Question 1

What are the cheapest airlines flying from Sydney to Chicago O'Hare Intl Airport round-trip?

Accepted Answer

United Airlines, at $1,502, was found to be the cheapest airline from Sydney to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Air New Zealand and ANA. These flights start at 4% lower than the current average price 3 months from now. Find deals

Question 2

What are the cheapest airlines to fly from Sydney to Chicago O'Hare Intl Airport one-way?

Accepted Answer

$1,030 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $1,080 and $1,337, respectively. Find deals

Question 3

How far ahead should I book a flight from Sydney to Chicago O'Hare Intl Airport?

Accepted Answer

The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight. Find deals

Question 4

What is the cheapest day to fly from Sydney to Chicago O'Hare Intl Airport?

Accepted Answer

Travellers seeking maximum savings on their Sydney to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time. Find deals

Question 5

E

Accepted Answer

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Question 6

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Accepted Answer

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Question 7

What are the most popular airlines that fly from Sydney to Chicago O'Hare Intl Airport?

Accepted Answer

When booking a flight from Sydney to Chicago O'Hare Intl Airport, you may want to consider flying on American Airlines, Air Canada or ANA as they are the most popular for this route.

Question 8

What is the cheapest day to fly return from Sydney to Chicago O'Hare Intl Airport?

Accepted Answer

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Chicago O'Hare Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

Question 9

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

Accepted Answer

Travellers have found it’s best to book a flight 55 days in advance to save up to 95% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 55 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Sydney to Chicago O'Hare Intl Airport 1-2 weeks in advance for as low as $1,725, or $2,417 for flights within the next 24 hours.

Question 10

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

Accepted Answer

February can be a great time to fly to Chicago O'Hare Intl Airport from Sydney with a flight ticket averaging about $1,584. Cheapflights users have found deals in the month of February for as cheap as $992. The most expensive prices can be found in the month of December.

Question 11

What is the cheapest time of day to fly from SYD to ORD?

Accepted Answer

It’s optimal to fly from Sydney to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

Question 12

What airport do you fly from for flights from Sydney to Chicago O'Hare Intl?

Accepted Answer

For a flight from Sydney to Chicago O'Hare Intl, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city. Kingsford Smith is the only Sydney airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 7 airlines have flights to Chicago O'Hare Intl from Sydney Kingsford Smith on a regular basis.

Question 13

Can I find deals for flights from Sydney to O'Hare Intl that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Sydney to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 14

How can I find direct flights from Sydney to O'Hare Intl?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to O'Hare Intl.

Question 15

Can I find deals for business class flights from Sydney to O'Hare Intl?

Accepted Answer

Yes. Cheapflights offers flight deals from Sydney to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 16

How does Cheapflights help users find flights from Sydney to O'Hare Intl?

Accepted Answer

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to O'Hare Intl from Sydney today with Cheapflights!

Question 17

Why should you use Cheapflights to find cheap flight tickets from Sydney to O'Hare Intl?

Accepted Answer

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Question 18

Can Cheapflights find flights from Sydney to O'Hare Intl with no change fees?

Accepted Answer

Certainly. Search results for flights to O'Hare Intl from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 19

Can Cheapflights notify me if prices for flights from Sydney to O'Hare Intl become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	$1,502
One-way from	$793
Popular in	December
Cheapest in	February
Average price	$1,299

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$1,019	Average$1,211	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
American Airlines	Cheapest$1,203	Average$1,255	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	Cheapest$1,283	Average$1,727	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air New Zealand	Cheapest$1,572	Average$1,620	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
ANA	Cheapest$1,619	Average$1,797	FlexibilityNo cancel fee	On-time80%	Search ANA flights
United Airlines	Cheapest$1,703	Average$2,439	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Australia	Cheapest$1,777	Average$2,810	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights

Cheap flights from Sydney to Chicago O'Hare Intl Airport from $793

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or May, booked 28 days in advance, depart on a Monday or Thursday and return on a Friday

Cheap flight deals from Sydney to O'Hare Intl

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Find flight deals from Sydney to O'Hare Intl

Cheapest flights from Sydney to O'Hare IntlExplore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7月 2025.

Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7月 2025.

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Use the filters below to find and compare flights from Sydney to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Sydney to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sydney with our price prediction graph.

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Everything you need to know about your flight from Sydney to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Sydney to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to O'Hare Intl. Price data was last updated on 11 July 2025.

What is the cheapest time of day to fly from SYD to ORD?

Find hourly flight availability from Sydney to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 7月 2025.

What is the cheapest day to fly from Sydney to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly return from Sydney to O'Hare Intl. Price data was last updated on 16 December 2024.

How much does it cost for a return flight from Sydney to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Check out reviews from past customers who have flown with ANA, Singapore Airlines, andDelta from Sydney to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Sydney to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Sydney to Chicago O'Hare Intl?

What are the cheapest airlines flying from Sydney to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Sydney to Chicago O'Hare Intl Airport one-way?

Can I find deals for flights from Sydney to O'Hare Intl that include hotel bookings?

How can I find direct flights from Sydney to O'Hare Intl?

Can I find deals for business class flights from Sydney to O'Hare Intl?

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Alternative routes for Sydney to O'Hare Intl

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Top 7 airlines flying from Sydney to O'Hare Intl

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Why should you use Cheapflights to find cheap flight tickets from Sydney to O'Hare Intl?

Can Cheapflights find flights from Sydney to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Sydney to O'Hare Intl become cheaper?

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Cheapest flights from Sydney to O'Hare Intl
Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 7月 2025.