$70 Cheap Flights from Rockford (RFD) to Philadelphia (PHL)

View $70 flight on Wed, Dec 3, 2025Opens in a new window

Popular airlines from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)

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Cheap Flights from Rockford to Philadelphia (RFD-PHL)

Prices were available within the past 7 days and start at $70 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec 3 - Sat, Dec 6
RFD
Rockford
PHL
Philadelphia
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Rockford to Philadelphia, returning Sat, Dec 6, priced at $139 found 3 hours ago
American Airlines
Fri, Dec 5 - Sat, Dec 6
RFD
Rockford
PHL
Philadelphia
$158 Roundtrip, found 5 hours ago
$158
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Dec 5 from Rockford to Philadelphia, returning Sat, Dec 6, priced at $158 found 5 hours ago
American Airlines
Tue, Nov 18 - Wed, Nov 19
RFD
Rockford
PHL
Philadelphia
$159 Roundtrip, found 3 hours ago
$159
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Nov 18 from Rockford to Philadelphia, returning Wed, Nov 19, priced at $159 found 3 hours ago
American Airlines
Wed, Nov 12 - Sun, Nov 16
RFD
Rockford
PHL
Philadelphia
$168 Roundtrip, found 6 days ago
$168
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Nov 12 from Rockford to Philadelphia, returning Sun, Nov 16, priced at $168 found 6 days ago
American Airlines
Fri, Jan 30 - Sat, Jan 31
RFD
Rockford
PHL
Philadelphia
$169 Roundtrip, found 6 hours ago
$169
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Jan 30 from Rockford to Philadelphia, returning Sat, Jan 31, priced at $169 found 6 hours ago
American Airlines
Thu, Jan 15 - Sun, Jan 18
RFD
Rockford
PHL
Philadelphia
$173 Roundtrip, found 17 hours ago
$173
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Thu, Jan 15 from Rockford to Philadelphia, returning Sun, Jan 18, priced at $173 found 17 hours ago
American Airlines
Thu, Dec 11 - Sun, Dec 14
RFD
Rockford
PHL
Philadelphia
$176 Roundtrip, just found
$176
Roundtrip
just found
Select American Airlines flight, departing Thu, Dec 11 from Rockford to Philadelphia, returning Sun, Dec 14, priced at $176 just found
American Airlines
Thu, Nov 13 - Tue, Nov 18
RFD
Rockford
PHL
Philadelphia
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Nov 13 from Rockford to Philadelphia, returning Tue, Nov 18, priced at $177 found 5 days ago
American Airlines
Wed, Nov 5 - Wed, Nov 12
RFD
Rockford
PHL
Philadelphia
$183 Roundtrip, found 17 hours ago
$183
Roundtrip
found 17 hours ago
Select American Airlines flight, departing Wed, Nov 5 from Rockford to Philadelphia, returning Wed, Nov 12, priced at $183 found 17 hours ago
American Airlines
Fri, Dec 5 - Mon, Dec 8
RFD
Rockford
PHL
Philadelphia
$186 Roundtrip, found 6 days ago
$186
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 5 from Rockford to Philadelphia, returning Mon, Dec 8, priced at $186 found 6 days ago

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $207
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $207

Frequently asked questions

How much does a flight from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL) cost?
Get a cheap one-way flight from $70 or cheap return flight from $139 from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)?
The cheapest month to fly from RFD to PHL is December, when there's less demand. Off-peak season is generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)?
To find the cheapest airline flying from RFD to PHL, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)?
There are no daily nonstop flights from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from RFD to PHL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)?
To arrive at Philadelphia Intl. Airport (PHL) on time, choose a flight that leaves Rockford, IL (RFD-Greater Rockford) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL) last-minute?
Last-minute fares from RFD to PHL are generally more expensive. For the best rates, start looking for flights ahead of time. That being said, if your travel plans are flexible, you may land a cheap ticket right before you leave.
Is it cheaper to book a RFD to PHL flight and hotel package?
You'll typically save money by securing a RFD to PHL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Rockford, IL (RFD-Greater Rockford) to Philadelphia Intl. Airport (PHL)?
It's generally possible to cancel or reschedule your RFD to PHL flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Greater Rockford
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines
Roundtrip price
$138
Distance
738 mi

Book with confidence

Rockford to Philadelphia Flights

The cheapest times to fly from Rockford to Philadelphia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rockford to Philadelphia are during the month of December. You can find some of the cheapest flights from Rockford to Philadelphia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rockford to Philadelphia

Sunday is one of the best days to book for cheap flights from Rockford to Philadelphia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rockford to Philadelphia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rockford to Philadelphia in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rockford to Philadelphia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rockford to Philadelphia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rockford to Philadelphia Flights

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*Available to One Key members.