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Cheap flights from Romania to Chicago from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Romania to Chicago departing on 9/23. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Romania to Chicago

Recent round-trip flight deals from Romania to Chicago

Enter your travel dates to find the best prices.
Delta Logo
7:05 am - 9:33 pm
OTP
-
ORD
22h 28m
2 stops
Delta Logo
1:30 pm - 2:10 pm
ORD
-
OTP
16h 40m
2 stops
$807Delta
Thu, Sep 10 - Fri, Nov 27
Delta Logo
7:05 am - 8:56 pm
OTP
-
ORD
21h 51m
2 stops
Delta Logo
10:30 am - 12:45 pm
ORD
-
OTP
18h 15m
2 stops
$808Delta
Tue, Sep 8 - Tue, Oct 13
SWISS Logo
4:10 pm - 12:35 pm
OTP
-
ORD
28h 25m
1 stop
SWISS Logo
7:05 pm - 1:10 am
ORD
-
OTP
22h 05m
1 stop
$809SWISS
Sun, Aug 23 - Sun, Aug 30
Lufthansa Logo
6:00 am - 12:55 pm
CLJ
-
ORD
14h 55m
2 stops
Lufthansa Logo
10:30 pm - 12:30 am
ORD
-
CLJ
18h 00m
2 stops
$811Lufthansa
Wed, Sep 16 - Wed, Sep 30
LOT Logo
2:00 pm - 3:10 pm
CLJ
-
ORD
33h 10m
2 stops
LOT Logo
5:10 pm - 1:20 pm
ORD
-
CLJ
36h 10m
2 stops
$813LOT
Tue, Sep 8 - Fri, Sep 18
KLM Logo
8:35 am - 2:30 pm
OTP
-
ORD
13h 55m
1 stop
KLM Logo
2:00 pm - 1:00 pm
ORD
-
OTP
15h 00m
2 stops
$815KLM
Mon, Sep 7 - Tue, Oct 13
LOT Logo
6:30 pm - 3:10 pm
OTP
-
ORD
28h 40m
2 stops
LOT Logo
9:50 pm - 11:15 pm
ORD
-
OTP
17h 25m
1 stop
$816LOT
Fri, Sep 11 - Wed, Oct 14
United Airlines Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
United Airlines Logo
10:30 pm - 11:50 pm
ORD
-
OTP
17h 20m
1 stop
$817United Airlines
Thu, Sep 10 - Wed, Sep 23
United Airlines Logo
1:45 pm - 7:55 pm
OTP
-
ORD
14h 10m
1 stop
United Airlines Logo
3:10 pm - 4:20 pm
ORD
-
OTP
17h 10m
1 stop
$818United Airlines
Thu, Sep 3 - Wed, Sep 16
Lufthansa Logo
6:00 am - 12:35 pm
CLJ
-
ORD
14h 35m
1 stop
Lufthansa Logo
10:30 pm - 12:30 am
ORD
-
CLJ
18h 00m
2 stops
$821Lufthansa
Thu, Sep 10 - Wed, Sep 23

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Lufthansa flights from Romania to Chicago O'Hare Intl Airport

Our best Lufthansa deals on Romania to Chicago O'Hare Intl Airport flight tickets
Lufthansa
Sep 16
CLJ6:00 amCluj Napoca
14h 55m
2 stops
ORD12:55 pmChicago O'Hare Intl
Sep 30
ORD10:30 pmChicago O'Hare Intl
18h 00m
2 stops
CLJ12:30 amCluj Napoca
$811
Lufthansa
Sep 10
CLJ6:00 amCluj Napoca
14h 35m
1 stop
ORD12:35 pmChicago O'Hare Intl
Sep 23
ORD10:30 pmChicago O'Hare Intl
18h 00m
2 stops
CLJ12:30 amCluj Napoca
$821
Lufthansa
Sep 7
CLJ6:10 pmCluj Napoca
32h 05m
1 stop
ORD6:15 pmChicago O'Hare Intl
Sep 21
ORD9:40 pmChicago O'Hare Intl
11h 45m
1 stop
CLJ5:25 pmCluj Napoca
$863

United Airlines flights from Romania to Chicago O'Hare Intl Airport

Our best United Airlines deals on Romania to Chicago O'Hare Intl Airport flight tickets
United Airlines
Sep 10
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Sep 23
ORD10:30 pmChicago O'Hare Intl
17h 20m
1 stop
OTP11:50 pmBucharest Otopeni Intl
$817
United Airlines
Sep 3
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Sep 16
ORD3:10 pmChicago O'Hare Intl
17h 10m
1 stop
OTP4:20 pmBucharest Otopeni Intl
$818
United Airlines
Sep 3
OTP1:45 pmBucharest Otopeni Intl
14h 10m
1 stop
ORD7:55 pmChicago O'Hare Intl
Sep 16
ORD3:10 pmChicago O'Hare Intl
17h 10m
1 stop
OTP4:20 pmBucharest Otopeni Intl
$819

momondo Fare Finder

 
Customize your flight search to find flights from Romania to Chicago O'Hare Intl Airport 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 July 22, 2026.
Use the filters below to find and compare flights from Romania to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/10

