 50m

$636

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 10/19

8:20 am-11:50 am

1 stop35h 30m

Chicago O'Hare Intl

Tue 11/4

11:45 am-2:45 pm

2 stops19h 00m

$637

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sat 1/10

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Sat 2/7

6:45 pm-11:45 pm

1 stop21h 00m

$639

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 12/17

8:05 am-6:45 pm

1 stop18h 40m

Chicago O'Hare Intl

Thu 1/8

8:45 pm-7:30 pm

1 stop14h 45m

$640

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Wed 10/15

7:00 am-2:40 pm

1 stop15h 40m

Chicago O'Hare Intl

Wed 10/22

10:25 am-12:10 pm

2 stops17h 45m

$655

BucharestChicago

OTP - MDW

OTPMDW

Bucharest Otopeni Intl

Thu 10/16

7:00 am-6:25 pm

2 stops19h 25m

Chicago Midway

Thu 10/23

12:48 pm-12:10 pm

2 stops15h 22m

$656

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 10/19

1:45 pm-2:40 pm

1 stop32h 55m

Chicago O'Hare Intl

Tue 11/4

1:25 pm-1:00 pm

2 stops15h 35m

$660

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 10/19

4:50 pm-2:40 pm

1 stop29h 50m

Chicago O'Hare Intl

Tue 11/4

1:25 pm-1:00 pm

2 stops15h 35m

$661

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 February is, on average, the cheapest month to fly to Chicago from Bucharest, with most prices found around $598. If you’re not able to fly to Chicago in February, then April is your next best option. Flight prices from Bucharest to Chicago during April average around $644.

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 $660. 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 $723.

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

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Bucharest to Chicago during this time can be as low as $658. In contrast, the most expensive time of day to depart to Chicago is in the evening when prices are around $753.

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 $681 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 $596 on momondo.

How have Bucharest to Chicago flight prices changed over time?

As of September 2025, prices for Bucharest to Chicago flights are approximately 26% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from Bucharest to Chicago. There are no popular flight routes from Bucharest to Chicago.
Search flight deals

  • How far is Bucharest to Chicago by plane?

    The straight-line distance from Bucharest to Chicago is 5200.7 mi. 13h 25m 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 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
Turkish AirlinesPriceFrom $336Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $548Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
KLMPriceFrom $570Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Air FrancePriceFrom $581Free CancellationRating
7.4
1,468 reviews
Search Air France flights
LOTPriceFrom $583Free CancellationRating
7.6
1,117 reviews
Search LOT flights
LufthansaPriceFrom $592Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
United AirlinesPriceFrom $594Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $597Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,961 reviews
Search Delta flights

Traveling to a place near Chicago?

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

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

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