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Find cheap Frontier flights to Philadelphia

RDU — PHL
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Frontier flight deals to Philadelphia

Cheapest Frontier flights from USA to Philadelphia
Explore the most affordable Frontier flight options available from USA to Philadelphia. Find the lowest fares with prices last updated on July 27, 2026.

This Super.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:42 pm
ATL
-
PHL
Nonstop2h 16m
Frontier
Mon 8/104:40 pm
PHL
-
ATL
Nonstop2h 32m
Frontier
Deal found 7/23$90
This Kiwi.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:17 pm
ATL
-
PHL
Nonstop2h 16m
Frontier
Sat 8/298:35 am
PHL
-
ATL
1 stop7h 41m
Frontier
Deal found 7/23$92
This FlightHub deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:31 am
ATL
-
PHL
Nonstop2h 08m
Frontier
Mon 8/104:40 pm
PHL
-
ATL
Nonstop2h 32m
Frontier
Deal found 7/23$93

Flights to Philadelphia with Frontier at a glance

Find detailed information about Frontier flights from USA to Philadelphia. Explore the options provided by Frontier to plan your journey from USA to Philadelphia. Data last updated July 27, 2026.

Popular in

June

Cheapest in

January

Average price

$183

Round-trip from

$85

One-way from

$50

Good round-trip deal

$209 or less
Highest demand for flights to Philadelphia with Frontier; 22% potential price increase.
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Best time to find cheap flights to Philadelphia with Frontier; 4% potential price drop.
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Average price for flights to Philadelphia with Frontier (round-trip).
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Frontier
  • Frontier
  • 9/4-9/6
  • Nonstop
  • 4h 44m total
  • USA to Philadelphia
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Frontier
  • Frontier
  • 8/9
  • Nonstop
  • 2h 10m total
  • USA to Philadelphia
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Price to beat on a round-trip flight from the United States to Philadelphia with Frontier.
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Cheapflights Insights

Find cheap Frontier flights to Philadelphia

How long is the flight to Philadelphia with Frontier?

On average, Frontier flights from the United States to Philadelphia take 2 hours 43 minutes. Flights to Philadelphia from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Frontier weekly flight availability to Philadelphia

The most flights to Philadelphia operated by Frontier are scheduled on a Monday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 on average).

When is the best time to book a flight to Philadelphia with Frontier?

The best time to book a flight to Philadelphia with Frontier is 61 days before departure. On average, fares are higher if you book on the same day as departure.

When is the cheapest time to fly to Philadelphia with Frontier?

Users looking for the cheapest Frontier fares to Philadelphia should consider flying on Wednesday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

FAQs about flights to Philadelphia with Frontier

  • Which airport do Frontier flights arrive at when travelling to Philadelphia?

    Frontier flights on this route tend to land at Philadelphia Airport.

  • Is Frontier the cheapest airline for a flight to Philadelphia?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Philadelphia tends to be with Avelo Airlines.

  • Are there alternative airlines other than Frontier that fly to Philadelphia?

    American Airlines, Delta and United Airlines all fly to Philadelphia and offer an alternative to Frontier.

  • How much is a flight to Philadelphia with Frontier?

    The average price for a return flight with Frontier is $219; with a one-way flight around $150.

See more FAQs

Reviews of Frontier

See what Cheapflights users have to say about their Frontier experience.
Frontier
5.6
Fair
2,754 reviews
Overview

Entertainment

4.3

Crew

6.6

Comfort

5.4

Boarding

5.9

Food

4.5

Popular Frontier flights

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