Flights from O'Hare Intl. (ORD) to Philadelphia Intl. (PHL) starting at $69

Start your vacation calm and relaxed and head straight to Philadelphia, PA (PHL-Philadelphia Intl.) from Chicago, IL (ORD-OHare Intl.). American Airlines and United Airlines are among the airlines that have direct services on this flight path.

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It typically takes about 3 hours and 3 minutes to fly from Chicago, IL (ORD-O'Hare Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.). You'll be in your seat for a while, so entertain yourself with a film or read your favorite novel.

There's a flight distance of 901 mi between Chicago, IL (ORD-O'Hare Intl.) and Philadelphia, PA (PHL-Philadelphia Intl.). Take advantage of the short trip to write down all the popular sightseeing places you want to visit and how you're going to get there. A detailed itinerary is key to having a worry-free vacation.

You can take your pick from a number of airlines that have direct flights between Chicago and Philadelphia. American Airlines (AA) is one of the most well-known. This carrier operates about 252 flights each month. It's a good idea to also look up the deals available through United Airlines (UA). This carrier operates 125 flights every month on the Chicago to Philadelphia route. Be sure to compare the two to find your ideal fare.

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week 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 2019, flights departing on a Tuesday 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 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.