7:05 am-9:33 pm

2 stops22h 28m

Chicago O'Hare Intl

Fri 11/27

1:30 pm-2:10 pm

2 stops16h 40m

$807

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Tue 9/8

7:05 am-8:56 pm

2 stops21h 51m

Chicago O'Hare Intl

Tue 10/13

10:30 am-12:45 pm

2 stops18h 15m

$808

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Sun 8/23

4:10 pm-12:35 pm

1 stop28h 25m

Chicago O'Hare Intl

Sun 8/30

7:05 pm-1:10 am

1 stop22h 05m

$809

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Wed 9/16

6:00 am-12:55 pm

2 stops14h 55m

Chicago O'Hare Intl

Wed 9/30

10:30 pm-12:30 am

2 stops18h 00m

$811

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Tue 9/8

2:00 pm-3:10 pm

2 stops33h 10m

Chicago O'Hare Intl

Fri 9/18

5:10 pm-1:20 pm

2 stops36h 10m

$813
Quickest round-trip

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Mon 9/7

8:35 am-2:30 pm

1 stop13h 55m

Chicago O'Hare Intl

Tue 10/13

2:00 pm-1:00 pm

2 stops15h 00m

$815

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Fri 9/11

6:30 pm-3:10 pm

2 stops28h 40m

Chicago O'Hare Intl

Wed 10/14

9:50 pm-11:15 pm

1 stop17h 25m

$816

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/10

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Wed 9/23

10:30 pm-11:50 pm

1 stop17h 20m

$817

BucharestChicago

OTP - ORD

OTPORD

Bucharest Otopeni Intl

Thu 9/3

1:45 pm-7:55 pm

1 stop14h 10m

Chicago O'Hare Intl

Wed 9/16

3:10 pm-4:20 pm

1 stop17h 10m

$818

Cluj NapocaChicago

CLJ - ORD

CLJORD

Cluj Napoca

Thu 9/10

6:00 am-12:35 pm

1 stop14h 35m

Chicago O'Hare Intl

Wed 9/23

10:30 pm-12:30 am

2 stops18h 00m

$821

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 Romania to Chicago O'Hare Intl Airport

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 Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Romania averaging around $693.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport 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. On the other hand, Thursday is the most expensive day to depart from Romania because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $770.

What is the cheapest Romania to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight from Romania to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Romania when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $809 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Romania for as low as $589 on momondo.

What cabin class options are available on Romania to Chicago O'Hare Intl Airport flights?

There is only 1 cabin class available to choose from on Romania to Chicago O'Hare Intl Airport 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 Romania to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Romania to Chicago O'Hare Intl Airport.

Cheap Romania to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Romania to Chicago O'Hare Intl Airport

Best Price Found

$868

Fastest flight time

13h 50m

Direct flights

None
The best flight deal from Romania to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $868
The fastest flight from Romania to Chicago O'Hare Intl Airport takes 13h 50m
There are no direct flights from Romania to Chicago O'Hare Intl Airport. There are no popular flight routes from Romania to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Romania to Chicago O'Hare Intl Airport

  • When did momondo last update prices for flights from Romania to Chicago O'Hare Intl Airport?

    Prices for flights from Romania to Chicago O'Hare Intl Airport were last updated today.

  • How many operators does momondo search for flights from Romania to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Romania to Chicago O'Hare Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Romania to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Romania to Chicago O'Hare Intl Airport?

Best airlines flying from Romania to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Romania to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
HiSkyPriceFrom $426Free CancellationRating
0.0
Search HiSky flights
SWISSPriceFrom $602Free CancellationRating
7.5
2,016 reviews
Search SWISS flights
LufthansaPriceFrom $603Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $608Free CancellationRating
7.4
4,449 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $609Free CancellationRating
7.4
10,021 reviews
Search United Airlines flights
LOTPriceFrom $620Free CancellationRating
7.5
1,212 reviews
Search LOT flights
Air FrancePriceFrom $654Free CancellationRating
7.5
1,627 reviews
Search Air France flights
KLMPriceFrom $657Free CancellationRating
7.8
1,544 reviews
Search KLM flights
British AirwaysPriceFrom $660Free CancellationRating
6.7
8,125 reviews
Search British Airways flights
Austrian AirlinesPriceFrom $696Free CancellationRating
7.6
950 reviews
Search Austrian Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Romania 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 Romania.

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

Flights from Romania to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Romania to Chicago.

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

If you are not ready to book a flight from Romania to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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