Cheap flights from Phoenix to Chicago-O'Hare

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Chicago-O'Hare flight facts

What you need to know

What are the cheapest airlines?

  • Spirit Airlines
  • Frontier Airlines
  • American Airlines

These airlines usually offer the cheapest flights from Phoenix to Chicago-O'Hare.

What airlines fly indirectly?

  • United Airlines
  • Delta Air Lines
  • Southwest Airlines

These airlines fly from Phoenix to Chicago-O'Hare, but you’ll have at least one layover.

How long is the flight?

3 hours 30 minutes

This is the shortest flight time from Phoenix to Chicago-O'Hare.

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Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Phoenix/Chicago-O'Hare route. There are around 35 flights on any given week from the UK to Chicago-O'Hare and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.

How to get cheap flights from Phoenix to Chicago-O'Hare

Tips and advice from our flight experts

You've searched for flights from Phoenix to Chicago-O'Hare. We've found 25 flights and compared them to give you the best offer. Spirit Airlines is, on average, the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route from Phoenix to Chicago-O'Hare on 16/05/2026 at 08:10 for £50.

We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 2,200 km flight from Phoenix to Chicago-O'Hare.

To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Spirit Airlines is a popular choice for this route, with an average flight duration of 3 hours 30 minutes. After selecting an offer, fill out your information and proceed with payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.