Cheap flights from Boston to Philadelphia from $86 BOS, PSM → PHL
Logan International Airport (BOS), Pease Air Force Base (PSM) → Philadelphia International Airport (PHL)
The cheapest one-way found recently is $86 with jetBlue, 21 Nov, found 2 days ago.
- Cheapest one-way found recently
- $86, jetBlue, found 2 days ago
- Cheapest month to fly
- November 2026, one-way fares from $86 found in the last 7 days
- Airlines with nonstop flights
- jetBlue, American Airlines
- Shortest nonstop flight found
- 1 h 39 min
One-way
The cheapest one-way fare on each of 5 departure dates is usually $91 to $135.
Cheapest one-way found recently
$86
21 Nov · jetBlue
Logan International Airport (BOS) → Philadelphia International Airport (PHL)
Leaves 5:15 p.m. · 1 h 39 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$86
21 Nov · jetBlue
Logan International Airport (BOS) → Philadelphia International Airport (PHL)
Leaves 5:15 p.m. · 1 h 39 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$86 21 Novfound 2 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $86 to $332.
At $86, the cheapest one-way found recently is at the low end of that range.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 5 departure dates from 16 Nov to 9 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 21 Nov to compare.
Every date we hold
6 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov | $91 | American Airlines | Logan International Airport (BOS) → Philadelphia International Airport (PHL) | nonstop | found 7 days ago | Open this trip |
| 21 Nov | $86 | jetBlue | Logan International Airport (BOS) → Philadelphia International Airport (PHL) | nonstop | found 2 days ago | Open this trip |
| 25 Nov | $393 | Breeze Airways | Pease Air Force Base (PSM) → Philadelphia International Airport (PHL) | 1 stop | found 2 days ago | Open this trip |
| 24 Dec | $135 | jetBlue | Logan International Airport (BOS) → Philadelphia International Airport (PHL) | nonstop | found 2 days ago | Open this trip |
| 9 Jan 2027 | $115 | Frontier Airlines | Logan International Airport (BOS) → Philadelphia International Airport (PHL) | 1 stop | found 3 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $86.
Airlines on the cheapest dates: jetBlue, American Airlines, Breeze Airways, Frontier Airlines.
Premium cabin fares from Boston to Philadelphia
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 21 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Boston to Philadelphia?
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $102 | $93 | +2% | 27 |
| 7–13 days | $100 | $86 | Cheapest seen | 30 |
| 14–29 days | $170 | $124 | +70% | 7 |
| 90–179 days | $138 | $138 | +38% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Boston → Baltimore
145 km from Philadelphia
$151
12 Dec – 14 Dec · BOS → BWI · out nonstop, back 1 stop
found 2 days ago
Boston → New York
130 km from Philadelphia
$218
16 Dec – 19 Dec · BOS → JFK · out nonstop, back nonstop
found 3 days ago
Worcester → Philadelphia
62 km from Boston
$483
19 Nov – 21 Nov · ORH → PHL · out nonstop, back nonstop
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Boston → Baltimore
145 km from Philadelphia
$84
$2 less than flying to Philadelphia
24 Feb 2027 · BOS → BWI · nonstop
found 5 days ago
Boston → New York
130 km from Philadelphia
$88
$2 more than flying to Philadelphia
22 Nov · BOS → JFK · nonstop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest one-way found recently is for 21 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a one-way flight from Boston to Philadelphia?
The cheapest one-way found recently is $86 with jetBlue, 21 Nov, found 2 days ago. The cheapest one-way fare on each of 5 departure dates is usually $91 to $135.
What is the cheapest month to fly from Boston to Philadelphia?
November 2026 is the cheapest month for a one-way, from $86, 21 Nov, found 2 days ago.
How far ahead should I book a flight from Boston to Philadelphia?
In 49 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 7 to 13 days before departure.
Is there a direct flight from Boston to Philadelphia?
Yes, the cheapest nonstop one-way found recently is $86 with jetBlue, 21 Nov, found 2 days ago.
How long is the flight from Boston to Philadelphia?
The cheapest nonstop one-way found recently, with jetBlue on 21 Nov, takes 1 h 39 min from Logan International Airport (BOS) to Philadelphia International Airport (PHL).
Which airlines have the cheapest flights from Boston to Philadelphia?
Between 16 Nov and 9 Jan 2027, jetBlue has the cheapest one-way on 2 of the 5 departure dates we hold, American Airlines on 1 and Breeze Airways on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work