Cheap Flights from Philadelphia (PHL) to Boston (BOS) from HK$853~

Round-trip flights between Philadelphia Airport and BOS start from HK$1,534. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.

This varies from airline to airline, as each one has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Philadelphia Intl. Airport (PHL) to BOS flights, you'll see a "no change fees" filter for you to select.

A flight distance of just 450 kilometers separates Philadelphia and Boston. Once you're in the air, you won't have time to do much more than flip through the pages of the in-flight magazine.

Getting from Philadelphia Airport to Logan Intl. Airport (BOS) is easy when you have a good range of airlines to choose from. Here are some of the best:

• American Airlines - (AA) with 217 monthly flights
• JetBlue Airways - (B6) with 82 monthly flights
• Delta Air Lines - (DL) with 78 monthly flights
• Frontier Airlines - (F9) with 13 monthly flights

Last-minute bookings from Philadelphia Airport to Logan Intl. Airport can be hit-or-miss. It is possible to score a bargain, but then again, you could miss out entirely! If you'd rather start planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines advertise their prices so far in advance. Our advice? Check back often as prices are updated regularly.