$100 Cheap Flights from Boston (BOS) to Philadelphia (PHL)

Boston (BOS) to Philadelphia (PHL) at a glance

Travel from Boston (BOS) to Philadelphia (PHL) with a range of airlines offering convenient options on this popular short-haul route. You can explore various choices between full-service and low-cost carriers to discover the best itinerary that matches your budget and schedule. Whether you’re eager to experience Philadelphia's iconic sights or vibrant neighborhoods, key details for flights from Logan International Airport to Philadelphia International Airport will help you plan your trip effectively.

• Fastest flight duration: around 1h 45m non-stop
• Route distance: roughly 300 miles (485 km)
• Flights per week: around 75+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $55–$270, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Philadelphia International Airport (PHL)

According to recent traveler bookings, here are the top airlines favored for flights from Boston to Philadelphia, featuring both non-stop and one-stop options. Many travelers opt for flights with layovers at popular hubs like Washington Dulles International Airport (IAD) with about a 1 hour 30 minute layover, Charlotte-Douglas International Airport (CLT) with roughly a 1 hour layover, and Ronald Reagan Washington National Airport (DCA) also around 1 hour 30 minutes. This variety allows you to compare prices, total travel times, and cabin classes to secure the best itinerary.

• American Airlines: This full-service airline provides both non-stop and one-stop flights, with one-way fares generally between $65 and $280. It represents around 53% of departures on this route, with a typical flight duration of 1 hour and 45 minutes.
• Delta: As a full-service airline, Delta offers non-stop service with one-way ticket prices usually ranging from $65 to $300. This carrier accounts for about 23% of flights on this route, with an overall travel time of 1 hour and 45 minutes.
• JetBlue Airways: Known for its budget-friendly options, JetBlue provides non-stop flights with one-way fares typically between $60 and $275. It makes up roughly 21% of departures on this route, with a flight time of 1 hour and 45 minutes.
• Frontier Airlines: This low-cost carrier features both non-stop and one-stop options, with one-way fares generally ranging from $55 to $155. Frontier accounts for approximately 3% of departures on this route, with a non-stop flight time of 1 hour and 45 minutes.
• United: Offering one-stop service, United's one-way fares typically fall between $85 and $475. This full-service airline has an in-flight duration of 3 hours, resulting in a total travel time of about 4 hours and 45 minutes, including layover.

Travelers flying from Boston to Philadelphia have the option to upgrade their flight. Delta provides both first class and premium economy cabins, while American Airlines offers first class and JetBlue Airways features premium economy service.

Best time to fly from Boston (BOS) to Philadelphia (PHL)

The most popular months for travelers flying from Boston to Philadelphia are February, March, and April, when peak temperatures in Philadelphia reach up to 53.6°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 69.8°F. For better deals, January usually offers the lowest average one-way fare around $123. Flight availability peaks in May, with approximately 87 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 66 flights per week.

• Cheapest time to fly: January usually offers good deals with average one-way fare around $123, roughly 16% cheaper than the yearly average.
• Another budget-friendly time to fly: March typically offers an average one-way fare of around $130.
• Most flight options: May has the highest number of flights from Boston to Philadelphia, with approximately 87 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Boston (BOS) to Philadelphia (PHL)

• Boston to Philadelphia (BOS-PNE): Northeast Philadelphia Airport (PNE) is located approximately 18 miles from Philadelphia International Airport (PHL).
• Boston to Mount Holly (BOS-LLY): South Jersey Regional Airport (LLY) lies about 22 miles from Philadelphia International Airport (PHL).

How to find the best prices for flights from Boston (BOS) to Philadelphia (PHL)

Getting some of the best deals on flights from Boston to Philadelphia is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Afternoon departures (12pm-6pm) often offer lower prices, while Morning flights (5am-12pm) are more popular. Additionally, flying on Saturday typically results in cheaper fares, even though Friday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Philadelphia International Airport from Logan International Airport

Philadelphia welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Philadelphia efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Philadelphia, with private rides that can be arranged in advance.
• Car rental: Renting a car from Philadelphia International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Philadelphia International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Philadelphia International Airport, PHL Airport Terminals C & D Station, a metro station, is located about 0.1 miles away on foot, while Philadelphia International Airport Terminal B Station, a train station, is about 0.2 miles away on foot. For those looking to reach the waterfront, Philadelphia Seaport, a seaport, is approximately 8.4 miles from the airport by car.

Boston to Philadelphia Flights

The cheapest times to fly from Boston to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Philadelphia are during the month of December. You can find some of the cheapest flights from Boston to Philadelphia with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Philadelphia

Sunday is one of the best days to book for cheap flights from Boston to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Philadelphia in 2026. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.