Vuelos de Delta de Aeropuerto Internacional LA/Ontario (ONT) a Chicago (ORD) desde $168

For any current ORD travel advice and quarantine requirements, go to our Covid-19 Travel Advisor. Look before you book your flight, so you don’t get caught out.

Once you receive the boarding pass for your Delta Air Lines flight from ONT to O’Hare Intl. Airport (ORD), you should be able to determine which terminals you’ll be jetting in and out of. Your airline will be able to help if those details are missing from your ticket.

As you can’t fly nonstop from ONT to O’Hare Intl. Airport (ORD) with Delta Air Lines, make the most of your stopover. Treat yourself to a few drinks at a comfortable airport bar, or wander around the terminal and enjoy some retail therapy.

As it’ll take around 6 hours and 13 minutes for your Delta Air Lines flight to get from Ontario Airport to O’Hare Airport, consider tossing a few travel games in your carry-on bag. You never know — the person sitting next to you might relish a challenge to break up the trip.

If you’re traveling from ONT to ORD, you’ll discover 2 Delta Air Lines daily flights to select from.

For more info about changing your flight to O’Hare Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.