Your next trip, last seen at €90
Lowest observedFrontier Airlines · 1 stop · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
Short answer
We have seen Allegiant Air fares from Boston to Philadelphia. The average across the fares we caught is €195. October 2026 is the cheapest month in our observations, at €99. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
Short answer
We have seen Allegiant Air fares from Boston to Philadelphia. The average across the fares we caught is €195. October 2026 is the cheapest month in our observations, at €99. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare.
About this route
Explore the fares we observed from Boston to Philadelphia. Prices move often, so pick your dates to see the latest options.
- Route distance
- 435 km
- Reported fastest flight
- 1h 31m
- Airlines seen
- Allegiant Air, American Airlines, Frontier Airlines, JetBlue, United Airlines
- Seen on fares with a connection
- JetBlue, Frontier Airlines, Allegiant Air
- Alternative airports
- PSM, TTN
Route-level information; individual journeys vary.
A clearer picture of your fare
Frequently asked
When is the cheapest month to fly from Boston to Philadelphia?
In our observations October 2026 is the cheapest month so far, at €99.
Which airlines fly from Boston to Philadelphia?
These are the carriers we have seen on the route: Allegiant Air, American Airlines, Frontier Airlines, JetBlue, United Airlines.
How long does the flight from Boston to Philadelphia take?
The average journey time across the 59 fares we observed is 6h 20m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Boston to Philadelphia fares were non-stop?
48 of the 73 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
Similar routes
More routes from Boston
Show all 30 routes →Show fewer ↑
More routes to Philadelphia
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.
Last checked: 9 Oct 2026