Cheap flights from Boston to Philadelphia
from 108 US$
From 146 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 108 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Boston to Philadelphia, a about 435 km route (around 1h nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Boston to Philadelphia?
It's usually 2026-10, from 108 USD. Use the price calendar to compare other dates.
How long is the flight from Boston to Philadelphia?
A nonstop flight takes about 1h and covers around 435 km. Connecting itineraries take longer.
Are there direct flights from Boston to Philadelphia?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Boston to Philadelphia?
We compare hundreds of airlines on this route; check the live results.
When should I book Boston–Philadelphia flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
Compare your dates in seconds
Boston → Philadelphia · Live fares from 100+ sites — free, with no hidden fees.