Vuelos de Frontier Airlines de Islip (ISP) a Chicago (ORD) desde $75

For info on any current ORD quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don’t get caught out.

You should find out exactly which terminal Frontier Airlines departs from at MacArthur Airport once you receive your ticket. The same goes for information regarding your arrival at ORD. If those details are missing, contact your airline.

As you can’t travel nonstop from MacArthur Airport to ORD with Frontier Airlines, make the most of your layover. Sit down to one of your favorite refreshments at a comfortable airport bar, or stroll about the terminal and enjoy a little retail therapy.

Depending on good weather and no delays, your Frontier Airlines flight from ISP to ORD will take around 6 hours and 6 minutes. That means you’ve got enough time to order your favorite drink, squeeze in a snooze and look at your travel program before you touch down.

Frontier Airlines makes the journey from ISP to O’Hare Intl. Airport (ORD) uncomplicated and convenient. The airline operates at least 7 flights per week on this popular route.

For more info about changing your flight to ORD, 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.