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Sun, Jun 28 - Tue, Jun 30
ATL
Hartsfield-Jackson Atlanta Intl.
PHL
Philadelphia Intl.
$226 Roundtrip, found 1 hour ago
$226
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Jun 28 from Hartsfield-Jackson Atlanta Intl. to Philadelphia Intl., returning Tue, Jun 30, priced at $226 found 1 hour ago
Sat, Jun 27 - Sun, Jun 28
ATL
Hartsfield-Jackson Atlanta Intl.
TTN
Mercer
$272 Roundtrip, found 1 hour ago
$272
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, Jun 27 from Hartsfield-Jackson Atlanta Intl. to Mercer, returning Sun, Jun 28, priced at $272 found 1 hour ago
Sat, Jun 27 - Sun, Jul 5
ATL
Hartsfield-Jackson Atlanta Intl.
ABE
Lehigh Valley Intl.
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jun 27 from Hartsfield-Jackson Atlanta Intl. to Lehigh Valley Intl., returning Sun, Jul 5, priced at $591 found 1 day ago
Wed, Aug 19 - Wed, Aug 26
ATL
Atlanta
PHL
Philadelphia
$80 Roundtrip, found 7 hours ago
$80
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Atlanta to Philadelphia, returning Wed, Aug 26, priced at $80 found 7 hours ago
Wed, Aug 19 - Wed, Aug 26
ATL
Atlanta
PHL
Philadelphia
$82 Roundtrip, found 7 hours ago
$82
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Wed, Aug 19 from Atlanta to Philadelphia, returning Wed, Aug 26, priced at $82 found 7 hours ago
Thu, Oct 22 - Sun, Oct 25
ATL
Atlanta
PHL
Philadelphia
$129 Roundtrip, found 1 day ago
$129
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Oct 22 from Atlanta to Philadelphia, returning Sun, Oct 25, priced at $129 found 1 day ago
Wed, Aug 19 - Mon, Aug 24
ATL
Atlanta
TTN
Trenton
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 19 from Atlanta to Trenton, returning Mon, Aug 24, priced at $167 found 1 day ago
Thu, Oct 22 - Sun, Oct 25
ATL
Atlanta
PHL
Philadelphia
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select United flight, departing Thu, Oct 22 from Atlanta to Philadelphia, returning Sun, Oct 25, priced at $187 found 1 day ago
Price found within the past 48 hours. Click for updated prices.
The Logan Philadelphia, Curio Collection by Hilton
4.5-star property

The Logan Philadelphia, Curio Collection by Hilton

8.8/10 Excellent! (1,547 reviews)

Aug 6 - Aug 9

3 night stay

Atlanta (ATL) to Philadelphia (PHL)

Delta • Coach

Philadelphia (PHL) to Atlanta (ATL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $645, price is now $424 per person
$424
per person
found 1 day ago
Rooftop bar was awesome! Hotel restaurant was amazing! Very cool hotel in a great location

Reviewed on Mar 28, 2026

YOWIE (Hotel & Shop)
2.0-star property

YOWIE (Hotel & Shop)

9.8/10 Exceptional! (71 reviews)

Aug 6 - Aug 10

4 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $887, price is now $554 per person
$554
per person
found 24 hours ago
Lovely place to stay - character, fun view of the neighborhood. Pretty noisy up until about 10 PM, but if you're looking for charm and character, this place has it in spades!

Reviewed on Apr 16, 2024

The Rittenhouse Philadelphia
5.0-star property

The Rittenhouse Philadelphia

9.6/10 Exceptional! (1,000 reviews)

Aug 6 - Aug 10

4 night stay

Atlanta (ATL) to Philadelphia (PHL)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,337, price is now $864 per person
$864
per person
found 24 hours ago
Wonderful stay! Very quiet and staff is exceptional.

Reviewed on Sep 3, 2025

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Frequently asked questions

Are there non-stop flights from Atlanta to Allentown?
There certainly are. And not only that — you have 5 airlines that jet straight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to PHL to select from. See which one of these sought-after carriers has the best deals:

  • Delta
  • American Airlines
  • Frontier Airlines
  • Southwest Airlines
  • Spirit Airlines

What is the shortest flight from Atlanta to Allentown?
Leave that epic movie for another time, because the flight from Atlanta to Allentown can be as quick as 1 hour and 47 minutes.
What airlines fly from Atlanta to Allentown most frequently?
These are the carriers that frequently fly from Hartsfield–Jackson Atlanta International Airport to Philadelphia, PA (PHL-Philadelphia Intl.). Reserve a seat with one of the following and find out why they are in demand: Delta - (DL) with 230 flights every month American Airlines - (AA) with 139 flights every month Frontier Airlines - (F9) with 60 flights every month Southwest Airlines - (WN) with 47 flights every month
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.