Book United Flights to Chicago O'Hare International from $91 Round-trip

The best United flight deals to Chicago O'Hare International

Looking for a last-minute deal or the best direct flight? Find the biggest savings on one-way and round-trip flights to Chicago O'Hare International with United right here.

Chicago.$91 per passenger.Departing Tue, Sep 2, returning Wed, Sep 3.Round-trip flight with United.Outbound direct flight with United departing from Pittsburgh International on Tue, Sep 2, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Wed, Sep 3, arriving in Pittsburgh International.Price includes taxes and charges.From $91, select.

Chicago.$91 per passenger.Departing Sat, Aug 2, returning Sat, Aug 9.Round-trip flight with United.Outbound direct flight with United departing from Detroit Wayne County on Sat, Aug 2, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Sat, Aug 9, arriving in Detroit Wayne County.Price includes taxes and charges.From $91, select.

Chicago.$91 per passenger.Departing Tue, Jul 29, returning Tue, Jul 29.Round-trip flight with United.Outbound direct flight with United departing from Detroit Wayne County on Tue, Jul 29, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Tue, Jul 29, arriving in Detroit Wayne County.Price includes taxes and charges.From $91, select.

Chicago.$91 per passenger.Departing Sat, Aug 30, returning Tue, Sep 2.Round-trip flight with United.Outbound direct flight with United departing from St Louis on Sat, Aug 30, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Tue, Sep 2, arriving in St Louis.Price includes taxes and charges.From $91, select.

Chicago.$91 per passenger.Departing Tue, Nov 4, returning Tue, Nov 11.Round-trip flight with United.Outbound direct flight with United departing from Pittsburgh International on Tue, Nov 4, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Tue, Nov 11, arriving in Pittsburgh International.Price includes taxes and charges.From $91, select.

Chicago.$96 per passenger.Departing Mon, Oct 6, returning Tue, Oct 7.Round-trip flight with United.Outbound direct flight with United departing from Minneapolis St Paul on Mon, Oct 6, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Tue, Oct 7, arriving in Minneapolis St Paul.Price includes taxes and charges.From $96, select.

Chicago.$97 per passenger.Departing Thu, Oct 30, returning Mon, Nov 3.Round-trip flight with United.Outbound direct flight with United departing from Pittsburgh International on Thu, Oct 30, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Mon, Nov 3, arriving in Pittsburgh International.Price includes taxes and charges.From $97, select.

Chicago.$97 per passenger.Departing Tue, Sep 2, returning Thu, Oct 2.Round-trip flight with United.Outbound direct flight with United departing from Nashville on Tue, Sep 2, arriving in Chicago O'Hare International.Inbound direct flight with United departing from Chicago O'Hare International on Thu, Oct 2, arriving in Nashville.Price includes taxes and charges.From $97, select.

Find the cheapest time to fly to Chicago O'Hare International with United

Flexible on travel dates? Here's when plane tickets are cheapest.

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Alternative routes to Chicago

Compare routes to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Chicago O'Hare International with United

The things to know before you go.

Cheapest flight found	$91
Cheapest month to fly	September
Nearby cities to visit	Chicago
Time difference between Washington, D.C. and Chicago O'Hare International	1 hr (GMT -5)

How to find cheap flights to Chicago O'Hare International with United

Looking for cheap plane tickets to Chicago O'Hare International? Here are a few tips on how to find the best price.

Simply hit "search"

We've compared every online travel agent and flight provider to find the cheapest United plane tickets to anywhere in the world, including Chicago O'Hare International.

Fly from Grand Rapids

At the moment, the best route to Chicago O'Hare International with United is from Grand Rapids.

Flex your dates for the best rates

If you’re flexible on your departure dates, hit Whole month as you search. You'll see the cheapest month, and even day, to fly to Chicago O'Hare International with United.

Set up a Price Alert

Got your eye on a specific flight to Chicago O'Hare International but not quite ready to book? No worries. We'll let you know when the price of the flight goes up or down so you can book when the time is just right. You're even able to watch specific United flights.

Book your United flight to Chicago O'Hare International Airport with extra peace of mind

Find flexible United flights to Chicago O'Hare International Airport

United might offer amendable tickets to Chicago O'Hare International Airport, which means you won't lose out if your booking has to be changed or canceled.

Add travel cost protection

Make sure you have the right travel insurance before flying to Chicago O'Hare International Airport. That way you can cover the costs of any unexpected events, such as delays or lost luggage.

Reduce your carbon footprint

To check whether there are any lower-emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box when you search for a flight with us.

Flying to Chicago O'Hare International with United: FAQs

How long is the flight to Chicago O'Hare International with United?

The average United flight time from United States to Chicago O'Hare International is 2 hours and 16 minutes.

Does United fly into any other airports in or near Chicago?

Yes. If you're traveling to Chicago, United flies into Chicago Midway.

Which other airlines can I fly to Chicago O'Hare International with?

At the moment, American Airlines, Alaska Airlines, United, Qatar Airways and Envoy Air all fly to Chicago O'Hare International too.

What’s the cheapest month to fly to Chicago O'Hare International with United?

Although it's difficult to get an accurate idea of when United flights to Chicago O'Hare International are cheapest, the cheapest plane tickets are currently for departures in August.