Philadelphia to Boston PHL, TTN → BOS
Philadelphia International Airport (PHL), Trenton-Mercer Airport (TTN) → Logan International Airport (BOS)
The cheapest return found recently is $285 with Frontier Airlines, 21 Nov – 24 Nov, found yesterday. The cheapest one-way found recently is $165 with American Airlines, 26 Oct, found 3 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually $293 to $544.
Cheapest return found recently
$285
21 Nov – 24 Nov · Frontier Airlines
Philadelphia International Airport (PHL) → Logan International Airport (BOS)
Leaves 4:50 p.m. · Return leaves 6:40 a.m. · 17 h 20 min of travel, both ways together
out 1 stop, back nonstop
found yesterday
Cheapest nonstop return
$301
25 Nov – 30 Nov · jetBlue
Philadelphia International Airport (PHL) → Logan International Airport (BOS)
Leaves 1:25 p.m. · Return leaves 10:20 a.m. · 2 h 51 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$285 21 Nov – 24 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 18 days, 1 Oct to 18 Oct, the cheapest return we saw each day was $223 to $306.
18 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 21 Nov to 26 Nov, 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 3-night return fares leaving within 3 days of 21 Nov to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Nov – 24 Nov | $285 | Frontier Airlines | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | out 1 stop, back nonstop | found yesterday | See prices for these dates |
| 25 Nov – 30 Nov | $301 | jetBlue | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 26 Nov – 29 Nov | $787 | Frontier Airlines | Trenton-Mercer Airport (TTN) → Logan International Airport (BOS) | out 3 stops, back 1 stop | found 4 days ago | See prices for these dates |
Airlines on the cheapest dates: Frontier Airlines, jetBlue.
One-way
The cheapest one-way fare on each of 5 departure dates is usually $95 to $152.
Cheapest one-way found recently
$165
26 Oct · American Airlines
Philadelphia International Airport (PHL) → Logan International Airport (BOS)
Leaves 7:05 a.m. · 1 h 35 min trip
stops unknown
found 3 days ago
Cheapest nonstop one-way
$95
24 Oct · American Airlines
Philadelphia International Airport (PHL) → Logan International Airport (BOS)
Leaves 8:15 p.m. · 1 h 34 min trip
nonstop
found 5 days ago
Found recently, and the cheapest we hold
$165 26 Octfound 3 days agoOpen this trip
$95 23 Octfound 6 days agoOpen this trip
What have prices looked like?
Over 24 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $95 to $460.
24 days is a short history, so treat this range as an early guide.
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 23 Oct to 1 Dec, 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?
Yes. Among one-way fares leaving within 3 days of 26 Oct, 24 Oct costs $95: $70 less than the cheapest found recently.
American Airlines · Philadelphia International Airport (PHL) → Logan International Airport (BOS) · nonstop · found 5 days ago
Every date we hold
7 fares on 5 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct | $95 | jetBlue | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | nonstop | found 6 days ago | Open this trip |
| 24 Oct | $95 | American Airlines | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | nonstop | found 5 days ago | Open this trip |
| 26 Oct | $165 | American Airlines | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | stops unknown | found 3 days ago | Open this trip |
| 29 Oct | $152 | jetBlue | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | nonstop | found 5 days ago | Open this trip |
| 1 Dec | $121 | Frontier Airlines | Philadelphia International Airport (PHL) → Logan International Airport (BOS) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $95.
Airlines on the cheapest dates: jetBlue, American Airlines, Frontier Airlines.
Premium cabin fares from Philadelphia to Boston
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 – 24 Nov in another cabin: Premium economy · Business · First
Today's prices for 26 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Philadelphia to Boston?
Return
Not enough history yet: in 18 days of return prices, 1 Oct to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
One-way
The cheapest fares were 7 to 13 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (24 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 | $95 | +4% | 9 |
| 7–13 days | $98 | $95 | Cheapest seen | 11 |
| 14–29 days | $139 | $129 | +42% | 12 |
| 30–59 days | $121 | $121 | +24% | 7 |
| 90–179 days | $460 | $460 | +369% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Baltimore → Boston
145 km from Philadelphia
$335
$50 more than flying from Philadelphia
30 Dec – 2 Jan 2027 · BWI → BOS · out nonstop, back nonstop
found yesterday
New York → Boston
130 km from Philadelphia
$268
$17 less than flying from Philadelphia
25 Nov – 28 Nov · LGA → BOS · out nonstop, back nonstop
found 2 days ago
Harrisburg → Boston
147 km from Philadelphia
$454
$169 more than flying from Philadelphia
24 Nov – 29 Nov · MDT → BOS · out nonstop, back nonstop
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
New York → Boston
130 km from Philadelphia
$68
$97 less than flying from Philadelphia
21 Oct · JFK → BOS · nonstop
found today
Baltimore → Boston
145 km from Philadelphia
$172
$7 more than flying from Philadelphia
1 Nov · BWI → BOS · 1 stop
found 2 days ago
Lancaster → Boston
98 km from Philadelphia
$396
$231 more than flying from Philadelphia
24 Oct · LNS → BOS · 1 stop
found 5 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 return found recently is for 21 Nov – 24 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
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