$378 Find Cheap Flights from Romania to Chicago O'Hare Airport - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to O'Hare Intl departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Romania to O'Hare Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Romania to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Romania to O'Hare Intl

Sun, Oct 11 - Sun, Oct 18
Austrian Airlines Logo
12:05 pm - 1:20 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
33h 15m1 stop Vienna Intl
Austrian Airlines Logo
4:20 pm - 12:55 pmORD  Chicago O'Hare Intl-SBZ Sibiu
12h 35m1 stop Vienna Intl
$724Austrian Airlines
Fri, Sep 18 - Fri, Sep 25
Austrian Airlines Logo
6:00 am - 1:20 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
15h 20m1 stop Vienna Intl
Austrian Airlines Logo
4:20 pm - 1:05 amORD  Chicago O'Hare Intl-SBZ Sibiu
24h 45m1 stop Vienna Intl
$743Austrian Airlines
Thu, Sep 3 - Wed, Sep 9
LOT Logo
6:30 pm - 3:10 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
28h 40m2 stops Warsaw Frederic Chopin Krakow J. Paul II Balice
LOT Logo
9:50 pm - 5:45 pmORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
11h 55m1 stop Warsaw Frederic Chopin
$759LOT
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
1:10 pm - 9:25 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
16h 15m2 stops Milan Malpensa Reykjavik Keflavik Intl
Multiple Airlines Logo
7:25 pm - 12:35 amORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
21h 10m2 stops Reykjavik Keflavik Intl Milan Malpensa
$759Multiple Airlines
Sat, Sep 5 - Sat, Sep 12
SWISS Logo
6:20 am - 3:55 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
17h 35m1 stop Zurich
SWISS Logo
2:40 pm - 1:10 amORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
26h 30m1 stop Zurich
$760SWISS
Fri, Sep 18 - Fri, Sep 25
Multiple Airlines Logo
6:00 am - 12:55 pmSBZ  Sibiu-ORD Chicago O'Hare Intl
14h 55m2 stops Vienna Intl Frankfurt am Main
Multiple Airlines Logo
4:20 pm - 1:05 amORD  Chicago O'Hare Intl-SBZ Sibiu
24h 45m1 stop Vienna Intl
$761Multiple Airlines
Thu, Oct 15 - Thu, Oct 29
LOT Logo
5:35 am - 3:10 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
17h 35m1 stop Warsaw Frederic Chopin
LOT Logo
10:50 pm - 5:40 pmORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
11h 50m1 stop Warsaw Frederic Chopin
$764LOT
Wed, Sep 30 - Sat, Oct 31
Lufthansa Logo
6:05 am - 12:55 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
14h 50m1 stop Frankfurt am Main
Lufthansa Logo
10:50 pm - 1:00 amORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
19h 10m1 stop Munich Franz Josef Strauss
$769Lufthansa
Wed, Sep 30 - Sun, Nov 1
Lufthansa Logo
6:05 am - 12:55 pmOTP  Bucharest Otopeni Intl-ORD Chicago O'Hare Intl
14h 50m1 stop Frankfurt am Main
Lufthansa Logo
9:50 pm - 6:30 pmORD  Chicago O'Hare Intl-OTP Bucharest Otopeni Intl
12h 40m1 stop Munich Franz Josef Strauss
$769Lufthansa
Thu, Sep 17 - Wed, Sep 30
SWISS Logo
10:45 am - 12:35 pmCLJ  Cluj Napoca-ORD Chicago O'Hare Intl
33h 50m1 stop Zurich
SWISS Logo
2:20 pm - 10:00 amORD  Chicago O'Hare Intl-CLJ Cluj Napoca
11h 40m1 stop Zurich
$799SWISS
Booking Insights

KAYAK's insights & trends for flights to O'Hare Intl

Get data-powered insights and trends for flights to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Chicago O'Hare Airport?

These are the best round-trip prices found by users searching on KAYAK in the last 5 days.

In the last 5 days, the cheapest flight deal to Chicago O'Hare Airport was found on the route from Cluj Napoca, at $724 return. The most popular connection is from Bucharest to Chicago O'Hare Airport and KAYAK users have found round-trip deals for as low as $759 in the last 5 days.

What is the cheapest day to fly to Chicago?

The average price of all round-trip flights to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.

Based on KAYAK data, the cheapest day to fly to Chicago is Saturday where round-trip tickets can be as cheap as $469. On the other hand, the most expensive day to fly is Thursday, where round-trip prices are $770 on average.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Chicago O'Hare Intl Airport is February, where tickets cost $666 on average for return flights. On the other hand, the most expensive months are August and July, where the average cost of tickets from Romania is $1,045 and $946 respectively. For one-way flights, the best month to travel is June with an average price of $487.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

The average price for all round-trip flights to Chicago O'Hare Intl Airport depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Chicago O'Hare Intl Airport is generally in the morning, when round-trip flights cost $770 on average. The most expensive time of day to fly to Chicago O'Hare Intl Airport is generally in the morning, which is peak travel time and where the average cost of a ticket is $770.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price, you should book around 3 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Find deals

Good to know

Low season

November

Cheapest flight

$378
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Cluj Napoca to Chicago

FAQs - booking Chicago O'Hare Airport flights

  • What is the cheapest flight to Chicago O'Hare Airport?

    In the last 5 days, the cheapest flight deal to Chicago O'Hare Airport was found on the route from Cluj Napoca, at $724 return. The most popular connection is from Bucharest to Chicago O'Hare Airport and KAYAK users have found round-trip deals for as low as $759 in the last 5 days.

  • How far is Chicago O'Hare Intl Airport from central Chicago?

    There are 16 miles between Chicago city center and Chicago O'Hare Intl Airport.

  • How much is a flight to Chicago?

    On average, a flight to Chicago costs $869. The cheapest price found on KAYAK in the last 2 weeks cost $868 and departed from Bucharest Otopeni Intl Airport.

  • How does KAYAK find such low prices on flights to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • How many direct flights to Chicago O'Hare Intl Airport are there each week?

    Each week there are around 35,446 direct flights from within Romania to Chicago O'Hare Intl Airport. The most common day for departures is Sunday, with 17% of flights taking off on this day.

Top tips for finding cheap flights to Chicago O'Hare Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $868 or less round-trip.
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago O'Hare Airport flight deals.

Everything you need to know for your flight to O'Hare Intl

Information on the airport you'll fly into in Chicago

Chicago O'Hare Airport (ORD)